CN108922684B - A kind of cable with icing protection - Google Patents

A kind of cable with icing protection Download PDF

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Publication number
CN108922684B
CN108922684B CN201810698819.8A CN201810698819A CN108922684B CN 108922684 B CN108922684 B CN 108922684B CN 201810698819 A CN201810698819 A CN 201810698819A CN 108922684 B CN108922684 B CN 108922684B
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China
Prior art keywords
layer
deicer
cloth
cable
composite
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CN201810698819.8A
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CN108922684A (en
Inventor
王海明
杨卫国
周勇
许国刚
孔惠利
崔传波
罗玉明
郑方
程兵
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Huimin Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Huimin Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Publication of CN108922684A publication Critical patent/CN108922684A/en
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    • 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
    • H01B9/021—Features relating to screening tape per se
    • 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
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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
    • H01B7/0216—Two layers
    • 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
    • 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
    • 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
    • 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
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • 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
    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The present invention relates to technical field of electric power transmission, specially a kind of cable with icing protection, it from inside to outside successively include cable core, insulating layer, composite shielding layer, composite phase-change material layer, restrictive coating, the restrictive coating successively includes super-hydrophobic coat, uvioresistant layer of cloth, anti-freeze material layer from outside to inside, and the anti-freeze material layer is made of high-hydroscopicity non-woven scrim cloth and the deicer being adsorbed on water imbibition non-woven scrim cloth；Screw-casing is arranged with outside the restrictive coating, the screw-casing can be rotated, and the screw-casing surface layer is coated with super-hydrophobic coat.Cable of the present invention has the function of preventing solidifying ice and deicing.

Description

A kind of cable with icing protection
Technical field
The present invention relates to technical field of electric power transmission, specially a kind of cable with icing protection.
Background technique
High voltage overhead line can generate certain heat under conditions of transmission of electricity, and in winter, since temperature is low, high pressure is defeated The heat that electric wire generates under conditions of transmission of electricity can be absorbed at once by the low temperature of surrounding, therefore under the weather conditions such as sleet, lead It causes the snowflake of attachment to convert liquid form from solid-state form, eventually leads to and be easy to happen icing phenomenon on transmission line of electricity.Once defeated The ice covering thickness of electric line is more than the ice covering thickness that design allows, and is easy for breaking down, and due to transmission line of electricity power supply distance Long, the capacity of transmission of electricity is big, once it breaking down, it will electricity unit and individual to downstream cause the huge economic damage of total amount It loses.Therefore, it is the fundamental importance that modern society runs well that transmission line of electricity, which stablizes supply electric power, and cable is anti-icing, which to become one, has The research topic of extremely strong realistic meaning.
Technical solution
To solve above-mentioned problems of the prior art, the present invention provides a kind of cable with icing protection, Specific technical solution is as follows:
A kind of cable with icing protection successively includes cable core, insulating layer, composite shielding layer, compound from inside to outside Phase-change material layers, restrictive coating；
The restrictive coating is described anti-from outside to inside successively including super-hydrophobic coat, uvioresistant layer of cloth, anti-freeze material layer Icing material layer is made of high-hydroscopicity non-woven scrim cloth and the deicer being adsorbed on water imbibition non-woven scrim cloth；Institute It states and is arranged with screw-casing outside restrictive coating, the screw-casing can be rotated, and the screw-casing surface layer is coated with super-hydrophobic coat；
The composite phase-change material layer includes the high temperature composite phase-change material layer of internal layer and the low temperature composite phase-change material of outer layer The bed of material；
The composite shielding layer successively includes that the first conductive layer of cloth, copper alloy and aramid fibre are compound from inside to outside Material layer, the second conductive layer of cloth；
The cable core includes conductor, the insulating layer of conductor being coated on outside conductor, the cable core packing material for filling cable core gap.
Preferably, the uvioresistant layer of cloth is woven by uvioresistant fiber, the cable core packing material is to receive Meter Wei Kong heat-barrier material, the first conductive fabric and the second conductive fabric are the pieces of cloth for being coated with metal, the pieces of cloth or mirror for spraying conductive paint Penetrate the pieces of cloth of conductive paint.
Preferably, the anti-freeze material layer is prepared by following methods: by high-hydroscopicity non-woven scrim cloth in true It is immersed in deicer solution under empty condition, fully absorbs it, finally squeezed and remove extra deicer solution.
