CN204491356U - There is the carbon fiber compound geogrid of electric heating function - Google Patents
There is the carbon fiber compound geogrid of electric heating function Download PDFInfo
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- CN204491356U CN204491356U CN201420859409.4U CN201420859409U CN204491356U CN 204491356 U CN204491356 U CN 204491356U CN 201420859409 U CN201420859409 U CN 201420859409U CN 204491356 U CN204491356 U CN 204491356U
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Abstract
There is the carbon fiber compound geogrid of electric heating function, relate to a kind of geosynthetics, solve road snow and to freeze the problem of not easily melting.Comprise warp and parallel, described warp is glass fiber or basalt fibre, described parallel contains heating, this heating is carbon fiber, terminals are left uniformly along interval on grid edge length direction, the parallel of terminals is fixedly connected with by copper sheet joint with wire, and described terminals are all positioned at grid homonymy.The utility model not only has the functional characteristic of electrocaloric effect, and itself has higher tensile strength and lower elongation per unit length, can reduce flexure for supercrust, reduces rut, postpones crackle time of occurrence, can reduce structural thickness.Bend resistance ability can be strengthened in concrete, extend road surface anti-fatigue life.
Description
Technical field
The utility model relates to a kind of geosynthetics, specifically has the carbon fiber compound geogrid of electric heating function.
Background technology
The area of winter climate inclement condition, usually due to road freeze or accumulated snow blocked up and cause traffic congestion, even there is the situation of traffic paralysis.The road deicing snow-smelting method of snow removal with machine, the main employing at present such as snow melt salt, water spray deicing that manually removes the snow, spreads has property afterwards, be difficult to the timely removing ensureing ice and snow on road surfaces, during bad weather, ice and snow is more long-pending thicker, so that airport, speedway, railway road fork, bridge etc. are forced to close, and cause the paralysis of main artey of communications time serious.Snow melt salt also can cause pollution of waterhead, corrosion of steel bar and concrete deicer-frost damage etc.Therefore, for improving the anti-freezing disaster abilities of important traffic infrastructure such as Bridges in Our Country, speedway, airfield runway, avenge new method in the urgent need to adopting automatic thermal control road ice melting.
Automatic thermal control snow melt mode mainly contains thermal fluid circulation method, electric heating heating, conducting concrete and conductive asphalt concrete heating etc.The states such as the U.S., Japan, Switzerland, Iceland, Norway, Poland establish some thermal fluid circulation deicing or snow melting demonstration projects, achieve seasonal thermal energy storage recycling, by the solar heat-preservation in summer in underground, are used for snow melt during winter.As the Gaia engineering etc. in the Serso hot snow melt experimental project of Switzerland A8 speedway Darligen bridge, Olso, Norway capital Gardermoen airport hardstand hot circulating fluid deicing or snow melting system, Japanese Er Hu city.Roca Spur bridge on No. 77 highways of United States Nebraska is that First lays the bridge of conducting concrete snow melt on part bridge floor in the world, and laying area is 306m2, and conducting concrete layer thickness is 102mm.During energising, road surface average temperature is higher than ambient air temperature about 10 DEG C, can successfully by ice dissolution.Superior Graphite company of the U.S. develops conductive asphalt concrete snow-melting system, is applied to the places such as the taxi track on Hare airport, Chicago 0 '.In January, 2007, domestic seat of honour electric heating snow melt bridge---Wenchang, Harbin viaduct comes into operation.This bridge design grade is large, automobile climbing difficulty after snowing winter.Cost more than 200 ten thousand yuan has introduced electric heating temperature snow melt technology from Denmark for this reason, lays electric heating line at Shang Qiaochu ring road, and total laying area is 1760m2, for melting the accumulated snow at ramps of approaches place.
