CN101083850A - Nana intelligent temperature control cable and method for making same and geothermal heating system using the same - Google Patents
Nana intelligent temperature control cable and method for making same and geothermal heating system using the same Download PDFInfo
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- CN101083850A CN101083850A CNA2006100270985A CN200610027098A CN101083850A CN 101083850 A CN101083850 A CN 101083850A CN A2006100270985 A CNA2006100270985 A CN A2006100270985A CN 200610027098 A CN200610027098 A CN 200610027098A CN 101083850 A CN101083850 A CN 101083850A
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Abstract
The present invention involves a nano-intelligent temperature control cable, including cable core conductor, insulation layer wrapped outside this cable core conductor, the inner protection layer wrapped outside the insulating layer, the setting of the grounding conductor outside the inner protection layer and the setting of outer protection layer. Among them, nano- carbon black conductive particle would be added into this insulting layer and nano- carbon black conductive particle would be also added into this inner protection layer. The Preparation method of this cable includes: Preparation of cable core; Forming the insulating layer with the addition of the nano conductive material outside the cable core; Forming the layer and the external protective layer outside the above mentioned insulating layer, Adding the conductive nano-materials in the inner protective layer; Establishing a grounding conductor layer between the inner and outer protective layer. The above mentioned nano-conductive material is nano- carbon black conductive particle. The present invention also would disclose a geothermal heating system, including control parts and heating parts, among them, the heating part includes nano-intelligent temperature control cables mentioned above.
Description
Technical field
The present invention relates to a kind of cable, particularly about a kind of nana intelligent temperature control cable and preparation method thereof and with its application and system thereof as preparation geothermal heating material.
Background technology
Heat supply heating utilizes air-conditioning more or carries out the heat supply heating by boiler erection radiator, fin supply steam or hot water.Method development by geothermal heating is very fast, normal Electric radiant Heating Film or the heating wire of adopting heats, what have carries out heating by hot water pipeline under the floor, but all there are many problems, as: room conditioning, radiator, fin, hot-water heating, the way of hot air heating, it is unreasonable to exist heat distribution, interior space upper strata and lower floor's temperature difference are bigger, the air drying, make the people feel to get a swelled head uncomfortable, energy consumption is big, integrated operation cost height, method by heat supply heating under the floor, heat-supplying mode is reasonable, but the method for Electric radiant Heating Film heat supply exists the heat supply energy little, and the heat efficiency is low, and hot water pipeline heat-supplying mode use portion is convenient, easily infiltration, be difficult for maintenance, the heating wire heat supply is wayward, poor stability, problems such as it is big to consume energy.
For example Chinese utility model patent ZL97227984.9 has promptly disclosed a kind of copper-tube aluminium finned radiator that can be used for geothermal heating, and it comprises fin, heat pipe and bend pipe and outer cover.Its outer cover top has heat window, sidepiece leaves the Inlet and outlet water perforation, and fin, heat pipe and bend pipe all scribble the far infrared drying coatings.
In addition, Chinese utility model patent ZL02293971.7 then discloses another kind of room electric heating phase-transition heat-storage geothermal heating device.It is the phase change heat storage material that the flooring concrete cushion is added several special shapes and structure.Heat-storing material is made sealing capsule and pill formula, and the outside is the compact substance encapsulating shell, and inside is the solid-liquid phase change heat-storing material.This device is to utilize the night dip electric weight, and electric energy is converted into thermal energy storage, during the high honeybee of electricity consumption, can stop heat supply by day, with the heat that stores to indoor release.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of nana intelligent temperature control cable and preparation method thereof and with its application and system thereof as preparation geothermal heating material.
The objective of the invention is to realize: nana intelligent temperature control cable of the present invention by following technical method, comprise cable core conductor and the insulating barrier that is wrapped in this cable core conductor periphery, wherein added nanometer carbon black class conducting particles in this insulating barrier, made this cable become semiconductor.This cable comprises that also inner protective layer is coated on the insulating barrier outside, and has also added nanometer carbon black class conducting particles in this inner protective layer.This cable also is provided with a circle earth lead in its inner protective layer periphery.This cable further is provided with external protection in its earth lead periphery.
The invention also discloses a kind of geothermal heating system, comprise control section and heating part, wherein this heating partly comprises foregoing nana intelligent temperature control cable.The heating part of this system also is included in heat-insulation layer and the heat insulation and moisture-proof layer that is arranged on this heat-insulation layer is set on the former Horizon, and aforementioned nana intelligent temperature control cable is arranged on this heat insulation and moisture-proof layer.This heating part also comprises the concrete cement mortar layer that is filled between the aforementioned nana intelligent temperature control cable, and re-lays flooring material at this above the concrete cement mortar layer.The setting that takes the shape of the letter U of this nana intelligent temperature control cable, and fix on rack by plurality of fixed.This control section can be arranged in the fixed body and be electrical connected with the cable of heating part, and this control section comprises power supply, temperature controller switch and the plastic tube that is used for the single-phase three-wire inlet wire.
The preparation method of nana intelligent temperature control cable of the present invention may further comprise the steps:
Step 1: preparation cable core;
Step 2: at the peripheral insulating barrier that has added nanometer conductive material that forms of cable core; And
Step 3: at the peripheral protective layer that forms of aforementioned dielectric layer.
Wherein, comprise in the step 3 forming inside and outside protective layer, added nanometer conductive material in this inner protective layer, and an earth lead layer is set between inside and outside protective layer.Aforementioned nanometer conductive material is a nanometer carbon black class conducting particles.
The present invention adopts " nana intelligent temperature control cable material " to be used for geothermal heating; since in " nana intelligent temperature control cable material " (around the cable core conductor; the inner protective layer of cable) added nanometer carbon black class conducting particles; make cable become semiconductive material; its principle and outstanding feature are: after giving cable material (semi-conducting material) and applying certain electric current and voltage; the rapid heating up of this semi-conducting material consumed power; electric energy is converted into heat energy; when temperature is elevated to certain value; conducting particles in the semiconductive material is apart from increase; resistance increases simultaneously; when temperature continues to raise; resistance sharply increases and becomes infinity; approximate insulation outage; this moment, electric current also descended very fast; temperature also descends thereupon; when temperature continues to descend; distance reduces between the conducting particles; resistance also reduces; this moment, electric current continued to go up; temperature begins to rise, and by repeatedly such, this semi-conducting material has just formed the nanometer intelligent temperature-control heat-providing material with " temperature memory "; this material is used for the underground heat heating, has obtained ideal effect.
Description of drawings
Fig. 1 is the structural representation of nana intelligent temperature control cable of the present invention.
Fig. 2 is the structural representation of geothermal heating of the present invention system.
Fig. 3 is the structural representation of nana intelligent temperature control cable rack of the present invention.
Embodiment
Below in conjunction with embodiment the present invention is further described.
As shown in Figures 1 and 2, nana intelligent temperature control cable 1 of the present invention comprises cable core conductor 11, insulating barrier 12, inner protective layer 13, earth lead 14 and external protection 15.Cable core conductor 11 is enveloped by insulating barrier 12, and some cable core conductors 11 are located in the inner protective layer 13, and some earth leads 14 are close to the periphery that is arranged at inner protective layer 13 in the form of a ring, and external protection 15 then is coated on the periphery of earth lead 14.10 of conducting particless are distributed in cable core conductor 11 and the inner protective layer 13, and it is a kind of nanometer carbon black class conducting particles, makes cable 1 become a kind of semiconductive material.
External protection 15 is as the restrictive coating of cable 1 of the present invention, and it adopts polyvinyl chloride (PVC) the insulation flexible plastics of high temperature resistant (105 ℃) to make.Inner protective layer 13 adopts high density polyethylene (HDPE) and add materials such as conducting particles 10 and fire retardant in this material and makes.Insulating barrier 11 bifilar (cable core) adopts the fluorine class plastics of high temperature resistant (200 ℃) and add materials such as conducting particles 10, fire retardant in this material and makes.
The principle and the outstanding feature of nana intelligent temperature control cable 1 of the present invention are: after giving cable 1 (semi-conducting material) and applying certain electric current and voltage, this semi-conducting material (being cable 1) rapid heating up of consumed power, electric energy is converted into heat energy, when temperature is elevated to certain value, conducting particles 10 distances in the semiconductive material (being cable 1) increase, resistance increases simultaneously, when temperature continues to raise, resistance sharply increases and becomes infinity, approximate insulation outage, this moment, electric current also descended very soon, and temperature also descends thereupon.When temperature continued to descend, the distance between the conducting particles 10 reduced, and resistance also reduces, and this moment, electric current continued to go up, and temperature begins to rise.By repeatedly such, this semi-conducting material (being cable 1) has just formed the nanometer intelligent temperature-control heat-providing material with " temperature memory ", and the present invention is used for the underground heat heating with this material, can obtain good heating effect.
The preparation method of nana intelligent temperature control cable 1 of the present invention is:
1. prepare nanometer conductive material and carry out surface modification treatment
The mixture material market of the nanometer carbon black class acetylene carbon black that adopts in inner protective layer 13 and insulating barrier 12, conductive carbon black, graphite is on sale, requires particle diameter 30～200nm, resistivity≤3.0 Ω .m, pH value 7～8.And the material of inner protective layer 13 and insulating barrier 12 carried out surface modification treatment; the surface modifier of adding 0.1～3% (titanate esters or hard ester acid); chemisorbed is carried out on nanometer carbon black conducting particles 10 surfaces; by 2500～3000 rev/mins of homogenizer stirring, rotating speeds; 3～6 hours time; filter then, technology such as drying, pulverizing, screening finishes surface modification treatment, and its even dispersion is not reunited.
2. make cable core 11 conductor materials:
Adopt zinc-plated copper conductor or aluminium alloy conductor material, single diameter 50～400 μ m, tensile strength 300～2000N/mm2,5～50 of plying radicals are 1～2.5mm through the stranded diameter that forms of stranding machine.
3, make insulating barrier 12 (bifilar cable core) material:
Adopt resistant to elevated temperatures fluorine class plastics (polytetrafluoroethylene or fluorine elastoplast) and in its material, add nanometer carbon black class conducting particles 40～50%, fire retardant (antimonous oxide) 1～2%, antioxidant 0.5～1%, heat stabilizer (hard ester acid) 2～4%, paraffin 1～2%, earlier above material is made cable granules, make required cable core material through the plastic extruding machine extrusion process again, single cable core diameter 2～3.5mm.
4, make inner protective layer 13 materials
Adopt high density polyethylene (HDPE) (HDPE) and in this material, add nanometer carbon black class material 40～50%; fire retardant (antimonous oxide) 1～2%; antioxidant 0.5～1%; crosslinking agent (cumyl peroxide) 1～2%; paraffin 1～2% is made cable granules with above material through extruder earlier, after extrusion process is made the inner protective layer material; handle through crosslinking process, diameter is 4～6mm again.
5, earth lead
Adopt zinc-plated copper conductor, diameter is 0.05～0.20mm, is wrapped on the external diameter of interior, protective layer 13,15 (between inside and outside protective layer 13,15)
6, make external protection 15
Adopt high temperature resistant 105 ℃ polyvinyl chloride insulation flexible plastics, thickness 3～5mm, the external diameter after whole cable 1 is made is 5mm～10mm.
Nana intelligent temperature control cable of the present invention is as described below as the application of geothermal heating material:
Earlier lay the thick heat-insulation layer in 10～15mm left and right sides 28 on Horizon, lay heat insulation and moisture-proof layer 27 (aluminium foil) on heat-insulation layer 28, its thickness is approximately 0.3～0.6mm.Rack 30 (iron wire) is set on heat insulation and moisture-proof layer 27 fixedly is convenient to attached cable 1; distance is 40～120mm between the cable 1; and cover the thick cement mortar in 8～25mm left and right sides 26; complete the back and lay needed floor tile 25 or composite floor board material topmost at it; single-phase three-wire (the live wire of configuration 220V load current 20A; ground wire; zero line) power supply; temperature controller switch is that microcomputer is displayable; autoprogrammable as required; set the temperature of 24 hours different time sections interior every day in a week; temperature control sensitivity ± 1 ℃; load current 20A; bus is installed earth leakage circuit-breaker; power 80～450w/m2, cable heating temp＜50 ℃.
According to above-mentioned application principle, adopt the geothermal heating system of the present invention's nana intelligent temperature control cable 1 partly to form, as shown in Figure 2 by control section and heating.Wherein, control section can be arranged among body of wall 24 or the similar fixture, and it mainly comprises power supply 20, temperature controller switch 21 and the plastic tube 23 that is used for the single-phase three-wire inlet wire.Heating part then mainly comprises the heat-insulation layer 28 that is arranged on the former Horizon 29 (floor just), be arranged at heat insulation and moisture-proof layer 27, be layed in cable 1 on the heat insulation and moisture-proof layer 27, be filled at the concrete cement mortar layer 26 and the flooring board bed of material 25 between the cable 1.Wherein, be electrical connection between the cable 1 of control section and heating part.
See also Fig. 3 simultaneously, cable 1 is fixed on the rack 30 by fixed card 32, in embodiment as shown in the figure, cable 1 is curved continuous U-shaped and is fixed on the rack 30, and it also can adopt other suitable manner to fix and be set at above the heat insulation and moisture-proof layer 27.
Nana intelligent temperature control cable 1 of the present invention can be used for indoor geothermal heating and yard piping is antifreeze, oilfield exploitation (winter, the oil field was antifreeze), and the heat supply of soil heating, airport, railway, highway snow melting, aquaculture, vegetables, gardens, flower planting booth is warming.
Nana intelligent temperature control cable disclosed in this invention and the application of using it for the geothermal heating material have the following advantages:
1. adopt nanometer conductive material technology advanced person, workable.
2. this cable material has that automatic temperature-control heat-providing, insulation and anti-flammability are good, tensile strength is good, anti-Chemistry and environment resistant good, esy to use, safe and reliable.
Heat conduction fast and evenly, energy consumption is low, operating cost is few, alternative air-conditioning, hot-water heating, hot air heating.
4. nonpoisonous and tasteless, pollution-free, far infrared transmissivity＞80%, useful health.
5. can be widely used in indoor and outdoor heat supply, warming, antifreeze, heating.
Claims (14)
1, a kind of nana intelligent temperature control cable comprises cable core conductor and the insulating barrier that is wrapped in this cable core conductor periphery; It is characterized in that: added nanometer carbon black class conducting particles in this insulating barrier, made this cable become semiconductor.
2, nana intelligent temperature control cable according to claim 1 is characterized in that: this cable comprises that also inner protective layer is coated on the insulating barrier outside, and has also added nanometer carbon black class conducting particles in this inner protective layer.
3, nana intelligent temperature control cable according to claim 2 is characterized in that: this cable also is provided with a circle earth lead in its inner protective layer periphery.
4, nana intelligent temperature control cable according to claim 3 is characterized in that: this cable further is provided with external protection in its earth lead periphery.
5, according to claim 1 or 2 or 3 or 4 described nana intelligent temperature control cables, it is characterized in that: this cable can be applicable to as the geothermal heating material.
