CN103986369B - Utilize bituminous paving to be out of shape the electric power installation of roadway generating electricity - Google Patents
Utilize bituminous paving to be out of shape the electric power installation of roadway generating electricity Download PDFInfo
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- CN103986369B CN103986369B CN201410209703.5A CN201410209703A CN103986369B CN 103986369 B CN103986369 B CN 103986369B CN 201410209703 A CN201410209703 A CN 201410209703A CN 103986369 B CN103986369 B CN 103986369B
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Abstract
The invention provides a kind of bituminous paving that utilizes and be out of shape the electric power installation of roadway generating electricity, comprise multiple piezoelectric structure unit that are embedded in road deck, piezoelectric structure unit comprises insulation crust, piezoelectric patches, insulation plectrum, metal drive link, sleeve pipe and spring, piezoelectric patches is connected on the inwall of insulation crust, insulation plectrum is sheathed and be fixedly connected on metal drive link, insulation plectrum is arranged on piezoelectric patches top, the top of metal drive link is stretched out insulation crust and is had the head of accepting of evagination, the bottom of metal drive link is connected in the bottom of described insulation crust by spring, piezoelectric structure unit is by wire connecting power control cabinet, power controling box connects consumer. the present invention is laid on piezoelectric structure unit in road deck, is electric energy by the traffic load stress conversion that causes surface deformation, on road and near consumer is powered or by power storage.
Description
Technical field
The present invention relates to electric power installation of roadway.
Background technology
Highway in China mileage number is numerous, has reached 423.75 ten thousand kilometers to 2012 end of the year whole nations total mileage of highway numbers, will reach 5,800,000 kilometers to the year two thousand thirty, and they need to bear millions of action of traffic loading every year. The mechanical energy part that these loads produce spills in air with the form of heat energy, and another part finally causes road surface infringement. Although the energy dissipation that single action of traffic loading produces and rut infringement are in general very little, consider domestic huge highway mileage number and the magnitude of traffic flow, consequence is just very serious so. Vehicular load not only strengthens pavement damage degree frequently, reduce service life, and produce heat energy be dissipated in completely in urban air, deepen urban heat land effect. And some material exactly can be caught the energy of this loss, be converted into reproducible green energy resource, such as piezoelectric. The mechanical energy that it can produce traffic loading according to self-characteristic is converted into electric energy, and carries out Collection and use, and for road instruction, illumination etc. provide green energy resource, accomplishing turns waste into wealth. Both alleviated pavement track infringement, extended road life, and obtained again spontaneous electric energy and supply with, reduced energy waste, had huge economic benefit, power-assisted was provided for building a resource-conserving society. The research of piezoelectric and application have been tending towards ripe through long technological accumulation, piezoelectric energy collection and application because the restriction of its working environment less, the advantage such as high, the environmental protection of efficiency has been subject to paying close attention to widely. Also urgently promote about the research and development in road engineering and application, therefore, research bituminous paving piezo-electric generating system has huge economy and environmental protection prospect, once research and development can apply in current bituminous coat project on a large scale, must obtain huge results.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of bituminous paving that utilizes and is out of shape the electric power installation of roadway generating electricity, and can utilize the road periphery consumer that is deformed into of pavement of road that electric energy is provided.
The technical scheme that technical solution problem of the present invention adopts is: utilize bituminous paving to be out of shape the electric power installation of roadway generating electricity, described device comprises multiple piezoelectric structure unit that are embedded in road deck, described piezoelectric structure unit comprises insulation crust, piezoelectric patches, insulation plectrum, metal drive link, sleeve pipe and spring, the edge of described piezoelectric patches is connected on the inwall of described shell, described insulation plectrum is sheathed and be fixedly connected on described metal drive link, described insulation plectrum is arranged on the top of described piezoelectric patches, the top of described metal drive link is stretched out described insulation crust and is had the head of accepting of evagination, the bottom of described metal drive link is connected in the bottom of described insulation crust by spring, described piezoelectric structure unit is by wire connecting power control cabinet, and described power controling box connects consumer.
