CN203212978U - Snowmelt deicing pavement employing piezoelectric self-generating electricity - Google Patents
Snowmelt deicing pavement employing piezoelectric self-generating electricity Download PDFInfo
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- CN203212978U CN203212978U CN 201320185740 CN201320185740U CN203212978U CN 203212978 U CN203212978 U CN 203212978U CN 201320185740 CN201320185740 CN 201320185740 CN 201320185740 U CN201320185740 U CN 201320185740U CN 203212978 U CN203212978 U CN 203212978U
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Abstract
The utility model discloses a snowmelt deicing pavement employing piezoelectric self-generating electricity. The snowmelt deicing pavement comprises a base layer, a lower surface layer, a middle surface layer and an upper surface layer which are orderly arranged from bottom to top, wherein the upper surface layer is formed by conductive asphalt concrete, and a positive electrode and a negative electrode which are buried inside the conductive asphalt concrete; a piezoelectric heating layer is arranged between the middle surface layer and the upper surface layer; a heating resistance wire, a piezoelectric stack transducer and a storage battery are buried inside the piezoelectric heating layer; the storage battery is used for collecting electric energy converted by the piezoelectric stack transducer for heating the heating resistance wire, the positive electrode and the negative electrode; the piezoelectric stack transducer is connected with the storage battery through a bridge rectifier circuit and a wave voltage-regulating circuit, which are orderly connected; the storage battery is connected with the heating resistance wire, the positive electrode and the negative electrode through a temperature control switch. The snowmelt deicing pavement is simple in structure, reasonable in design, high in intelligent degree, environment-friendly and economic, good in snowmelt effect, and wide in application range; snowmelt deicing can be automatically finished without a manual operation; the normal traffic order is not affected.
Description
Technical field
The utility model relates to a kind of deicing or snow melting road surface, especially relates to a kind of deicing or snow melting road surface of piezoelectric self electricity.
Background technology
Communications and transportation is the main artery of national economy, and immeasurable effect is played in the development of whole national economy.But the snowfall ice formation issues of the safety problem of road, especially road way face, having become the road worker needs one of difficult problem of emphasis solution.
At present, the method for deicing in winter mainly contains two types, mechanical removal method and melt division.Mechanical Method is suitable for large tracts of land mechanization and removes operation, but often needs to finish behind snow, impedes traffic in the operation; After icy on road, thoroughly remove difficulty; Ice and snow is rooted out machinery and is subjected to seasonal effect bigger, and utilization rate is low.Melt division and comprise that chemistry melts division and hot fusion method.
Chemistry snow melt method is mainly relied on chemical thawing agent, this method have material source extensively, low price, change ice and snow be effective, can play anti-skidding effect, once by widespread usage.The chemistry snow melt needs the later stage cleaning, and environment pollution is serious, often causes serious water resource pollution.In addition, to reinforcing bar, road surface, row fortune instrument seriously corroded, need enormous expenditure repairing road and bridge, economic loss is huge.At present, many countries and regions have begun to forbid chemical snow melt mode, advocate the machinery mode that clears the snow that adopts in conventional highway section.In important highway section, as special sectors such as airfield runway, bridge, tunnel import and export, highway toll exit, bend, Po Lu, parking lots, automatic thermal control snow melt mode is used in suggestion.Make hot deicing or snow melting technology face new opportunity.
