CN105551652A - High-voltage cable - Google Patents
High-voltage cable Download PDFInfo
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- CN105551652A CN105551652A CN201610093425.0A CN201610093425A CN105551652A CN 105551652 A CN105551652 A CN 105551652A CN 201610093425 A CN201610093425 A CN 201610093425A CN 105551652 A CN105551652 A CN 105551652A
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by 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
- H01B7/17—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
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- 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
Abstract
The invention belongs to the technical field of a wire cable and particularly relates to a high-voltage cable; the high-voltage cable comprises a conductor, an insulating layer, a shielding layer and a sheath layer, wherein the insulating layer is coated outside the conductor by extrusion molding; the shielding layer is coated outside the insulating layer; the sheath layer is coated outside the shielding layer via the extrusion molding; and the sheath layer comprises the following raw materials in parts by weight: 85-100 parts of medium or high density polyethylene, 10-20 parts of ethylene-vinyl acetate copolymer, 5-8 parts of titanium dioxide with the fineness less than 400 meshes, 2-4 parts of carbon black with the fineness less than 400 meshes, 5-10 parts of aluminum hydroxide, 2-6 parts of dititanium trioxide, 1-3 parts of antioxidant for wire cable sheath materials with a commercially available type 1010, 2-4 parts of polyethylene wax, and 25-35 parts of mica or silicon carbide or titanium oxide with the fineness less than 400 meshes. The high-voltage cable disclosed by the invention has the following main beneficial effects: the mechanical-physical properties, the electrical insulation property, the environmental cracking resistant property, and the ageing resistant, heat resistant, fire resistant, strong current resistant and flame retardant properties are more excellent.
Description
The application is that name is called: a kind of high-tension cable, the applying date are: the divisional application of the patent of invention of on 05 26th, 2014.
Technical field
The invention belongs to technical field of cables, especially relate to a kind of high-tension cable.
Background technology
Along with the maturation of high pressure, UHV transmission technology, the market demand of high pressure, extra-high-tension cable increases day by day, and the environment residing for cable line is not quite similar, the moister filth of some places, therefore, even bare wire, due to the effect of electric field, cable surface still very easily causes leakage current, thus produce a large amount of heats, form larger resistance value, affect the efficiency of transmission of cable, severe patient can burn cable.And with the cable of outer jacket in prior art, be not suitable for again high pressure occasion, therefore, power industry expects the quality cables that can be applied to high-voltage transmission.
Summary of the invention
In order to solve the problem, the object of the invention is to disclose a kind of novel high-tension cable, it realizes by the following technical solutions.
In the invention process example one, a kind of high-tension cable, it includes conductor 1, extrusion molding is coated on insulating barrier 3 outside conductor, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
In the invention process example two, a kind of high-tension cable, it includes conductor 1, the internal shield 2 be coated on outside conductor, extrusion molding are coated on insulating barrier 3 outside internal shield, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
In the invention process example three, a kind of high-tension cable, include formed by cross section placement triangular in shape three insulated electric conductors cable core, be coated on screen 4 outside cable core and extrusion molding and be coated on restrictive coating 5 outside screen, be filled with the filler 6 preventing three insulated electric conductor position movements in cable core gap, each insulated electric conductor comprise conductor 1, the insulating barrier 3 be coated on outside conductor; It is characterized in that described restrictive coating by weight, be made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
A kind of high-tension cable described above, is characterized in that described conductor is many one metal wires or the stranded formation of B alloy wire, the resistivity≤0.01851 Ω mm of described conductor
2/ m.
A kind of high-tension cable described above, is characterized in that described internal shield and conductor contact face and conductor insulation.
A kind of high-tension cable described above, is characterized in that the material of described insulating barrier is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride or polytetrafluoroethylene.
A kind of high-tension cable described above, is characterized in that described screen is metal tape or conductive plastics.
Further, a kind of high-tension cable described above, when it is characterized in that described screen is metal tape, metal tape is longitudinal coated or helical coated; Longitudinal direction has longitudinal overlap joint time coated overlapping, and the width of overlap joint overlap is 2 ~ 6mm; After during helical coated, the lap width of a spiral and last spiral is 2 ~ 4mm.
A kind of high-tension cable described in above-mentioned embodiment three, is characterized in that the material of described filler is plastics or silica; Described silica is silicon dioxide.
Restrictive coating of the present invention, owing to have employed special formula, solves the problem of the not competent high voltage occasion of the sheath material used in high-tension cable, extra-high-tension cable, solves the problem occurring serious galvano-cautery in high voltage occasion; Therefore, cable of the present invention has following main beneficial effect: have excellent mechanical and physical performance, electrical insulation capability, ESCR performance, ageing-resistant, heat-resisting, fire-resistant, resistance to forceful electric power performance; And there is excellent fire resistance, product more environmental protection, free from environmental pollution.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram of the invention process example 2.
