CN107507665A - A kind of power cable - Google Patents

A kind of power cable Download PDF

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Publication number
CN107507665A
CN107507665A CN201710762183.4A CN201710762183A CN107507665A CN 107507665 A CN107507665 A CN 107507665A CN 201710762183 A CN201710762183 A CN 201710762183A CN 107507665 A CN107507665 A CN 107507665A
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Prior art keywords
parts
layer
insulating barrier
power cable
sent
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CN201710762183.4A
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夏立中
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Individual
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Priority to CN201710762183.4A priority Critical patent/CN107507665A/en
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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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C08L57/02—Copolymers of mineral oil hydrocarbons
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/184—Sheaths comprising grooves, ribs or other projections
    • 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
    • H01B7/1875—Multi-layer sheaths
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • 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
    • H01B7/2825—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
    • H01B7/28—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
    • 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
    • H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
    • 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
    • H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/365—Insulated conductors or cables characterised by their form with distinguishing or length marks being indicia imposed on the insulation or conductor
    • 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
    • H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils
    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Insulated Conductors (AREA)
  • Insulating Bodies (AREA)

Abstract

The present invention discloses a kind of power cable, include cable main, the cable main is provided with six layers, it is restrictive coating respectively from outside to inside, thick round steel wire armor, thin round steel wire armor, flame-retardant layer, screen layer and the first insulating barrier, the thick round steel wire armor is internally provided with the copper conductor of more than one, first insulating barrier is internally provided with skeleton and the conductor of more than one, the conductor that the skeleton clamping is more than one is set, the skeleton is in I-shaped setting, dubbin layer of paste is provided with the conductor, the second insulating barrier is provided with the dubbin layer of paste, waterproof layer is provided with second insulating barrier；The power cable designing is simple, intensity is high and water resistance is good.

Description

A kind of power cable
Technical field
The present invention relates to a kind of power cable.
Background technology
The radiation mode of electric wire is various, mainly based on aerial, poling, direct-burried, crane span structure etc..With society Constantly progressive, people pay attention in, green planted city environment, improved the quality of living again to urban environment, so, people are by " day net " formula Overhead transmission line become underground piping transmission line of electricity, beautified environment.Because frequent, electric wire electricity occurred for big small earthquake in recent years Different degrees of destruction occurs in the electrical equipments such as cable, therefore, be seismic losses mitigation, improve transmission line of electricity shock resistance and The research and development for carrying out Anti-vibration cable are very important.My company pays close attention to the people's livelihood, adapts to social development demand, dare to choose Fight scientific and technological summit, researched and developed a kind of seismic-resistant electrical cable.The cable transmission power is big, safety coefficient is high, service life length, Especially there is antidetonation, shockproof ability.
Existing power cable uses extensively in power industry, and power industry is the pillar in national industry, and its is heavy The property wanted matches in excellence or beauty the top 100 enterprises of the worlds such as sinopec, Bank of China five, such as nowadays scientific and technological progress, there is new layer again to power cable Secondary requirement, traditional power cable, unit transmission ＆ distribution electricity have certain limitation, and this is relevant with the limitation of technology, The usage time of power cable is short simultaneously, and maintenance number is frequent, undoubtedly consumes substantial amounts of manpower and materials, increases to a certain extent Add the consumption of the energy, moreover the most want, under the conditions of the flood in adverse circumstances, mud-rock flow etc., to power cable Water proofing property is a new challenge.
The content of the invention
The electric power electricity that simple, intensity is high and water resistance is good is designed the technical problem to be solved in the present invention is to provide a kind of Cable.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of power cable, include cable main, the cable main is provided with six layers, is sheath respectively from outside to inside Layer, thick round steel wire armor, thin round steel wire armor, flame-retardant layer, screen layer and the first insulating barrier, the thick round steel wire armor The copper conductor of more than one is internally provided with, first insulating barrier is internally provided with skeleton and the conductor of more than one, described The conductor that skeleton clamping is more than one is set, and the skeleton is in I-shaped setting, and dubbin layer of paste, institute are provided with the conductor State and the second insulating barrier is provided with dubbin layer of paste, waterproof layer is provided with second insulating barrier, the waterproof layer is by by weight Measure number proportioning Petropols 30-35 parts, p-phenylenediamine 20-22 parts, elastomer 24-28 parts, sodium hydroxide 18-20 parts, Potassium chloride 16-18 parts, sodium fluoride 12-14 parts, silicone acrylic emulsion 16-18 parts, potassium nitrate 10-14 parts, cyclohexanone 12-16 parts, propylene Acid resin 20-24 parts, asbestos wool 14-18 parts, chlorobenzene 12-18 parts, neoprene 16-18 parts, diphenyl ether 10-14 parts and MEK 12-16 parts are made.
Further, fluorescent film is provided between the restrictive coating and thick round steel wire armor, when cable serious wear, Night can be appreciated that fluorescence, repair cable in time.
Further, the sheath layer surface is provided with scale, beneficial to the length for calculating cable.
Further, first insulating barrier is internally provided with the reinforcement of more than one, improves the intensity of cable.
Further, first insulating barrier is internally provided with the tension rope of more than one, improves the pull resistance of cable Energy.
Further, the integrated setting of flame-retardant layer and screen layer, makes the structure of cable compacter and firm.
The manufacture method of waterproof layer, includes following steps：
1) Petropols 30-35 parts, p-phenylenediamine 20-22 parts, elastomer 24-28 parts and silicone acrylic emulsion 16-18 parts are taken It is sent into mixer, stirs；
2) by above-mentioned the Petropols 30-35 parts to stir, p-phenylenediamine 20-22 parts, elastomer 24-28 parts and silicon Acrylic emulsion 16-18 parts are sent into heater, and temperature rises to 90-100 DEG C, continue 30-50min, standby；
3) sodium hydroxide 18-20 parts, potassium chloride 16-18 parts and sodium fluoride 12-14 parts are taken, is sent into heater, temperature liter To 80-90 DEG C, continue 20-30min, natural cooling is standby；
4) material made from step 2) and step 3) is mixed, be sent into 80 DEG C of warmer, be incubated 2 hours, it is standby；
5) asbestos wool 14-18 parts are taken, are sent into airslide disintegrating mill, the particle that particle diameter is 200nm-300nm is made, it is standby；
6) potassium nitrate 10-14 parts, cyclohexanone 12-16 parts, acrylic resin 20-24 parts and chlorobenzene 12-18 parts, Yi Jijing are taken The treated asbestos wool 14-18 parts of step 5) are sent into homogenizer together, stir, standby；
7) material made from step 4) and step 6) is mixed, is sent into 600-800 DEG C of melting furnace, continue 2-3 hours, Add neoprene 16-18 parts, diphenyl ether 10-14 parts and MEK 12-16 parts, temperature and rise to 850-900 DEG C, continue 1 hour, Fused mass is made；
8) above-mentioned fused mass is injected into cast maintenance in mould to be stripped for 25 hours, then normal temperature conserves three days, you can obtain waterproof Layer.
Beneficial effects of the present invention are：The power cable is set simply, by being provided with thick round steel wire armor and thin circle Steel wire armor layer, substantially increase the intensity of cable；Led by the copper that more than one is internally provided with thick round steel wire armor Body, increases cable fault current capacity, reduces cable eddy-current loss to a certain extent；It is in I-shaped set by being provided with The skeleton put, the fastness of cable is enhanced in the case where not increasing the outside diameter of cable；By being provided with dubbin layer of paste and preventing Water layer, substantially increase the water resistance of cable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of power cable of the present invention.
Embodiment
Embodiment one
Shown in reference picture 1, a kind of power cable, include cable main 1, the cable main 1 is provided with six layers, by outer To it is interior be restrictive coating 3, thick round steel wire armor 4, thin round steel wire armor 6, flame-retardant layer 7, the insulating barrier of screen layer 8 and first respectively 9, the thick round steel wire armor 4 is internally provided with the copper conductor 5 of more than one, and first insulating barrier 9 is internally provided with bone Frame 2 and the conductor 11 of more than one, the conductor 11 that 2 clamping of skeleton is more than one are set, and the skeleton 2 is set in I-shaped Put, dubbin layer of paste 12 is provided with the conductor 11, be provided with the second insulating barrier 13 in the dubbin layer of paste 12, described Be provided with waterproof layer 14 on two insulating barriers 13, the waterproof layer 14 by match in parts by weight 30 parts of Petropols, to benzene two 22 parts of amine, 28 parts of elastomer, 20 parts of sodium hydroxide, 18 parts of potassium chloride, 14 parts of sodium fluoride, 18 parts of silicone acrylic emulsion, potassium nitrate 14 Part, 16 parts of cyclohexanone, 24 parts of acrylic resin, 18 parts of asbestos wool, 18 parts of chlorobenzene, 18 parts of neoprene, 14 parts of diphenyl ether and first and second 16 parts of ketone is made.
Fluorescent film (not shown) is provided between the restrictive coating 3 and thick round steel wire armor 4, when cable serious wear When, night can be appreciated that fluorescence, repair cable in time.
The surface of restrictive coating 3 is provided with scale (not shown), beneficial to the length for calculating cable.
First insulating barrier 9 is internally provided with the reinforcement 10 of more than one, improves the intensity of cable.
First insulating barrier 9 is internally provided with the tension rope 15 of more than one, improves the tensile property of cable.
The 8 integrated setting of flame-retardant layer 7 and screen layer, makes the structure of cable compacter and firm.
The manufacture method of waterproof layer 14, includes following steps：
1) take in 18 parts of 30 parts of Petropols, 22 parts of p-phenylenediamine, 28 parts of elastomer and silicone acrylic emulsion feeding mixers, Stir；
2) by above-mentioned 30 parts of the Petropols to stir, 22 parts of p-phenylenediamine, 28 parts of elastomer and silicone acrylic emulsion 18 In part feeding heater, temperature rises to 90-100 DEG C, continues 30-50min, standby；
3) 14 parts of 20 parts of sodium hydroxide, 18 parts of potassium chloride and sodium fluoride are taken, is sent into heater, temperature rises to 80-90 DEG C, Continue 20-30min, natural cooling is standby；
4) material made from step 2) and step 3) is mixed, be sent into 80 DEG C of warmer, be incubated 2 hours, it is standby；
5) 18 parts of asbestos wool is taken, is sent into airslide disintegrating mill, the particle that particle diameter is 200nm-300nm is made, it is standby；
6) 18 parts of 14 parts of potassium nitrate, 16 parts of cyclohexanone, 24 parts of acrylic resin and chlorobenzene are taken, and it is treated through step 5) 18 parts of asbestos wool be sent into together in homogenizer, stir, it is standby；
7) material made from step 4) and step 6) is mixed, is sent into 600-800 DEG C of melting furnace, continue 2-3 hours, 16 parts of 18 parts of neoprene, 14 parts of diphenyl ether and MEK are added, temperature rises to 850-900 DEG C, continues 1 hour, and melting is made Thing；
8) above-mentioned fused mass is injected into cast maintenance in mould to be stripped for 25 hours, then normal temperature conserves three days, you can obtain waterproof Layer 14.
Embodiment two
Shown in reference picture 1, a kind of power cable, include cable main 1, the cable main 1 is provided with six layers, by outer To it is interior be restrictive coating 3, thick round steel wire armor 4, thin round steel wire armor 6, flame-retardant layer 7, the insulating barrier of screen layer 8 and first respectively 9, the thick round steel wire armor 4 is internally provided with the copper conductor 5 of more than one, and first insulating barrier 9 is internally provided with bone Frame 2 and the conductor 11 of more than one, the conductor 11 that 2 clamping of skeleton is more than one are set, and the skeleton 2 is set in I-shaped Put, dubbin layer of paste 12 is provided with the conductor 11, be provided with the second insulating barrier 13 in the dubbin layer of paste 12, described Be provided with waterproof layer 14 on two insulating barriers 13, the waterproof layer 14 by match in parts by weight 32.5 parts of Petropols, to benzene 21 parts of diamines, 26 parts of elastomer, 19 parts of sodium hydroxide, 17 parts of potassium chloride, 13 parts of sodium fluoride, 17 parts of silicone acrylic emulsion, potassium nitrate 12 parts, 14 parts of cyclohexanone, 22 parts of acrylic resin, 16 parts of asbestos wool, 15 parts of chlorobenzene, 17 parts of neoprene, 12 parts of diphenyl ether and first 14 parts of ethyl ketone is made.
Fluorescent film (not shown) is provided between the restrictive coating 3 and thick round steel wire armor 4, when cable serious wear When, night can be appreciated that fluorescence, repair cable in time.
The surface of restrictive coating 3 is provided with scale (not shown), beneficial to the length for calculating cable.
First insulating barrier 9 is internally provided with the reinforcement 10 of more than one, improves the intensity of cable.
First insulating barrier 9 is internally provided with the tension rope 15 of more than one, improves the tensile property of cable.
The 8 integrated setting of flame-retardant layer 7 and screen layer, makes the structure of cable compacter and firm.
The manufacture method of waterproof layer 14, includes following steps：
1) 17 parts of 32.5 parts of Petropols, 21 parts of p-phenylenediamine, 26 parts of elastomer and silicone acrylic emulsion feeding mixers are taken In, stir；
2) by above-mentioned 32.5 parts of the Petropols to stir, 21 parts of p-phenylenediamine, 26 parts of elastomer and silicone acrylic emulsion In 17 parts of feeding heaters, temperature rises to 90-100 DEG C, continues 30-50min, standby；
3) 13 parts of 19 parts of sodium hydroxide, 17 parts of potassium chloride and sodium fluoride are taken, is sent into heater, temperature rises to 80-90 DEG C, Continue 20-30min, natural cooling is standby；
4) material made from step 2) and step 3) is mixed, be sent into 80 DEG C of warmer, be incubated 2 hours, it is standby；
5) 16 parts of asbestos wool is taken, is sent into airslide disintegrating mill, the particle that particle diameter is 200nm-300nm is made, it is standby；
6) 15 parts of 12 parts of potassium nitrate, 14 parts of cyclohexanone, 22 parts of acrylic resin and chlorobenzene are taken, and it is treated through step 5) 16 parts of asbestos wool be sent into together in homogenizer, stir, it is standby；
7) material made from step 4) and step 6) is mixed, is sent into 600-800 DEG C of melting furnace, continue 2-3 hours, 14 parts of 17 parts of neoprene, 12 parts of diphenyl ether and MEK are added, temperature rises to 850-900 DEG C, continues 1 hour, and melting is made Thing；
8) above-mentioned fused mass is injected into cast maintenance in mould to be stripped for 25 hours, then normal temperature conserves three days, you can obtain waterproof Layer 14.
Embodiment three
Shown in reference picture 1, a kind of power cable, include cable main 1, the cable main 1 is provided with six layers, by outer To it is interior be restrictive coating 3, thick round steel wire armor 4, thin round steel wire armor 6, flame-retardant layer 7, the insulating barrier of screen layer 8 and first respectively 9, the thick round steel wire armor 4 is internally provided with the copper conductor 5 of more than one, and first insulating barrier 9 is internally provided with bone Frame 2 and the conductor 11 of more than one, the conductor 11 that 2 clamping of skeleton is more than one are set, and the skeleton 2 is set in I-shaped Put, dubbin layer of paste 12 is provided with the conductor 11, be provided with the second insulating barrier 13 in the dubbin layer of paste 12, described Be provided with waterproof layer 14 on two insulating barriers 13, the waterproof layer 14 by match in parts by weight 35 parts of Petropols, to benzene two 20 parts of amine, 24 parts of elastomer, 18 parts of sodium hydroxide, 16 parts of potassium chloride, 12 parts of sodium fluoride, 16 parts of silicone acrylic emulsion, potassium nitrate 10 Part, 12 parts of cyclohexanone, 20 parts of acrylic resin, 14 parts of asbestos wool, 12 parts of chlorobenzene, 16 parts of neoprene, 10 parts of diphenyl ether and first and second 12 parts of ketone is made.
Fluorescent film (not shown) is provided between the restrictive coating 3 and thick round steel wire armor 4, when cable serious wear When, night can be appreciated that fluorescence, repair cable in time.
The surface of restrictive coating 3 is provided with scale (not shown), beneficial to the length for calculating cable.
First insulating barrier 9 is internally provided with the reinforcement 10 of more than one, improves the intensity of cable.
First insulating barrier 9 is internally provided with the tension rope 15 of more than one, improves the tensile property of cable.
The 8 integrated setting of flame-retardant layer 7 and screen layer, makes the structure of cable compacter and firm.
The manufacture method of waterproof layer 14, includes following steps：
1) take in 16 parts of 35 parts of Petropols, 20 parts of p-phenylenediamine, 24 parts of elastomer and silicone acrylic emulsion feeding mixers, Stir；
2) by above-mentioned 35 parts of the Petropols to stir, 20 parts of p-phenylenediamine, 24 parts of elastomer and silicone acrylic emulsion 16 In part feeding heater, temperature rises to 90-100 DEG C, continues 30-50min, standby；
3) 12 parts of 18 parts of sodium hydroxide, 16 parts of potassium chloride and sodium fluoride are taken, is sent into heater, temperature rises to 80-90 DEG C, Continue 20-30min, natural cooling is standby；
4) material made from step 2) and step 3) is mixed, be sent into 80 DEG C of warmer, be incubated 2 hours, it is standby；
5) 14 parts of asbestos wool is taken, is sent into airslide disintegrating mill, the particle that particle diameter is 200nm-300nm is made, it is standby；
6) 12 parts of 10 parts of potassium nitrate, 12 parts of cyclohexanone, 20 parts of acrylic resin and chlorobenzene are taken, and it is treated through step 5) 14 parts of asbestos wool be sent into together in homogenizer, stir, it is standby；
7) material made from step 4) and step 6) is mixed, is sent into 600-800 DEG C of melting furnace, continue 2-3 hours, 12 parts of 16 parts of neoprene, 10 parts of diphenyl ether and MEK are added, temperature rises to 850-900 DEG C, continues 1 hour, and melting is made Thing；
8) above-mentioned fused mass is injected into cast maintenance in mould to be stripped for 25 hours, then normal temperature conserves three days, you can obtain waterproof Layer 14.
Experimental example
Power cable and common power cable from the present invention, are divided into experimental group and common group, and observation uses two groups Situation of the power cable after six months.
Comparing result see the table below：
As can be seen here, power cable of the invention is durable, intensity is high and water resistance is good, with common power cable phase Than being obviously improved in performance.
Beneficial effects of the present invention are：The power cable is set simply, by being provided with thick round steel wire armor and thin circle Steel wire armor layer, substantially increase the intensity of cable；Led by the copper that more than one is internally provided with thick round steel wire armor Body, increases cable fault current capacity, reduces cable eddy-current loss to a certain extent；It is in I-shaped set by being provided with The skeleton put, the fastness of cable is enhanced in the case where not increasing the outside diameter of cable；By being provided with dubbin layer of paste and preventing Water layer, substantially increase the water resistance of cable.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, it should all cover within the scope of the present invention.

Claims (6)

  1. A kind of 1. power cable, it is characterised in that：Include cable main, the cable main is provided with six layers, from outside to inside It is restrictive coating, thick round steel wire armor, thin round steel wire armor, flame-retardant layer, screen layer and the first insulating barrier respectively, the thick circle Steel wire armor layer is internally provided with the copper conductor of more than one, and first insulating barrier is internally provided with skeleton and more than one Conductor, the conductor that the skeleton clamping is more than one are set, and the skeleton is in I-shaped setting, and waterproof is provided with the conductor Ointment layer, the second insulating barrier is provided with the dubbin layer of paste, waterproof layer, the waterproof are provided with second insulating barrier Layer is by 19 parts of 26 parts of 21 parts of 32.5 parts of Petropols, p-phenylenediamine, elastomer, the sodium hydroxide, the chlorine that match in parts by weight Change 17 parts of potassium, 13 parts of sodium fluoride, 17 parts of silicone acrylic emulsion, 12 parts of potassium nitrate, 14 parts of cyclohexanone, 22 parts of acrylic resin, asbestos wool 14 parts of 16 parts, 15 parts of chlorobenzene, 17 parts of neoprene, 12 parts of diphenyl ether and MEK are made, the manufacture method of waterproof layer, include with Lower step：
    1) take in 17 parts of 32.5 parts of Petropols, 21 parts of p-phenylenediamine, 26 parts of elastomer and silicone acrylic emulsion feeding mixers, stir Mix uniformly；
    2) by 17 parts of above-mentioned 32.5 parts of the Petropols to stir, 21 parts of p-phenylenediamine, 26 parts of elastomer and silicone acrylic emulsion It is sent into heater, temperature rises to 90-100 DEG C, continues 30-50min, standby；
    3) 13 parts of 19 parts of sodium hydroxide, 17 parts of potassium chloride and sodium fluoride are taken, is sent into heater, temperature rises to 80-90 DEG C, continues 20-30min, natural cooling are standby；
    4) material made from step 2) and step 3) is mixed, be sent into 80 DEG C of warmer, be incubated 2 hours, it is standby；
    5) 16 parts of asbestos wool is taken, is sent into airslide disintegrating mill, the particle that particle diameter is 200nm-300nm is made, it is standby；
    6) 15 parts of 12 parts of potassium nitrate, 14 parts of cyclohexanone, 22 parts of acrylic resin and chlorobenzene, and the stone treated through step 5) are taken 16 parts of velveteen is sent into homogenizer together, is stirred, standby；
    7) material made from step 4) and step 6) is mixed, be sent into 600-800 DEG C of melting furnace, continue 2-3 hours, then added Enter 14 parts of 17 parts of neoprene, 12 parts of diphenyl ether and MEK, temperature rises to 850-900 DEG C, continues 1 hour, and fused mass is made；
    8) above-mentioned fused mass is injected into cast maintenance in mould to be stripped for 25 hours, then normal temperature conserves three days, you can obtain waterproof layer.
  2. 2. power cable according to claim 1, it is characterised in that：Set between the restrictive coating and thick round steel wire armor It is equipped with fluorescent film.
  3. 3. power cable according to claim 1, it is characterised in that：The sheath layer surface is provided with scale.
  4. 4. power cable according to claim 1, it is characterised in that：First insulating barrier is internally provided with more than one Reinforcement.
  5. 5. power cable according to claim 1, it is characterised in that：First insulating barrier is internally provided with more than one Tension rope.
  6. 6. power cable according to claim 1, it is characterised in that：The integrated setting of flame-retardant layer and screen layer.
CN201710762183.4A 2016-04-26 2016-04-26 A kind of power cable Withdrawn CN107507665A (en)

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CN201610268578.4A CN105741962B (en) 2016-04-26 2016-04-26 A kind of power cable

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CN201710759418.4A Withdrawn CN107578848A (en) 2016-04-26 2016-04-26 A kind of power cable
CN201610268578.4A Active CN105741962B (en) 2016-04-26 2016-04-26 A kind of power cable
CN201710762182.XA Pending CN107578849A (en) 2016-04-26 2016-04-26 A kind of waterproof layer of power cable
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CN201710762182.XA Pending CN107578849A (en) 2016-04-26 2016-04-26 A kind of waterproof layer of power cable
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CN107945979A (en) * 2017-11-24 2018-04-20 安徽国华电缆集团有限公司 A kind of cross-linked polrvinyl chloride insulated power cable
CN113628794A (en) * 2021-08-11 2021-11-09 江苏通鼎光电科技有限公司 High-performance railway axle counting cable
CN115274196B (en) * 2022-09-26 2022-11-29 国网天津静海供电有限公司 Long-life multi-inner-core double-carbon power cable and manufacturing method thereof

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CN107507666A (en) 2017-12-22
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CN107578849A (en) 2018-01-12
CN105741962A (en) 2016-07-06

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Application publication date: 20171222