CN112663432A - Pavement structure - Google Patents
Pavement structure Download PDFInfo
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- CN112663432A CN112663432A CN202011509328.8A CN202011509328A CN112663432A CN 112663432 A CN112663432 A CN 112663432A CN 202011509328 A CN202011509328 A CN 202011509328A CN 112663432 A CN112663432 A CN 112663432A
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Abstract
The application provides a road surface structure belongs to wireless charging system and optimizes the field. The pavement structure comprises a solar power generation panel and a transmitting coil. The solar panel is arranged on the side of the road surface. The transmitting coil is pre-buried in a driving pavement and used for being matched with a receiving coil of an automobile to be charged, a wrapping layer containing magnetic stone is arranged on the surface of the transmitting coil, and the transmitting coil generates alternating current and a magnetic field when being electrified so that the automobile to be charged generates current through a cutting magnetic field and receives electric energy through the receiving coil. Set up the parcel layer that contains the magnetism building stones through transmitting coil's surface, reducible coil is in the inside influence that produces road structure atress itself of road, improves road surface structure's intensity, reduces the deformation of road surface course at the coil position, reaches the effect of strengthening magnetic field reinforcing charge efficiency, need not to do extra special treatment to road surface material and construction simultaneously, only need to be equipped with the transmitting coil who wraps up the layer bury underground under the surface course can, be convenient for construction and the maintenance punishment in later stage.
Description
Technical Field
The invention relates to the field of optimization of wireless charging systems, in particular to a pavement structure.
Background
The photovoltaic intelligent road is a bearing type high-speed photovoltaic road surface, and the uppermost layer is a semitransparent novel material similar to ground glass, and the friction coefficient of the road is higher than that of a traditional asphalt road surface. The tire has high light transmittance while guaranteeing that the tire does not slip, so that sunlight can penetrate through the tire, the solar cell below the tire converts light energy into electric energy, and the electric energy is transmitted to a power grid in real time to be like a huge 'charger baby'. In winter, the road surface can also convert light energy into heat energy to melt frozen snow, thereby ensuring the driving safety.
However, the electromagnetic transmission effective power of the existing photovoltaic intelligent road is low, the energy loss is high, the construction is complex, and the strength needs to be improved.
Disclosure of Invention
It is an object of the present application to provide a pavement structure to solve the above technical problems.
The application can be realized as follows:
the application provides a road surface structure, it includes solar panel and transmitting coil.
The solar panel is arranged on the side edge of the road surface and used for supplying power for the transmitting coil.
The transmitting coil is pre-buried in a driving pavement and used for being matched with a receiving coil installed on an automobile to be charged, a wrapping layer containing magnetic stone is arranged on the surface of the transmitting coil, and the transmitting coil is used for generating alternating current and a magnetic field when being electrified so that the automobile to be charged generates current through cutting the magnetic field and receives electric energy through the receiving coil so as to charge the automobile.
In an alternative embodiment, the strength of the magnetic stone is 70MPa to 100 MPa.
In an alternative embodiment, the transmitting coils are laid at equidistant intervals in the direction of traffic within the traffic surface.
In an alternative embodiment, the magnetic field generated by the transmitter coil is oriented perpendicular to the roadway surface.
In an alternative embodiment, the driving surface comprises a surface layer and a base layer located below the surface layer, the transmitting coil being pre-arranged in the base layer.
In an alternative embodiment, the base layer includes a first base layer and a second base layer arranged from top to bottom, and the transmitting coil is pre-arranged on one side of the first base layer close to the surface layer.
In an alternative embodiment, the material of the facing comprises macadam. Preferably, the average particle size of the crushed stone of mastic asphalt is 10 to 30 cm.
In an alternative embodiment, the material of the first substrate comprises water-stable macadam. Preferably, the average particle size of the water-stable macadam is 15-60 cm.
In an alternative embodiment, the material of the second substrate comprises graded crushed stone. Preferably, the graded crushed stone has an average particle size of 15-60 cm.
In an alternative embodiment, the inner side of the wrapping layer of the transmitting coil is further provided with a transmitting coil protective layer.
In an alternative embodiment, the solar panel is disposed on a side of the roadway facing the sun.
In an alternative embodiment, the solar panel is equipped with an electrical energy conversion storage device.