Fig. 3 is the cross-sectional structure schematic diagram of the invention process example 3.
Embodiment
Embodiment 1
Ask for an interview Fig. 1, a kind of high-tension cable, it includes conductor 1, extrusion molding is coated on insulating barrier 3 outside conductor, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
Embodiment 2
Ask for an interview Fig. 2, a kind of high-tension cable, it includes conductor 1, the internal shield 2 be coated on outside conductor, extrusion molding are coated on insulating barrier 3 outside internal shield, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
A kind of high-tension cable described above, is characterized in that described internal shield and conductor contact face and conductor insulation.
Embodiment 3
Ask for an interview Fig. 3, a kind of high-tension cable, include formed by cross section placement triangular in shape three insulated electric conductors cable core, be coated on screen 4 outside cable core and extrusion molding and be coated on restrictive coating 5 outside screen, be filled with the filler 6 preventing three insulated electric conductor position movements in cable core gap, each insulated electric conductor comprise conductor 1, the insulating barrier 3 be coated on outside conductor; It is characterized in that described restrictive coating by weight, be made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
A kind of high-tension cable described above, is characterized in that the material of described filler is plastics or silica.
A kind of high-tension cable described in above-mentioned arbitrary embodiment, is characterized in that described conductor is many one metal wires or the stranded formation of B alloy wire, the resistivity≤0.01851 Ω mm of described conductor
2/ m.
A kind of high-tension cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described insulating barrier is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride or polytetrafluoroethylene.
A kind of high-tension cable described in above-mentioned arbitrary embodiment, is characterized in that described screen is metal tape or conductive plastics.
Further, a kind of high-tension cable described above, when it is characterized in that described screen is metal tape, metal tape is longitudinal coated or helical coated; Longitudinal direction has longitudinal overlap joint time coated overlapping, and the width of overlap joint overlap is 2 ~ 6mm; After during helical coated, the lap width of a spiral and last spiral is 2 ~ 4mm.
The applicant produces the formula of following restrictive coating, and respectively produces to embodiment 1 to embodiment 3 each 1000 meters of the cable that diameter is 25mm, and namely each embodiment produces 4 cables by 1-4 formula below; And carry out the trial-production of other multiple formula by filling a prescription on a large scale.
1, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 parts;
Ethene-acetate ethylene copolymer: 10 parts;
Fineness is less than 400 object titanium dioxides: 5 parts;
Fineness is less than 400 object carbon blacks: 2 parts;
Aluminium hydroxide: 5 parts;
Titanium sesquioxide: 2 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 part;
Tissuemat E: 2 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 parts.
2, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 100 parts;
Ethene-acetate ethylene copolymer: 20 parts;
Fineness is less than 400 object titanium dioxides: 8 parts;
Fineness is less than 400 object carbon blacks: 4 parts;
Aluminium hydroxide: 10 parts;
Titanium sesquioxide: 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 3 parts;
Tissuemat E: 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 35 parts.
3, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 90 parts;
Ethene-acetate ethylene copolymer: 15 parts;
Fineness is less than 400 object titanium dioxides: 6 parts;
Fineness is less than 400 object carbon blacks: 3 parts;
Aluminium hydroxide: 8 parts;
Titanium sesquioxide: 4 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 2 parts;
Tissuemat E: 3 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 30 parts.
4, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 95 parts;
Ethene-acetate ethylene copolymer: 10 parts;
Fineness is less than 400 object titanium dioxides: 7 parts;
Fineness is less than 400 object carbon blacks: 2 parts;
Aluminium hydroxide: 10 parts;
Titanium sesquioxide: 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 3 parts;
Tissuemat E: 2 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 35 parts.
Restrictive coating in the present invention weighs each raw material according to weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1010 or 1076, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, preferably 30 minutes, carry out material extrusion granulation through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, and draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
Applicant by the restrictive coating of filling a prescription by above-mentioned 1-4 in embodiment 1 and on a large scale formula test, result of the test is as follows, and the 1-4 that fills a prescription is designated as 1#-4#; Formula is designated as 5# on a large scale, and the value of filling a prescription on a large scale is mean value.
The cable that the restrictive coating that above-mentioned 1-4 fills a prescription by applicant is produced, diameter is all 25mm, 1# correspondence formula 1,2# correspondence formula 2, the like, test, its result of the test is as follows.
Restrictive coating of the present invention, owing to have employed special formula, solves the problem of the not competent high voltage occasion of the sheath material used in high-tension cable, extra-high-tension cable, solves the problem occurring serious galvano-cautery in high voltage occasion; Therefore, cable of the present invention has following main beneficial effect: have excellent mechanical and physical performance, electrical insulation capability, ESCR performance, ageing-resistant, heat-resisting, fire-resistant, resistance to forceful electric power performance; And there is excellent fire resistance, product more environmental protection, free from environmental pollution.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.
Claims (10)
1. a high-tension cable, it includes conductor, extrusion molding is coated on insulating barrier outside conductor, be coated on the restrictive coating that screen outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available type model is the cable sheath material antioxidant of 1010: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts, described jacket layer material obtains by the following method: weigh each raw material according to above-mentioned weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1010, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, material extrusion granulation is carried out through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
2. a high-tension cable, it includes conductor, the internal shield be coated on outside conductor, extrusion molding are coated on insulating barrier outside internal shield, be coated on the restrictive coating that screen outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available type model is the cable sheath material antioxidant of 1010: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts, described jacket layer material obtains by the following method: weigh each raw material according to above-mentioned weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1010, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, material extrusion granulation is carried out through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
3. a kind of high-tension cable according to claim 2, is characterized in that described internal shield and conductor contact face and conductor insulation.
4. a high-tension cable, include formed by cross section placement triangular in shape three insulated electric conductors cable core, be coated on screen outside cable core and extrusion molding and be coated on restrictive coating outside screen, be filled with the filler preventing three insulated electric conductor position movements in cable core gap, each insulated electric conductor comprise conductor, the insulating barrier be coated on outside conductor; It is characterized in that described restrictive coating by weight, be made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available type model is the cable sheath material antioxidant of 1010: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts, described jacket layer material obtains by the following method: weigh each raw material according to above-mentioned weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1010, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, material extrusion granulation is carried out through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
5. a kind of high-tension cable according to claim 1 to claim 4 any one, is characterized in that described conductor is many one metal wires or the stranded formation of B alloy wire, the resistivity≤0.01851 Ω mm of described conductor
2/ m.
6. a kind of high-tension cable according to claim 1 to claim 4 any one, is characterized in that the material of described insulating barrier is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride or polytetrafluoroethylene.
7. a kind of high-tension cable according to claim 1 to claim 4 any one, is characterized in that described screen is metal tape or conductive plastics.
8. a kind of high-tension cable according to claim 7, when it is characterized in that described screen is metal tape, metal tape is longitudinal coated or helical coated.
9. a kind of high-tension cable according to claim 8, it is characterized in that described screen longitudinal direction has longitudinal overlap joint time coated overlapping, and the width of overlap joint overlap is 2 ~ 6mm; After during helical coated, the lap width of a spiral and last spiral is 2 ~ 4mm.
10. a kind of high-tension cable according to claim 1 to claim 4 any one, is characterized in that the material of described filler is plastics or silica.
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| CN201410225902.5A CN103971846B (en) | 2014-05-26 | 2014-05-26 | A kind of high-tension cable |
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| CN201410225902.5A Division CN103971846B (en) | 2014-05-26 | 2014-05-26 | A kind of high-tension cable |
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| CN105551652A true CN105551652A (en) | 2016-05-04 |
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| CN201410225902.5A Expired - Fee Related CN103971846B (en) | 2014-05-26 | 2014-05-26 | A kind of high-tension cable |
| CN201610093425.0A Pending CN105551652A (en) | 2014-05-26 | 2014-05-26 | High-voltage cable |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410225902.5A Expired - Fee Related CN103971846B (en) | 2014-05-26 | 2014-05-26 | A kind of high-tension cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906920A (en) * | 2016-07-04 | 2016-08-31 | 卢永杰 | Low-smoke halogen-free flame-retardant crack-resistant cable material and preparation method thereof |
| CN108192177A (en) * | 2017-11-28 | 2018-06-22 | 安徽国华电缆集团有限公司 | A kind of ageing-resistant communication cable sheath material of outdoor use |
| CN110092975A (en) * | 2019-04-03 | 2019-08-06 | 上海新益电力线路器材有限公司 | Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method |
| CN113161071A (en) * | 2021-04-20 | 2021-07-23 | 四川天邑康和通信股份有限公司 | Novel shielding type coaxial radio frequency cable and preparation method thereof |
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| CN105609191B8 (en) * | 2014-08-27 | 2017-06-20 | 扬州北辰鑫诚电力器材有限公司 | It is a kind of to can be used to display whether in running order cable |
| CN104167254B (en) * | 2014-09-03 | 2017-01-25 | 中利科技集团股份有限公司 | Double-sheath high voltage connecting cable used in electric vehicle and provided with ultra-soft aluminum conductor and method for manufacturing double-sheath high voltage connecting cable |
| CN105185436B (en) * | 2015-07-26 | 2017-07-07 | 内蒙古仁达特种电缆有限公司 | A kind of single fire protection flame retarding high-tension cable |
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| CN110092975A (en) * | 2019-04-03 | 2019-08-06 | 上海新益电力线路器材有限公司 | Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method |
| CN113161071A (en) * | 2021-04-20 | 2021-07-23 | 四川天邑康和通信股份有限公司 | Novel shielding type coaxial radio frequency cable and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103971846B (en) | 2016-04-13 |
| CN103971846A (en) | 2014-08-06 |
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Application publication date: 20160504 |