CN107130496B - Snow melting blanket based on piezoelectric power generation - Google Patents
Snow melting blanket based on piezoelectric power generation Download PDFInfo
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- CN107130496B CN107130496B CN201710351591.0A CN201710351591A CN107130496B CN 107130496 B CN107130496 B CN 107130496B CN 201710351591 A CN201710351591 A CN 201710351591A CN 107130496 B CN107130496 B CN 107130496B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
- E01C11/265—Embedded electrical heating elements ; Mounting thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Civil Engineering (AREA)
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- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a snow melting blanket based on piezoelectric power generation, which comprises an upper protective layer, a lower protective layer, an upper constant-temperature electric heating layer, a piezoelectric power generation layer, an insulating layer, a lower constant-temperature electric heating layer and an anti-skid layer, wherein the upper protective layer, the lower protective layer, the upper constant-temperature electric heating layer, the piezoelectric power generation layer, the insulating layer, the lower constant-temperature electric heating layer and the anti-skid layer are tightly bonded from top to bottom in a sealed manner; the upper protective layer is provided with a snow-melting agent extrusion hole; the piezoelectric power generation layer is a steel plate type piezoelectric power generation layer, a substrate type piezoelectric power generation layer or a rubber substrate type piezoelectric power generation layer, a piezoelectric power generation device, a snow melting agent air bag and an electric energy storage device are arranged in the piezoelectric power generation layer, the piezoelectric power generation device is connected with a built-in energy acquisition circuit through a lead, and the energy acquisition circuit is connected with the electric energy storage device. The snow melting blanket based on piezoelectric power generation is used as a preventive road surface accumulated snow removing technology, mechanical energy generated by road load impact and vibration of a road surface is converted into electric energy required by a heating element of the snow melting blanket, the self-sufficient intelligent snow melting and ice melting effect is achieved, and the snow melting blanket is intelligent, efficient and considerable in scale from the viewpoint of energy collection and sustainable development.
Description
Technical Field
The invention belongs to the field of road engineering, relates to a piezoelectric power generation technology, and particularly relates to a snow melting blanket based on piezoelectric power generation.
Background
At present, the most common methods for solving the problem of snow accumulation on the road surface comprise manual mechanical clearing, snow melting agent spreading and the like. The problems of large manpower consumption, small operation area, low efficiency and the like exist in the manual mechanical cleaning; the spreading of the snow-melting agent is easily affected by temperature change, often accompanied by the phenomenon of reverse icing and limited by economy and ice and snow removing effect, at present, the chlorine salt snow-melting agent is mainly adopted, the corrosion characteristic of the snow-melting agent is easy to damage road knots, the durability of the snow-melting agent is reduced, and the natural environments such as soil, water and the like are seriously polluted. Meanwhile, the method can not melt accumulated snow on the road surface in real time, and the smooth traffic of the road surface is influenced. Therefore, it is important to select and utilize a reasonable snow melting method. At present, the mainstream technology of the road snow melting blanket in China is an electric heating snow melting technology connected with an urban power grid, and the method has the defects of high electric energy consumption, low snow melting instantaneity and the like, so that the method is only suitable for local road sections with timely power supply and small traffic volume.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a snow melting blanket based on piezoelectric power generation, and overcomes the defects that the electric energy consumption is high, the snow melting instantaneity is not strong, the snow melting blanket is only suitable for local road sections with timely power supply and small traffic volume and the like due to the adoption of an electric heating snow melting technology connected with an urban power grid in the prior art.
In order to solve the technical problem, the application adopts the following technical scheme:
a snow melting blanket based on piezoelectric power generation comprises an upper protective layer, a lower protective layer, an upper constant-temperature electric heating layer, a piezoelectric power generation layer, an insulating layer, a lower constant-temperature electric heating layer and an anti-skid layer which are tightly bonded in a sealing manner from top to bottom;
the piezoelectric power generation layer is a steel plate type piezoelectric power generation layer, a substrate type piezoelectric power generation layer or a rubber substrate type piezoelectric power generation layer.
The invention also has the following distinguishing technical characteristics:
the steel plate type piezoelectric power generation layer is internally provided with a plurality of cavities distributed in an array manner, each cavity is formed by connecting a top plate, a side plate and a bottom plate in a matched manner through bolts, the top plate is in contact with the upper constant-temperature electric heating layer, the bottom plates are in contact with the insulating layer, the bottom plates are mutually combined and connected through a hinged connecting piece and a connecting hinge, and gaps outside the cavities are filled with first fillers;
the snow melting agent is arranged in the cavity, the steel plate type piezoelectric power generation devices are arranged in the array of the steel plate type piezoelectric power generation devices at intervals, the steel plate type piezoelectric power generation devices are connected with a built-in energy acquisition circuit through first wires, and the energy acquisition circuit is connected with the first energy storage through the first wires penetrating through the side plates;
the steel plate type piezoelectric power generation device comprises a first piezoelectric ceramic piece arranged on a bottom plate, wherein an inverted round cushion block is arranged at the upper end of the first piezoelectric ceramic piece, and the upper end of the inverted round cushion block is in contact with a top plate;
the snow-melting agent air bag comprises a liquid containing kettle, a rubber tube and a snow-melting agent supplementing tube, the liquid containing kettle is installed on a bottom plate, a liquid snow-melting agent is installed in the liquid containing kettle, a snow-melting agent air bag top plate is arranged at the upper end of the outer portion of the liquid containing kettle, a piston is installed between the snow-melting agent air bag top plate and the top plate, the rubber tube is communicated with the liquid containing kettle and an upper protective layer, a snow-melting agent extrusion hole is formed in the upper protective layer, and the snow-melting agent supplementing tube is communicated with the liquid containing kettle and penetrates out of a side plate of the outer portion of the snow-melting agent air bag.
The working principle of the snow-melting agent airbag is that when a vehicle passes through the snow-melting blanket in the initial stage of the use of the snow-melting blanket, the snow-melting agent airbag storing the liquid snow-melting agent extrudes the liquid snow-melting agent through the action of a piston to spread on the surface of the upper protective layer after the action of wheel load, so that the effect of quickly melting snow in the initial stage is achieved, and when the piezoelectric power generation layer is not normally used in the initial stage of the use of the snow-melting blanket, the snow is quickly melted.
The top plate and the bottom plate are made of carbon steel or alloy steel; the side plates are made of nylon plates; the rounding cushion block is made of carbon steel or alloy steel;
a nut counter bore is processed on the top plate;
the bolt adopts a high-strength single-head non-full-tooth screw;
the top end of the first piezoelectric ceramic piece is slightly higher than the upper end surface of the side plate;
the hinged connecting piece is transversely connected with each bottom plate, and the connecting hinges are longitudinally connected with each bottom plate;
the side of the steel plate type piezoelectric power generation layer is provided with a first red-green diode, the first red-green diode is connected with a first electric energy storage through a first lead, and the first red-green diode is connected with a standby connector lug.
The substrate type piezoelectric power generation layer is internally provided with a plurality of substrates distributed in an array manner, the bottoms of the substrates are contacted with the insulating layer, a plurality of mounting grooves are distributed in the substrate in an array manner, the substrates are mutually connected through threaded connecting pieces, and gaps outside the substrates are filled with second fillers;
a substrate type piezoelectric power generation device is installed in the installation groove, second electric energy storages are arranged in an array of the substrate type piezoelectric power generation device at intervals, the substrate type piezoelectric power generation device is connected with a built-in energy acquisition circuit through a second lead, and the energy acquisition circuit and the second electric energy storages are connected with each other through the second lead penetrating through the substrate;
the substrate type piezoelectric power generation device comprises a first hard rubber pad arranged at the bottom of the mounting groove, a second piezoelectric ceramic piece is arranged at the upper end of the first hard rubber pad, a first force transmission component is arranged at the upper end of the second piezoelectric ceramic piece, and the first force transmission component is in contact with the upper constant-temperature electric heating layer.
The substrate is made of a nylon plate, an epoxy glass fiber plate or an bakelite plate; the first force transmission component is made of carbon steel or alloy steel;
the threaded connecting piece adopts a high-strength single-head non-full-tooth screw to be matched with a high-strength nut;
the top of the first force transmission member is slightly higher than the top of the base plate;
the side of the substrate type piezoelectric power generation layer is provided with a second red-green diode, the second red-green diode is connected with a second electric energy storage through a second wire, and the second red-green diode is connected with a standby connector lug.
A rubber substrate is arranged in the rubber substrate type piezoelectric power generation layer, a plurality of rubber limiting grooves are distributed on the rubber substrate in an array mode, an energy storage device installation groove is formed in the middle of the array of the rubber limiting grooves, and an energy storage device is arranged in the energy storage device installation groove;
the rubber limiting groove is internally provided with a rubber substrate type piezoelectric generating device which is connected with a built-in energy acquisition circuit through a third lead, and the energy acquisition circuit and the energy storage are mutually connected through the third lead penetrating through the rubber substrate;
the rubber substrate type piezoelectric power generation device comprises a second hard rubber pad arranged at the bottom of the rubber limiting groove, a third piezoelectric ceramic piece is placed at the upper end of the second hard rubber pad, a second force transmission component is arranged at the upper end of the third piezoelectric ceramic piece, and the second force transmission component is in contact with the upper constant-temperature electric heating layer.
The second force transmission component is made of carbon steel or alloy steel; the top of the second force transmission component is slightly higher than the upper end surface of the rubber substrate;
and a third red-green diode is assembled on the side edge of the rubber substrate type piezoelectric power generation layer, the third red-green diode is connected with the energy storage through a third lead, and a standby connector lug is connected to the third red-green diode.
The upper protective layer is made of wear-resistant and anti-skid materials, and the surface is subjected to grooving or galling treatment;
the lower protective layer and the insulating layer are made of glass fiber heat-insulating cotton materials;
electric heating pipelines are arranged in the upper constant-temperature electric heating layer and the lower constant-temperature electric heating layer;
the anti-skid layer is made of PVC anti-skid materials.
And bonding materials are coated among the upper protective layer, the lower protective layer, the upper constant-temperature electric heating layer, the piezoelectric power generation layer, the insulating layer, the lower constant-temperature electric heating layer and the anti-slip layer, resin adhesive materials are filled at the contact part of each layer and air, and the snow melting blanket is integrally coated with a waterproof adhesive layer.
Connecting components are arranged on two sides of the snow melting blanket and used for realizing the connection between two adjacent snow melting blankets; the connecting component is a buckle type connecting component or a common connecting component, and the buckle type connecting component comprises a connecting buckle slot, a connecting nut and a connecting ball.
Compared with the prior art, the invention has the beneficial technical effects that:
the snow melting blanket based on the piezoelectric power generation principle is used as a preventive road surface accumulated snow removing technology, mechanical energy generated by load impact and vibration of a driving vehicle is converted into electric energy required by a heating element of the snow melting blanket, the self-sufficient intelligent snow melting and deicing effects are achieved, and the snow melting blanket is intelligent, efficient and considerable in scale from the viewpoint of energy collection and sustainable development.
The invention (II) adopts multi-power control, can regulate and control the area, can be curled and folded, and can be recycled. The external electric energy storage device arranged at intervals is convenient for collecting and storing electric energy. The piezoelectric power generation layer handles alternating, instantaneous and random irregular energy generated by the piezoelectric stacking unit through a built-in energy acquisition circuit. The piezoelectric power generation layer can reach the effect of improving stress transmission efficiency and preventing lateral extrusion through a force transmission component, the energy conversion efficiency is high, the structure is simple, the safety is high, the operation is simple and convenient, meanwhile, each piezoelectric device is connected, and the splicing, the dismounting and the replacement are convenient.
(III) the snow-melting agent airbag in the steel plate type piezoelectric power generation layer can extrude an economic and environment-friendly efficient snow-melting agent under the action of load pressure of a driving vehicle when the electric energy is insufficient in the initial use stage, so that the effect of rapidly melting snow in the initial working stage of the snow-melting blanket is achieved.
The constant-temperature electric heating layer can ensure that the temperature of the upper part and the lower part of the snow melting blanket is constant and the snow melting blanket is heated uniformly, ensure that the snow on the lower part of the snow melting blanket is melted, and set a lower constant temperature, so that the ageing of the asphalt concrete pavement cannot be accelerated.
The invention can be widely used in road engineering, such as urban traffic lane pavements, remote mountain area traffic lane pavements, bridge decks and other occasions, adopts multi-power supply control, can regulate and control the area, can be curled and folded, can be recycled, has good stress transfer effect, high energy conversion efficiency, good thermal stability, uniform and stable heating effect, wide covering surface, convenient control, insulation and environmental protection, timely snow melting, no need of traffic interruption, very high durability, simple and convenient installation and easy maintenance, and can help relieve the problem of low-temperature cracking of the asphalt pavement.
Drawings
Fig. 1 is a schematic view of the entire structure of embodiment 1.
Fig. 2 is a vertical sectional view of the entire structure of embodiment 1.
FIG. 3 is a plan view of the entire structure of embodiment 1.
Fig. 4 is a vertical sectional view of the steel plate type piezoelectric power generating device of example 1.
Fig. 5 is a vertical sectional view of the snow melt agent bladder of example 1.
Fig. 6 is a vertical sectional view of the entire structure of embodiment 2.
FIG. 7 is a top view of the whole structure of embodiment 2.
Fig. 8 is a vertical sectional view of the substrate-type piezoelectric power generator according to example 2.
Fig. 9 is a schematic view of the entire structure of the rubber substrate type piezoelectric power generation layer of embodiment 3.
Fig. 10 is a vertical sectional view of a rubber substrate type piezoelectric power generator according to example 3.
FIG. 11 is a schematic diagram of an energy harvesting circuit within the snow melt blanket of the present invention.
The meaning of the individual reference symbols in the figures is: 1-an upper protective layer, 2-a lower protective layer, 3-a constant temperature electrothermal layer, 4-a piezoelectric power generation layer, 5-an insulating layer, 6-a lower constant temperature electrothermal layer, 7-an anti-slip layer, 8-a connecting member, 9-a cavity, 10-a steel plate type piezoelectric power generation device, 11-a snow melting agent air bag, 12-a first electric energy storage device, 13-a first lead, 14-an energy acquisition circuit, 15-a first red-green diode, 16-a substrate, 17-a substrate type piezoelectric power generation device, 18-a second electric energy storage device, 19-a second lead, 20-a second red-green diode, 21-a rubber substrate, 22-an energy storage device, 23-a rubber substrate type piezoelectric power generation device, 24-a third lead and 25-a third red-green diode, 26-a wheel;
(1-1) -a snow-melting agent extruding hole;
(3-1) -an electrothermal line;
(4-1) -a steel plate type piezoelectric power generation layer, (4-2) -a substrate type piezoelectric power generation layer, (4-3) -a rubber substrate type piezoelectric power generation layer;
(8-1) -snap-in connection member, (8-1-1) -connection catching groove, (8-1-2) -connection nut, (8-1-3) -connection ball, (8-2) -common connection member;
(9-1) -top plate, (9-1-1) -nut counterbore, (9-2) -side plate, (9-3) -bottom plate, (9-4) -bolt, (9-5) -hinge connector, (9-6) -connecting hinge, (9-7) -first filler;
(10-1) -a first piezoelectric ceramic piece, (10-2) -a rounding cushion block;
(11-1) -liquid containing pot, (11-2) -rubber tube, (11-3) -snow melting agent supplementing tube, (11-4) -snow melting agent, (11-5) -snow melting agent air bag top plate, (11-6) -piston;
(15-1) -spare connector lug;
(16-1) -mounting groove, (16-2) -threaded connection; (16-3) -a second filler;
(17-1) -a first hard rubber pad, (17-2) -a second piezoelectric ceramic piece, (17-3) -a first force transfer component;
(20-1) -a spare connector lug;
(21-1) -a rubber limit groove, (21-2) -an energy storage device mounting groove;
(23-1) -a second hard rubber pad, (23-2) -a third piezoceramic sheet, (23-3) -a second force transmission member;
(25-1) -spare connector lug.
The present invention is explained in further detail with reference to examples below.
Detailed Description
The present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention fall within the protection scope of the present invention. The present invention will be described in further detail with reference to examples.
Example 1:
following the above technical solution, as shown in fig. 1 to 5 and fig. 11, the present embodiment provides a snow melting blanket based on piezoelectric power generation, which includes an upper protection layer 1, a lower protection layer 2, an upper constant temperature electric heating layer 3, a piezoelectric power generation layer 4, an insulation layer 5, a lower constant temperature electric heating layer 6 and an anti-slip layer 7, which are tightly bonded from top to bottom;
the piezoelectric power generation layer 4 is a steel plate type piezoelectric power generation layer 4-1.
Preferably, the upper protection layer 1 is made of wear-resistant and anti-skid materials, and the surface of the upper protection layer 1 is subjected to grooving treatment so as to improve the anti-skid performance of the upper protection layer 1; the surface of the upper protective layer 1 can be provided with a wheel track area for a driver to recognize driving;
specifically, the lower protective layer 2 and the insulating layer 5 are made of glass fiber heat-insulating cotton and the like, so that the lower protective layer 2 with good insulativity and strong heat resistance can be obtained;
specifically, electric heating pipelines 3-1 are arranged in the upper constant-temperature electric heating layer 3 and the lower constant-temperature electric heating layer 6, so that the temperature of the upper part and the lower part of the snow melting blanket is constant, and the melting of snow on the upper part and the lower part of the snow melting blanket is ensured; the constant temperature of the upper constant temperature electric heating layer 3 and the lower constant temperature electric heating layer 6 is lower, so that the aging of the asphalt concrete pavement can not be accelerated;
preferably, the anti-skid layer 7 is made of anti-skid materials such as PVC anti-skid strips and the like, can play an anti-skid role, and can be matched with the friction degree of the road surface effectively;
specifically, bonding materials are coated among the upper protection layer 1, the lower protection layer 2, the upper constant-temperature electric heating layer 3, the piezoelectric power generation layer 4, the insulation layer 5, the lower constant-temperature electric heating layer 6 and the anti-slip layer 7, resin adhesive materials are filled at the contact positions of all the layers and air, and a waterproof adhesive layer is coated on the whole snow melting blanket to enable all the layers of the snow melting blanket to be tightly bonded and to be sealed, waterproof and electricity-proof.
Specifically, the connecting members 8 are arranged on two sides of the snow-melting blanket, and the connecting members 8 are used for realizing the connection between two adjacent snow-melting blankets; the connecting component 8 is a buckle type connecting component 8-1 or a common connecting component 8-2, the buckle type connecting component 8-1 comprises a connecting buckle groove 8-1-1, a connecting nut 8-1-2 and a connecting ball 8-1-3, so that the effective connection of the snow melting blanket is facilitated, and the size of the snow melting blanket is matched with the width of a traffic lane.
A plurality of cavities 9 distributed in an array are arranged in the steel plate type piezoelectric power generation layer 4-1, the cavities 9 are formed by connecting a top plate 9-1, a side plate 9-2 and a bottom plate 9-3 in a matching mode through bolts 9-4, the top plate 9-1 is in contact with the upper constant-temperature electric heating layer 3, the bottom plate 9-3 is in contact with the insulating layer 5, the bottom plates 9-3 are mutually combined and connected through a hinged connecting piece 9-5 and a connecting hinge 9-6, and an outer gap of each cavity 9 is filled with a first filler 9-7;
the snow melting agent is characterized in that steel plate type piezoelectric power generation devices 10 are respectively arranged in the cavity 9, snow melting agent airbags 11 and first electric energy storages 12 are arranged in an array of the steel plate type piezoelectric power generation devices 10 at intervals, the steel plate type piezoelectric power generation devices 10 are connected with a built-in energy acquisition circuit 14 through first leads 13, the energy acquisition circuit 14 adopts a conventional energy acquisition circuit in the field, for example, a circuit diagram shown in fig. 11, and the energy acquisition circuit 14 and the first electric energy storages 12 are connected with each other through the first leads 13 penetrating through the side plates 9-2;
the steel plate type piezoelectric power generation device 10 comprises a first piezoelectric ceramic piece 10-1 installed on a bottom plate, wherein a rounding cushion block 10-2 is placed at the upper end of the first piezoelectric ceramic piece 10-1, and the upper end of the rounding cushion block 10-2 is in contact with a top plate 9-1;
the snow-melting agent air bag 11 comprises a liquid containing pot 11-1, a rubber tube 11-2 and a snow-melting agent supplementing tube 11-3, the liquid containing pot 11-1 is mounted on a bottom plate 9-3, a liquid snow-melting agent 11-4 is filled in the liquid containing pot 11-1, a snow-melting agent air bag top plate 11-5 is arranged at the upper end of the outer portion of the liquid containing pot 11-1, a piston 11-6 is mounted between the snow-melting agent air bag top plate 11-5 and the top plate 9-1, the rubber tube 11-2 is communicated with the liquid containing pot 11-1 and penetrates out of an upper protective layer 1, a snow-melting agent extrusion hole 1-1 is formed in the upper protective layer, and the snow-melting agent supplementing tube 11-3 is communicated with the liquid containing pot 11-1 and penetrates out of a side plate 9-2 outside the snow-melting agent air bag 11.
Specifically, the top plate 9-1 and the bottom plate 9-3 are made of hard rigid material carbon steel or alloy steel and the like, the side plates 9-2 are made of high-rigidity high-temperature-resistant heat-insulating material high-quality nylon plates and the like, the rounded cushion blocks 10-2 are made of high-strength rigid material carbon steel or alloy steel and the like, when load acts on one side of the device, stress can be transmitted to the other side through the top plate 9-1, and the linkage force transmission effect is good; the top plate 9-1, the side plate 9-2, the bottom plate 9-3 and the rounded cushion block 10-2 are subjected to insulation treatment, and the adopted insulation treatment method is a mainstream metal insulation treatment method;
specifically, a nut counter bore 9-1-1 is machined in the top plate 9-1; the bolt 9-4 adopts a high-strength single-head non-full-tooth screw rod;
specifically, the top end of the first piezoelectric ceramic piece 10-1 is slightly higher than the upper end surface of the side plate 9-2, and the height is set to ensure that the stress in each direction, which is applied to the top plate 9-1, is applied to the surface of the second piezoelectric ceramic piece 10-1 as much as possible, so that the normal operation of the second piezoelectric ceramic piece 10-1 is ensured;
the hinged connecting pieces 9-5 are transversely connected with the bottom plates 9-3, so that the snow melting blanket is convenient to disassemble and splice; the connecting hinges 9-6 are longitudinally connected with the bottom plates 9-3, so that the snow melting blanket is convenient to bend or fold;
a first red-green diode 15 is assembled on the side edge of the steel plate type piezoelectric power generation layer 4-1, and the first red-green diode 15 is connected with a first electric energy storage 12 through a first lead 13 and used for displaying the electric quantity of the first electric energy storage 12; the first red-green diode 15 is connected with a spare connector 15-1 which is externally connected with an urban power grid so that the spare steel plate type piezoelectric power generation layer can not work normally or is used when the stored electric quantity is insufficient at the initial stage of the snow melting blanket;
the liquid snow-melting agent 11-4 is a green, environment-friendly, efficient and corrosion-free liquid snow-melting agent.
Example 2:
following the above technical solution, as shown in fig. 6 to 8 and fig. 11, the present embodiment provides a snow melting blanket for piezoelectric power generation, which includes an upper protection layer 1, a lower protection layer 2, an upper constant temperature electric heating layer 3, a piezoelectric power generation layer 4, an insulation layer 5, a lower constant temperature electric heating layer 6 and an anti-slip layer 7, which are tightly bonded from top to bottom;
the piezoelectric power generation layer 4 is a substrate type piezoelectric power generation layer 4-2.
Preferably, the upper protection layer 1 is made of wear-resistant and anti-skid materials, and the surface is subjected to roughening treatment to improve the anti-skid performance of the upper protection layer 1; the surface of the upper protective layer 1 can be provided with a wheel track area for a driver to recognize driving;
specifically, the lower protective layer 2 and the insulating layer 5 are made of glass fiber heat-insulating cotton and the like, so that the lower protective layer 2 with good insulativity and strong heat resistance can be obtained;
specifically, electric heating pipelines 3-1 are arranged in the upper constant-temperature electric heating layer 3 and the lower constant-temperature electric heating layer 6, so that the temperature of the upper part and the lower part of the snow melting blanket is constant, and the melting of snow on the upper part and the lower part of the snow melting blanket is ensured; the constant temperature of the upper constant-temperature electric heating layer 3 and the lower constant-temperature electric heating layer 6 is lower, so that the aging of the asphalt concrete pavement is not accelerated;
preferably, the anti-skid layer 7 is made of anti-skid materials such as PVC anti-skid strips and the like, can play an anti-skid role, and can be matched with the friction degree of the road surface effectively;
specifically, bonding materials are coated among the upper protection layer 1, the lower protection layer 2, the upper constant-temperature electric heating layer 3, the piezoelectric power generation layer 4, the insulation layer 5, the lower constant-temperature electric heating layer 6 and the anti-slip layer 7, resin adhesive materials are filled at the contact positions of all the layers and air, and a waterproof adhesive layer is coated on the whole snow melting blanket to enable all the layers of the snow melting blanket to be tightly bonded and to be sealed, waterproof and electricity-proof.
Specifically, the snow melting blankets are connected through a connecting component 8, and the connecting component 8 is a common connecting component 8-2, so that the effective connection of the snow melting blankets is facilitated, and the size of the snow melting blankets is matched with the width of a traffic lane.
A plurality of substrates 16 distributed in an array are arranged in the substrate type piezoelectric power generation layer 4-2, the bottom of each substrate 16 is in contact with the insulating layer 5, a plurality of mounting grooves 16-1 are distributed in an array on each substrate 16, the substrates 16 are connected with one another through threaded connectors 16-2, and gaps outside the substrates 16 are filled with second fillers 16-3;
a substrate type piezoelectric power generation device 17 is installed in the installation groove 16-1, second electric energy storages 18 are arranged in the array of the substrate type piezoelectric power generation device 17 at intervals, the substrate type piezoelectric power generation device 17 is connected with a built-in energy acquisition circuit 14 through a second lead 19, and the energy acquisition circuit 14 and the second electric energy storages 18 are connected with each other through the second lead 19 penetrating through the substrate 16;
the substrate type piezoelectric power generation device 17 comprises a first hard rubber pad 17-1 arranged at the bottom of the mounting groove 16-1, a second piezoelectric ceramic piece 17-2 is arranged at the upper end of the first hard rubber pad 17-1, a first force transmission component 17-3 is arranged at the upper end of the second piezoelectric ceramic piece 17-2, and the first force transmission component 17-3 is in contact with the upper constant-temperature electric heating layer 3;
specifically, the base plate 16 is a high-quality nylon plate, an epoxy glass fiber plate or a bakelite plate which is high in rigidity, high-temperature resistance, heat insulation and flatness, the first force transmission component 17-3 is hard rigid material carbon steel or alloy steel and the like, when a load acts on one side of the device, stress can be transmitted to the other side through the base plate 16, and the linkage force transmission effect is good; the base plate 16, the first force transmission member 17-3 and the first hard rubber pad 17-1 are subjected to insulation treatment, and the adopted insulation treatment method is a mainstream metal insulation treatment method;
the threaded connecting piece 16-2 is transversely connected with each base plate 16, and the threaded connecting piece 16-2 is matched with a high-strength nut by adopting a high-strength single-head non-full-tooth screw rod, so that the snow melting blanket can be conveniently bent or folded;
the top of the first force transmission member 17-3 is slightly higher than the top of the substrate 16, and the height arrangement can ensure that the stress in each direction, which is applied to the substrate 16, is applied to the surface of the second piezoelectric ceramic piece 17-2 as much as possible, so as to ensure the normal operation of the second piezoelectric ceramic piece 17-2;
the side edge of the substrate type piezoelectric power generation layer 4-2 is provided with a second red-green diode 20, and the second red-green diode 20 is connected with a second electric energy storage 18 through a second wire 19 and used for displaying the electric quantity of the second electric energy storage 18; the second red-green diode 20 is connected with a spare connector lug 20-1 which is externally connected with an urban power grid so as to be used when the substrate type piezoelectric power generation layer can not work normally or the stored electric quantity is insufficient in the early use stage of the snow melting blanket.
Example 3:
following the above technical solution, as shown in fig. 9 to 11, the present embodiment provides a snow melting blanket for piezoelectric power generation, which includes an upper protective layer 1, a lower protective layer 2, an upper constant temperature electrothermal layer 3, a piezoelectric power generation layer 4, an insulating layer 5, a lower constant temperature electrothermal layer 6, and an anti-slip layer 7, which are tightly bonded from top to bottom;
the piezoelectric power generation layer 4 is a rubber substrate type piezoelectric power generation layer 4-3.
Preferably, the upper protection layer 1 is made of wear-resistant and anti-skid materials, and the surface is subjected to roughening treatment to improve the anti-skid performance of the upper protection layer 1; the surface of the upper protective layer 1 can be provided with a wheel track area for a driver to recognize driving;
specifically, the lower protective layer 2 and the insulating layer 5 are made of glass fiber heat-insulating cotton and the like, so that the lower protective layer 2 with good insulating property and strong heat resistance can be obtained;
specifically, electric heating pipelines 3-1 are arranged in the upper constant-temperature electric heating layer 3 and the lower constant-temperature electric heating layer 6, so that the temperature of the upper part and the lower part of the snow melting blanket is constant, and the melting of snow on the upper part and the lower part of the snow melting blanket is ensured; the constant temperature of the upper constant-temperature electric heating layer 3 and the lower constant-temperature electric heating layer 6 is lower, so that the aging of the asphalt concrete pavement is not accelerated;
preferably, the anti-skid layer 7 is made of anti-skid materials such as PVC anti-skid strips and the like, can play an anti-skid role, and can be matched with the friction degree of the road surface effectively;
specifically, bonding materials are coated among the upper protection layer 1, the lower protection layer 2, the upper constant-temperature electric heating layer 3, the piezoelectric power generation layer 4, the insulation layer 5, the lower constant-temperature electric heating layer 6 and the anti-slip layer 7, resin adhesive materials are filled at the contact positions of all the layers and air, and a waterproof adhesive layer is coated on the whole snow melting blanket to enable all the layers of the snow melting blanket to be tightly bonded and to be sealed, waterproof and electricity-proof.
Specifically, the snow melting blankets are connected through the connecting component 8, the connecting component 8 is a common connecting component 8-2, the effective connection of the snow melting blankets is facilitated, and the size of the snow melting blankets is matched with the width of a traffic lane.
A rubber substrate 21 is arranged in the rubber substrate type piezoelectric power generation layer 4-3, a plurality of rubber limiting grooves 21-1 are distributed on the rubber substrate 21 in an array mode, an energy storage device installation groove 21-2 is formed in the middle of the array of the rubber limiting grooves 21-1, and an energy storage device 22 is arranged in the energy storage device installation groove 21-2;
a rubber substrate type piezoelectric power generation device 23 is arranged in the rubber limiting groove 21-1, the rubber substrate type piezoelectric power generation device 23 is connected with a built-in energy acquisition circuit 14 through a third lead 24, and the energy acquisition circuit 14 and the energy storage 22 are mutually connected through the third lead 24 penetrating through the rubber substrate 21;
the rubber substrate type piezoelectric power generation device 23 comprises a second hard rubber pad 23-1 arranged at the bottom of a rubber limiting groove 21-1, a third piezoelectric ceramic piece 23-2 is arranged at the upper end of the second hard rubber pad 23-1, a second force transmission component 23-3 is arranged at the upper end of the third piezoelectric ceramic piece 23-2, and the second force transmission component 23-3 is in contact with an upper constant-temperature electric heating layer 3.
Specifically, the second force transmission component 23-3 is made of hard rigid material such as carbon steel or alloy steel, the second force transmission component 23-3 and the second hard rubber pad 23-1 are subjected to insulation treatment, and the adopted insulation treatment method is a mainstream metal insulation treatment method; the top of the second force transmission component 23-3 is slightly higher than the upper end surface of the rubber substrate 21, and the height setting can ensure that the stress in each direction, which is applied to the rubber substrate 21, is applied to the surface of the third piezoceramic sheet 23-2 as much as possible, thereby ensuring the normal operation of the third piezoceramic sheet 23-2.
Specifically, a third red-green diode 25 is assembled on the side of the rubber substrate type piezoelectric power generation layer 4-3, and the third red-green diode 25 is connected with the energy storage 22 through a third wire 24 and used for displaying the electric quantity of the energy storage 22; the third red-green diode 25 is connected with a spare connector 25-1 which is externally connected with an urban power grid, so that the spare rubber substrate type piezoelectric power generation layer can be used when the snow melting blanket can not work normally in the initial use stage or the stored electric quantity is insufficient.
Claims (4)
1. The snow melting blanket based on piezoelectric power generation is characterized by comprising an upper protective layer (1), a lower protective layer (2), an upper constant-temperature electric heating layer (3), a piezoelectric power generation layer (4), an insulating layer (5), a lower constant-temperature electric heating layer (6) and an anti-skid layer (7), which are tightly bonded in a sealing manner from top to bottom;
the piezoelectric power generation layer (4) is a steel plate type piezoelectric power generation layer (4-1), a substrate type piezoelectric power generation layer (4-2) or a rubber substrate type piezoelectric power generation layer (4-3);
a plurality of cavities (9) distributed in an array mode are arranged in the steel plate type piezoelectric power generation layer (4-1), the cavities (9) are formed by connecting a top plate (9-1), side plates (9-2) and a bottom plate (9-3) in a matched mode through bolts (9-4), the top plate (9-1) is in contact with the upper constant-temperature electric heating layer (3), the bottom plate (9-3) is in contact with the insulating layer (5), the bottom plates (9-3) are connected with one another in a combined mode through hinged connectors (9-5) and connecting hinges (9-6), and external gaps of the cavities (9) are filled with first fillers (9-7);
the snow melting device is characterized in that steel plate type piezoelectric power generation devices (10) are respectively arranged in the cavity (9), snow melting agent air bags (11) and first electric energy storages (12) are arranged in an array of the steel plate type piezoelectric power generation devices (10) at intervals, the steel plate type piezoelectric power generation devices (10) are connected with a built-in energy acquisition circuit (14) through first wires (13), and the energy acquisition circuit (14) and the first electric energy storages (12) are connected with each other through the first wires (13) penetrating through the side plates (9-2);
the steel plate type piezoelectric power generation device (10) comprises a first piezoelectric ceramic piece (10-1) arranged on a bottom plate, wherein a rounding cushion block (10-2) is arranged at the upper end of the first piezoelectric ceramic piece (10-1), and the upper end of the rounding cushion block (10-2) is in contact with a top plate (9-1);
the snow-melting agent air bag (11) comprises a liquid containing pot (11-1), a rubber tube (11-2) and a snow-melting agent supplementing tube (11-3), the liquid containing pot (11-1) is arranged on the bottom plate (9-3), the liquid containing pot (11-1) is filled with a liquid snow melting agent (11-4), the upper end of the outer part of the liquid containing pot (11-1) is provided with a snow melting agent air bag top plate (11-5), a piston (11-6) is arranged between the snow melting agent air bag top plate (11-5) and the top plate (9-1), the rubber tube (11-2) is communicated with the liquid containing kettle (11-1) and penetrates out of the upper protective layer (1), the upper protective layer is provided with a snow-melting agent extrusion hole (1-1), the snow-melting agent replenishing pipe (11-3) is communicated with the liquid containing kettle (11-1) and penetrates out of a side plate (9-2) outside the snow-melting agent air bag (11);
a plurality of substrates (16) distributed in an array manner are arranged in the substrate type piezoelectric power generation layer (4-2), the bottom of each substrate (16) is in contact with the insulating layer (5), a plurality of mounting grooves (16-1) are distributed in an array manner on each substrate (16), the substrates (16) are connected with one another through threaded connectors (16-2), and external gaps of the substrates (16) are filled with second fillers (16-3);
a substrate type piezoelectric power generation device (17) is installed in the installation groove (16-1), second electric energy storages (18) are arranged in the array of the substrate type piezoelectric power generation device (17) at intervals, the substrate type piezoelectric power generation device (17) is connected with a built-in energy acquisition circuit (14) through second wires (19), and the energy acquisition circuit (14) and the second electric energy storages (18) are connected with each other through the second wires (19) penetrating through the substrate (16);
the substrate type piezoelectric power generation device (17) comprises a first hard rubber pad (17-1) arranged at the bottom of the mounting groove (16-1), a second piezoelectric ceramic piece (17-2) is arranged at the upper end of the first hard rubber pad (17-1), a first force transmission component (17-3) is arranged at the upper end of the second piezoelectric ceramic piece (17-2), and the first force transmission component (17-3) is in contact with the upper constant-temperature electric heating layer (3);
a rubber substrate (21) is arranged in the rubber substrate type piezoelectric power generation layer (4-3), a plurality of rubber limiting grooves (21-1) are distributed on the rubber substrate (21) in an array mode, an energy storage device installation groove (21-2) is formed in the middle of the array of the rubber limiting grooves (21-1), and an energy storage device (22) is arranged in the energy storage device installation groove (21-2);
a rubber substrate type piezoelectric power generation device (23) is arranged in the rubber limiting groove (21-1), the rubber substrate type piezoelectric power generation device (23) is connected with a built-in energy acquisition circuit (14) through a third lead (24), and the energy acquisition circuit (14) and an energy storage (22) are mutually connected through the third lead (24) of the rubber substrate (21);
the rubber substrate type piezoelectric power generation device (23) comprises a second hard rubber pad (23-1) arranged at the bottom of a rubber limiting groove (21-1), a third piezoelectric ceramic piece (23-2) is arranged at the upper end of the second hard rubber pad (23-1), a second force transmission component (23-3) is arranged at the upper end of the third piezoelectric ceramic piece (23-2), and the second force transmission component (23-3) is in contact with an upper constant-temperature electric heating layer (3);
the upper protective layer (1) is made of wear-resistant and anti-skid materials, and the surface is subjected to grooving or galling treatment;
the lower protective layer (2) and the insulating layer (5) are made of glass fiber heat-insulating cotton materials;
electric heating pipelines (3-1) are arranged in the upper constant-temperature electric heating layer (3) and the lower constant-temperature electric heating layer (6);
the anti-skid layer (7) is made of PVC anti-skid materials;
connecting components (8) are arranged on two sides of the snow melting blanket, and the connecting components (8) are used for realizing the connection between two adjacent snow melting blankets; the connecting component (8) is a buckle type connecting component (8-1), and the buckle type connecting component (8-1) comprises a connecting buckle groove (8-1-1), a connecting nut (8-1-2) and a connecting ball (8-1-3).
2. Snow-melting blanket as claimed in claim 1, characterised in that said top plate (9-1) and bottom plate (9-3) are made of carbon steel or alloy steel; the side plate (9-2) is made of a nylon plate; the rounding cushion block (10-2) is made of carbon steel or alloy steel;
a nut counter bore (9-1-1) is processed on the top plate (9-1);
the bolt (9-4) adopts a high-strength single-head non-full-tooth screw rod;
the top end of the first piezoelectric ceramic piece (10-1) is slightly higher than the upper end surface of the side plate (9-2);
the hinged connecting pieces (9-5) are transversely connected with the bottom plates (9-3), and the connecting hinges (9-6) are longitudinally connected with the bottom plates (9-3);
the side edge of the steel plate type piezoelectric power generation layer (4-1) is provided with a first red-green diode (15), the first red-green diode (15) is connected with a first electric energy storage (12) through a first lead (13), and the first red-green diode (15) is connected with a spare connector lug (15-1).
3. Snow-melting blanket as claimed in claim 1, wherein said base plate (16) is made of nylon board, epoxy glass fibre board or bakelite board; the first force transmission component (17-3) is made of carbon steel or alloy steel;
the threaded connecting piece (16-2) is transversely connected with each substrate (16), and the threaded connecting piece (16-2) is matched with a high-strength nut by adopting a high-strength single-head non-full-tooth screw;
the top of the first force transmission component (17-3) is slightly higher than the top of the base plate (16);
the side edge of the substrate type piezoelectric power generation layer (4-2) is provided with a second red-green diode (20), the second red-green diode (20) is connected with a second electric energy storage (18) through a second lead (19), and the second red-green diode (20) is connected with a spare connector lug (20-1).
4. Snow blanket as claimed in claim 1, wherein said second force transfer member (23-3) is made of carbon steel or alloy steel; the top of the second force transmission component (23-3) is slightly higher than the upper end surface of the rubber base plate (21);
the side edge of the rubber substrate type piezoelectric power generation layer (4-3) is provided with a third red-green diode (25), the third red-green diode (25) is connected with the energy storage (22) through a third lead (24), and the third red-green diode (25) is connected with a spare connector lug (25-1).
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| JPH08269907A (en) * | 1995-03-31 | 1996-10-15 | Toyo Foods Syst Kk | Melting of snow on surface of land and freezing preventing structure |
| CN101413240A (en) * | 2008-11-29 | 2009-04-22 | 大连理工大学 | Method for melting snow and ice based on carbon fiber-glass fiber composite braiding net |
| CN103911934A (en) * | 2013-01-07 | 2014-07-09 | 葛以兵 | Snow thawing apparatus |
| CN203212978U (en) * | 2013-04-13 | 2013-09-25 | 长安大学 | Snowmelt deicing pavement employing piezoelectric self-generating electricity |
| CN205636413U (en) * | 2016-03-30 | 2016-10-12 | 陕西师范大学 | Piezoelectric membrane formula road surface snow melt thawing apparatus |
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