Hot fusion method is to adopt the mode of heating to make ice dissolution, mainly contains cable heating, conducting concrete or pitch and thermal fluid circulation method etc.The former directly consumes electric power, and the energy utilization rate limit is 1:1, needs powerful electric power resource to do backing; The latter hot fluid cyclic transformation equipment (as heat pump) can be realized the energy conversion efficiency that 1:4 is above, but needs complicated pipeline is installed, and expense is higher.By the effective utilization such as regenerative resources such as ground energy, solar energy, and seasonal accumulation of energy utilization, can reach higher energy utilization rate, but these all face the problem of the restriction in service condition and area equally, complex process, less economical.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of deicing or snow melting road surface of piezoelectric self electricity is provided, it is simple in structure, reasonable in design, need not manual control and just can finish deicing or snow melting automatically, intelligent degree height, not only environmental protection but also economy, snow melt is effective, does not influence normal traffic order, and is applied widely.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of deicing or snow melting road surface of piezoelectric self electricity, comprise the basic unit that arranges from top to bottom successively, following surface layer, middle surface layer and upper layer, it is characterized in that: described upper layer is made of conductive asphalt concrete and the positive electrode and the negative electrode that are embedded in the conductive asphalt concrete, be provided with the piezoelectricity heating layer between surface layer and the upper layer in described, be embedded with heating resistance wire in the described piezoelectricity heating layer and be used for traffic load mechanical energy is converted into the piezoelectric stack transducer of electric energy, and the electricity collection that is used for that the piezoelectric stack transducer is transformed out is got up for heating resistance wire, the battery that positive electrode and negative electrode heating are used, described piezoelectric stack transducer joins by the bridge commutating circuit that joins successively and filter regulator circuit and described battery, and described battery is by temperature detect switch (TDS) and described heating resistance wire, positive electrode and negative electrode join.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity is characterized in that: be provided with isolation layer between surface layer and the described piezoelectricity heating layer in described.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity, it is characterized in that: the quantity of described piezoelectric stack transducer is a plurality of and evenly is laid in the wheel trajectories band position on described deicing or snow melting road surface that a plurality of described piezoelectric stack transducer series connection back joins with the bridge commutating circuit.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity, it is characterized in that: the quantity of described positive electrode and the quantity of described negative electrode equate and be a plurality of, the inboard of described positive electrode and the negative electrode wheel trajectories band on described deicing or snow melting road surface mutual arranged in a crossed manner.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity is characterized in that: the quantity of described heating resistance wire is many and is laid in the inboard of the wheel trajectories band on described deicing or snow melting road surface.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity, it is characterized in that: described piezoelectric stack transducer is made of by the piezoelectric ceramic piece that conducting resinl is bonded together multi-disc, the positive pole of the described piezoelectric ceramic piece of multi-disc is electrically connected and draws relatively and by positive wire, and the negative pole of the described piezoelectric ceramic piece of multi-disc is electrically connected and draws relatively and by cathode conductor.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity is characterized in that: described piezoelectric ceramic piece is PZT-5H type piezoelectric ceramic piece.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity is characterized in that: described temperature detect switch (TDS) is bimetal plate temperature controling switch.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity, it is characterized in that: described bimetal plate temperature controling switch comprises cavity, be arranged on first sheet metal and second sheet metal of inside cavity, and symmetry is fixed on first fixed end and second fixed end at cavity two ends, one end of described first sheet metal is fixedlyed connected with described first fixed end, the other end bottom of described first sheet metal is fixedly connected with first movable contact, one end of described second sheet metal is fixedlyed connected with described second fixed end, and the other end top of described second sheet metal is fixedly connected with second movable contact that matches with described first movable contact.
The deicing or snow melting road surface of above-mentioned a kind of piezoelectric self electricity is characterized in that: the thickness of described piezoelectricity heating layer is 15mm～25mm.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, and is reasonable in design, and it is convenient to realize.
2, the temperature detect switch (TDS) that adopts of the utility model can satisfy the needs of the utility model automatically working, need not manual control, just can finish deicing or snow melting automatically, intelligent degree height, and the deicing or snow melting effect has also had very big improvement.
3, the utility model at first is converted into electric energy to the mechanical energy of traffic load by the piezoelectric stack transducer, stored by battery, be used as the energy source of resistive heater, positive electrode and negative electrode work, dispense with outer connecting power, just can finish deicing or snow melting, not only environmental protection but also economy, and overcome the difficult problem of electric energy shortage from far-off regions.
4, the mutual inboard of the wheel trajectories band on described deicing or snow melting road surface arranged in a crossed manner of the utility model positive electrode and negative electrode, because the main path of raising conductive asphalt concrete heating power is to reduce electrode spacing and increase voltage, and the voltage of battery output is certain, therefore, positive electrode and negative electrode are alternately buried underground, can not make the meaningless increase of distance between positive electrode and the negative electrode, make its operating efficiency better, and homogeneous heating.
5, the utility model can be when icy on road timely deicing or snow melting, the conductive asphalt concrete of upper layer can make whole surface layer keep certain temperature, under the situation of persistent fever, has certain self-healing ability, can reduce the generation of road surface cold cracking disease effectively, and because the piezoelectricity heating layer is embedded under the upper layer, so can not influence normal traffic order deicing or snow melting work the time.
6, of the present utility model practical, result of use is good, can be widely used in cement concrete and asphalt concrete pavement deicing or snow melting, is applicable to various highways and urban road, has good benefit and application prospect.
In sum, the utility model is simple in structure, and is reasonable in design, and need not manual control and just can finish deicing or snow melting automatically, intelligent degree height, not only environmental protection but also economy, snow melt is effective, does not influence normal traffic order, and is applied widely.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model piezoelectric stack transducer and the burial place schematic diagram of heating resistance wire in the piezoelectricity heating layer.
Fig. 3 is schematic block circuit diagram of the present utility model.
Fig. 4 is the structural representation of the utility model piezoelectric stack transducer.
Fig. 5 is the structural representation of the utility model temperature detect switch (TDS).
Description of reference numerals:
1-basic unit; 2-following surface layer; 3-middle surface layer;
4-isolation layer; 5-piezoelectricity heating layer; 6-upper layer;
7-heating resistance wire; 8-piezoelectric stack transducer; 8-1-piezoelectric ceramic piece;
8-2-positive wire; 8-3-cathode conductor; 9-battery;
10-bridge commutating circuit; 11-filter regulator circuit; 12-temperature detect switch (TDS);
12-1-cavity; 12-2-first sheet metal; 12-3-second sheet metal;
12-4-first fixed end; 12-5-second fixed end; 12-6-first movable contact;
12-7-second movable contact; 13-1-positive electrode; 13-2-negative electrode.
The specific embodiment
As depicted in figs. 1 and 2, the utility model comprises the basic unit 1 that arranges from top to bottom successively, following surface layer 2, middle surface layer 3 and upper layer 6, described upper layer 6 is made of conductive asphalt concrete and the positive electrode 13-1 and the negative electrode 13-2 that are embedded in the conductive asphalt concrete, be provided with piezoelectricity heating layer 5 between surface layer 3 and the upper layer 6 in described, be embedded with heating resistance wire 7 in the described piezoelectricity heating layer 5 and be used for traffic load mechanical energy is converted into the piezoelectric stack transducer 8 of electric energy, and the electricity collection that is used for that piezoelectric stack transducer 8 is transformed out is got up for heating resistance wire 7, the battery 9 that positive electrode 13-1 and negative electrode 13-2 heating are used, described piezoelectric stack transducer 8 joins with described battery 9 by bridge commutating circuit 10 and the filter regulator circuit 11 that joins successively, and described battery 9 is by temperature detect switch (TDS) 12 and described heating resistance wire 7, positive electrode 13-1 and negative electrode 13-2 join.
As shown in Figure 1, in the present embodiment, be provided with isolation layer 4 between surface layer 3 and the described piezoelectricity heating layer 5 in described, prevent the loss of loosing under the heat that piezoelectricity heating layer 5 produces.During concrete enforcement, described isolation layer 4 can adopt the carbon fiber felt with high heat-proof quality to make, and makes it and piezoelectricity heating layer 5 and middle surface layer 3 bondings with high-viscosity asphalt.
As shown in Figures 2 and 3, in the present embodiment, the quantity of described piezoelectric stack transducer 8 is a plurality of and evenly is laid in the wheel trajectories band position on described deicing or snow melting road surface that a plurality of described piezoelectric stack transducers 8 series connection backs join with bridge commutating circuit 10.The quantity of the quantity of described positive electrode 13-1 and described negative electrode 13-2 equate and be a plurality of, the inboard of described positive electrode 13-1 and the negative electrode 13-2 wheel trajectories band on described deicing or snow melting road surface mutual arranged in a crossed manner.The quantity of described heating resistance wire 7 is many and is laid in the inboard of the wheel trajectories band on described deicing or snow melting road surface.Above laying mode can make energy transform, collect and the efficient of heating reaches the highest.During concrete enforcement, heating resistance wire 7 with the embedding manner of piezoelectric stack transducer 8 in piezoelectricity heating layer 5 is: earlier heating resistance wire 7 is connected according to set mode with piezoelectric stack transducer 8, be laid on the isolation layer 4 then and be positioned at wheel trajectories band position, carry out paving, rolling of piezoelectricity heating layer 5 at last.
As shown in Figure 4, in the present embodiment, described piezoelectric stack transducer 8 is made of by the piezoelectric ceramic piece 8-1 that conducting resinl is bonded together multi-disc, the positive pole of the described piezoelectric ceramic piece 8-1 of multi-disc is electrically connected and draws relatively and by positive wire 8-2, and the negative pole of the described piezoelectric ceramic piece 8-1 of multi-disc is electrically connected and draws relatively and by cathode conductor 8-3.Particularly, described piezoelectric ceramic piece 8-1 is PZT-5H type piezoelectric ceramic piece.In order to improve the intensity of piezoelectric stack transducer 8, can adopt epoxy encapsulation earlier, and then bury underground.
As shown in Figure 5, in the present embodiment, described temperature detect switch (TDS) 12 is bimetal plate temperature controling switch.Described bimetal plate temperature controling switch comprises cavity 12-1, be arranged on the first sheet metal 12-2 and the second sheet metal 12-3 of cavity 12-1 inside, and symmetry is fixed on the first fixed end 12-4 and the second fixed end 12-5 at cavity two ends, the end of the described first sheet metal 12-2 is fixedlyed connected with the described first fixed end 12-4, the other end bottom of the described first sheet metal 12-2 is fixedly connected with the first movable contact 12-6, the end of the described second sheet metal 12-3 is fixedlyed connected with the described second fixed end 12-5, and the other end top of the described second sheet metal 12-3 is fixedly connected with the second movable contact 12-7 that matches with the described first movable contact 12-6.During concrete enforcement, described cavity 12-1 is made by the metal material of good heat conductivity, and intensity is greater than the pressure of traffic load generation; All leave certain clearance between cavity 12-1 and the first sheet metal 12-2 and the second sheet metal 12-3, prevent that the first sheet metal 12-2 from contacting and connection circuit with cavity 12-1 with the second sheet metal 12-3; Decide according to the first sheet metal 12-2 and the temperature variant degree of the second sheet metal 12-3 that adopt in gap between the first movable contact 12-6 and the second movable contact 12-7, and the first movable contact 12-6 and the second movable contact 12-7 can contacted requirements when the need satisfied temperature was below the freezing point; Suitably select the material of the first sheet metal 12-2 and the second sheet metal 12-3 and adjust the first sheet metal 12-2 and the second sheet metal 12-3 between the gap, can satisfy different operating temperature needs.The operating principle of described bimetal plate temperature controling switch is the object principle of expanding with heat and contracting with cold, particularly, the two sides of the first sheet metal 12-2 and the second sheet metal 12-3 is the conductor of different material, under the temperature that changes owing to breathing degree varies sample makes the first sheet metal 12-2 and the second sheet metal 12-3 bending, make the movable contact 12-6 that wins meet the second movable contact 12-7, heating resistance wire 7 is communicated with battery 9, and circuit is started working.
In the present embodiment, the thickness of described piezoelectricity heating layer 5 is 15mm～25mm.During concrete enforcement, described piezoelectricity heating layer 5 can be composited by coarse aggregate, fine aggregate, pitch, thermal conductivity filler and breeze, and the thermal conductivity filler can be selected one or more the mixture in carbon black, graphite powder and the carbon fibre for use.The thermal conductivity filler can greatly improve the heat conductivility of piezoelectricity heating layer 5.
Operating principle of the present utility model and the course of work are: the longitudinal pressure to the deicing or snow melting road surface in the vehicle traveling process is delivered on the piezoelectric stack transducer 8 through upper layer 6, constitute the stressed generation deformation of piezoelectric ceramic piece 8-1 of piezoelectric stack transducer 8 and produce alternating current, bridge commutating circuit 10 is stored in the battery 9 alternating current of piezoelectric stack transducer 8 outputs is become direct current and the filtering processing through filter regulator circuit 11 behind over commutation after, temperature detect switch (TDS) 12 is used for the initial operating temperature of control heating resistance wire 7, when temperature is reduced to a certain temperature value, temperature detect switch (TDS) 12 closures, heating resistance wire 7 is connected with battery 9, heating resistance wire 7 is started working, and reaches the purpose of deicing or snow melting with this.The heat that isolation layer 4 is used for stoping heating resistance wire 7 to produce dissipates downwards, improves the efficient of deicing or snow melting.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (10)
1. the deicing or snow melting road surface of a piezoelectric self electricity, comprise the basic unit (1) that arranges from top to bottom successively, following surface layer (2), middle surface layer (3) and upper layer (6), it is characterized in that: described upper layer (6) is by conductive asphalt concrete and be embedded in positive electrode (13-1) in the conductive asphalt concrete and negative electrode (13-2) constitutes, be provided with piezoelectricity heating layer (5) between surface layer (3) and the upper layer (6) in described, be embedded with heating resistance wire (7) in the described piezoelectricity heating layer (5) and be used for traffic load mechanical energy is converted into the piezoelectric stack transducer (8) of electric energy, and the electricity collection that is used for that piezoelectric stack transducer (8) is transformed out is got up for heating resistance wire (7), the battery (9) that positive electrode (13-1) and negative electrode (13-2) heating are used, described piezoelectric stack transducer (8) joins with described battery (9) by bridge commutating circuit (10) and the filter regulator circuit (11) that joins successively, and described battery (9) is by temperature detect switch (TDS) (12) and described heating resistance wire (7), positive electrode (13-1) and negative electrode (13-2) join.
2. according to the deicing or snow melting road surface of the described a kind of piezoelectric self electricity of claim 1, it is characterized in that: be provided with isolation layer (4) between surface layer (3) and the described piezoelectricity heating layer (5) in described.
3. according to the deicing or snow melting road surface of claim 1 or 2 described a kind of piezoelectric self electricity, it is characterized in that: the quantity of described piezoelectric stack transducer (8) is a plurality of and evenly is laid in the wheel trajectories band position on described deicing or snow melting road surface that a plurality of described piezoelectric stack transducers (8) series connection back joins with bridge commutating circuit (10).
4. according to the deicing or snow melting road surface of claim 1 or 2 described a kind of piezoelectric self electricity, it is characterized in that: the quantity of the quantity of described positive electrode (13-1) and described negative electrode (13-2) equates and is a plurality of that described positive electrode (13-1) and negative electrode (13-2) be the inboard of the wheel trajectories band on described deicing or snow melting road surface arranged in a crossed manner mutually.
5. according to the deicing or snow melting road surface of claim 1 or 2 described a kind of piezoelectric self electricity, it is characterized in that: the quantity of described heating resistance wire (7) is many and is laid in the inboard of the wheel trajectories band on described deicing or snow melting road surface.
6. according to the deicing or snow melting road surface of claim 1 or 2 described a kind of piezoelectric self electricity, it is characterized in that: the piezoelectric ceramic piece (8-1) that described piezoelectric stack transducer (8) is bonded together by conducting resinl by multi-disc constitutes, the positive pole of the described piezoelectric ceramic piece of multi-disc (8-1) is electrically connected and draws relatively and by positive wire (8-2), and the negative pole of the described piezoelectric ceramic piece of multi-disc (8-1) is electrically connected and draws relatively and by cathode conductor (8-3).
7. according to the deicing or snow melting road surface of the described a kind of piezoelectric self electricity of claim 6, it is characterized in that: described piezoelectric ceramic piece (8-1) is PZT-5H type piezoelectric ceramic piece.
8. according to the deicing or snow melting road surface of claim 1 or 2 described a kind of piezoelectric self electricity, it is characterized in that: described temperature detect switch (TDS) (12) is bimetal plate temperature controling switch.
9. according to the deicing or snow melting road surface of the described a kind of piezoelectric self electricity of claim 8, it is characterized in that: described bimetal plate temperature controling switch comprises cavity (12-1), be arranged on cavity (12-1) inner first sheet metal (12-2) and second sheet metal (12-3), and symmetry is fixed on first fixed end (12-4) and second fixed end (12-5) at cavity two ends, one end of described first sheet metal (12-2) is fixedlyed connected with described first fixed end (12-4), the other end bottom of described first sheet metal (12-2) is fixedly connected with first movable contact (12-6), one end of described second sheet metal (12-3) is fixedlyed connected with described second fixed end (12-5), and the other end top of described second sheet metal (12-3) is fixedly connected with second movable contact (12-7) that matches with described first movable contact (12-6).
10. according to the deicing or snow melting road surface of claim 1 or 2 described a kind of piezoelectric self electricity, it is characterized in that: the thickness of described piezoelectricity heating layer (5) is 15mm～25mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320185740 CN203212978U (en) | 2013-04-13 | 2013-04-13 | Snowmelt deicing pavement employing piezoelectric self-generating electricity |
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| CN 201320185740 CN203212978U (en) | 2013-04-13 | 2013-04-13 | Snowmelt deicing pavement employing piezoelectric self-generating electricity |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669151A (en) * | 2013-12-09 | 2014-03-26 | 长安大学 | Piezoelectric asphalt concrete and power generation pavement structure thereof |
| CN105246180A (en) * | 2015-11-11 | 2016-01-13 | 郑家福 | Heat generation body adopting different materials to generate heat together |
| CN105672095A (en) * | 2016-03-30 | 2016-06-15 | 陕西师范大学 | Piezoelectric film type pavement snow-melting and deicing device |
| CN106320138A (en) * | 2016-08-24 | 2017-01-11 | 中国建筑材料科学研究总院 | Rain and snow prevention pavement achieving solar phase change heat storage |
| CN106930599A (en) * | 2015-12-31 | 2017-07-07 | 王圣玉 | The steel structure platform that steel structure platform frame unit and assembling build |
| CN107130496A (en) * | 2017-05-18 | 2017-09-05 | 长安大学 | A kind of snow-melting blanket based on piezo-electric generating |
| CN108894077A (en) * | 2018-08-31 | 2018-11-27 | 湖北工业大学 | Overpass deicing or snow melting power supply device and overpass deicing or snow melting system |
| CN109898388A (en) * | 2019-03-25 | 2019-06-18 | 中国市政工程西北设计研究院有限公司 | Road surface structure and intelligent deicing or snow melting processing system suitable for cold district |
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2013
- 2013-04-13 CN CN 201320185740 patent/CN203212978U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669151A (en) * | 2013-12-09 | 2014-03-26 | 长安大学 | Piezoelectric asphalt concrete and power generation pavement structure thereof |
| CN105246180A (en) * | 2015-11-11 | 2016-01-13 | 郑家福 | Heat generation body adopting different materials to generate heat together |
| CN106930599A (en) * | 2015-12-31 | 2017-07-07 | 王圣玉 | The steel structure platform that steel structure platform frame unit and assembling build |
| CN105672095A (en) * | 2016-03-30 | 2016-06-15 | 陕西师范大学 | Piezoelectric film type pavement snow-melting and deicing device |
| CN106320138A (en) * | 2016-08-24 | 2017-01-11 | 中国建筑材料科学研究总院 | Rain and snow prevention pavement achieving solar phase change heat storage |
| CN107130496A (en) * | 2017-05-18 | 2017-09-05 | 长安大学 | A kind of snow-melting blanket based on piezo-electric generating |
| CN108894077A (en) * | 2018-08-31 | 2018-11-27 | 湖北工业大学 | Overpass deicing or snow melting power supply device and overpass deicing or snow melting system |
| CN109898388A (en) * | 2019-03-25 | 2019-06-18 | 中国市政工程西北设计研究院有限公司 | Road surface structure and intelligent deicing or snow melting processing system suitable for cold district |
| CN109898388B (en) * | 2019-03-25 | 2024-07-12 | 中国市政工程西北设计研究院有限公司 | Road pavement structure and intelligent snow-melting and ice-melting processing system suitable for cold areas |
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| CB03 | Change of inventor or designer information |
Inventor after: Li Rui Inventor after: Xiao Yicheng Inventor after: Yuan Tengfei Inventor after: Zhao Xiaokang Inventor after: Li Yanwei Inventor after: Shi Xin Inventor after: Du Qunle Inventor after: Pei Jianzhong Inventor before: Li Rui Inventor before: Xiao Yicheng Inventor before: Zhao Xiaokang Inventor before: Li Yanwei Inventor before: Shi Xin Inventor before: Du Qunle Inventor before: Pei Jianzhong |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI RUI XIAO YICHENG ZHAO XIAOKANG LI YANWEI SHI XIN DU QUNLE PEI JIANZHONG TO: LI RUI XIAO YICHENG YUAN TENGFEI ZHAO XIAOKANG LI YANWEI SHI XIN DU QUNLE PEI JIANZHONG |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |