CN105895211A - Glass fiber enhanced insulated cable containing graphene - Google Patents
Glass fiber enhanced insulated cable containing graphene Download PDFInfo
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- CN105895211A CN105895211A CN201610457340.6A CN201610457340A CN105895211A CN 105895211 A CN105895211 A CN 105895211A CN 201610457340 A CN201610457340 A CN 201610457340A CN 105895211 A CN105895211 A CN 105895211A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
Abstract
The invention relates to a glass fiber enhanced insulated cable containing graphene. The cable comprises a conductor (1). A graphene layer (2), a glass fiber layer (3) and a polyvinyl chloride layer (4) are concentrically coated out of the conductor (1). The cross section of the conductor (1) is circular, and the diameter is 10-15 mm. The thickness between the outer wall and the inner wall of the graphene layer (2) is 0.2-0.4 nm. The thickness between the outer wall and the inner wall of the glass fiber layer (3) is 0.5-0.8 mm. The thickness between the outer wall and the inner wall of the polyvinyl chloride layer (4) is 1-2 mm. A glue fall-off resistant layer (5) is arranged at outer side of the graphene layer (2). The glue fall-off resistant layer (5) may contain the graphene. According to the cable, the graphene layer is coated on the surface of the conductor, and therefore, the conductivity of the cable is improved; moreover, the glass fiber layer is coated out of the graphene layer, and therefore the conductivity and flexibility of the insulated cable are improved; and the glue fall-off resistant layer (5) can protect the graphene layer and plays a part in shielding when the graphene is added. The invention also provides a method for producing the glass fiber enhanced insulated cable containing the graphene.
Description
Technical field
The present invention relates to a kind of insulated cable, particularly relate to the glass-fiber reinforced insulation of a kind of graphene-containing
Cable.
Background technology
The structure of conventional insulator cable is generally two-layer, and internal layer is metal conducting layer, and outer layer is non-metallic insulation
Layer.Such cable is only used for common place, and it is the most aging to have insulating barrier, is weak to bending, uses
The shortcomings such as the life-span is short.
In cable, generally employing copper is as conductive layer, and copper itself is easily subject to oxidation and corrodes, and copper
Quality is softer, and ductility is the best.In prior art, in order to solve the problem that copper is oxidized and corrodes, generally
Carry out electroplating processes on the surface of conductive copper, plate last layer antioxidative material.But this electroplating technology is made
Become the raising of cable production cost, and easily pollute environment.
In order to strengthen the ductility of cable, resist bending can be set between conductor and insulating barrier, have and well prolong
The material layer of malleability.But this material needs to consider cost and performance, it is not easy to find.Therefore, at present
Insulated cable on the market is typically difficult to both had good electric conductivity simultaneously, has again preferable mechanical strength
And pliability.
Graphene is a kind of two-dimensional material, is made up of pure carbon atom.Its molecular structure is fine and close, except hydrogen atom
Material in addition all can not pass through.The most acidproof, resistance to oxidation.In all material, it has the highest load
Flowing sub-transmission speed, its electron conductivity 15000cmol/L/ (V.s), superpower resistance to big current capacity, is one
Plant excellent conductor.Additionally, grapheme material can well be mixed in other materials so that synthesis
Corrosion-resistant, the wearability that material has had.
In the field of communications, some cable it is also desirable to have higher anti-interference, and the cable of routine is general
It is both provided with conductor shield and insulation screen, to reach the effect of homogenizing electric field.But existing shielding
Layer is typically to add conductive carbon black in rubber.Melting of the distribution of carbon black granules, size and carbon black and rubber
Conjunction degree all affects anti-jamming effectiveness.
Summary of the invention
For problems of the prior art, it is an object of the invention to, it is provided that the glass of a kind of graphene-containing
Glass fiber reinforcement type insulated cable.
Specifically, the present invention adopts the following technical scheme that
A kind of glass-fiber reinforced insulated cable of graphene-containing, including conductor, the outer same pericardium of described conductor
It is covered with graphene layer, glass layer and polyvinyl chloride insulation layer.
Particularly, described cross-sectional area of conductor is circular, a diameter of 10～15mm；The outer wall of described graphene layer
And the thickness between inwall is 0.2～0.4nm；Thickness between outer wall and the inwall of described glass layer is
0.5～0.8mm；Thickness between outer wall and the inwall of described polyvinyl chloride insulation layer is 1～2mm.
Particularly, a diameter of 10mm of described conductor；Thickness between outer wall and the inwall of described graphene layer
Degree is 0.2nm；Thickness between outer wall and the inwall of described glass layer is 0.5mm；Described polychlorostyrene second
Thickness between outer wall and the inwall of alkene insulating barrier is 1mm.
Particularly, a diameter of 15mm of described conductor；Thickness between outer wall and the inwall of described graphene layer
Degree is 0.4nm；Thickness between outer wall and the inwall of described glass layer is 0.8mm；Described polychlorostyrene second
Thickness between outer wall and the inwall of alkene insulating barrier is 2mm.
Further, described graphene layer, glass layer be also configured with resistance to fall glue-line.
Further, be also configured with between described glass layer and polyvinyl chloride insulation layer resistance to fall glue-line.
Particularly, described resistance to fall glue is mixed with Graphene.
Additionally, a kind of method that the invention provides glass-fiber reinforced insulated cable manufacturing graphene-containing,
Comprise the following steps:
Step 1: configuration dilute hydrochloric acid solution, inserts conductor in hydrochloric acid solution and is carried out, remove conductor table
The oxide in face, takes out conductor subsequently, is again with deionized water and is carried out conductor；
Step 2: the conductor after being cleaned by deionized water is dried；Conductor after drying is positioned over anaerobic
In environment, and it is passed through hydrogen, maintains temperature in 900-1000 DEG C；
Step 3: be passed through methane or acetylene or ethylene, utilizes the chemical vapor sedimentation method to be formed on the surface of conductor
Graphene layer, according to the needs of graphene layer thickness, can maintain the different persistent period；
Step 4: the conductor cooling with graphene layer that will generate；
Step 5: the periphery of configuration glass layer to graphene layer；
Step 6: the outermost one layer of configuration polyvinyl chloride insulation layer to conductor.
In further embodiment, it is additionally included between step 4 and step 5 and performs following steps:
Step 41: by generate the conductor with graphene layer be at least cooled to resistance to fall glue fusing point on, will
Resistance to fall glue be expressed to surround conductor metallic sheath in, resistance to fall glue under the high temperature of conductor, be fused into liquid and be full of
The space of described metallic sheath；
Step 42: conductor is detached from metallic sheath, and chiller is set in metallic sheath exit, it is used for
Cooling be coated with resistance to fall glue conductor；After cooling, resistance to fall glue again solidify, be tightly wrapped in Graphene
On the conductor of layer；It is sufficiently cool, after discharging its stress, carry out step 5 again；
Wherein said resistance to fall glue include Graphene, or wherein said resistance to fall glue do not include Graphene.
In further embodiment, it is additionally included between step 5 and step 6 and implements the steps of:
Step 51: by resistance to fall glue configuration around the periphery of glass layer；Wherein said resistance to fall glue include
Graphene, or wherein said resistance to fall glue do not include Graphene.
The invention has the beneficial effects as follows: by rationally arranging conductor, graphene layer, glass layer and polychlorostyrene
Ethylene insulating barrier, it is thus achieved that there is good electric conductivity and preferable mechanical strength and flexible insulated cable.Increase
Add resistance to fall glue-line can protect graphene layer, resistance to fall glue adds Graphene simultaneously time can play shielding
Effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of the invention.
Fig. 2 is the structural representation of second embodiment of the invention.
Fig. 3 is the structural representation of third embodiment of the invention.
Detailed description of the invention
The present invention can be clearly understood from further by the specific embodiment of invention now given below, but under
Stating embodiment is not limitation of the invention.
With reference to Fig. 1, the Graphene cable of the present invention includes that conductor 1, conductor 1 are generally made up of copper, it is also possible to
For aluminium.A graphene layer 2 it is provided with equably in the periphery of conductor 1.This graphene layer 2 has well
Electric conductivity, the electric conductivity of copper cable can be strengthened.Meanwhile, acidic materials, oxidisability thing it are possible to prevent
The corrosion of confrontation metallic conductor.