Although various automatic thermal control snow melt mode has application example in engineering, but also there is many shortcomings: adopt thermal fluid circulation heating road surface to need in road surface, bury intensive pipeline underground, will weaken the intensity on road surface, the faults such as the burn into seepage that buried pipeline occurs also inconvenience are safeguarded.Some electric heating adopts organic conductive composite material to make, and the long-time stability of this kind of material under complicated onsite application condition are also waited to investigate.Conducting concrete and the quality of conductive asphalt concrete heating layer own are comparatively large, and electrothermal calefactive rate is comparatively slow, and accumulation of heat is larger.Because pitch itself is non-conductive, preparing conductive asphalt concrete needs to add more conductive filler, and the difficulty be dispersed in by conductive filler in pitch is large, and conductive filler also weakens the mechanical property of bituminous concrete.。
Utility model content
The purpose of this utility model is that providing a kind of can be the geo-grid that heat energy has electric heating function by electric energy conversion, solves road snow and to freeze the problem of not easily melting.
The utility model solves the technical scheme that its technical problem adopts: the carbon fiber compound geogrid with electric heating function, it is characterized in that, geo-grid comprises warp and parallel, described warp is glass fiber or basalt fibre, described parallel contains heating, and this heating is carbon fiber, leaves terminals uniformly along interval on grid edge length direction, the parallel of terminals is fixedly connected with by copper sheet joint with wire, and described terminals are all positioned at grid homonymy.
Described parallel is pure carbon fiber.
Described parallel also comprises glass fiber or basalt fibre, and carbon fiber and glass fiber or basalt fibre mixed weaving, glass fiber or basalt fibre are positioned at carbon fiber lower floor.
Described parallel is impregnated with modified bitumen or acrylic emulsion or thermosetting resin.
Described parallel is glass fiber or basalt fibre, and parallel upper surface is fixed with carbon fiber bundle.
Described carbon fiber bundle is pasted onto on the parallel of sizing by modified bitumen or acrylic emulsion or thermosetting resin.
Described carbon fiber bundle appearance also has insulating layer and protection gauze wire cloth, and carbon fiber bundle is fixed on parallel by High temperature-resistanadhesive adhesive tape.
Described wire is copper wire, and wire is wrapped in the terminals of parallel, and copper sheet joint is wrapped in the interface of wire and terminals, and copper sheet joint external surface also scribbles one deck sealing compound.
Described carbon fiber specification can be 12K, 24K, 36K, 48K or 60K, and grid wide cut can be 0.6 ~ 7.5m, grid is divided into some electric heating units, and each electric heating unit adopts and is connected in parallel, and access voltage is 220V or 36V.
The beneficial effects of the utility model are: 1. the functional characteristic not only with electrocaloric effect, and itself have higher tensile strength and lower elongation per unit length, can reduce flexure for supercrust, reduce rut, postpone crackle time of occurrence, can reduce structural thickness.Bend resistance ability can be strengthened in concrete, extend road surface anti-fatigue life.
2. heat with thermal fluid circulation method, common electric heating, conducting concrete compares with conductive asphalt mode of heating, the utility model simple structure, low cost of manufacture, easily wiring, easily to construct in concrete, safe and reliable, good endurance, flexibility is strong.
Accompanying drawing explanation
Fig. 1 is that the utility model implements a structural representation,
Fig. 2 is the utility model embodiment two parallel schematic cross-section,
Fig. 3 is the utility model embodiment three parallel schematic cross-section,
Fig. 4 is the utility model embodiment four parallel schematic cross-section.
In figure: 1 warp, 2 parallels, 21 carbon fibers, 22 glass fiber or basalt fibre, 23 modified bitumens or acrylic emulsion or thermosetting resin, 24 High temperature-resistanadhesive adhesive tape, 25 insulating layers and protection gauze wire cloth, 3 copper sheet joints, 4 wires.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is described further.
Embodiment one, as shown in Figure 1, there is the carbon fiber compound geogrid of electric heating function, geo-grid comprises warp and parallel, and described warp is glass fiber or basalt fibre, and described parallel contains heating, this heating is carbon fiber, leave terminals uniformly along interval on grid edge length direction, the parallel of terminals is fixedly connected with by copper sheet joint with wire, and described terminals are all positioned at grid homonymy.