In an optional embodiment, the solar power generation panel comprises a tempered glass layer, an absorption layer and a cell sheet layer which are sequentially arranged from top to bottom.
In an alternative embodiment, the material of the absorbing layer is a transparent absorbing material.
In an alternative embodiment, the material of the cell layer comprises a crystalline silicon solar cell sheet or a thin film solar cell sheet.
In an alternative embodiment, a concrete protective layer for connecting the side slope is further provided below the cell sheet layer of the solar power generation panel.
In an alternative embodiment, the pavement structure further comprises a pavement attachment, and the solar panel is electrically connected to the pavement attachment.
In an alternative embodiment, the roadway accessory includes at least one of a street light, an electronic sign, and a signal light.
In an alternative embodiment, the pavement structure further comprises an electrical energy transmission efficiency device.
The electric energy transmission efficiency device is preset in the driving pavement and electrically connected with the transmitting coil and the solar power generation panel so as to be used for detecting the transmission efficiency of the transmitting coil.
In an alternative embodiment, the power transmission efficiency device has a power parameter detection unit, and the power parameter detection unit is configured to transmit a detection signal to the transmitting coil and receive a feedback signal of the transmitting coil for instructing to selectively switch the power supply mode of the solar panel.
The beneficial effect of this application includes:
the application provides a road surface structure sets up the parcel layer that contains magnetic stone material through the surface at transmitting coil, can reduce the coil in the inside influence that produces road structure atress itself of road, improve road surface structure's intensity, reduce the deformation of road surface layer at the coil position, and reach the effect of strengthening magnetic field reinforcing charge efficiency, this kind of mode of setting up need not to do extra special treatment to road surface material and construction simultaneously, only need to be equipped with the transmitting coil on parcel layer bury underground under the surface course can, be convenient for construction and the maintenance treatment in later stage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a pavement structure provided in an embodiment of the present application.
Icon: 1-a solar power generation panel; 2-a transmitting coil; 3-a receiving coil; 4-electric energy transmission efficiency device; 5-a wrapping layer; 61-surface layer; 62-a first base layer; 63-second base layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Examples
Referring to fig. 1, the present embodiment provides a road surface structure, which includes a solar panel 1 and a transmitting coil 2.
Wherein, solar panel 1 sets up in the road surface side and is used for supplying power for transmitting coil 2.
The transmitting coil 2 is pre-buried in the driving pavement and is used for being matched with a receiving coil 3 installed on an automobile to be charged, a wrapping layer 5 containing magnetic stone is arranged on the surface of the transmitting coil 2, and the transmitting coil 2 is used for generating alternating current and a magnetic field when being electrified so that the automobile to be charged generates current through a cutting magnetic field and receives electric energy through the receiving coil 3 to charge the automobile.
The receiving coil 3 can be installed at the bottom of the vehicle to be charged, for example, and is used for receiving the electric energy generated by cutting the magnetic induction lines so as to charge the electric vehicle.
It is worth to say that the material for preparing the coating 5 is a mixture in which (high-strength) magnetic stones mainly act as a skeleton. The wrapping layer 5 is laid on the periphery of the transmitting coil 2 in the traveling direction to enhance the influence of the magnetic field and improve the road surface strength.
In an alternative embodiment, the strength of the magnetic stone is 70MPa to 100MPa, such as 70MPa, 80MPa, 90MPa or 100MPa, etc. The magnetic stone material with the strength can improve the strength of a pavement structure, reduce the deformation of a road surface layer 61 at the position of a coil, and achieve the effect of strengthening the magnetic field and enhancing the charging efficiency.
In the present application, the transmitting coil 2 may be only 1 coil or may be a plurality of coils. When it is a plurality of coils, the transmitting coils 2 are laid at equal intervals in the traveling direction within the traveling road surface. Furthermore, it is of course not excluded that the transmitting coils 2 are laid at unequally spaced intervals in the traffic direction within the traffic surface. The former is more beneficial to the uniform charging of the electric automobile to be charged.
In an optional embodiment, the direction of the magnetic field generated by the transmitting coil 2 is perpendicular to the driving road surface, which is more beneficial to charging the electric automobile.
In an alternative embodiment, the traffic surface comprises a surface layer 61 and a base layer located below the surface layer 61, in which the transmitting coil 2 is predisposed. In the above process, the transmitting coil 2 is embedded in the base layer below the pavement surface layer 61 and is used for generating alternating current when being electrified and generating a changing magnetic field by utilizing an electromagnetic effect.
Wherein, the base layer includes first base layer 62 and second base layer 63 from top to bottom setting, and transmitting coil 2 predetermines in the first base layer 62 and is close to the one side of surface course 61, also predetermines in the upper portion of first base layer 62 promptly.
In an alternative embodiment, the material of cover 61 comprises mastic asphalt. As a reference, the average particle size of the crushed stone of mastic asphalt may be 18 cm. In other embodiments, the average particle size of the macadam may be any other particle size within the range of 10-30cm, such as 10cm, 12cm, 15cm, 20cm, 25cm, or 30 cm.
In an alternative embodiment, the material of the first substrate 62 includes water-stable macadam. The average particle size of the water-stable macadam may be 36cm, as a reference. In other embodiments, the average particle size of the crushed stone may be any other particle size within the range of 15-60cm, such as 15cm, 20cm, 25cm, 30cm, 35cm, 40cm, 45cm, 50cm, 55cm, 60cm, etc.
In an alternative embodiment, the material of the second substrate 63 includes graded crushed stone. The graded crushed stone may have an average particle size of 16cm, as a reference. In other embodiments, the graded crushed stone may have an average particle size ranging from 15 to 60cm, such as 15cm, 20cm, 25cm, 30cm, 35cm, 40cm, 45cm, 50cm, 55cm, or 60 cm.
Preferably, the inner side of the wrapping layer 5 of the transmitting coil 2 is further provided with a protecting layer of the transmitting coil 2, that is, the surface of the transmitting coil 2 is sequentially provided with the protecting layer and the wrapping layer 5 from inside to outside. Can further protect transmitting coil 2 through setting up the protective layer, avoid it to take place deformation to further play the effect of strengthening the magnetic strength reinforcing charge efficiency.
Bear, magnetic material parcel layer 5 wraps up as mixture skeleton and to transmitting coil 2 with the magnetic stone material of high strength, this parcel layer 5 paves in 2 peripheries of transmitting coil along the driving direction, can reduce the coil in the inside influence that produces road structure atress itself of road, improve road surface structure's intensity, reduce the deformation of road surface layer 61 at the coil position, and reach the effect of strengthening magnetic field reinforcing charge efficiency, this kind of mode of setting need not to do extra special treatment to road surface material and construction simultaneously, only need to be equipped with the transmitting coil 2 of parcel layer 5 bury underground under surface layer 61 can, be convenient for construction and the maintenance punishment in later stage.
In an alternative embodiment, the solar panel 1 is arranged on a side edge of the road surface facing the sun. In reference, the solar panel 1 is fixedly disposed on a side slope of the road surface facing the sun. Wear-resisting and bear the weight of the scheduling problem need be considered in contrast photovoltaic road surface panel, and it is easier to install solar charging panel on the slope to can reduce charging system area occupied, can also play the effect of stabilizing the slope simultaneously.
The solar power generation panel 1 is provided with an electric energy conversion and storage device for converting the received solar energy into electric energy and realizing transmission and storage of the electric energy.
In an alternative embodiment, the solar panel 1 includes a tempered glass layer, an absorption layer, and a cell sheet layer sequentially arranged from top to bottom. The absorption layer plays a role in absorbing solar energy, and the cell sheet layer mainly performs photoelectric conversion and storage on the collected solar energy.
The material of the absorption layer is, by reference, a transparent absorption material. The material of the cell layer comprises a crystalline silicon solar cell or a thin film solar cell. It should be noted that the "thin film" herein means a film having a thickness of 1cm to 2 cm.
Further, a concrete protective layer for connecting a side slope is further arranged below the cell sheet layer of the solar power generation panel 1, so that the side slope can be stabilized.
In an alternative embodiment, the pavement structure further comprises a pavement attachment to which the solar panel 1 is electrically connected. As a reference, the road surface accessory includes at least one of a street lamp, an electronic sign board, and a signal lamp.
That is, the solar panel 1 in the pavement structure of the present application may be connected to the transmitting coil 2 and the accessory facilities (street lamps, electronic signs, signal lamps, etc.) of the pavement, and respectively supply power to the two under specific conditions.
Further, the pavement structure of the present application further includes an electric power transmission efficiency device 4. The electric energy transmission efficiency device 4 is preset in the driving pavement and electrically connected with the transmitting coil 2 and the solar power generation panel 1, and is used for detecting the transmission efficiency of the transmitting coil 2.
The electric energy transmission efficiency device 4 has an electric energy parameter detection unit, and the electric energy parameter detection unit is used for transmitting a detection signal to the transmitting coil 2 and receiving a feedback signal of the transmitting coil 2 so as to guide the selective switching of the power supply mode of the solar power generation panel 1, thereby realizing different modes of charging and power storage.
In an alternative embodiment, the switching of the power supply mode includes:
when the feedback signal received by the power transmission efficiency device 4 indicates that the electric vehicle battery power is below 90%, the solar power generation panel 1 is used for supplying power to the transmitting coil 2.
When the feedback signal received by the electric energy transmission efficiency device 4 indicates that the electric energy of the battery of the electric vehicle is above 90%, the solar power generation panel 1 is used for supplying power to road surface auxiliary facilities (street lamps, electronic signboards, signal lamps and the like).
When the feedback signal received by the electric energy transmission efficiency device 4 indicates that the electric energy of the battery of the electric vehicle and the electric energy of the road surface auxiliary device are sufficient, the solar power generation panel 1 does not supply power to the outside any more, and the absorbed solar energy is temporarily stored in the form of electric energy. The storage is stored in the battery sheet layer and can be used for power supply in rainy days.
On the basis, three modes of charging and electricity storage are realized through the electric energy transmission efficiency device 4, including charging the electric automobile, charging the road auxiliary facilities and temporarily storing the electric energy so as to charge the electric automobile in rainy days, so that the purposes of utilizing the electric energy to the maximum extent and improving the charging efficiency can be achieved, and the requirements of energy conservation and emission reduction are met.
Comparative example 1
Comparative example 1 is the invention application publication No. CN 108292551a "apparatus for inductive energy supply to an electric vehicle or a hybrid vehicle". Comparing with the patent of the invention, the traditional concrete stone is used to replace the magnetic stone in the above embodiment, and the effective power of electromagnetic transmission is measured, and the result is as follows: the traditional concrete stone resistance is 500-5000 omega x m, the corresponding electromagnetic transmission effective power is 10-15%, the magnetic stone resistance in the embodiment of the application is 0.01-0.05 omega x m, and the corresponding electromagnetic transmission effective power is 40-50%.
Therefore, the pavement structure system for automatic charging of the vehicles, which is provided by the application, replaces the traditional concrete stone with the magnetic stone, so that the effective power of electromagnetic transmission is improved.
Comparative example 2
Comparative example 2 is the invention application with publication number CN108583360A, "a mobile vehicle wireless charging apparatus and method". This scheme need install a plurality ofly in the concrete, need arrange along the road direction simultaneously, and the interval between the coil is also fixed, and the coil installation process is very troublesome, consuming time and wasting force. Compared with the patent of the invention, the road surface structure system for automatically charging the vehicle provided by the application adopts the large coils to replace a plurality of coils, and the large coils are installed along the road driving direction, so that the energy loss of the coils is reduced, and the loss of the whole wireless power supply process is reduced.
Comparative example 3
The comparative example 3 is the invention patent with publication number CN 106026607B, namely a vehicle running self-generating system, and the scheme needs to modify the vehicle itself and cannot realize wireless charging for each vehicle. Compared with the patent of the invention, the road surface structure system for automatically charging the vehicles provided by the application only needs to replace common road surface concrete stones with magnetic stones, and the wireless charging coil can be installed in the road surface in the road trimming process, so that all vehicles can be wirelessly charged. Therefore, the road surface structure system for automatic charging of vehicles that this application provided is under construction once and just can realize the wireless charging of all vehicles, need not to be under construction repeatedly many times.
To sum up, the application provides a road surface structure sets up the parcel layer that contains magnetic stone material through the surface at transmitting coil, can reduce the coil in the inside influence that produces road structure atress itself of road, improve road surface structure's intensity, reduce the deformation of road surface layer at the coil position, and reach the effect of strengthening magnetic field reinforcing charge efficiency, this kind of mode of setting need not to do extra special treatment to road surface material and construction simultaneously, only need to be equipped with the transmitting coil of parcel layer bury underground under the surface course can, be convenient for construction and the maintenance treatment in later stage. Install solar charging panel on the side slope, wear-resisting and bear the weight of scheduling problem need be considered to contrast photovoltaic road surface panel, and it is easier to install solar charging panel on the side slope to can reduce charging system area occupied, can also play the effect of stabilizing the side slope simultaneously. The three modes of charging and electricity storage are realized through the electric energy transmission efficiency device, including charging the electric automobile, charging the road auxiliary facilities and temporarily storing the electric energy to charge the electric automobile in rainy days, so that the purposes of utilizing the electric energy to the maximum extent and improving the charging efficiency can be achieved, and the requirements of energy conservation and emission reduction are met.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A pavement structure is characterized by comprising a solar power generation panel and a transmitting coil;
the solar power generation panel is arranged on the side edge of the road surface and used for supplying power to the transmitting coil;
the transmitting coil is pre-buried in a driving road surface and used for being matched with a receiving coil installed on an automobile to be charged, a coating layer containing magnetic stone is arranged on the surface of the transmitting coil, and the transmitting coil is used for generating alternating current and a magnetic field when being electrified so that the automobile to be charged generates current by cutting the magnetic field and receives electric energy through the receiving coil so as to charge the automobile;
preferably, the strength of the magnetic stone is 70MPa to 100 MPa.
2. A pavement structure according to claim 1, characterized in that said transmitter coils are laid at equidistant intervals in a traffic direction within said traffic lane;
preferably, the direction of the magnetic field generated by the transmitting coil is perpendicular to the driving road surface.
3. A pavement structure according to claim 1 or 2, characterized in that said driving pavement comprises a facing layer and a base layer underlying said facing layer, said transmitting coil being predisposed in said base layer;
preferably, the base layer comprises a first base layer and a second base layer arranged from top to bottom, and the transmitting coil is pre-arranged on one side of the first base layer close to the surface layer;
preferably, the facing material comprises macadam mastic asphalt; more preferably, the average grain diameter of the asphalt mastic macadam is 10-30 cm;
preferably, the material of the first substrate comprises water-stable macadam; more preferably, the average particle size of the water-stable macadam is 15-60 cm;
preferably, the material of the second substrate comprises graded crushed stone; more preferably, the average particle size of the graded crushed stone is 15-60 cm.
4. A pavement structure according to claim 1, characterized in that the inside of said wrapping of said transmitter coil is further provided with a transmitter coil protective layer.
5. The pavement structure according to claim 1, wherein the solar panel is disposed on a sunny side slope of a side of the pavement;
preferably, the solar power generation panel is provided with an electric energy conversion and storage device.
6. The pavement structure according to claim 5, wherein the solar panel comprises a toughened glass layer, an absorption layer and a battery sheet layer arranged in sequence from top to bottom;
preferably, the material of the absorption layer is a transparent absorption material;
preferably, the material of the cell layer comprises a crystalline silicon solar cell sheet or a thin film solar cell sheet;
preferably, a concrete protective layer for connecting a side slope is further arranged below the cell sheet layer of the solar power generation panel.
7. A pavement structure according to claim 1, further comprising a pavement attachment, said solar panel being electrically connected to said pavement attachment.
8. The pavement structure of claim 7, wherein the roadway accessory includes at least one of a street light, an electronic sign, and a signal light.
9. The pavement structure of claim 7, further comprising an electrical energy transmission efficiency device;
the electric energy transmission efficiency device is preset in a driving pavement and electrically connected with the transmitting coil and the solar power generation panel so as to be used for detecting the transmission efficiency of the transmitting coil.
10. A pavement structure according to claim 9, wherein the power transmission efficiency device has a power parameter detection unit for transmitting a detection signal to the transmitting coil and receiving a feedback signal of the transmitting coil for directing selective switching of the power supply manner of the solar power generation panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509328.8A CN112663432A (en) | 2020-12-18 | 2020-12-18 | Pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509328.8A CN112663432A (en) | 2020-12-18 | 2020-12-18 | Pavement structure |
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| CN112663432A true CN112663432A (en) | 2021-04-16 |
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| CN202011509328.8A Pending CN112663432A (en) | 2020-12-18 | 2020-12-18 | Pavement structure |
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Application publication date: 20210416 |