CN107274975A - The photovoltaic cable and preparation method of a kind of electromagnetic shielding action - Google Patents
The photovoltaic cable and preparation method of a kind of electromagnetic shielding action Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or 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
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
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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
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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
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention discloses a kind of photovoltaic cable of electromagnetic shielding action and preparation method, the photovoltaic cable includes the core that multiply tinned copper wire is twisted into and the overcoat being coated on outside core, and the overcoat is followed successively by electro-magnetic screen layer, insulating protective layer and wear-resisting waterproof layer from inside to outside；Preparation method includes：First prepare electromagnetic shielding layer material and wear-resisting waterproof layer material；Then in core outer cladding electro-magnetic screen layer, then 180 DEG C of halogen-free flameproof photovoltaic cables irradiation Insulation Materials are extruded on the electro-magnetic screen layer with cable insulation extruding machine, and carry out cross-linking radiation, insulating protective layer is formed；Wear-resisting waterproof layer is uniformly coated in insulating protection layer surface, dries, produces the photovoltaic cable.Photovoltaic cable of the present invention not only has preferable effectiveness, also with preferable anti-flammability and water resistance, the service life of photovoltaic cable is substantially increased, with preferable application value and prospect.
Description
Technical field
The present invention relates to photovoltaic cable technical field, and in particular to a kind of photovoltaic cable of electromagnetic shielding action and preparation side
Method.
Background technology
Heliotechnics is by as one of following green energy resource technology, solar energy or photovoltaic（PV）In China's application increasingly
Extensively, especially being greatly reduced with solar cell raw material production of polysilicon cost, manufacture of solar cells technology in recent years
Become better and approaching perfection day by day, recent years, the yield increase of whole world solar cell was very fast, it may be said that be extremely promising industry.
Under the influence of financial crisis, the Chinese government assign development new energy as the important means revitalized the economy.Undoubtedly too
Positive energy technology is by as one of following green energy resource technology, solar energy or photovoltaic（PV）In China, application is increasingly extensive, builds
The profitability photovoltaic generation factory of economical and efficient, represents all most important targets of solar energy manufacturer and core competitiveness,
And its profitability depends not only on the efficiency or high-performance of solar components itself, its important transmission of electricity work is also be unable to do without
Tool -- photovoltaic cable, but photovoltaic generation factory is built in desert belt mostly, environment extremely dislikes summary, and existing photovoltaic cable,
In such a case, the ability such as its weather resistance, UV resistant, resistance to ozone corrosion and the larger temperature change of resistance is still showed
Barely satisfactory, photovoltaic generation factory needs frequently to change cable to ensure the efficient stable of itself, considerably increases production cost,
It also result in larger environmental pollution simultaneously.And the effectiveness of existing photovoltaic cable is poor, as photovoltaic cable should
Increase, can bring increasing electromagnetic radiation, and certain harm is not only produced to human body, and electromagnetic interference can also influence
The transmission of signal.
Therefore, researching and developing a kind of photovoltaic cable with preferable volume effectiveness turns into the weight studied at present
Point, it may have preferable application prospect and use value.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of photovoltaic cable of electromagnetic shielding action and system
Preparation Method, the photovoltaic cable not only has preferable effectiveness, also with preferable anti-flammability and water resistance, greatly
The big service life for improving photovoltaic cable, with preferable application value and prospect.
The present invention solves technical problem and adopted the following technical scheme that：
The present invention relates to a kind of photovoltaic cable of electromagnetic shielding action, including cable wire body, the cable wire body is plated including multiply
Core that tin copper wire is twisted into and the overcoat being coated on outside core, the overcoat be followed successively by from inside to outside electro-magnetic screen layer,
Insulating protective layer and wear-resisting waterproof layer；
The electro-magnetic screen layer is made up of graphene modified natural rubber nano composite material, includes each group of following parts by weight
Point：60 ~ 80 parts of natural rubber, 0.5 ~ 1.2 part of graphene, 5 ~ 10 parts of vitamin C, 3 ~ 8 parts of age resistor；
Described 180 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin material of insulating protective layer are constituted；
The wear-resisting waterproof layer is graphene modified polyurethane coating, includes each component of following parts by weight：Polyurethane 50 ~ 70
Part, 0.5 ~ 2 part of graphene oxide, 10 ~ 15 parts of isoflurane chalcone diisocyanate, 3 ~ 10 parts of hydrazine hydrate, in addition to solvent N, N- bis-
Appropriate NMF.