Described parallel is individual layer pure carbon fiber, geo-grid is that carbon fiber and glass fiber or basalt fibre weaving form, form a kind of braiding geo-grid, at the homonymy of grid, terminals are also left uniformly in carbon fiber interval, conveniently be fixedly connected with wire, being convenient to electric energy conversion after energising is heat energy.
Embodiment two, as shown in Figure 2, there is the carbon fiber compound geogrid of electric heating function, geo-grid comprises warp and parallel, and described warp is glass fiber or basalt fibre, and described parallel contains heating, this heating is carbon fiber, leave terminals uniformly along interval on grid edge length direction, the parallel of terminals is fixedly connected with by copper sheet joint with wire, and described terminals are all positioned at grid homonymy.
Described parallel is double-deck; also comprise glass fiber or basalt fibre; carbon fiber and glass fiber or basalt fibre mixed weaving; glass fiber or basalt fibre are positioned at carbon fiber lower floor; play heat insulation and protection carbon fibre acts; described parallel is impregnated with modified bitumen or acrylic emulsion or thermosetting resin, plays anchoring fiber, effect such as protection fiber and insulation etc.
Embodiment three, as shown in Figure 3, there is the carbon fiber compound geogrid of electric heating function, geo-grid comprises warp and parallel, and described warp is glass fiber or basalt fibre, and described parallel contains heating, this heating is carbon fiber, leave terminals uniformly along interval on grid edge length direction, the parallel of terminals is fixedly connected with by copper sheet joint with wire, and described terminals are all positioned at grid homonymy.
Described parallel is glass fiber or basalt fibre, and parallel upper surface is pasted with carbon fiber bundle by modified bitumen or acrylic emulsion or thermosetting resin, forms adhesive type geo-grid, and modified bitumen or acrylic emulsion or thermosetting resin play insulating effect simultaneously.
Embodiment four, as shown in Figure 4, there is the carbon fiber compound geogrid of electric heating function, geo-grid comprises warp and parallel, described warp is glass fiber or basalt fibre, described parallel contains heating, this heating is carbon fiber, terminals are left uniformly along interval on grid edge length direction, the parallel of terminals is fixedly connected with by copper sheet joint with wire, described terminals are all positioned at grid homonymy, described parallel is glass fiber or basalt fibre, parallel is pasted with carbon fiber bundle, carbon fiber bundle appearance also has insulating layer and protection gauze wire cloth, carbon fiber bundle is fixed on parallel by High temperature-resistanadhesive adhesive tape, form cable type geo-grid.
All copper sheet joint arrangement in above-described embodiment are at grid homonymy, the wire of all drawing after imbedding road surface to enable grid is arranged in the homonymy of road, be convenient to access power supply and maintenance, avoid the grid left and right sides all to have wire, cause the problem that wiring is inconvenient and in disorder.The connected mode of carbon fiber and wire is: be wrapped on carbon fiber bundle by copper wire wire, together with then winding place wraps in glass fiber or basalt fibre by employing copper sheet joint, is finally coated with sealing compound at copper sheet joint surface.Can adopt 12K, 24K, 36K, 48K or 60K carbon fiber knit, grid wide cut can be 0.6 ~ 7.5m.Wide cut is that the grid of 0.6m can be used for laying sidewalk, or local is laid on road surface, and the grid of other wide cut can need to choose according to width of roadway.Grid is divided into some electric heating units, each electric heating unit adopts and is connected in parallel, and access 220V or 36V circuit, electrical power can reach 100 ~ 1200W/m
2.
By the section definition between two copper sheet joints in above-described embodiment be the configuration of a heat-generating units carbon fiber by formula below:
L b n P=U
2/ R (formula 1)
(L+b) R ' n=R (formula 2)
Wherein, L---grid fabric width (unit m)
Carbon fiber weft yarn sum (or weft yarn number of carbon fiber cable process) in n---grid one heating unit is even number.
B---adjacent carbons fiber spacing (unit m) is the integral multiple of grid hole dimension.
P---heating electric power (unit W/m
2)
U---energising rated voltage (unit is V)
Carbon fiber all-in resistance (unit is Ω) in R---grid one heating unit
The resistance (Ω/m) of R '---carbon fiber bundle unit length
Formula 2 is substituted into formula 1 to obtain:
By formula 3, can require according to grid fabric width, use voltage, power demand select carbon fiber and divide electric heating unit (i.e. the length of wiring position or carbon fiber electric heating cable).
Table 1 and table 2 list several typical electric heating grid relevant parameters.Fabric width is 0.6m, 2.0m, 3.75m and 7.5m etc., uses rated voltage to be respectively 220V and 36V, is decided to be 35 ohm/m calculates with the resistance of 12K carbon fiber.The grid of other wide cut all can design by formula 3.
In table 1 carbon fiber grille, the type selecting of carbon fiber, electric heating unit divide and power (rated voltage 220V)
In table 2 carbon fiber grille, the type selecting of carbon fiber, electric heating unit divide and power (rated voltage 36V)
By geo-grid described in the utility model for the manufacture of electric heating pavement structure as follows: by C30 Concrete road surface orlop, match ratio is: cement: water: sand: rubble=1: 0.4: 1.23: 3.Cement is 42.5 Portland cements that Hua Xin cement joint-stock company produces; Sand is local common river sand; Coarse aggregate is this real estate rubble (particle diameter is 20 ~ 40mm).By cement, sand, rubble and the water stir about 3 ~ 5min in mixer prepared, to be mixed evenly after use vibrating head vibration compacting, composite pavement lower thickness is 16cm.Spread layer of glass cloth after tamping is floating above and be used as isolation layer, glass fabric smears cement mortar up and down, gross thickness 1cm.Glass fabric coefficient of thermal conductivity comparatively concrete is low, slow down downward rate of heat transfer, reduces the heat of going down to a certain extent.And then lay carbon fiber compound geogrid, finally at grid upper berth C30 concrete, thickness is about 5cm.
Be under the condition of-13 DEG C ~-16 DEG C in environment temperature, at 600W/m
2, 500W/m
2, 400W/m
2under electrical power effect, pavement temperature reaches 2 DEG C of required times and is respectively 198min, 243min, 280min.At 300W/m
2during power effect, after need continuing energising 660min, pavement temperature just reaches 1.8 DEG C.When environment temperature is the condition of-15 DEG C, at 500W/m
2under electrical power, after energising about 480min, the ice sheet that 3mm is thick has been changed substantially.
Claims (9)
1. there is the carbon fiber compound geogrid of electric heating function, it is characterized in that, geo-grid comprises warp and parallel, described warp is glass fiber or basalt fibre, described parallel contains heating, and this heating is carbon fiber, leaves terminals uniformly along interval on grid edge length direction, the parallel of terminals is fixedly connected with by copper sheet joint with wire, and described terminals are all positioned at grid homonymy.
2. the carbon fiber compound geogrid with electric heating function according to claim 1, is characterized in that, described parallel is pure carbon fiber.
3. the carbon fiber compound geogrid with electric heating function according to claim 2, it is characterized in that, described parallel also comprises glass fiber or basalt fibre, and carbon fiber and glass fiber or basalt fibre mixed weaving, glass fiber or basalt fibre are positioned at carbon fiber lower floor.
4. the carbon fiber compound geogrid with electric heating function according to claim 3, is characterized in that, described parallel is impregnated with modified bitumen or acrylic emulsion or thermosetting resin.
5. the carbon fiber compound geogrid with electric heating function according to claim 1, is characterized in that, described parallel is glass fiber or basalt fibre, and parallel upper surface is fixed with carbon fiber bundle.
6. the carbon fiber compound geogrid with electric heating function according to claim 5, is characterized in that, described carbon fiber bundle is pasted onto on the parallel of sizing by modified bitumen or acrylic emulsion or thermosetting resin.
7. the carbon fiber compound geogrid with electric heating function according to claim 5, is characterized in that, described carbon fiber bundle appearance also has insulating layer and protection gauze wire cloth, and carbon fiber bundle is fixed on parallel by High temperature-resistanadhesive adhesive tape.
8. the carbon fiber compound geogrid with electric heating function according to the arbitrary claim of claim 1-7, it is characterized in that, described wire is copper wire, and wire is wrapped in the terminals of parallel, copper sheet joint is wrapped in the interface of wire and terminals, and copper sheet joint external surface also scribbles one deck sealing compound.