In the periphery of graphene layer 2, being provided with glass layer 3, the effect of glass layer 3 is to increase
Add intensity and the ductility of cable.Glass fibre is a kind of high temperature resistant, corrosion-resistant material, in cable
Can preferably prevent cable on fire and corrosion.
Insulating barrier 4, preferably polyvinyl chloride insulation layer 4 it is provided with in the outside of glass layer 3.
The cross section of conductor 1 is preferably circular, a diameter of 10～15mm；The outer wall of graphene layer 2 and inwall
Between thickness be 0.2～0.4nm；Thickness between outer wall and the inwall of glass layer 3 be 0.5～
0.8mm；Thickness between outer wall and the inwall of polyvinyl chloride insulation layer 4 is 1～2mm.
In one embodiment, conductor 1 cross section is circular, a diameter of 10mm；The outer wall of graphene layer 2
And the thickness between inwall is 0.2nm；Thickness between outer wall and the inwall of glass layer 3 is 0.5mm；
Thickness between outer wall and the inwall of polyvinyl chloride insulation layer 4 is 1mm.
In another preferred embodiment, conductor 1 cross section is circular, a diameter of 15mm；Graphene layer
Thickness between outer wall and the inwall of 2 is 0.4nm；Thickness between outer wall and the inwall of glass layer 3
For 0.8mm；Thickness between outer wall and the inwall of polyvinyl chloride insulation layer 4 is 2mm.
Owing to the thickness of this graphene layer 2 is the least, therefore it is easily subject to scratch.Such as, glass layer is worked as
In the case of 3 are bent and produce bur, graphene film layer is easy to be scratched, simultaneously glass fibre
Layer 3 has some strength and hardness, when it is arranged on outside graphene layer, and easy and graphene layer
There is relative movement, thereby result in and rub between the two, cause the scratch of graphene layer.
For solving the problems referred to above, in one embodiment of the invention, see Fig. 2, at graphene layer 2 and glass
Be provided with between glass fibrous layer 3 solid resistance to fall glue-line 5, this resistance to fall glue-line there is good ductility, can
" glue " between graphene layer 2 and glass layer 3 with firmly, prevent from occurring between two-layer relatively to move
Dynamic.The most resistance to fall glue-line 5 there is the effect of protecting against shock, graphene layer 2 can be protected impaired to avoid
The bur of glass layer 3 scratches.
Owing to glass layer 3 has had certain intensity, therefore between glass layer and conductor not
Preferably reapply rubber as protective layer, cable otherwise will be caused overall really up to the mark and overweight.The present invention resistance to fall glue
For rubber, the most soft and light, stickiness is more preferable, and more preferably, price is lower for sealing effectiveness.
In some occasion, cable needs have certain capacity of resisting disturbance, have can shield external signal do
The screen layer disturbed.Can fall glue adds Graphene solid is resistance to, constitute resistance to fall glue-Graphene screen layer, with
Realize the anti-interference function of cable.Graphene can well be fused to resistance to fall in glue, Graphene addition is excellent
Elect 0.1-2% as.Resistance to fall glue be the solid gum that one is mainly composed of nylon (nylon), operating temperature is general
For-50 to 200 DEG C, generally can include nylon, mixed solvent, polypropylene, aggregate into the materials such as resin, and
Mix through above-mentioned material.It has good elasticity, its smooth surface, softness, it is possible to paste well
Closing the surface of solids, good seal performance, waterproof, acid-resistance is good.
In one preferred embodiment of the present invention, see Fig. 3, it is also possible in glass layer 3 and polychlorostyrene second
Arrange between alkene insulating barrier 4 resistance to fall glue-line 5, this can be with reinforcing glass fibrous layer 3 and polyvinyl chloride insulation layer 4
Between bondability, reduce gap between the two, increasing friction force prevents from moving between the two.
If the anti-jamming effectiveness of cable is had tightened up requirement, it is also possible to resistance to fall glue-line 5 adds at this
Graphene.
Additionally, the present invention also provides for a kind of glass-fiber reinforced insulated cable for producing graphene-containing
Method, the method comprises the following steps:
Step 1: configuration dilute hydrochloric acid solution, inserts conductor 1 in hydrochloric acid solution and is carried out, remove conductor
The oxide on surface, takes out conductor 1 subsequently, is carried out conductor 1 with deionized water,
Step 2: the conductor 1 after being cleaned by deionized water is dried；Conductor 1 after drying is positioned over
In oxygen-free environment, and be passed through hydrogen, maintain temperature in: 900-1000 DEG C；
Step 3: be passed through methane or the carbonaceous gas such as acetylene or ethylene, utilizes chemical vapour deposition technique at conductor 1
Surface formed graphene layer, according to the needs of graphene layer thickness, the different persistent period can be maintained；
Step 4: the conductor cooling with graphene layer that will generate；
Step 5: configuration glass layer；
Step 6: configuration polyvinyl chloride insulation layer.
Additionally, specific be in embodiment, between step 4 and step 5 perform following steps:
Step 41: by generate the conductor with graphene layer be at least cooled to resistance to fall glue fusing point on, example
As in one embodiment, resistance to fall glue fusing point be 250 DEG C, then the temperature to major general's conductor is cooled to 250 DEG C
Above, by resistance to fall glue be expressed to surround conductor metallic sheath in, resistance to fall glue under the high temperature of conductor, be fused into liquid
State the space of full metallic sheath；This resistance to fall glue can be pure resistance to fall glue, it is also possible to be to be mixed with Graphene
Resistance to fall glue.
When use be mixed with Graphene resistance to fall glue time, be possible not only to obtain good sealing and impact resistance,
And it is obtained in that shielding properties well.
This step can save the energy.Traditional method is that the insulant such as rubber are heated to molten condition,
It is squeezed on cold wire rod, thus rubber layer is coated on conductor.
And in the present invention, due to resistance to fall glue itself be soft and be prone to extruding, therefore, there is no need to it
It is heated to molten condition, is directly expressed on conductor, utilize the heat of conductor to be melted, after cooling
Coated.But the temperature of conductor is unsuitable too high, the most resistance to fall glue melting temperature 0-20 DEG C scope,
Too high temperature for resistance to fall glue be disadvantageous.For Graphene and resistance to fall glue preparation, it is not necessary to set to electricity
In the production technology of cable, by purchasing existing product.
Adopt in this way, can efficiently and rapidly by resistance to fall glue be coated on conductor.
Graphene with resistance to fall glue hybrid technology here is omitted, traditional method preparation in, by graphene film
Put into shape or powder thawing resistance to fall glue is sufficiently mixed cooling after the most available.
Step 42: conductor is detached from metallic sheath, and chiller is set in metallic sheath exit, it is used for
Cooling be coated with resistance to fall glue conductor；After cooling, resistance to fall glue again solidify, be tightly wrapped in Graphene
On the conductor of layer；It is sufficiently cool, to discharge its stress；Such as it is sufficiently cooled to room temperature, and is tieed up
Hold a period of time so that resistance to fall glue volume stability, carry out step 5 the most again, to prevent directly by high temperature
Resistance to fall glue contact with glass layer, this can cause after cooling resistance to fall glue volume-diminished and and glass fibre
Gap is produced between Ceng.
In another specific embodiment, it is additionally included between step 5 and step 6 and implements the steps of:
Step 51: by resistance to fall glue configuration around glass layer.Thus, it is possible to further enhance the screen of cable
Cover effect, wherein said resistance to fall glue include Graphene, or wherein said resistance to fall glue do not include stone
Ink alkene.
The present invention select resistance to fall glue add Graphene as shielding part, the application of rubber and carbon black can be saved.
Last it is noted that above-described each embodiment is merely to illustrate technical scheme, and
Non-to its restriction；Although the present invention being described in detail with reference to previous embodiment, this area common
Skilled artisans appreciate that the technical scheme described in previous embodiment still can be modified by it, or
Person carries out equivalent to wherein part or all of technical characteristic；And these amendments or replacement, do not make corresponding
The essence of technical scheme departs from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a glass-fiber reinforced insulated cable for graphene-containing, including conductor (1), it is characterised in that:
Described conductor (1) is coated with graphene layer (2), glass layer (3) and insulating barrier (4) the most successively.
The glass fibre increase type insulated cable of graphene-containing the most according to claim 1, its feature exists
In: described conductor (1) cross section is circular, a diameter of 10～15mm；Outside described graphene layer (2)
Thickness between wall and inwall is 0.2～0.4nm；Between outer wall and the inwall of described glass layer (3)
Thickness be 0.5～0.8mm；Thickness between outer wall and the inwall of described insulating barrier (4) is 1～2mm.
The glass fibre increase type insulated cable of graphene-containing the most according to claim 1, its feature exists
In: described insulating barrier is polyvinyl chloride insulation layer.
The glass-fiber reinforced insulated cable of graphene-containing the most according to claim 1, its feature exists
In: be also configured with between described graphene layer (2) and glass layer (3) resistance to fall glue-line (5).
5., according to the glass-fiber reinforced insulated cable of the graphene-containing described in claim 1 or 4, it is special
Levy and be: be also configured with between described glass layer (3) and insulating barrier (4) resistance to fall glue-line (5).
The glass-fiber reinforced insulated cable of graphene-containing the most according to claim 5, its feature exists
In: described resistance to fall glue-line (5) is mixed with Graphene.
The glass-fiber reinforced insulated cable of graphene-containing the most according to claim 6, its feature exists
In: described resistance to fall Graphene addition in glue-line (5) be 0.1-2%.
8. the method manufacturing the glass-fiber reinforced insulated cable of graphene-containing, comprises the following steps:
Step 1: inserted in hydrochloric acid solution by conductor (1) and be carried out, removes the oxide of conductive surface,
Subsequently conductor (1) is taken out, use deionized water that conductor (1) is carried out；
Step 2: the conductor (1) after being cleaned by deionized water is dried；Conductor (1) after drying
It is positioned in oxygen-free environment, and is passed through hydrogen, maintain temperature in 900-1000 DEG C；
Step 3: be passed through methane or acetylene or ethylene, utilizes chemical vapour deposition technique on the surface of conductor (1)
Form graphene layer (2)；
Step 4: the cooling of the conductor (1) with graphene layer (2) that will generate；
Step 5: the periphery of configuration glass layer (3) to graphene layer (2)；
Step 6: the periphery of configuration insulating barrier (4) to glass layer (3).
9. the method for the glass-fiber reinforced insulated cable manufacturing graphene-containing described in claim 8, its
It is characterised by being additionally included between step 4 and step 5 and performs following steps:
Step 41: by generate the conductor with graphene layer be cooled to resistance to fall glue fusing point on, by resistance to fall
Glue be expressed to surround conductor metallic sheath in, resistance to fall glue be melted at a temperature of conductor liquid and be full of described in
The space of metallic sheath；
Step 42: conductor is detached from metallic sheath, and chiller is set in metallic sheath exit, it is used for
Cooling be coated with resistance to fall glue conductor；After cooling, resistance to fall glue again solidify, be wrapped in graphene layer
On conductor；By resistance to fall glue cool down and discharge stress after carry out step 5.
The glass-fiber reinforced insulated cable manufacturing graphene-containing the most according to claim 8 or claim 9
Method, it is characterised in that be additionally included between step 5 and step 6 and implement the steps of:
Step 51: by resistance to fall glue configuration around glass layer (3) periphery.
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| CN201610457340.6A CN105895211A (en) | 2016-06-22 | 2016-06-22 | Glass fiber enhanced insulated cable containing graphene |
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| CN110706858A (en) * | 2019-11-18 | 2020-01-17 | 安徽光复电缆有限公司 | High-low temperature resistant anti-vibration low-noise symmetrical cable |
| CN111524654A (en) * | 2020-04-29 | 2020-08-11 | 国网河南省电力公司内乡县供电公司 | Preparation method of enhanced cable |
| CN111524654B (en) * | 2020-04-29 | 2022-03-01 | 国网河南省电力公司内乡县供电公司 | Preparation method of enhanced cable |
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