Preferably, the electro-magnetic screen layer includes each component of following parts by weight：75 parts of natural rubber, 0.8 part of graphene,
6 parts of vitamin C, 5 parts of age resistor.
Preferably, the wear-resisting waterproof layer includes each component of following parts by weight：60 parts of polyurethane, graphene oxide 1.6
Part, 13 parts of isoflurane chalcone diisocyanate, 8 parts of hydrazine hydrate, in addition to solvent DMF are appropriate.
The invention further relates to a kind of preparation method of the photovoltaic cable of electromagnetic shielding action, comprise the following steps：
（1）The preparation of graphene modified natural rubber nano composite material：By graphene dispersion in aqueous phase, then with rubber latex
Mixing, then adds vitamin C and age resistor is uniformly mixed, then prepares and be combined by flocculation, drying, mixing
Material, it is standby；
（2）The preparation of graphene modified polyurethane paint：Graphene oxide and N,N-dimethylformamide 200 are weighed according to proportioning
10 ~ 20min of ultrasonic disperse in ultrasonic wave is placed in after ~ 500mL, mixing, isoflurane chalcone diisocyanate is added, in 70 ~ 80 DEG C
3 ~ 5h is reacted, then is warming up to 90 ~ 100 DEG C, hydrazine hydrate reduction is added, reaction is washed after terminating with DMF, is done
It is dry, obtain the graphene of functionalization；Then the graphene of functionalization is well mixed with aqueous polyurethane, be placed in ultrasonic wave
20 ~ 30min of ultrasound, produces the graphene modified polyurethane paint, standby；
（3）Many tin-coated copper monofilament are twisted into by conductor wire core by bundle strand filament die so that the conductor wire core outermost layer
Lay ratio be 9, the lay ratio of each layer of conductor wire core adds 2 successively according to order from outside to inside；
（4）In the conductor wire core outer cladding electro-magnetic screen layer, then with cable insulation extruding machine by 180 DEG C of halogen-free flameproof light
Luff cable irradiation Insulation Material is extruded on the electro-magnetic screen layer, and carries out cross-linking radiation, forms insulating protective layer；
（5）In the uniform graphene coated modified polyurethane coating of insulating protection layer surface, dry, produce the photovoltaic cable.
Preferably, the step（2）The preparation of functionalization graphene is the progress reaction preparation under the environmental protection of nitrogen.
Preferably, the step（2）In before being warming up to 90 ~ 100 DEG C, need first by mixture adjust PH to 9 ~ 10.
Preferably, the step（5）Middle drying temperature is 70 ~ 80 DEG C, dries 1 ~ 2h.
Preferably, the step（5）In drying process, cable is in the state stretched and constantly rotated.
Compared with prior art, the present invention has following beneficial effect：
（1）The photovoltaic cable of electromagnetic shielding action of the present invention, with preferable effectiveness, greatly reduces light
Electromagnetic radiation caused by luff cable communication, not only reduces potential safety hazard, also effectively prevent due to being passed caused by signal interference
Defeated deviation；The photovoltaic cable also has preferable anti-flammability and water resistance, improves the safety in utilization of photovoltaic cable, greatly
The big service life for improving photovoltaic cable, with preferable application value and prospect.
（2）Photovoltaic cable of the present invention is used as electromagnetic screen using graphene modified natural rubber nano complexes material
Layer is covered, due to the special construction of the single layer of carbon atom of graphene, makes the nano composite material after its modification that there is preferable power
There is preferable effectiveness while learning performance.
（3）Photovoltaic cable of the present invention uses graphene modified polyurethane coating as wear-resisting waterproof layer, due to stone
Black alkene has lamella conjugated structure, is layering to be formed in the physical isolation layer of densification, polyurethane coating after modification and enters one
Step forms one layer of fine and close diaphragm, plays a part of completely cutting off air, so as to play preferable water-tight corrosion-proof effect；Along with stone
The excellent mechanical property of black alkene so that the polyurethane coating after modified has the preferably power such as preferable scratch-resistant, obdurability
Learn performance；In addition, under the high temperature conditions, graphite ene coatings can generate carbon dioxide and water, and generate finer and close continuous charing
Layer, plays certain fire retardation, effectively prevent the ignition of cable phenomenon caused by circuit question or extraneous factor, significantly
Improve cable safety in utilization.