In adopting technique scheme, the present invention is further technical scheme below can also adopting or combine and adopting:
The portion of external that described metal drive link stretches out described insulation crust is provided with sleeve pipe, and described metal drive link can up and down or rotation in described sleeve pipe.
Described piezoelectric patches is at least one or more, and in the time that described piezoelectric patches is more than one, described insulation plectrum is arranged on the top of described piezoelectric patches correspondingly.
Described insulation crust is cylindrical, described piezoelectric patches be annular and perpendicular to described insulation crust axially, the outer rim of described piezoelectric patches is connected on the inwall of described insulation crust.
Described insulation crust adopts oil resistant high temperature-resistant polymer material to make.
In the time burying described piezoelectric structure unit underground, described insulation crust upper surface is apart from road surface 4～20cm, described metal drive link accept head apart from road surface 2～4cm.
Described piezoelectric structure cell distribution is within the scope of the track band in each track, and the spacing between described piezoelectric structure unit is 5～20cm.
Power controling box comprises piezoelectric property checkout gear, voltage regulation fairing attachment, electrical energy storage device and transformation output device, and described transformation output device connects described consumer.
Power controling box linking-up road watch-dog and traffic throughput monitor system.
The invention has the beneficial effects as follows: the present invention utilizes the forward piezo-electric effect of piezoelectric, piezoelectric structure unit is laid in road deck, be electric energy by the traffic load stress conversion that causes surface deformation, through power controling box processing, to on road and near consumer is powered or by power storage, the electric energy that TRT of the present invention produces can be road traffic electricity consumption facility completely, for example street lamp, indicator lamp, direction board, billboards etc. provide enough electric energy, also possesses electrical energy storage device, can store in time when producing when electric energy is had more than needed, the standby possible period of want or need, TRT of the present invention is environment friendly and pollution-free, do not take any other Land Environment resource, and power supply can reduce power delivery cost and loss nearby. in addition, the traffic load that TRT of the present invention gathers changes can be sent to traffic throughput monitor system, analyzes by computer statistics, obtains the concrete condition of road traffic, for highway traffic control provides Data support. the present invention is applicable to all kinds of roads, the road that especially personnel are intensive, the magnitude of traffic flow is larger.
Brief description of the drawings
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is the profile of piezoelectric structure of the present invention unit and road deck.
Fig. 3 is top view of the present invention.
Fig. 4 is the internal structure schematic diagram of piezoelectric structure of the present invention unit.
Number in the figure: 1-road deck, 2-sleeve pipe, 3-metal drive link, 4-insulation crust, the 5-plectrum that insulate, 6-piezoelectric patches, 7-spring, the adjacent surface layer of 8-, 9-piezoelectric structure unit, 10-track band, 11-wire, 12-piezoelectric property checkout gear, 13-voltage regulation fairing attachment, 14-transformation output device, 15-electrical energy storage device, 16-consumer, 17-road monitoring equipment, 18-traffic throughput monitor system, 19-power controling box, 20-accepts head.
Detailed description of the invention
With reference to accompanying drawing.
Electric power installation of roadway of the present invention comprises multiple piezoelectric structure unit 9 that are embedded in road deck 1, and piezoelectric structure unit 9 comprises sleeve pipe 2, metal drive link 3, insulation crust 4, insulation plectrum 5, piezoelectric patches 6 and spring 7.
Insulation crust 4 is cylindrical, make the monnolithic case of piezoelectric structure unit 9 cylindrical haply, its shape is satisfied the need less by performance impact, and piezoelectric patches 6 is annular, and its internal diameter is about 1cm, external diameter is about 8cm, thickness is about 0.5cm, and the simple structure of ring piezoelectric sheet 6 does not increase extra Force transmission parts, can not affect its service life because miscellaneous part damages, the outer rim of piezoelectric patches 6 is fixedly connected on the inwall of insulation crust 4 by the form of welding or draw-in groove.