6, a kind of geothermal heating system comprises control section and heating part; It is characterized in that: this heating partly comprises as claim 1 or 2 or 3 or 4 described nana intelligent temperature control cables.
7, geothermal heating according to claim 6 system, it is characterized in that: the heating part of this system also is included in heat-insulation layer and the heat insulation and moisture-proof layer that is arranged on this heat-insulation layer is set on the former Horizon, and aforementioned nana intelligent temperature control cable is arranged on this heat insulation and moisture-proof layer.
8, geothermal heating according to claim 7 system is characterized in that: this heating part also comprises the concrete cement mortar layer that is filled between the aforementioned nana intelligent temperature control cable, and re-lays flooring material at this above the concrete cement mortar layer.
9, geothermal heating according to claim 8 system is characterized in that: the setting that takes the shape of the letter U of this nana intelligent temperature control cable, and fix on rack by plurality of fixed.
10, geothermal heating according to claim 9 system, it is characterized in that: this control section can be arranged in the fixed body and be electrical connected with the cable of heating part, and this control section comprises power supply, temperature controller switch and the plastic tube that is used for the single-phase three-wire inlet wire.
11, a kind of preparation method of nana intelligent temperature control cable is characterized in that it may further comprise the steps:
Step 1: preparation cable core;
Step 2: at the peripheral insulating barrier that has added nanometer conductive material that forms of cable core; And
Step 3: at the peripheral protective layer that forms of aforementioned dielectric layer.
12, the preparation method of nana intelligent temperature control cable according to claim 11 is characterized in that: comprise in the step 3 forming inside and outside protective layer, wherein added nanometer conductive material in the inner protective layer.
13, the preparation method of nana intelligent temperature control cable according to claim 12 is characterized in that: also included, an earth lead layer be set between the external protection.
14, according to the preparation method of claim 11 or 12 or 13 described nano intelligent temperature control gloves, it is characterized in that: described nanometer conductive material is a nanometer carbon black class conducting particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100270985A CN101083850A (en) | 2006-05-30 | 2006-05-30 | Nana intelligent temperature control cable and method for making same and geothermal heating system using the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100270985A CN101083850A (en) | 2006-05-30 | 2006-05-30 | Nana intelligent temperature control cable and method for making same and geothermal heating system using the same |
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| Publication Number | Publication Date |
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| CN101083850A true CN101083850A (en) | 2007-12-05 |
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| CNA2006100270985A Pending CN101083850A (en) | 2006-05-30 | 2006-05-30 | Nana intelligent temperature control cable and method for making same and geothermal heating system using the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708527A (en) * | 2018-06-21 | 2018-10-26 | 刘政 | A kind of fever ceramic tile and heat-generating system |
| CN109184489A (en) * | 2018-09-13 | 2019-01-11 | 东北石油大学 | Fill the controllable infrared radiation heating heat insulation glass window of conductive accumulation of heat nano-fluid |
| CN114916356A (en) * | 2022-06-02 | 2022-08-19 | 北京工业大学 | Solar photovoltaic quadruple structure phase change heat storage wall construction system for sunlight greenhouse |
-
2006
- 2006-05-30 CN CNA2006100270985A patent/CN101083850A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708527A (en) * | 2018-06-21 | 2018-10-26 | 刘政 | A kind of fever ceramic tile and heat-generating system |
| CN109184489A (en) * | 2018-09-13 | 2019-01-11 | 东北石油大学 | Fill the controllable infrared radiation heating heat insulation glass window of conductive accumulation of heat nano-fluid |
| CN114916356A (en) * | 2022-06-02 | 2022-08-19 | 北京工业大学 | Solar photovoltaic quadruple structure phase change heat storage wall construction system for sunlight greenhouse |
| CN114916356B (en) * | 2022-06-02 | 2023-06-30 | 北京工业大学 | Solar photovoltaic quadruple structure phase-change heat storage wall construction system for solar greenhouse |
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Open date: 20071205 |