（4）Using low smoke and zero halogen material, as insulating protective layer, in cable fire occurs for photovoltaic cable of the present invention
Shi Buhui produces toxic gas, greatly reduces the harm to staff and environment.
（5）The preparation method of photovoltaic cable of the present invention is simple, and technological operation is easy, is adapted to industrialization promotion production.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.
Embodiment 1：
The photovoltaic cable and preparation method of a kind of electromagnetic shielding action of the preferred embodiment of the present invention；
The photovoltaic cable of the electromagnetic shielding action, including cable wire body, it is stranded that the cable wire body includes multiply tinned copper wire
Into core and the overcoat that is coated on outside core, the overcoat is followed successively by electro-magnetic screen layer, insulating protective layer from inside to outside
With wear-resisting waterproof layer；
The electro-magnetic screen layer is made up of graphene modified natural rubber nano composite material, includes each group of following parts by weight
Point：75 parts of natural rubber, 0.8 part of graphene, 6 parts of vitamin C, 5 parts of age resistor；
Described 180 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin material of insulating protective layer are constituted；
The wear-resisting waterproof layer is graphene modified polyurethane coating, includes each component of following parts by weight：60 parts of polyurethane, oxygen
1.6 parts of graphite alkene, 13 parts of isoflurane chalcone diisocyanate, 8 parts of hydrazine hydrate, in addition to solvent DMF are suitable
Amount.
The preparation method of the photovoltaic cable of electromagnetic shielding action of the present invention, comprises the following steps：
（1）The preparation of graphene modified natural rubber nano composite material：By graphene dispersion in aqueous phase, then with rubber latex
Mixing, then adds vitamin C and age resistor is uniformly mixed, then prepares and be combined by flocculation, drying, mixing
Material, it is standby；
（2）The preparation of graphene modified polyurethane paint：Graphene oxide and N,N-dimethylformamide are weighed according to proportioning
Ultrasonic disperse 15min in ultrasonic wave is placed in after 400mL, mixing, isoflurane chalcone diisocyanate is added, in 70 ~ 80 DEG C of reactions
4h, then it is warming up to 90 ~ 100 DEG C, hydrazine hydrate reduction is added, reaction is washed after terminating with DMF, is dried, is obtained
The graphene of functionalization；Then the graphene of functionalization is well mixed with aqueous polyurethane, be placed in ultrasonic wave ultrasonic
20min, produces the graphene modified polyurethane paint, standby；
（3）Many tin-coated copper monofilament are twisted into by conductor wire core by bundle strand filament die so that the conductor wire core outermost layer
Lay ratio be 9, the lay ratio of each layer of conductor wire core adds 2 successively according to order from outside to inside；
（4）In the conductor wire core outer cladding electro-magnetic screen layer, then with cable insulation extruding machine by 180 DEG C of halogen-free flameproof light
Luff cable irradiation Insulation Material is extruded on the electro-magnetic screen layer, and carries out cross-linking radiation, forms insulating protective layer；
（5）In the uniform graphene coated modified polyurethane coating of insulating protection layer surface, in 70 ~ 80 DEG C, 1.5h is dried, institute is produced
Photovoltaic cable is stated, wherein, in drying process, cable is in the state stretched and constantly rotated.
Step（2）The preparation of functionalization graphene is the progress reaction preparation under the environmental protection of nitrogen, prevents from reacting
Graphene is oxidized again in journey.
Step（2）In before being warming up to 90 ~ 100 DEG C, need first by mixture adjust PH to 9 ~ 10.
Embodiment 2：
The photovoltaic cable and preparation method of a kind of electromagnetic shielding action of the preferred embodiment of the present invention；
The photovoltaic cable of the electromagnetic shielding action, including cable wire body, it is stranded that the cable wire body includes multiply tinned copper wire
Into core and the overcoat that is coated on outside core, the overcoat is followed successively by electro-magnetic screen layer, insulating protective layer from inside to outside
With wear-resisting waterproof layer；
The electro-magnetic screen layer is made up of graphene modified natural rubber nano composite material, includes each group of following parts by weight
Point：60 parts of natural rubber, 0.5 part of graphene, 5 parts of vitamin C, 3 parts of age resistor；
Described 180 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin material of insulating protective layer are constituted；
The wear-resisting waterproof layer is graphene modified polyurethane coating, includes each component of following parts by weight：50 parts of polyurethane, oxygen
0.5 part of graphite alkene, 10 parts of isoflurane chalcone diisocyanate, 3 parts of hydrazine hydrate, in addition to solvent DMF are suitable
Amount.
The preparation method of the photovoltaic cable of electromagnetic shielding action of the present invention, comprises the following steps：
（1）The preparation of graphene modified natural rubber nano composite material：By graphene dispersion in aqueous phase, then with rubber latex
Mixing, then adds vitamin C and age resistor is uniformly mixed, then prepares and be combined by flocculation, drying, mixing
Material, it is standby；
（2）The preparation of graphene modified polyurethane paint：Graphene oxide and N,N-dimethylformamide are weighed according to proportioning
Ultrasonic disperse 10min in ultrasonic wave is placed in after 200mL, mixing, isoflurane chalcone diisocyanate is added, 5h is reacted in 70 DEG C,
90 DEG C are warming up to again, hydrazine hydrate reduction is added, and reaction is washed after terminating with DMF, is dried, is obtained functionalization
Graphene；Then the graphene of functionalization is well mixed with aqueous polyurethane, is placed in ultrasound 20min in ultrasonic wave, i.e.,
The graphene modified polyurethane paint is obtained, it is standby；
（3）Many tin-coated copper monofilament are twisted into by conductor wire core by bundle strand filament die so that the conductor wire core outermost layer
Lay ratio be 9, the lay ratio of each layer of conductor wire core adds 2 successively according to order from outside to inside；
（4）In the conductor wire core outer cladding electro-magnetic screen layer, then with cable insulation extruding machine by 180 DEG C of halogen-free flameproof light
Luff cable irradiation Insulation Material is extruded on the electro-magnetic screen layer, and carries out cross-linking radiation, forms insulating protective layer；
（5）In the uniform graphene coated modified polyurethane coating of insulating protection layer surface, in 70 DEG C, 2h is dried, the light is produced
Luff cable, wherein, in drying process, cable is in the state stretched and constantly rotated.
Step（2）The preparation of functionalization graphene is the progress reaction preparation under the environmental protection of nitrogen.
Step（2）In before being warming up to 90 DEG C, need first by mixture adjust PH to 9 ~ 10.
Embodiment 3：
The photovoltaic cable and preparation method of a kind of electromagnetic shielding action of the preferred embodiment of the present invention；
The photovoltaic cable of the electromagnetic shielding action, including cable wire body, it is stranded that the cable wire body includes multiply tinned copper wire
Into core and the overcoat that is coated on outside core, the overcoat is followed successively by electro-magnetic screen layer, insulating protective layer from inside to outside
With wear-resisting waterproof layer；
The electro-magnetic screen layer is made up of graphene modified natural rubber nano composite material, includes each group of following parts by weight
Point：80 parts of natural rubber, 1.2 parts of graphene, 10 parts of vitamin C, 8 parts of age resistor；
Described 180 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin material of insulating protective layer are constituted；
The wear-resisting waterproof layer is graphene modified polyurethane coating, includes each component of following parts by weight：70 parts of polyurethane, oxygen
2 parts of graphite alkene, 15 parts of isoflurane chalcone diisocyanate, 10 parts of hydrazine hydrate, in addition to solvent DMF are appropriate.
The preparation method of the photovoltaic cable of electromagnetic shielding action of the present invention, comprises the following steps：
（1）The preparation of graphene modified natural rubber nano composite material：By graphene dispersion in aqueous phase, then with rubber latex
Mixing, then adds vitamin C and age resistor is uniformly mixed, then prepares and be combined by flocculation, drying, mixing
Material, it is standby；
（2）The preparation of graphene modified polyurethane paint：Graphene oxide and N,N-dimethylformamide are weighed according to proportioning
Ultrasonic disperse 20min in ultrasonic wave is placed in after 500mL, mixing, isoflurane chalcone diisocyanate is added, 3h is reacted in 80 DEG C,
100 DEG C are warming up to again, hydrazine hydrate reduction is added, and reaction is washed after terminating with DMF, is dried, is obtained functionalization
Graphene；Then the graphene of functionalization is well mixed with aqueous polyurethane, is placed in ultrasound 30min in ultrasonic wave, i.e.,
The graphene modified polyurethane paint is obtained, it is standby；
（3）Many tin-coated copper monofilament are twisted into by conductor wire core by bundle strand filament die so that the conductor wire core outermost layer
Lay ratio be 9, the lay ratio of each layer of conductor wire core adds 2 successively according to order from outside to inside；
（4）In the conductor wire core outer cladding electro-magnetic screen layer, then with cable insulation extruding machine by 180 DEG C of halogen-free flameproof light
Luff cable irradiation Insulation Material is extruded on the electro-magnetic screen layer, and carries out cross-linking radiation, forms insulating protective layer；
（5）In the uniform graphene coated modified polyurethane coating of insulating protection layer surface, in 80 DEG C, 1h is dried, the light is produced
Luff cable, wherein, in drying process, cable is in the state stretched and constantly rotated.
Step（2）The preparation of functionalization graphene is the progress reaction preparation under the environmental protection of nitrogen.
Step（2）In before being warming up to 100 DEG C, need first by mixture adjust PH to 9 ~ 10.
In summary, the photovoltaic cable of electromagnetic shielding action of the present invention, with preferable effectiveness, greatly
It is big to reduce electromagnetic radiation caused by photovoltaic cable communication, potential safety hazard is not only reduced, also be effectively prevent because signal is dry
Disturb caused transmission deviation；The photovoltaic cable also has preferable anti-flammability and water resistance, improves making for photovoltaic cable
With security, the service life of photovoltaic cable is substantially increased, with preferable application value and prospect.In addition, described prepare
Method is simple and convenient to operate, and is adapted to industrial applications, with preferable application value.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of photovoltaic cable of electromagnetic shielding action, including cable wire body, it is characterised in that：The cable wire body includes multiply
The core that tinned copper wire is twisted into is followed successively by electromagnetic shielding from inside to outside with the overcoat being coated on outside core, the overcoat
Layer, insulating protective layer and wear-resisting waterproof layer；
The electro-magnetic screen layer is made up of graphene modified natural rubber nano composite material, includes each group of following parts by weight
Point：60 ~ 80 parts of natural rubber, 0.5 ~ 1.2 part of graphene, 5 ~ 10 parts of vitamin C, 3 ~ 8 parts of age resistor；
Described 180 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin material of insulating protective layer are constituted；
The wear-resisting waterproof layer is graphene modified polyurethane coating, includes each component of following parts by weight：Polyurethane 50 ~ 70
Part, 0.5 ~ 2 part of graphene oxide, 10 ~ 15 parts of isoflurane chalcone diisocyanate, 3 ~ 10 parts of hydrazine hydrate, in addition to solvent N, N- bis-
Appropriate NMF.
2. the photovoltaic cable of electromagnetic shielding action according to claim 1, it is characterised in that：The electro-magnetic screen layer includes
The each component of following parts by weight：75 parts of natural rubber, 0.8 part of graphene, 6 parts of vitamin C, 5 parts of age resistor.
3. the photovoltaic cable of electromagnetic shielding action according to claim 1, it is characterised in that：The wear-resisting waterproof layer includes
The each component of following parts by weight：60 parts of polyurethane, 1.6 parts of graphene oxide, 13 parts of isoflurane chalcone diisocyanate, hydrazine hydrate 8
Part, in addition to solvent DMF are appropriate.
4. the method that one kind prepares the photovoltaic cable of the electromagnetic shielding action as described in any one of claim 1 ~ 3, its feature exists
In：Comprise the following steps：
（1）The preparation of graphene modified natural rubber nano composite material：By graphene dispersion in aqueous phase, then with rubber latex
Mixing, then adds vitamin C and age resistor is uniformly mixed, then prepares and be combined by flocculation, drying, mixing
Material, it is standby；
（2）The preparation of graphene modified polyurethane paint：Graphene oxide and N,N-dimethylformamide 200 are weighed according to proportioning
10 ~ 20min of ultrasonic disperse in ultrasonic wave is placed in after ~ 500mL, mixing, isoflurane chalcone diisocyanate is added, in 70 ~ 80 DEG C
3 ~ 5h is reacted, then is warming up to 90 ~ 100 DEG C, hydrazine hydrate reduction is added, reaction is washed after terminating with DMF, is done
It is dry, obtain the graphene of functionalization；Then the graphene of functionalization is well mixed with aqueous polyurethane, be placed in ultrasonic wave
20 ~ 30min of ultrasound, produces the graphene modified polyurethane paint, standby；
（3）Many tin-coated copper monofilament are twisted into by conductor wire core by bundle strand filament die so that the conductor wire core outermost layer
Lay ratio be 9, the lay ratio of each layer of conductor wire core adds 2 successively according to order from outside to inside；
（4）In the conductor wire core outer cladding electro-magnetic screen layer, then with cable insulation extruding machine by 180 DEG C of halogen-free flameproof light
Luff cable irradiation Insulation Material is extruded on the electro-magnetic screen layer, and carries out cross-linking radiation, forms insulating protective layer；
（5）In the uniform graphene coated modified polyurethane coating of insulating protection layer surface, dry, produce the photovoltaic cable.
5. the preparation method of the photovoltaic cable of electromagnetic shielding action according to claim 4, it is characterised in that：The step
（2）The preparation of functionalization graphene is the progress reaction preparation under the environmental protection of nitrogen.
6. the preparation method of the photovoltaic cable of electromagnetic shielding action according to claim 4, it is characterised in that：The step
（2）In before being warming up to 90 ~ 100 DEG C, need first by mixture adjust PH to 9 ~ 10.
7. the preparation method of the photovoltaic cable of electromagnetic shielding action according to claim 4, it is characterised in that：The step
（5）Middle drying temperature is 70 ~ 80 DEG C, dries 1 ~ 2h.
8. the preparation method of the photovoltaic cable of electromagnetic shielding action according to claim 4, it is characterised in that：The step
（5）In drying process, cable is in the state stretched and constantly rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710425139.4A CN107274975A (en) | 2017-06-08 | 2017-06-08 | The photovoltaic cable and preparation method of a kind of electromagnetic shielding action |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109401126A (en) * | 2018-11-01 | 2019-03-01 | 肥西县创玺建材科技有限公司 | A kind of high performance communication cable sheath material |
| CN113105710A (en) * | 2021-05-24 | 2021-07-13 | 东莞市希知科技有限公司 | High resistant environment-friendly modified polyurethane photovoltaic cable that splits that waits |
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| US20130101747A1 (en) * | 2011-07-08 | 2013-04-25 | General Cable Technologies Corporation | Method for shielding cable components |
| CN104130669A (en) * | 2014-08-13 | 2014-11-05 | 陕西科技大学 | Highly hydrophobic antistatic composite coating and preparation method thereof |
| CN104211999A (en) * | 2014-09-22 | 2014-12-17 | 安徽电气集团股份有限公司 | Modified graphene cable material |
| CN205247972U (en) * | 2015-12-08 | 2016-05-18 | 禾达材料科技股份有限公司 | Use nano -material's signal and cable conductor structure for power transmission |
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| US20130101747A1 (en) * | 2011-07-08 | 2013-04-25 | General Cable Technologies Corporation | Method for shielding cable components |
| CN104130669A (en) * | 2014-08-13 | 2014-11-05 | 陕西科技大学 | Highly hydrophobic antistatic composite coating and preparation method thereof |
| CN104211999A (en) * | 2014-09-22 | 2014-12-17 | 安徽电气集团股份有限公司 | Modified graphene cable material |
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| CN109401126A (en) * | 2018-11-01 | 2019-03-01 | 肥西县创玺建材科技有限公司 | A kind of high performance communication cable sheath material |
| CN109401126B (en) * | 2018-11-01 | 2020-12-25 | 上海凯波电缆特材股份有限公司 | High-performance communication cable sheath material |
| CN113105710A (en) * | 2021-05-24 | 2021-07-13 | 东莞市希知科技有限公司 | High resistant environment-friendly modified polyurethane photovoltaic cable that splits that waits |
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