CN106251971A - A kind of high tension cable - Google Patents

A kind of high tension cable Download PDF

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Publication number
CN106251971A
CN106251971A CN201610823949.0A CN201610823949A CN106251971A CN 106251971 A CN106251971 A CN 106251971A CN 201610823949 A CN201610823949 A CN 201610823949A CN 106251971 A CN106251971 A CN 106251971A
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parts
density polyethylene
pressure resistant
high pressure
conductor
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Inventor
灏圭孩
尹红
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Changshu Guleite Machinery Product Design Co Ltd
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Changshu Guleite Machinery Product Design Co Ltd
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Priority to CN201610823949.0A priority Critical patent/CN106251971A/en
Publication of CN106251971A publication Critical patent/CN106251971A/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
    • 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
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/226—Helicoidally wound metal wires or tapes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • 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
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Insulated Conductors (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention belongs to electric power and field of cable technology, especially relate to a kind of high tension cable, there is centrally located conductor, the screen layer being positioned at outside conductor, the restrictive coating that is positioned at outside screen layer；It is characterized in that having between described conductor and screen layer high pressure resistant layer, described high pressure resistant layer is to be made up of following raw material: high density polyethylene (HDPE), linear low density polyethylene, dysprosia, politef, Cobalto-cobaltic oxide, magnesium hydroxide, antioxidant 1010, silicon dioxide, calcium zirconate, zirconium dioxide, barium zirconate, Tissuemat E, manganese dioxide, iron sesquioxide, white carbon black.The present invention has more can high pressure resistant, high-voltage operation stable performance, it is easy to lot-size produces, be prone to extrusion molding, lower etc. the Advantageous Effects of the cable cost of production.

Description

A kind of high tension cable
The application is entitled: a kind of power system high tension cable, filing date: on 07 26th, 2015, application number For: the divisional application of the application for a patent for invention of 201510441547X.
Technical field
The invention belongs to electric power and field of cable technology, especially relate to a kind of high tension cable.
Background technology
High tension cable refers to that transmitting voltage is the cable of 10-35kV, owing in high-voltage transmission, transmission voltage is high, therefore transmission phase Can be relatively low with electric current during power；Owing to electric current is low, therefore line loss can be greatly reduced (P=I × I × R), the profit of electric energy Can be higher by rate, therefore, high-voltage transmission is extensively applied by power system.Moreover, due to current reduction, therefore high-voltage transmission energy The sectional area making the conductor in cable reduces, therefore can reduce the consumption of non-ferrous metal, makes the cost of cable drop further simultaneously Low, reduce the input of power transmission and distribution facility.As high tension cable, the material of its core is high pressure resistant material, although the most substantial amounts of Application, but, applicant thinks also have the space of improvement.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to disclose a kind of high tension cable；It is by the following technical solutions Realize.
In first embodiment of the present invention, a kind of high tension cable, the screen there is centrally located conductor, being positioned at outside conductor Cover layer, the restrictive coating being positioned at outside screen layer；It is characterized in that having between described conductor and screen layer high pressure resistant layer, described resistance to height Laminate layer is to be made up of the raw material of following weight portion:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
In second embodiment of the present invention, a kind of high tension cable, the screen there is centrally located conductor, being positioned at outside conductor Cover layer, the restrictive coating being positioned at outside screen layer；It is characterized in that having between described screen layer and restrictive coating high pressure resistant layer, described resistance to High pressure zone is to be made up of the raw material of following weight portion:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
In 3rd embodiment of the present invention, a kind of high tension cable, the screen there is centrally located conductor, being positioned at outside conductor Cover layer, the inner sheath being positioned at outside screen layer, the first armor being positioned at outside inner sheath, the restrictive coating that is positioned at outside the first armor； It is characterized in that having between described inner sheath and the first armor high pressure resistant layer, described high pressure resistant layer is by following weight portion Raw material is constituted:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
In 4th embodiment of the present invention, a kind of high tension cable, it has isolation skeleton, four high-tension bus-bar unit, Isolation skeleton and the second armor of enveloping of all high-tension bus-bar unit, extrusion molding are coated on the second armor outer protects Set, described isolation skeleton outward flange has four isolating bars, and adjacent high-tension bus-bar cell isolation is opened by every isolating bar；Each High-tension bus-bar unit has centrally located conductor, the screen layer being positioned at outside conductor, the inner sheath being positioned at outside screen layer, is positioned at Armor outside sheath, the restrictive coating being positioned at outside armor；It is characterized in that having between described inner sheath and armor resistance to height Laminate layer, described high pressure resistant layer is to be made up of the raw material of following weight portion:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
A kind of high tension cable described above, it is characterised in that the material of described conductor is copper or aluminum or alloy.
A kind of high tension cable described above, it is characterised in that the material of described screen layer is the quasiconductor of extrudable formation Screen layer.
A kind of high tension cable described above, it is characterised in that the material of described restrictive coating is that polrvinyl chloride or high density are gathered Ethylene or medium density polyethylene or low smoke and zero halogen polyethylene or crosslinked polyethylene or the material identical with high pressure resistant layer.
A kind of high tension cable described above, it is characterised in that the material of described first armor is steel band or steel wire, institute State steel band or steel wire is to be coated on outside high pressure resistant layer in the way of one direction spiral.
A kind of high tension cable described above, it is characterised in that the material of described oversheath is that polrvinyl chloride or high density are gathered Ethylene or medium density polyethylene or low smoke and zero halogen polyethylene or crosslinked polyethylene or the material identical with high pressure resistant layer.
A kind of high tension cable described above, it is characterised in that the material of described second armor is steel band or aluminium strip, is It is coated with in the way of longitudinal direction or spiral.
A kind of high tension cable described above, it is characterised in that described isolation skeleton is nonmetal, the material of high dielectric strength Material.
The present invention has more can high pressure resistant, high-voltage operation stable performance, it is easy to lot-size produces, is prone to extrusion molding, production Lower etc. the Advantageous Effects of cable cost.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram of embodiment 2 of the present invention.
Fig. 3 is the cross-sectional structure schematic diagram of embodiment 3 of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of embodiment 4 of the present invention.
Detailed description of the invention
Embodiment 1
Ask for an interview Fig. 1, a kind of high tension cable, there is centrally located conductor 1, the screen layer 3 being positioned at outside conductor, be positioned at outside screen layer Restrictive coating 4；It is characterized in that having high pressure resistant layer 2 between described conductor and screen layer, described high pressure resistant layer is by following heavy The raw material of amount part is constituted:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
Embodiment 2
Ask for an interview Fig. 2, a kind of high tension cable, there is centrally located conductor 1, the screen layer 3 being positioned at outside conductor, be positioned at outside screen layer Restrictive coating 4；It is characterized in that having high pressure resistant layer 2 between described screen layer and restrictive coating, described high pressure resistant layer is by following The raw material of weight portion is constituted:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
Embodiment 3
Ask for an interview Fig. 3, a kind of high tension cable, there is centrally located conductor 1, the screen layer 3 being positioned at outside conductor, be positioned at outside screen layer Inner sheath 21, the first armor 22 being positioned at outside inner sheath, the restrictive coating 4 that is positioned at outside the first armor；It is characterized in that institute Stating and have high pressure resistant layer 2 between inner sheath and the first armor, described high pressure resistant layer is to be made up of the raw material of following weight portion:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
Embodiment 4
Asking for an interview Fig. 4, a kind of high tension cable, it has isolation 5, four high-tension bus-bar unit of skeleton, will isolate skeleton and all height The oversheath 8 that the second armor 7 that piezoelectric wire unit envelopes, extrusion molding are coated on the second armor, outside described isolation skeleton Edge has four isolating bars 6, and adjacent high-tension bus-bar cell isolation is opened by every isolating bar；Each high-tension bus-bar unit has Centrally located conductor 1, the screen layer 3 being positioned at outside conductor, the inner sheath 21 being positioned at outside screen layer, the armouring that is positioned at outside inner sheath Layer 22, the restrictive coating 4 being positioned at outside armor；It is characterized in that there is between described inner sheath and armor high pressure resistant layer 2, described High pressure resistant layer is to be made up of the raw material of following weight portion:
High density polyethylene (HDPE): 50～70 parts；
Linear low density polyethylene: 15～30 parts；
Dysprosia: 1～3 part；
Politef: 5～10 parts；
Cobalto-cobaltic oxide: 1～3 part；
Magnesium hydroxide: 10～15 parts；
Antioxidant 1010: 3～5 parts；
Silicon dioxide: 10～20 parts；
Calcium zirconate: 5～8 parts；
Zirconium dioxide: 5～10 parts；
Barium zirconate: 5～8 parts；
Tissuemat E: 6～8 parts；
Manganese dioxide: 1～3 part；
Iron sesquioxide: 1～3 part；
White carbon black: 3～6 parts.
A kind of high tension cable described in any of the above-described embodiment, it is characterised in that the material of described conductor be copper or aluminum or Alloy.
A kind of high tension cable described in any of the above-described embodiment, it is characterised in that the material of described screen layer is extrudable The semi-conductive shield formed.
A kind of high tension cable described in any of the above-described embodiment, it is characterised in that the material of described restrictive coating is polychlorostyrene second Alkene or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or crosslinked polyethylene or with high pressure resistant layer phase Same material.
A kind of high tension cable described above, it is characterised in that the material of described first armor is steel band or steel wire, institute State steel band or steel wire is to be coated on outside high pressure resistant layer in the way of one direction spiral.
A kind of high tension cable described above, it is characterised in that the material of described oversheath is that polrvinyl chloride or high density are gathered Ethylene or medium density polyethylene or low smoke and zero halogen polyethylene or crosslinked polyethylene or the material identical with high pressure resistant layer.
A kind of high tension cable described above, it is characterised in that the material of described second armor is steel band or aluminium strip, is It is coated with in the way of longitudinal direction or spiral.
A kind of high tension cable described above, it is characterised in that described isolation skeleton is nonmetal, the material of high dielectric strength Material.
High pressure resistant layer in the present invention, if using the formula of following weight portion, then can reach optimum combination property:
High density polyethylene (HDPE): 60 parts；
Linear low density polyethylene: 22.5 parts；
Dysprosia: 2 parts；
Politef: 7.5 parts；
Cobalto-cobaltic oxide: 2 parts；
Magnesium hydroxide: 7.5 parts；
Antioxidant 1010: 4 parts；
Silicon dioxide: 15 parts；
Calcium zirconate: 6.5 parts；
Zirconium dioxide: 7.5 parts；
Barium zirconate: 6.5 parts；
Tissuemat E: 7 parts；
Manganese dioxide: 2 parts；
Iron sesquioxide: 2 parts；
White carbon black: 4.5 parts.
High pressure resistant layer in the present invention, if using the formula of following weight portion, then can reach preferably combination property:
High density polyethylene (HDPE): 50 parts；
Linear low density polyethylene: 15 parts；
Dysprosia: 1 part；
Politef: 5 parts；
Cobalto-cobaltic oxide: 1 part；
Magnesium hydroxide: 10 parts；
Antioxidant 1010: 3 parts；
Silicon dioxide: 10 parts；
Calcium zirconate: 5 parts；
Zirconium dioxide: 5 parts；
Barium zirconate: 5 parts；
Tissuemat E: 6 parts；
Manganese dioxide: 1 part；
Iron sesquioxide: 1 part；
White carbon black: 3 parts.
High pressure resistant layer in the present invention, if using the formula of following weight portion, then can reach preferable combination property:
High density polyethylene (HDPE): 70 parts；
Linear low density polyethylene: 30 parts；
Dysprosia: 3 parts；
Politef: 10 parts；
Cobalto-cobaltic oxide: 3 parts；
Magnesium hydroxide: 15 parts；
Antioxidant 1010: 5 parts；
Silicon dioxide: 20 parts；
Calcium zirconate: 8 parts；
Zirconium dioxide: 10 parts；
Barium zirconate: 8 parts；
Tissuemat E: 8 parts；
Manganese dioxide: 3 parts；
Iron sesquioxide: 3 parts；
White carbon black: 6 parts.
The high pressure resistant layer material in the present invention is used to produce the high tension cable of embodiment 2, by optimum, more excellent, preferable, big Scope formula respectively produces the cable of a 2km length；Cross-sectional area of conductor is 35mm2, identical copper wire conductor；Screen layer uses identical Semiconducting shield materials extrude, thickness is 0.8mm；Restrictive coating uses identical high density polyethylene (HDPE), and thickness is 1.8mm；Resistance to The thickness of high pressure zone is all 2.0mm；By detection, experimental condition is 170A load, continuously the work data of 24 hours × 10 days； Ambient temperature is 26 ± 3 DEG C；Obtain following main test data.
Therefore, the high pressure resistant layer in the present invention has excellent high voltage performance；And through comprehensively measuring and calculating, cost compares city The high tension cable special-purpose polychloroethylene protective cover material sold is low by 30%；And process velocity fast 25～45%；Through producing, resistance in the present invention High pressure zone, when the speed of production of 45～65m/min, produces the cable of a diameter of 60mm, during high pressure resistant layer 2.0mm, produces continuously 8 kilometers, having no that the phenomenon of de-material occurs in sheath, external diameter is stable in the range of 60 ± 0.1mm, and sheath is smooth, rounding.Above-mentioned electricity Cable, in user tries out the time of 1 year, does not shows any abnormalities, and has obtained the favorable comment of user.
Isolating the existence of skeleton in embodiment of the present invention, isolating bar therein serves the effect of isolation so that sheath The thickness of layer can be thinning, can increase again the pressure performance between adjacent high-tension bus-bar unit simultaneously；Make cable cost more Low.
Therefore, have more can high pressure resistant, high-voltage operation stable performance for the present invention, it is easy to lot-size produces, be prone to extrusion molding, Lower etc. the Advantageous Effects of cable cost produced.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that the design of the present invention can be by other all shapes Formula is implemented to use, and they also fall within protection scope of the present invention.

Claims (5)

1. a high tension cable, has centrally located conductor, the screen layer being positioned at outside conductor, the sheath that is positioned at outside screen layer Layer；It is characterized in that having between described conductor and screen layer high pressure resistant layer, described high pressure resistant layer is former by following weight portion Material is constituted:
High density polyethylene (HDPE): 60 parts；
Linear low density polyethylene: 22.5 parts；
Dysprosia: 2 parts；
Politef: 7.5 parts；
Cobalto-cobaltic oxide: 2 parts；
Magnesium hydroxide: 7.5 parts；
Antioxidant 1010: 4 parts；
Silicon dioxide: 15 parts；
Calcium zirconate: 6.5 parts；
Zirconium dioxide: 7.5 parts；
Barium zirconate: 6.5 parts；
Tissuemat E: 7 parts；
Manganese dioxide: 2 parts；
Iron sesquioxide: 2 parts；
White carbon black: 4.5 parts.
2. a high tension cable, has centrally located conductor, the screen layer being positioned at outside conductor, the sheath that is positioned at outside screen layer Layer；It is characterized in that having between described screen layer and restrictive coating high pressure resistant layer, described high pressure resistant layer is by following weight portion Raw material is constituted:
High density polyethylene (HDPE): 60 parts；
Linear low density polyethylene: 22.5 parts；
Dysprosia: 2 parts；
Politef: 7.5 parts；
Cobalto-cobaltic oxide: 2 parts；
Magnesium hydroxide: 7.5 parts；
Antioxidant 1010: 4 parts；
Silicon dioxide: 15 parts；
Calcium zirconate: 6.5 parts；
Zirconium dioxide: 7.5 parts；
Barium zirconate: 6.5 parts；
Tissuemat E: 7 parts；
Manganese dioxide: 2 parts；
Iron sesquioxide: 2 parts；
White carbon black: 4.5 parts.
3. a high tension cable, has centrally located conductor, the screen layer being positioned at outside conductor, is positioned at outside screen layer and protects The first armor overlap, being positioned at outside inner sheath, the restrictive coating being positioned at outside the first armor；It is characterized in that described inner sheath and Having high pressure resistant layer between one armor, described high pressure resistant layer is to be made up of the raw material of following weight portion:
High density polyethylene (HDPE): 60 parts；
Linear low density polyethylene: 22.5 parts；
Dysprosia: 2 parts；
Politef: 7.5 parts；
Cobalto-cobaltic oxide: 2 parts；
Magnesium hydroxide: 7.5 parts；
Antioxidant 1010: 4 parts；
Silicon dioxide: 15 parts；
Calcium zirconate: 6.5 parts；
Zirconium dioxide: 7.5 parts；
Barium zirconate: 6.5 parts；
Tissuemat E: 7 parts；
Manganese dioxide: 2 parts；
Iron sesquioxide: 2 parts；
White carbon black: 4.5 parts.
4. a high tension cable, it has isolation skeleton, four high-tension bus-bar unit, will isolate skeleton and all high-tension bus-bar lists The second armor, extrusion molding that unit envelopes are coated on the oversheath on the second armor, and described isolation skeleton outward flange has four Root isolating bar, adjacent high-tension bus-bar cell isolation is opened by every isolating bar；Each high-tension bus-bar unit has centrally located Conductor, the screen layer being positioned at outside conductor, the inner sheath being positioned at outside screen layer, the armor being positioned at outside inner sheath, it is positioned at armor Outer restrictive coating；It is characterized in that having between described inner sheath and armor high pressure resistant layer, described high pressure resistant layer is by following The raw material of weight portion is constituted:
High density polyethylene (HDPE): 60 parts；
Linear low density polyethylene: 22.5 parts；
Dysprosia: 2 parts；
Politef: 7.5 parts；
Cobalto-cobaltic oxide: 2 parts；
Magnesium hydroxide: 7.5 parts；
Antioxidant 1010: 4 parts；
Silicon dioxide: 15 parts；
Calcium zirconate: 6.5 parts；
Zirconium dioxide: 7.5 parts；
Barium zirconate: 6.5 parts；
Tissuemat E: 7 parts；
Manganese dioxide: 2 parts；
Iron sesquioxide: 2 parts；
White carbon black: 4.5 parts.
5. according to a kind of high tension cable described in claim 1 to claim 4 any one, it is characterised in that described conductor Material is copper or aluminum or alloy；The material of described screen layer is the semi-conductive shield of extrudable formation；The material of described restrictive coating Material be polrvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or crosslinked polyethylene or with The material that high pressure resistant layer is identical.
CN201610823949.0A 2015-07-26 2015-07-26 A kind of high tension cable Pending CN106251971A (en)

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CN201610823949.0A Pending CN106251971A (en) 2015-07-26 2015-07-26 A kind of high tension cable
CN201510441547.XA Active CN105070393B (en) 2015-07-26 2015-07-26 High voltage cable applied to power system
CN201610823951.8A Pending CN106298036A (en) 2015-07-26 2015-07-26 A kind of power system high tension cable
CN201610823973.4A Pending CN106298037A (en) 2015-07-26 2015-07-26 A kind of high pressure resistant layer material of high tension cable
CN201610823947.1A Pending CN106298035A (en) 2015-07-26 2015-07-26 A kind of high tension cable for power system
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CN201610823973.4A Pending CN106298037A (en) 2015-07-26 2015-07-26 A kind of high pressure resistant layer material of high tension cable
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CN107312227B (en) * 2017-07-21 2020-01-17 国网辽宁省电力有限公司丹东供电公司 35kV injection molding type joint injection molding material and manufacturing process

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CN106298035A (en) 2017-01-04
CN105070393B (en) 2017-03-22
CN106504828A (en) 2017-03-15
CN106336556A (en) 2017-01-18
CN106128627A (en) 2016-11-16
CN106298036A (en) 2017-01-04
CN105070393A (en) 2015-11-18

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Application publication date: 20161221