Preferably, the super-hydrophobic coat comprises the following components in parts by weight: fluorinated silicone modified acrylate 50-60 Part, 4-8 parts of fluorine-containing surfactant, 60-70 parts of solvent, diatomite -15-20 parts of deicer composite material.
Preferably, the diatomite-deicer composite material is prepared by following methods:
(1) diatomite is dried in vacuo 12h under the conditions of 90-110 DEG C, it is spare；
(2) deicer and water are mixed under room temperature, obtain uniform solution；
(3) step 2 acquired solution is slowly dropped in diatomite dry obtained by step 1, until being absorbed into saturation, so 12h is dried in vacuo under the conditions of 90-100 DEG C afterwards, removes excessive moisture；
(4) according to the fusing point of corresponding deicer, by step 3 products therefrom in the fusing point 20- for being higher than corresponding deicer 3-5h is handled under the conditions of 30 DEG C of temperature, obtains the diatomite-deicer composite material after cooling.
Preferably, the anti-freezing agent is villaumite or Lu Limei, the villaumite is sodium chloride or calcium chloride or magnesium chloride.
Beneficial effect
(1) restrictive coating of the cable of the present invention with icing protection, outermost layer are coated with super-hydrophobic coat, tool There is low surface tension, high hydrophobic, hate ice, the adhesive force of water and ice can be reduced to the maximum extent, it is made easily to fall off, to reach To the purpose for preventing solidifying ice and deicing.Injury of the ultraviolet light to restrictive coating can be greatly reduced in uvioresistant layer of cloth, extend shield The service life of jacket layer.Anti-freeze material layer is by high-hydroscopicity non-woven scrim cloth and is adsorbed on anti-on water imbibition non-woven scrim cloth Icing agent composition, fixative of the high-hydroscopicity non-woven fibre as deicer, deicer, which can play, to be prevented solidifying ice and removes The purpose of ice.Screw-casing surface layer is coated with super-hydrophobic coat, can reduce to the maximum extent the adhesive force of water and ice, in wind and Under the action of natural force, screw-casing is rotatable, water on restrictive coating and ice can be made to fall off, so that reaching prevents solidifying ice and remove The purpose of ice.
(2) cable of the present invention with icing protection is provided with composite phase-change material layer, and the high temperature of internal layer is multiple Conjunction phase-change material layers can slow down heat and escape, and can prevent cladding material from crossing heat ageing, the low temperature composite phase-change material of outer layer Layer can keep cable outer surface in lower temperature state, and power transmission cable outer surface is avoided to lead to snow melt knot due to inner core fever Ice, while cable material can be prevented cold short, extend the service life of cable covering and insulating layer.
(3) the first of composite shielding layer setting the conductive layer of cloth, the second conductive layer of cloth have high flexibility, make it than simple gold It is more soft to belong to the cable with shielding, and then guarantees service life, the shielding design of high flexibility keeps the installation radius of cable smaller, It is more easy to install and not easy to break or broken.
(4) contain diatomite-deicer composite material in super-hydrophobic coat of the present invention, can play anti-freeze Effect, carrier of the diatomite as deicer can extend the term of validity of deicer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the cable of icing protection described in the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of restrictive coating described in the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of restrictive coating described in the embodiment of the present invention 1；
Fig. 4 is the structural schematic diagram of composite shielding layer described in the embodiment of the present invention 1；
Wherein: 1: conductor；2: insulating layer；3: composite shielding layer；4: high temperature composite phase-change material layer；5: restrictive coating；6: super Hydrophobic coating；7: uvioresistant layer of cloth；8: anti-freeze material layer；9: screw-casing；10: low temperature composite phase-change material layer；11: the first Conductive layer of cloth；12: copper alloy and aramid fiber composites layer；13: the second conductive layer of cloths；14: insulating layer of conductor； 15: cable core packing material.
Specific embodiment
Embodiment 1
It from inside to outside successively include cable core, insulating layer 2, compound as shown in Figure 1, a kind of cable with icing protection Shielded layer 3, composite phase-change material layer, restrictive coating 5；
As shown in Fig. 2, the restrictive coating 5 from outside to inside successively include super-hydrophobic coat 6, it is uvioresistant layer of cloth 7, anti-freeze Material layer 8, the anti-freeze material layer is by high-hydroscopicity non-woven scrim cloth and is adsorbed on water imbibition non-woven scrim cloth Deicer composition.As shown in figure 3, being arranged with screw-casing 9 outside the restrictive coating, the screw-casing 9 be can be rotated, the screw-casing 9 surface layers are coated with super-hydrophobic coat；
The composite phase-change material layer includes the high temperature composite phase-change material layer 4 of internal layer and the low temperature composite phase-change material of outer layer The bed of material 10；
As shown in figure 4, the composite shielding layer 3 successively includes the first conductive layer of cloth 11, copper alloy and aromatics from inside to outside The conductive layer of cloth 13 of Fypro composite layer 12, second；
The cable core includes conductor 1, the insulating layer of conductor being coated on outside conductor 14, the cable core filling material for filling cable core gap Material 15.
Embodiment 2
A kind of cable with icing protection successively includes cable core, insulating layer 2, composite shielding layer 3, answers from inside to outside Close phase-change material layers, restrictive coating 5；
The restrictive coating 5 successively includes super-hydrophobic coat 6, uvioresistant layer of cloth 7, anti-freeze material layer 8, institute from outside to inside Anti-freeze material layer is stated by high-hydroscopicity non-woven scrim cloth and the deicer group being adsorbed on water imbibition non-woven scrim cloth At；Screw-casing 9 is arranged with outside the restrictive coating, the screw-casing 9 can be rotated, and 9 surface layer of screw-casing is coated with super-hydrophobic painting Layer；
The composite phase-change material layer includes the high temperature composite phase-change material layer 4 of internal layer and the low temperature composite phase-change material of outer layer The bed of material 10；
The composite shielding layer 3 successively includes the first conductive layer of cloth 11, copper alloy and aramid fibre from inside to outside The conductive layer of cloth 13 of composite layer 12, second；
The cable core includes conductor 1, the insulating layer of conductor being coated on outside conductor 14, the cable core filling material for filling cable core gap Material 15.
The uvioresistant layer of cloth is woven by uvioresistant fiber, and the cable core packing material is that nanometer micropore is heat-insulated Material.The anti-freeze material layer is prepared by following methods: high-hydroscopicity non-woven scrim cloth is immersed under vacuum condition In deicer solution, it is fully absorbed, finally squeezes and remove extra deicer solution.
Embodiment 3
A kind of cable with icing protection successively includes cable core, insulating layer 2, composite shielding layer 3, answers from inside to outside Close phase-change material layers, restrictive coating 5；
The restrictive coating 5 successively includes super-hydrophobic coat 6, uvioresistant layer of cloth 7, anti-freeze material layer 8, institute from outside to inside Anti-freeze material layer is stated by high-hydroscopicity non-woven scrim cloth and the deicer group being adsorbed on water imbibition non-woven scrim cloth At；Screw-casing 9 is arranged with outside the restrictive coating, the screw-casing 9 can be rotated, and 9 surface layer of screw-casing is coated with super-hydrophobic painting Layer；
The composite phase-change material layer includes the high temperature composite phase-change material layer 4 of internal layer and the low temperature composite phase-change material of outer layer The bed of material 10；
The composite shielding layer 3 successively includes the first conductive layer of cloth 11, copper alloy and aramid fibre from inside to outside The conductive layer of cloth 13 of composite layer 12, second；
The cable core includes conductor 1, the insulating layer of conductor being coated on outside conductor 14, the cable core filling material for filling cable core gap Material 15.
The uvioresistant layer of cloth is woven by uvioresistant fiber, and the cable core packing material is that nanometer micropore is heat-insulated Material.The anti-freeze material layer is prepared by following methods: high-hydroscopicity non-woven scrim cloth is immersed under vacuum condition In deicer solution, it is fully absorbed, finally squeezes and remove extra deicer solution.
The super-hydrophobic coat comprises the following components in parts by weight: fluorinated silicone modified 60 parts of acrylate, fluorochemical surface are living Property 8 parts of agent, 70 parts of solvent, diatomite -20 parts of deicer composite material.
The diatomite-deicer composite material is prepared by following methods:
(1) diatomite is dried in vacuo 12h under the conditions of 110 DEG C, it is spare；
(2) deicer and water are mixed under room temperature, obtain uniform solution；
(3) step 2 acquired solution is slowly dropped in diatomite dry obtained by step 1, until being absorbed into saturation, so 12h is dried in vacuo under the conditions of 100 DEG C afterwards, removes excessive moisture；
(4) according to the fusing point of corresponding deicer, step 3 products therefrom is being higher than 30 DEG C of fusing point of corresponding deicer Temperature under the conditions of handle 3h, obtain the diatomite-deicer composite material after cooling.
The anti-freezing agent calcium chloride.
Embodiment 4
A kind of cable with icing protection successively includes cable core, insulating layer 2, composite shielding layer 3, answers from inside to outside Close phase-change material layers, restrictive coating 5；
The restrictive coating 5 successively includes super-hydrophobic coat 6, uvioresistant layer of cloth 7, anti-freeze material layer 8, institute from outside to inside Anti-freeze material layer is stated by high-hydroscopicity non-woven scrim cloth and the deicer group being adsorbed on water imbibition non-woven scrim cloth At；Screw-casing 9 is arranged with outside the restrictive coating, the screw-casing 9 can be rotated, and 9 surface layer of screw-casing is coated with super-hydrophobic painting Layer；
The composite phase-change material layer includes the high temperature composite phase-change material layer 4 of internal layer and the low temperature composite phase-change material of outer layer The bed of material 10；
The composite shielding layer 3 successively includes the first conductive layer of cloth 11, copper alloy and aramid fibre from inside to outside The conductive layer of cloth 13 of composite layer 12, second；
The cable core includes conductor 1, the insulating layer of conductor being coated on outside conductor 14, the cable core filling material for filling cable core gap Material 15.
The uvioresistant layer of cloth is woven by uvioresistant fiber, and the cable core packing material is that nanometer micropore is heat-insulated Material.
The anti-freeze material layer is prepared by following methods: high-hydroscopicity non-woven scrim cloth is soaked under vacuum condition Enter in deicer solution, fully absorb it, finally squeezes and remove extra deicer solution.
The super-hydrophobic coat comprises the following components in parts by weight: fluorinated silicone modified 50 parts of acrylate, fluorochemical surface are living Property 4 parts of agent, 60 parts of solvent, diatomite -15 parts of deicer composite material.
The diatomite-deicer composite material is prepared by following methods:
(1) diatomite is dried in vacuo 18h under the conditions of 90 DEG C, it is spare；
(2) deicer and water are mixed under room temperature, obtain uniform solution；
(3) step 2 acquired solution is slowly dropped in diatomite dry obtained by step 1, until being absorbed into saturation, so 18h is dried in vacuo under the conditions of 90 DEG C afterwards, removes excessive moisture；
(4) according to the fusing point of corresponding deicer, step 3 products therefrom is being higher than 20 DEG C of fusing point of corresponding deicer Temperature under the conditions of handle 5h, obtain the diatomite-deicer composite material after cooling.
The anti-freezing agent is sodium chloride.
The insulating layer comprises the following components in parts by weight: 70 parts of ethylene-methacrylic acid copolymer, polyamide 20 Part, it is 40 parts of hyperbranched polyether modified cyanurotriamide, 10 parts modified of glass fibre of poly- phosphamide fire retardant, 5 parts of filler, hollow 5 parts of glass microballoon, the filler is the mixture of waste mushroom and clay.
The modified glass fibre of the poly- phosphamide fire retardant is prepared by following methods:
(1) glass fibre is added in hydrogen peroxide, then ultrasonic disperse is heated to reflux, then filter mixture and be used in combination Deionized water washing, vacuum drying obtain hydroxylating glass fibre；
(2) hydroxylating glass fibre is reacted with amino silicane coupling agent, obtains amination glass fibre；
(3) poly- phosphamide fire retardant, vinyl methyl dimethoxysilane, azodiisobutyronitrile are added in chloroform, machine Under conditions of tool stirring and nitrogen protection, it is heated to reflux, then mixture is filtered and is washed with deionized, be dried in vacuo To silicone-modified phosphamide fire retardant；
(4) amination glass fibre and ethyl alcohol are mixed, adds silicone-modified phosphamide fire retardant, mechanical stirring It under conditions of nitrogen protection, is heated to reflux, then mixture is filtered to and used ethanol washing, vacuum drying obtains described poly- The modified glass fibre of phosphamide fire retardant.
Embodiment 5
A kind of cable with icing protection successively includes cable core, insulating layer 2, composite shielding layer 3, answers from inside to outside Close phase-change material layers, restrictive coating 5；
The restrictive coating 5 successively includes super-hydrophobic coat 6, uvioresistant layer of cloth 7, anti-freeze material layer 8, institute from outside to inside Anti-freeze material layer is stated by high-hydroscopicity non-woven scrim cloth and the deicer group being adsorbed on water imbibition non-woven scrim cloth At；Screw-casing 9 is arranged with outside the restrictive coating, the screw-casing 9 can be rotated, and 9 surface layer of screw-casing is coated with super-hydrophobic painting Layer；
The composite phase-change material layer includes the high temperature composite phase-change material layer 4 of internal layer and the low temperature composite phase-change material of outer layer The bed of material 10；
The composite shielding layer 3 successively includes the first conductive layer of cloth 11, copper alloy and aramid fibre from inside to outside The conductive layer of cloth 13 of composite layer 12, second；
The cable core includes conductor 1, the insulating layer of conductor being coated on outside conductor 14, the cable core filling material for filling cable core gap Material 15.
The uvioresistant layer of cloth is woven by uvioresistant fiber, and the cable core packing material is that nanometer micropore is heat-insulated Material, the first conductive fabric and the second conductive fabric are the pieces of cloth for being coated with metal, the pieces of cloth or mirror conductive paint for spraying conductive paint Pieces of cloth.
The anti-freeze material layer is prepared by following methods: high-hydroscopicity non-woven scrim cloth is soaked under vacuum condition Enter in deicer solution, fully absorb it, finally squeezes and remove extra deicer solution.
The super-hydrophobic coat comprises the following components in parts by weight: fluorinated silicone modified 40 parts of acrylate, fluorochemical surface are living Property 6 parts of agent, 65 parts of solvent, diatomite -18 parts of deicer composite material.
The diatomite-deicer composite material is prepared by following methods:
(1) diatomite is dried in vacuo 15h under the conditions of 100 DEG C, it is spare；
(2) deicer and water are mixed under room temperature, obtain uniform solution；
(3) step 2 acquired solution is slowly dropped in diatomite dry obtained by step 1, until being absorbed into saturation, so 13h is dried in vacuo under the conditions of 95 DEG C afterwards, removes excessive moisture；
(4) according to the fusing point of corresponding deicer, step 3 products therefrom is being higher than 20 DEG C of fusing point of corresponding deicer Temperature under the conditions of handle 4h, obtain the diatomite-deicer composite material after cooling.
The anti-freezing agent is magnesium chloride.
The insulating layer comprises the following components in parts by weight: 80 parts of ethylene-methacrylic acid copolymer, polyamide 30 Part, 50 parts of hyperbranched polyether modified cyanurotriamide, 20 parts modified of glass fibre of poly- phosphamide fire retardant, 15 parts of filler, sky 10 parts of heart glass microballoon, the filler is the mixture of waste mushroom and clay.
The modified glass fibre of the poly- phosphamide fire retardant is prepared by following methods:
(1) glass fibre is added in hydrogen peroxide, then ultrasonic disperse is heated to reflux, then filter mixture and be used in combination Deionized water washing, vacuum drying obtain hydroxylating glass fibre；
(2) hydroxylating glass fibre is reacted with amino silicane coupling agent, obtains amination glass fibre；
(3) poly- phosphamide fire retardant, vinyl methyl dimethoxysilane, azodiisobutyronitrile are added in chloroform, machine Under conditions of tool stirring and nitrogen protection, it is heated to reflux, then mixture is filtered and is washed with deionized, be dried in vacuo To silicone-modified phosphamide fire retardant；
(4) amination glass fibre and ethyl alcohol are mixed, adds silicone-modified phosphamide fire retardant, mechanical stirring It under conditions of nitrogen protection, is heated to reflux, then mixture is filtered to and used ethanol washing, vacuum drying obtains described poly- The modified glass fibre of phosphamide fire retardant.
Insulating layer of the present invention is realized high by the synergistic effect between each ingredient while realizing high fire-retardance effect Electric insulating effect.It uses waste mushroom for filler reinforcement material, realizes the resource utilization of waste mushroom, saved natural resources, Environmental pollution is reduced, with the far reaching significance in terms of energy conservation and environmental protection.In the present invention, phosphonium flame retardant modified glass-fiber is added It is added in insulating materials, the mechanical property of material not only can be improved, moreover, guaranteeing the flame retardant property of composite material, take into account resistance Performance and mechanical property are fired, reduces the influence to density of material to the greatest extent.

Claims (6)

1. a kind of cable with icing protection, it is characterised in that: from inside to outside successively include cable core, insulating layer, combined screen Cover layer, composite phase-change material layer, restrictive coating；
The restrictive coating is described anti-freeze from outside to inside successively including super-hydrophobic coat, uvioresistant layer of cloth, anti-freeze material layer Material layer is made of high-hydroscopicity non-woven scrim cloth and the deicer being adsorbed on high-hydroscopicity non-woven scrim cloth；It is described Composite phase-change material layer includes the high temperature composite phase-change material layer of internal layer and the low temperature composite phase-change material layer of outer layer；The sheath Layer is outer to be arranged with screw-casing, and the screw-casing can be rotated, and the screw-casing surface layer is coated with super-hydrophobic coat；
The composite shielding layer successively includes the first conductive layer of cloth, copper alloy and aramid fiber composites from inside to outside Layer, the second conductive layer of cloth；
The super-hydrophobic coat comprises the following components in parts by weight: fluorinated silicone modified 50-60 parts of acrylate, fluorine-containing surfactants 4-8 parts of agent, 60-70 parts of solvent, diatomite -15-20 parts of deicer composite material；
The diatomite-deicer composite material is prepared by following methods:
(1) diatomite is dried in vacuo 12h-18h under the conditions of 90-110 DEG C, it is spare；
(2) deicer and water are mixed under room temperature, obtain uniform solution；
(3) step 2 acquired solution is slowly dropped in diatomite dry obtained by step 1, until being absorbed into saturation, is then existed It is dried in vacuo 12h-18h under the conditions of 90-100 DEG C, removes excessive moisture；
(4) according to the fusing point of corresponding deicer, step 3 products therefrom is being higher than 20-30 DEG C of fusing point of corresponding deicer Temperature under the conditions of handle 3-5h, obtain the diatomite-deicer composite material after cooling.
2. the cable according to claim 1 with icing protection, it is characterised in that: the uvioresistant layer of cloth is by resisting Ultraviolet light fibrage forms.
3. the cable according to claim 1 with icing protection, it is characterised in that: the cable core includes conductor, packet The cable core packing material for overlaying on insulating layer of conductor outside conductor, filling cable core gap.
4. the cable according to claim 3 with icing protection, it is characterised in that: the cable core packing material is to receive Meter Wei Kong heat-barrier material.
5. the cable according to claim 1 with icing protection, it is characterised in that: the anti-freeze material layer by Following methods preparation: high-hydroscopicity non-woven scrim cloth is immersed in deicer solution under vacuum condition, inhales it sufficiently It receives, finally squeezes and remove extra deicer solution.
6. the cable according to claim 1 with icing protection, it is characterised in that: the deicer be villaumite or Lu Limei, the villaumite are sodium chloride or calcium chloride or magnesium chloride.
CN201810698819.8A 2018-06-29 2018-06-29 A kind of cable with icing protection Active CN108922684B (en)

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CN100537673C (en) * 2005-11-08 2009-09-09 财团法人工业技术研究院 Thermal-isolating coating
CN101514270A (en) * 2009-02-27 2009-08-26 哈尔滨金士源科技有限公司 Ice coating resistance paint composition
CN104425059A (en) * 2013-08-30 2015-03-18 董培虎 High-cold-resistant and torsion-resistant power cable
CN106531335B (en) * 2016-12-23 2018-04-20 福建瑞达精工股份有限公司 A kind of power transmission cable with icing protection and preparation method thereof
CN106876021A (en) * 2017-02-22 2017-06-20 江苏通鼎光电科技有限公司 A kind of railway digital signal cable of Anti-freezing hardly possible accumulated snow

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