Insulation plectrum 5 is sheathed and be fixed on metal drive link 3, metal drive link 3 is arranged on the centre of insulation crust 4 and identical with the central axis direction of insulation crust 4, metal drive link 3 is simultaneously also through the hollow parts in the middle of piezoelectric patches 6, and insulation plectrum 5 is arranged on piezoelectric patches 6 tops and presses close on the position of piezoelectric patches 6.
Piezoelectric patches 6 is at least one, in the time of unnecessary one of piezoelectric patches 6, piezoelectric patches 6 is uniform along the short transverse of insulation crust, and insulation plectrum 5 corresponding the is arranged on the position pressed close to it piezoelectric patches 6 tops one by one, the quantity of piezoelectric patches 6 is more, the piezoelectric response effect that traffic load causes is better, the electric weight producing is larger, but the quantity of piezoelectric patches 6 is too much unsuitable, otherwise can cause the volume of piezoelectric structure unit 9 excessive, affect the normal configuration of road deck, and too much piezoelectric patches 6 can affect the transmission sensitivity of metal drive link 3, the quantity of piezoelectric patches 6 is generally 2～4.
The upper surface of insulation crust 4 is stretched out on the top of metal drive link 3, and what the top of metal drive link 3 had an evagination accepts 20, accept the diameter that a diameter of 20 is greater than metal drive link 3, accepting a top of 20 has and can form and receive the plane that be caused deformation by road traffic load at the top of metal drive link 3, can more effectively receive the displacement that road crust asphalt strain produces, the bottom of metal drive link 3 is fixedly connected on the bottom of insulation crust 4 by spring 7.
The portion of external that metal drive link 3 stretches out insulation crust 4 upper surfaces is provided with sleeve pipe 2, metal drive link 3 can move up and down or rotate in sleeve pipe 2, sleeve pipe 2 is for metal drive link 3 provides a displacement range, makes metal drive link 3 free-extension delicately in the time receiving surface deformation.
Insulation crust 4 adopts oil resistant high temperature-resistant polymer material to make, and can bear pressure and longitudinal shear power to a certain degree, can protect the internal structure of piezoelectric structure unit 9 not to be damaged.
The operation principle of piezoelectric structure of the present invention unit 3 is, road crust asphalt is being subject to can producing distortion under traffic load pressure, 20 reception of accepting for metal drive link 3 move down from the distortion on road surface, drive moving down of insulation plectrum 5, insulation plectrum 5 contacts piezoelectric patches 6 thereupon and piezoelectric patches 6 is bent downwardly, after traffic load pressure is removed, the restoring force of spring 7 resets metal drive link 3 and insulation plectrum 5, also homing thereupon of piezoelectric patches 6, like this, piezoelectric patches 6 constantly distortion in traffic circulation process-recover generation current.
Electric power installation of roadway of the present invention comprises multiple piezoelectric structures unit 9, and multiple piezoelectric structures unit 9 is embedded in road deck 1, and wherein the upper surface of insulation crust 4 is apart from road surface 4～20cm, accepts 20 apart from road surface 2～4cm. Because piezoelectric structure unit 9 is with regard to each individuality small volume, generated energy is limited, therefore needs multiple piezoelectric structures unit 9 to form whole TRT, can realize the power supply to road periphery consumer. Electric power installation of roadway of the present invention utilizes traffic load to make pavement structure produce stress field, thereby force the piezoelectric patches 6 in piezoelectric structure unit 9 to produce deformation, utilize the power electricity of piezoelectric to change the mechanism and realize generating, theory analysis shows that piezoelectric structure unit 9 buries underground darker, susceptibility to road surface traffic load is poorer, and generating efficiency is lower; Bury underground more shallowly, generating efficiency is higher, too shallowly can affect pavement performance, the service life on shortening road surface but bury underground; Can obtain maximum generation efficiency and not affect pavement performance although piezoelectric structure unit 9 is directly pasted on to Lu Biao, can affect comfort level, finally force vehicle to avoid this region, not reach on the contrary the object of generating. In order to obtain high as far as possible generating efficiency, multiple piezoelectric structures unit 9 is embedded in that in asphalt roads surface layer 1, (road deck is according to " bituminous pavement design for highway specification (JTGD50-2006) " equably, can be bilayer or three layers), consider not change the construction technology of pavement structure simultaneously, piezoelectric structure unit 9 be embedded in to road deck 1 and adjacent surface layer 8(basic unit) between.
Piezoelectric structure unit 9 is distributed in track band 10 scopes interior (as shown in Figure 3) in each track, and the spacing between adjacent piezoelectric structure unit 9 is 5～20cm. The track band scope in track is mainly a width of roadway scope of determining according to curb-to-curb width and between-wheel spacing, conventionally can be within the scope of track band when normal vehicle operation. In theory, piezoelectric structure unit 9 is better along the closeer generating effect of direction of traffic laying, but has sharp interface between piezoelectric structure unit 9 and ground surface material, a little less than shear resistance, if laying density is excessive, easily cause road deck 1 and piezoelectric structure unit 3 that sliding rupture occurs; Reduce the possibility that laying density can reduce sliding rupture, laying density is too little, although can ensure as far as possible pavement performance, the generating efficiency in unit are can reduce undoubtedly, does not reach required effect. General distribute spacing reach piezoelectric structure cell surface size more than one times time can effectively suppress the generation of failure by shear.
Piezoelectric structure unit 9 connects power controling box 19 by wire 11, specifically, the piezoelectric patches 6 of being responsible for generation current in piezoelectric structure unit 9 is drawn by wire 11, be connected to power controling box 19, the electric current of its generation is pooled to power controling box 5 by wire 11, power controling box 5 is connected to its power supply with consumer 16, thereby reach the effect of utilizing surface deformation generating, consumer can be arranged on the street lamp on road, signal lamp, road surface direction board, advertising lamp box, traffic throughput monitor system etc., be convenient to use nearby, green energy resource is provided, protection of the environment, save economical.
Power controling box 19 comprises piezoelectric property checkout gear 12, voltage regulation fairing attachment 13, transformation output device 14, electrical energy storage device 15, voltage regulation fairing attachment 13 can adopt common voltage stabilizing rectification circuit, the electric energy that piezoelectric structure unit 9 is produced carries out voltage stabilizing rectification, transformation output device 14 is connected with consumer 16, be converted to for the electric energy that piezoelectric structure unit 9 is produced the Voltage-output that is applicable to consumer 16, transformation output device 8 can adopt common transformer, mates with the rated voltage of consumer 16; Piezoelectric property checkout gear 12 can adopt common energising checkout equipment, mainly for detection of the generating situation of piezoelectric structure unit 9, for example, whether has electric current output and current flow size, thereby confirms whether electric power installation of roadway normally works; Electrical energy storage device 15 can adopt the electric energy storage device with certain capacity, and road traffic is busy by day, and surface deformation is continuous, but does not often need a large amount of electricity consumptions daytime, now just unnecessary power storage need to be got up, and when preparation electric weight is not enough, uses.
In addition, power controling box 19 can also be connected with road monitoring equipment 17 and traffic throughput monitor system 18, power to road monitoring equipment 17, the information data of surface deformation is provided to traffic throughput monitor system 18, for example surface deformation frequency, deformation extent, for control of traffic and road provides strong Data support.