9. the carbon fiber compound geogrid with electric heating function according to the arbitrary claim of claim 1-7, it is characterized in that, described carbon fiber specification can be 12K, 24K, 36K, 48K or 60K, grid wide cut can be 0.6 ~ 7.5m, grid is divided into some electric heating units, each electric heating unit adopts and is connected in parallel, and access voltage is 220V or 36V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859409.4U CN204491356U (en) | 2014-12-26 | 2014-12-26 | There is the carbon fiber compound geogrid of electric heating function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859409.4U CN204491356U (en) | 2014-12-26 | 2014-12-26 | There is the carbon fiber compound geogrid of electric heating function |
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| CN204491356U true CN204491356U (en) | 2015-07-22 |
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| CN201420859409.4U Expired - Fee Related CN204491356U (en) | 2014-12-26 | 2014-12-26 | There is the carbon fiber compound geogrid of electric heating function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256694A (en) * | 2015-11-04 | 2016-01-20 | 湖南致同工程科技有限公司 | Electric-conduction anti-skid wearing layer for pavement and preparation method thereof |
| CN105839614A (en) * | 2016-05-18 | 2016-08-10 | 浩珂科技有限公司 | Electroosmosis and drainage high-strength warp knitting geogrid |
| CN106961752A (en) * | 2017-05-11 | 2017-07-18 | 刘中威 | Carbon fiber electric heating ice-melt chip and preparation method thereof can be repaired |
| CN108336361A (en) * | 2017-12-28 | 2018-07-27 | 广州倬粤动力新能源有限公司 | Plating formula grid fiber composite line |
| CN108365225A (en) * | 2017-12-28 | 2018-08-03 | 广州倬粤动力新能源有限公司 | Wound form grid fiber composite line |
| CN110409410A (en) * | 2019-08-08 | 2019-11-05 | 闽江学院 | A kind of fiber earthwork grid and its mounting process |
| CN111366093A (en) * | 2020-03-02 | 2020-07-03 | 哈尔滨工业大学 | Multifunctional distributed optical fiber sensor for road strain test and heat conduction snow melting |
-
2014
- 2014-12-26 CN CN201420859409.4U patent/CN204491356U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256694A (en) * | 2015-11-04 | 2016-01-20 | 湖南致同工程科技有限公司 | Electric-conduction anti-skid wearing layer for pavement and preparation method thereof |
| CN105256694B (en) * | 2015-11-04 | 2017-08-25 | 湖南致同工程科技有限公司 | Conductive antiskid wearing layer in a kind of road surface and preparation method thereof |
| CN105839614A (en) * | 2016-05-18 | 2016-08-10 | 浩珂科技有限公司 | Electroosmosis and drainage high-strength warp knitting geogrid |
| CN105839614B (en) * | 2016-05-18 | 2018-03-27 | 浩珂科技有限公司 | A kind of drainage by electroosmosis high-strength warp knitting geogrid |
| CN106961752A (en) * | 2017-05-11 | 2017-07-18 | 刘中威 | Carbon fiber electric heating ice-melt chip and preparation method thereof can be repaired |
| CN108336361A (en) * | 2017-12-28 | 2018-07-27 | 广州倬粤动力新能源有限公司 | Plating formula grid fiber composite line |
| CN108365225A (en) * | 2017-12-28 | 2018-08-03 | 广州倬粤动力新能源有限公司 | Wound form grid fiber composite line |
| CN110409410A (en) * | 2019-08-08 | 2019-11-05 | 闽江学院 | A kind of fiber earthwork grid and its mounting process |
| CN111366093A (en) * | 2020-03-02 | 2020-07-03 | 哈尔滨工业大学 | Multifunctional distributed optical fiber sensor for road strain test and heat conduction snow melting |
| CN111366093B (en) * | 2020-03-02 | 2021-10-19 | 哈尔滨工业大学 | Multifunctional distributed optical fiber sensor for road strain test and heat conduction snow melting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |