CN104883092A - Road-use cement-based material pressure power generation packaging structure - Google Patents
Road-use cement-based material pressure power generation packaging structure Download PDFInfo
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- CN104883092A CN104883092A CN201510347327.0A CN201510347327A CN104883092A CN 104883092 A CN104883092 A CN 104883092A CN 201510347327 A CN201510347327 A CN 201510347327A CN 104883092 A CN104883092 A CN 104883092A
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Abstract
A road-use cement-based material pressure power generation packaging structure comprises a cement-based cover plate, a cement-based middle plate, a cement-based base plate, a conductive electrode board I arranged between the lower surface of the cement-based cover plate and an upper surface of the cement-based middle plate, a conductive electrode board II arranged between the upper surface of the cement-based base plate and the lower surface of cement-based middle plate, and a plurality of pressure power generation elements installed in the cement-based middle plate. According to the invention, the pressure power generation elements deform under load and release charges, the road-use cement-based material pressure power generation packaging structure is applicable to a position large in traffic volume or pedestrian volume, such as a road surface, a pavement and a subway gate port. A cement concrete material is used to manufacturing the packaging parts, the manufacturing cost of a power generation device is effectively lowered, the coupling between the power generation device and the road surface is improved, the influence to the road surface structure is reduced, the service lifetime is prolonged, the economic performance of pressure power generation is improved, and the road-use cement-based material pressure power generation packaging structure is suitable for large-scale production.
Description
Technical field
The invention belongs to field of road construction, particularly a kind of road cement sill pressure electricity-generating encapsulating structure.
Background technology
Along with energy resource consumption aggravation, fossil energy is petered out, renewable, free of contamination new forms of energy will as the main energy sources in future, highway transportation is as main traffic mode, road surface is born axle for vehicle and is carried repeated action, contain huge vibrational energy, device for collecting piezoelectric vibration energy can collect road vibration energy, and is translated into power storage utilization.
Relate at present utilize piezoelectric as the invention of road vibration energy collection technology and practical application little; be specifically related to the less of encapsulation technology; and the complex structure that more existing encapsulating structure exists; manufacture difficulty is large; make and maintenance cost high; be not suitable for large-scale production, the large problem of practical engineering application difficulty.
Chinese patent CN102324871 " a kind of piezoelectric type energy harvesting unit and application thereof " describes one and utilizes simple beam structure as piezoelectric energy collecting device, but this encapsulating structure is complicated, bearing capacity is little, and deformational displacement amount is large, is not suitable for being embedded in the concrete road surface of large modulus.
Chinese patent CN102570620 " walking energy collecting system " discloses a kind of walking energy collecting system; this device package inside adopts multistage wedge combinations; Dovetail interface needs machined grooves to install ball; contact-making surface is coated with lubricating oil; inner mounting spring assembly, structure is numerous and diverse, and reliability is not high; internal structure must regularly be safeguarded by apply oil, and large-scale production cost is high.
The metal material of the multiplex high strength of conventional pressure generation mode, high tenacity or engineering plastics make outer enclosure structure, but these materials exist poor with pavement concrete material compatibility, price is high, cost of manufacture is high, corrosion resistance and many drawbacks such as ageing resistace is poor.For above-mentioned Problems existing; the present invention adopt relative inexpensiveness, easily build shaping cement-based material as load transfer and packed part; can greatly reduce cost of manufacture and difficulty; be easy to large-scale production; convenient later maintenance; and cement based encapsulation material is consistent with ground surface material, improve the coupling of road surface and encapsulating structure, road pavement structure influence is little.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of road cement sill pressure electricity-generating encapsulating structure, the problem such as effectively can solve road surface pressure electricity-generating encapsulating structure poor compatibility, difficulty of processing is large, maintenance cost is high, and low cost and the large-scale production of road surface piezoelectric energy collecting device can be realized; Have make simple, with low cost, be applicable to the feature that is embedded in road surface.
To achieve these goals, the technical solution used in the present invention is:
A kind of road cement sill pressure electricity-generating encapsulating structure, comprising:
Cement based cover plate 1;
Plate 2 in cement based;
Cement based base plate 3;
Be arranged at the conductive electrode plate 1 between plate 2 upper surface in cement based cover plate 1 lower surface and cement based;
Be arranged at the conductive electrode plate 2 42 between plate 2 lower surface in cement based base plate 3 upper surface and cement based; And
Be installed on the some pressure electricity-generating elements 5 in cement based in plate 2, pressure electricity-generating element 5 is clamped by conductive electrode plate 1 and conductive electrode plate 2 42.
Piezoelectricity installing hole 11 and wire connection hole 12 is reserved in plate 2 in described cement based, pressure electricity-generating element 5 is embedded in piezoelectricity installing hole 11, the wire 7 connecting conductive electrode plate 1 and conductive electrode plate 2 42 leads to external circuits by wire connection hole 12, in described cement based, plate 2 is embedded in the cavity between cement based cover plate 1 and cement based base plate 3, the outer rim of cement based cover plate 1 and cement based base plate 3 is all reserved with bolt mounting holes 9, bolt mounting holes 9 end leaves bolt and nut installs counter sink 10, and cement based cover plate 1 is connected by bolt 6 with cement based base plate 3.
Described conductive electrode plate 1 and conductive electrode plate 2 42 are copper plate or cond aluminium plate, described conductive electrode plate 1 is fixed on the lower surface of cement based cover plate 1 by epoxide-resin glue, described conductive electrode plate 2 42 is fixed on the upper surface of cement based base plate 3 by epoxide-resin glue.
Described pressure electricity-generating element 5 is stacking-type PZT (piezoelectric transducer) or cymbals formula PZT (piezoelectric transducer), and the ceramic electrical pole-face of stacking-type PZT (piezoelectric transducer) all scribbles silver electrode, and electrode surface posts Copper Foil, is connected between Copper Foil by wire, and pressure forms multi-disc piezoelectric ceramic piece storehouse; Cymbals formula PZT (piezoelectric transducer) adopts circular piezoelectric potsherd Double-face adhesive Copper Foil end cap to be made, and wire is drawn by piezoelectric ceramic piece both sides end cap; The connecting circuit of stacking-type PZT (piezoelectric transducer) and cymbals formula PZT (piezoelectric transducer) is and is connected in parallel.
Described stacking-type PZT (piezoelectric transducer) or cymbals formula PZT (piezoelectric transducer) all adopt the piezoelectric ceramic piece of lead zirconate titanate material.
The external shape of described stacking-type PZT (piezoelectric transducer) or cymbals formula PZT (piezoelectric transducer) is cylinder, multi-disc stepped construction, and the side that multi-disc stepped construction forms cylinder is fixed by rubber sleeve, the bolt pretightening clamping of being transmitted by battery lead plate.
The cement-based material that in described cement based cover plate 1, cement based, plate 2 and cement based base plate 3 adopt is Self-leveling, shrinkage-free cement-based material, and its initial flow degree is greater than 260mm, and within 3 days, compression strength is greater than 40MPa.
In described cement based cover plate 1, cement based, plate 2 and cement based base plate 3 are all completed by concreting, and build mould and adopt steel splicing assembly jig, die for cover plate, middle board mold and base plate mould all adopt three part connecting methods to make; Die for cover plate comprises top circular bosses 13, semi-circular structure 14 is split at middle part and bottom double-layer circular boss structure 15, when mould is installed, middle part split semi-circular structure 14 splice be embedded in bottom double-layer circular boss structure 15 between lower floor's step and the step of top circular bosses 13, bolt mounting holes 9 and installation counter sink 10 are made by pre-buried polyethylene cannula 16, and polyethylene cannula 16 is enclosed within the bolt of fixed mould; Cement based base plate 3 size and cement based cover plate 1 measure-alike, share one set of die; Middle board mold adopts symmetrical round boss structure 1 and symmetrical round boss structure 2 19 and splits semicircle lateral plate structure 18 and splices, splitting semicircle lateral plate structure 18 is arranged between symmetrical round boss structure 1 and symmetrical round boss structure 2 19, piezoelectricity installing hole 11 is made by pre-buried polyethylene cylinder 20, and polyethylene cylinder 20 is fixed on mould set bolt.
Assembling structure does Anti-seeping technology, outer surface brushwork epoxy resin, and cement based cover plate 1 is connected gap place rubber washer 8 and seals with cement based base plate 3.
Encapsulating structure of the present invention is embedded in certain depth under the road surface at roadbed wheel track band place or road surface, such as 3-5cm place, the electric energy produced is drawn by reserved wire, and when burying underground, single or multiple pressure electricity-generating encapsulating structure forms a Circuits System, electrical parallel between each encapsulating structure.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention utilizes cheap cement concrete material to make package parts and preparation method thereof, effectively can reduce pavement of road Blast Furnace Top Gas Recovery Turbine Unit (TRT) cost, for the large-scale production of pressure generating set and practical engineering application provide condition.
(2) compatibility of cement based encapsulating material of the present invention and concrete road surface is good, and road pavement structure influence is little, long service life, and later maintenance cost is little.
(3) present invention achieves the recycling of road surface energy, providing a kind of realistic plan for reclaiming road surface regenerative resource.The energy produced can be used for, for road lighting and signal lamp are powered, decreasing the input of the attached power supply facilities in road surface, is especially useful in tunnel and power supply inconvenience place, remote districts.
Accompanying drawing explanation
Fig. 1 is pressure electricity-generating encapsulating structure internal view.
Fig. 2 is pressure electricity-generating encapsulating structure cement based external structure schematic diagram.
Fig. 3-1 and Fig. 3-2 is cement-based material pressure electricity-generating encapsulating structure cover plate positive and negative isometric views.
Fig. 4 is plate figure in cement-based material pressure electricity-generating encapsulating structure.
Fig. 5-1 and Fig. 5-2 is cement-based material pressure electricity-generating encapsulating structure die for cover plate figure.
Fig. 6-1 and Fig. 6-2 is board mold figure in cement-based material pressure electricity-generating encapsulating structure.
Fig. 7-1 is pressure electricity-generating unit external structure.
Fig. 7-2 stacking-type piezoelectric generating device inner PZT (piezoelectric transducer) structure cutaway view.
Fig. 7-3 cymbals formula piezoelectric generating device inner PZT (piezoelectric transducer) structure cutaway view.
Fig. 8-1 is the laying transverse sectional view of cement-based material pressure electricity-generating encapsulating structure.
Fig. 8-2 and Fig. 8-3 is that cement-based material pressure electricity-generating encapsulating structure lays schematic diagram.
Embodiment
Embodiments of the present invention are described in detail below in conjunction with drawings and Examples.
For making the object of the invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
1, the embodiment of the present invention provides one to utilize cement-based material to make pressure generator outer enclosure structure and preparation method thereof, and utilizes this encapsulating structure to make pressure electricity-generating device.The method adopts cheap concrete material to do raw material, and utilize and build forming method making pressure electricity-generating encapsulating structure, the method is with low cost, makes simple and convenient, can realize production cost degradation and the scale of road surface piezoelectric energy collection.
2, as depicted in figs. 1 and 2, the present embodiment encapsulating structure profile adopts circular configuration, mainly comprise cement based cover plate 1, plate 2 in cement based, cement based base plate 3, conductive electrode plate 1 and conductive electrode plate 2 42, pressure electricity-generating element 5 etc., cement based cover plate 1 and cement based base plate 3 is fixedly connected with by bolt 6, in cement based, plate 2 is arranged in the cavity between cement based cover plate 1 and cement based base plate 3, conductive electrode plate 1 is in cement based cover plate 1 lower surface and cement based between plate 2 upper surface, cement based cover plate 1 lower surface is attached to by epoxide-resin glue, conductive electrode plate 2 42 is in cement based base plate 3 upper surface and cement based between plate 2 lower surface, cement based base plate 3 upper surface is attached to by epoxide-resin glue, conductive electrode plate 1 and conductive electrode plate 2 42 can be the good copper plate of conduction or cond aluminium plate.Pressure electricity-generating element 5 is arranged in the piezoelectricity installing hole in cement based in plate 2, and clamped by conductive electrode plate 1 and conductive electrode plate 2 42, load is delivered on conductive electrode plate 1 by cement based cover plate 1, then be passed to pressure electricity-generating element 5, electric current is passed to external circuit 21 by conductive electrode plate 1, conductive electrode plate 2 42, extraction wire 7.
3, this real-time example chooses round pressure generating encapsulating structure, and manufacture method is as follows:
(1) encapsulating structure Mold Making
Consider that the repeatability of mould utilizes and builds the requirement of formed precision, selecting cast steel material to make mould, for convenience of dismounting, is spliced assembly jig by Mold Making, cement based cover plate 1 is identical with the size of cement based base plate 3, as Fig. 3-1, Fig. 3-2 be cement based cover plate 1 just, reverse side isometric view, same set of Mold Making can be adopted, mould adopts three part four chip architectures to make, as shown in Fig. 5-1 and Fig. 5-2, top circular bosses 13 and bottom double-layer circular boss structure 15 and middle part is divided into split semi-circular structure 14, the step place that semi-circular structure 14 is embedded in top circular bosses 13 and bottom double-layer circular boss structure 15 is split at middle part, upper strata, bottom boss is adopted to build for concave inward structure inside cover plate, bolt hole 9 and counter sink 10 adopt the one-sided bolt having the dismountable polyethylene cannula 16 of boss structure to be through fixed mould builds and form, sleeve diameter φ 5.5mm, external diameter φ 6mm, boss side external diameter φ 12mm, bolt is M6 bolt external diameter φ 5.5mm.
Fig. 4 is the structure chart of plate 2 in cement based, middle board mold manufacture method is similar to cover plate and base plate, adopt three part four chip architecture splicing assembled moulds, as shown in Fig. 6-1 and Fig. 6-2, on, lower part adopts symmetrical round boss structure 1 and symmetrical round boss structure 2 19, middle part adopts and splits semicircle lateral plate structure 18, split the step place that semicircle lateral plate structure 18 is embedded in symmetrical round boss structure 1 and symmetrical round boss structure 2 19, fixed by bolt in upper and lower boss face, piezoelectricity installing hole 11 is made by the polyethylene cylinder 20 of pre-buried diameter phi 22, polyethylene cylinder 20 center has screwed hole, be screwed on the bolt of fixed mould.
(2) in joints cement base cover plate 1, cement based base plate 3 and cement based during plate 2, should successively build, first bottom groove place is evenly built when building cover plate, slightly plug and pound with plugging and pounding rod, continue again to build after the even levelling of concrete, build middle plate by same method, continue to build after the even levelling of concrete, in casting process, answer compound rubber to hammer into shape.After having built, tighten the bolt of fixed mould, mould is upright, and maintenance form removal after three days, repairs fault location after form removal.
4, the installation of pressure electricity-generating structure, cement based cover plate 1 and cement based base plate 3 inner side brush a layer thickness are about the epoxide-resin glue of 0.2mm, after mounting conductive electrode plate 1 and conductive electrode plate 2 42, connect wire 7, pressure electricity-generating element 5 is arranged in piezoelectricity installing hole 11, plate in cement based 2 is embedded cement based base plate 3, compaction pressure generating element 5 makes it contact completely with the conductive electrode plate 2 42 in cement based base plate 3, the rubber washer 8 that thick layer is about 1mm is laid at the edge that cement based base plate 3 contacts with cement based cover plate 1, cover cement based cover plate 1, compress slightly and guarantee that the conductive electrode plate 1 inside cement based cover plate 1 contacts with pressure electricity-generating element 5, first all bolts 6 and nut are screwed in the bolt hole 9 between cement based cover plate 1 and cement based base plate 3, increase the pretightning force between bolt 6 and nut successively, keep pretightning force between each bolt 6 to be close as far as possible, universal instrument is finally utilized to detect the electric capacity of drawing between wire whether close with pressure electricity-generating element 5 total capacitance of installing, whether intactly judge to be connected between conductive electrode plate with pressure electricity-generating element 5.After encapsulation, structure is as shown in Fig. 7-1.
Pressure electricity-generating element 5 of the present invention is stacking-type PZT (piezoelectric transducer) or cymbals formula PZT (piezoelectric transducer), piezoelectric ceramic piece adopts lead zirconate titanate material, external shape is cylinder, multi-disc stepped construction, the side that multi-disc stepped construction forms cylinder is fixed by rubber sleeve, the bolt pretightening clamping of being transmitted by battery lead plate.As shown in Fig. 7-2, the ceramic electrical pole-face of stacking-type PZT (piezoelectric transducer) all scribbles silver electrode, and electrode surface posts Copper Foil, is connected between Copper Foil by wire, and pressure forms multi-disc piezoelectric ceramic piece storehouse.As shown in Fig. 7-3, cymbals formula PZT (piezoelectric transducer) adopts circular piezoelectric potsherd Double-face adhesive Copper Foil end cap to be made, and wire is drawn by piezoelectric ceramic piece both sides end cap; The connecting circuit of stacking-type PZT (piezoelectric transducer) and cymbals formula PZT (piezoelectric transducer) is and is connected in parallel.
5, the external treatment of pressure electricity-generating encapsulating structure, Anti-seeping technology should be done by the brushing thickness epoxy resin that is about 1mm at the outer surface of encapsulating structure, filled high polymer fluid sealant in the gap of bolt hole 9 and wire connection hole 12, and check whether be connected rubber washer 8 in gap between cement based cover plate 1 with cement based base plate 3 is filled in gap completely.
6, pressure electricity-generating encapsulating structure is laid and outside connection, and it is double that mode is laid on pressure generator road surface, lays along vehicle wheel path direction, and the circuit between each encapsulating structure connects for parallel connection, and outer lead is laid in outside wheel path, as shown in Fig. 8-1,8-2
7, the embedding method of pressure electricity-generating encapsulating structure, this pressure electricity-generating encapsulating structure is embedded in concrete road surface, cement concrete pavement is different with asphalt concrete pavement method for embedding, for cement concrete pavement, encapsulating structure should be directly embedded in 4cm place, below road surface when building shaping, outside concrete is buried, or to build shaping concrete road surface fluting, pressure electricity-generating encapsulating structure is directly embedded in road surfaces, for asphalt concrete pavement, it is 15cm that the milling of Ying Lu table milling machine goes out dark, wide is the groove of 60cm, the levelling 2cm of trench bottom cement concrete, pressure electricity-generating encapsulating structure is laid immediately on screed-coat, then the gap between each pressure electricity-generating encapsulating structure is filled in cement concrete, pressure electricity-generating is encapsulated top after concrete hardening and lay one deck asphalt felt material, and then the asphalt surface course of thick about 4cm is laid in the superiors, the pressure electricity-generating structure wire of drawing by dig out at side one dark be that the wire of about 5cm is buried groove 21 underground and is connected to power collecting device, as shown in Fig. 8-3.
Claims (10)
1. a road cement sill pressure electricity-generating encapsulating structure, is characterized in that, comprising:
Cement based cover plate (1);
Plate (2) in cement based;
Cement based base plate (3);
Be arranged at the conductive electrode plate one (41) in cement based cover plate (1) lower surface and cement based between plate (2) upper surface;
Be arranged at the conductive electrode plate two (42) in cement based base plate (3) upper surface and cement based between plate (2) lower surface; And
Be installed on the some pressure electricity-generating elements (5) in plate in cement based (2), pressure electricity-generating element (5) is clamped by conductive electrode plate one (41) and conductive electrode plate two (42).
2. road cement sill pressure electricity-generating encapsulating structure according to claim 1, it is characterized in that, piezoelectricity installing hole (11) and wire connection hole (12) is reserved in plate (2) in described cement based, pressure electricity-generating element (5) is embedded in piezoelectricity installing hole (11), the wire (7) connecting conductive electrode plate one (41) and conductive electrode plate two (42) leads to external circuits by wire connection hole (12), in described cement based, plate (2) is embedded in the cavity between cement based cover plate (1) and cement based base plate (3), the outer rim of cement based cover plate (1) and cement based base plate (3) is all reserved with bolt mounting holes (9), bolt mounting holes (9) end leaves bolt and nut installs counter sink (10), cement based cover plate (1) is connected by bolt (6) with cement based base plate (3).
3. road cement sill pressure electricity-generating encapsulating structure according to claim 1, it is characterized in that, described conductive electrode plate one (41) and conductive electrode plate two (42) are copper plate or cond aluminium plate, described conductive electrode plate one (41) is fixed on the lower surface of cement based cover plate (1) by epoxide-resin glue, described conductive electrode plate two (42) is fixed on the upper surface of cement based base plate (3) by epoxide-resin glue.
4. road cement sill pressure electricity-generating encapsulating structure according to claim 1, it is characterized in that, described pressure electricity-generating element (5) is stacking-type PZT (piezoelectric transducer) or cymbals formula PZT (piezoelectric transducer), the ceramic electrical pole-face of stacking-type PZT (piezoelectric transducer) all scribbles silver electrode, electrode surface posts Copper Foil, connected by wire between Copper Foil, pressure forms multi-disc piezoelectric ceramic piece storehouse; Cymbals formula PZT (piezoelectric transducer) adopts circular piezoelectric potsherd Double-face adhesive Copper Foil end cap to be made, and wire is drawn by piezoelectric ceramic piece both sides end cap; The connecting circuit of stacking-type PZT (piezoelectric transducer) and cymbals formula PZT (piezoelectric transducer) is and is connected in parallel.
5. road cement sill pressure electricity-generating encapsulating structure according to claim 4, it is characterized in that, described stacking-type PZT (piezoelectric transducer) or cymbals formula PZT (piezoelectric transducer) all adopt the piezoelectric ceramic piece of lead zirconate titanate material.
6. road cement sill pressure electricity-generating encapsulating structure according to claim 4, it is characterized in that, the external shape of described stacking-type PZT (piezoelectric transducer) or cymbals formula PZT (piezoelectric transducer) is cylinder, multi-disc stepped construction, the side that multi-disc stepped construction forms cylinder is fixed by rubber sleeve, the bolt pretightening clamping of being transmitted by battery lead plate.
7. road cement sill pressure electricity-generating encapsulating structure according to claim 1, it is characterized in that, the cement-based material that in described cement based cover plate (1), cement based, plate (2) and cement based base plate (3) adopt is Self-leveling, shrinkage-free cement-based material, its initial flow degree is greater than 260mm, and within 3 days, compression strength is greater than 40MPa.
8. road cement sill pressure electricity-generating encapsulating structure according to claim 1 or 7, it is characterized in that, in described cement based cover plate (1), cement based, plate (2) and cement based base plate (3) are all completed by concreting, build mould and adopt steel splicing assembly jig, die for cover plate, middle board mold and base plate mould all adopt three part connecting methods to make; Die for cover plate comprises top circular bosses (13), semi-circular structure (14) is split at middle part and bottom double-layer circular boss structure (15), when mould is installed, middle part is split semi-circular structure (14) splicing and is embedded between lower floor's step of bottom double-layer circular boss structure (15) and the step of top circular bosses (13), bolt mounting holes (9) and installation counter sink (10) are made by pre-buried polyethylene cannula (16), and polyethylene cannula (16) is enclosed within the bolt of fixed mould; Cement based base plate (3) size and cement based cover plate (1) measure-alike, share one set of die; Middle board mold adopts symmetrical round boss structure one (17) and symmetrical round boss structure two (19) and splits semicircle lateral plate structure (18) and splices, splitting semicircle lateral plate structure (18) is arranged between symmetrical round boss structure one (17) and symmetrical round boss structure two (19), piezoelectricity installing hole (11) is made by pre-buried polyethylene cylinder (20), and polyethylene cylinder (20) is fixed on mould set bolt.
9. road cement sill pressure electricity-generating encapsulating structure according to claim 1, it is characterized in that, encapsulating structure does Anti-seeping technology, outer surface brushwork epoxy resin, cement based cover plate (1) is connected gap place rubber washer (8) sealing with cement based base plate (3).
10. road cement sill pressure electricity-generating encapsulating structure according to claim 1, is characterized in that, it is embedded in the 3-5cm degree of depth under the road surface at roadbed wheel track band place or road surface.
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