Claims (5)
1. utilize bituminous paving to be out of shape the electric power installation of roadway generating electricity, it is characterized in that: described device comprises multiple piezoelectric structure unit that are embedded in road deck, described piezoelectric structure unit comprises insulation crust, piezoelectric patches, insulation plectrum, metal drive link and spring, the edge of described piezoelectric patches is clamped on the inwall of described shell, described insulation plectrum is sheathed and be fixedly connected on described metal drive link, described insulation plectrum is arranged on the top of described piezoelectric patches, the top of described metal drive link is stretched out described insulation crust and is had the head of accepting of evagination, the bottom of described metal drive link is connected in the bottom of described insulation crust by spring, described piezoelectric structure unit is by wire connecting power control cabinet, and described power controling box connects consumer,
The portion of external that described metal drive link stretches out described insulation crust is provided with sleeve pipe, described metal drive link can be in described sleeve pipe up and down or rotation;
Described piezoelectric patches is at least one or more, and in the time that described piezoelectric patches is more than one, described piezoelectric patches is uniform along the height of described insulation crust, and described insulation plectrum is arranged on the top of described piezoelectric patches correspondingly;
Described insulation crust is cylindrical, described piezoelectric patches be annular and perpendicular to described insulation crust axially, the outer rim of described piezoelectric patches is connected on the inwall of described insulation crust;
Power controling box comprises piezoelectric property checkout gear, voltage regulation fairing attachment, electrical energy storage device and transformation output device, and described transformation output device connects described consumer.
2. the bituminous paving that utilizes as claimed in claim 1 is out of shape the electric power installation of roadway generating electricity, and it is characterized in that: described insulation crust adopts oil resistant high temperature-resistant polymer material to make.
3. the bituminous paving that utilizes as claimed in claim 1 is out of shape the electric power installation of roadway generating electricity, it is characterized in that: in the time burying described piezoelectric structure unit underground, described insulation crust upper surface is apart from road surface 4～20cm, described metal drive link accept head apart from road surface 2～4cm.
4. the bituminous paving that utilizes as claimed in claim 3 is out of shape the electric power installation of roadway generating electricity, and it is characterized in that: described piezoelectric structure cell distribution is within the scope of the track band in each track, and the spacing between described piezoelectric structure unit is 5～20cm.
5. the bituminous paving that utilizes as claimed in claim 1 is out of shape the electric power installation of roadway generating electricity, and it is characterized in that: described power controling box linking-up road watch-dog and traffic throughput monitor system.
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| CN201410209703.5A CN103986369B (en) | 2014-05-16 | 2014-05-16 | Utilize bituminous paving to be out of shape the electric power installation of roadway generating electricity |
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| CN103986369B true CN103986369B (en) | 2016-05-11 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294735A (en) * | 2014-10-21 | 2015-01-21 | 中山市拓维电子科技有限公司 | Inventive device with piezoelectric layer |
| CN104467535B (en) * | 2014-11-21 | 2017-04-19 | 中国科学院电工研究所 | Multi-layer oscillator piezoelectric power generation device for collecting idle kinetic energy of vehicle |
| CN105092116A (en) * | 2015-08-18 | 2015-11-25 | 吉林大学 | Road load distribution multipoint cascading piezoelectric detection network |
| CN105004455A (en) * | 2015-08-18 | 2015-10-28 | 吉林大学 | Piezoelectric self-induction cubic truss type road surface load spectrum detection device |
| CN107181425A (en) * | 2016-03-10 | 2017-09-19 | 中国市政工程西北设计研究院有限公司浙江分院 | Piezo technology is applied to the method that road engineering is allowed to produce the renewable sources of energy |
| CN107395062B (en) * | 2017-08-28 | 2019-02-26 | 北京工业大学 | A kind of road surface energy collecting device based on piezoelectricity clockwork spring |
| CN109142421B (en) * | 2018-06-28 | 2020-11-10 | 湖北交投智能检测股份有限公司 | Test system for high-temperature deformation resistance of pavement |
| CN109067244B (en) * | 2018-08-28 | 2023-12-15 | 华南理工大学 | Offshore power supply system and power supply method |
| CN112575646A (en) * | 2020-12-10 | 2021-03-30 | 清华大学 | Pavement piezoelectric guide indication footpath |
| CN114094873B (en) * | 2021-11-18 | 2022-11-25 | 武汉市市政建设集团有限公司 | Device for realizing self-power supply of bridge structure monitoring equipment |
| CN114411622A (en) * | 2022-02-16 | 2022-04-29 | 嵊州市浙江工业大学创新研究院 | Floating wave bank based on piezoelectric effect |
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