CN111161912A - Interlocking armored silicon rubber insulation new energy high-voltage cable - Google Patents

Interlocking armored silicon rubber insulation new energy high-voltage cable Download PDF

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Publication number
CN111161912A
CN111161912A CN201911155138.8A CN201911155138A CN111161912A CN 111161912 A CN111161912 A CN 111161912A CN 201911155138 A CN201911155138 A CN 201911155138A CN 111161912 A CN111161912 A CN 111161912A
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China
Prior art keywords
parts
silicon rubber
silicone rubber
layer
raw
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Withdrawn
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CN201911155138.8A
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Chinese (zh)
Inventor
钱子明
管雨娟
甘斯宁
汪志宇
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Jiangsu Hengtong Electronic Cable Technology Co Ltd
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Jiangsu Hengtong Electronic Cable Technology Co Ltd
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Priority to CN201911155138.8A priority Critical patent/CN111161912A/en
Publication of CN111161912A publication Critical patent/CN111161912A/en
Withdrawn legal-status Critical Current

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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
    • H01B7/1875—Multi-layer sheaths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • 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
    • H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
    • 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
    • H01B7/1895—Internal space filling-up means
    • 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

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)
  • Organic Insulating Materials (AREA)

Abstract

A chain armored silicon rubber insulation new energy high-voltage cable comprises a central conductor, a mica tape wrapping layer, a silicon rubber insulation layer and an aluminum alloy chain armor layer from inside to outside; the central conductor is an annealed bare copper or aluminum conductor; the mica tape wrapping layer is formed by compounding an artificially synthesized mica paper layer, a high silica glass fiber net, ceramic silicon rubber particles and a refractory adhesive layer; the silicon rubber insulating layer is made of special high-temperature-resistant silicon rubber, and the raw materials of the silicon rubber insulating layer comprise raw silicon rubber, a heat-resistant agent, a release agent, color paste, a component A platinum vulcanizing agent and a component B platinum vulcanizing agent; raw materials of the silicon rubber comprise methyl silicon rubber, methyl vinyl silicon rubber, styryl methyl silicon rubber, a flame retardant and a fire retardant. The invention has the characteristics of excellent high temperature resistance, ozone resistance, weather resistance, low temperature resistance, environmental protection and the like, has good impact resistance and bending resistance, and can adapt to severe working conditions of engineering vehicles.

Description

Interlocking armored silicon rubber insulation new energy high-voltage cable
Technical Field
The invention relates to the technical field of vehicle cables, in particular to a chain armored type silicon rubber insulation new energy high-voltage cable.
Background
At present, with the progress of science and technology, new energy automobiles which take energy conservation, environmental protection and safety as ultimate targets are gradually on the market. The power source of the engineering vehicles such as the forklift and the muck truck is gradually changed from diesel power to hybrid power or pure electric scheme. However, the working environment of such vehicles is relatively harsh, and the wear of the cables is particularly severe due to high-intensity vibration and bumping, especially due to the high frequency of regular replacement of the cables near the ground. The electric vehicle type is for bearing the heavy current in the power transmission, wherein select the silicon rubber insulated cable of selecting for use, and its wearability is relatively poor, even there is the protection of bellows also not very good effect outside.
Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.
Disclosure of Invention
The invention aims to provide a chain armored silicon rubber insulated new energy high-voltage cable.
In order to achieve the purpose, the invention adopts the technical scheme that:
a chain armored silicon rubber insulation new energy high-voltage cable comprises a central conductor, a mica tape wrapping layer, a silicon rubber insulation layer and an aluminum alloy chain armored layer;
the mica tape wrapping layer is tightly and crossly wrapped outside the central conductor, the silicon rubber insulating layer is tightly wrapped outside the mica tape wrapping layer, and the aluminum alloy interlocking armor layer is wrapped outside the silicon rubber layer;
wherein the central conductor is an annealed bare copper or aluminum conductor with a multi-unit fine pitch and formed by cross normal stranding;
the mica tape wrapping layer is formed by compounding an artificially synthesized mica paper layer, a high silica glass fiber net, ceramic silicon rubber particles and a refractory adhesive layer;
the silicone rubber insulating layer is made of special high-temperature-resistant silicone rubber, and the raw materials of the silicone rubber insulating layer comprise raw silicone rubber, a heat-resistant agent, a release agent, color paste, a platinum vulcanizing agent A and a platinum vulcanizing agent B; the addition amount of the platinum vulcanizing agent of the component A is 0.3-1% of the weight of the raw silicone rubber raw material, the addition amount of the platinum vulcanizing agent of the component B is 0.9-2.5% of the weight of the raw silicone rubber raw material, the addition amount of the color paste is 0.5-3 parts of the weight of the raw silicone rubber raw material, the addition amount of the heat-resistant agent is 1.5-4% of the weight of the raw silicone rubber raw material, and the addition amount of the release agent is 0.1-1.2% of the weight of the raw silicone rubber raw material;
the raw materials of the silicon rubber comprise the following components in parts by weight:
5-10 parts of methyl silicone rubber;
30-50 parts of methyl vinyl silicone rubber;
5-10 parts of styryl methyl silicone rubber;
2.5-5 parts of a flame retardant;
1.5-3 parts of a fire retardant;
5-15 parts of other filling agents;
the release agent comprises the following components in parts by weight:
4-6 parts of zinc stearate;
8-12 parts of other filling agents;
the component A comprises the following components in parts by weight:
0.000005-0.00005 parts of platinum complex salt;
6-10 parts of methyl vinyl silicone rubber;
8-20 parts of other filling agents;
the component B, the platinum vulcanizing agent, comprises the following components in parts by weight:
6-30 parts of methyl vinyl silicone rubber;
3.5-18 parts of a silane coupling agent;
6-10 parts of other filling agents.
The relevant content in the above technical solution is explained as follows:
1. in the scheme, the mixing process of the special high-temperature-resistant silicon rubber comprises the following steps:
firstly, mixing the raw silicon rubber in a rubber mixing mill for at least 3 minutes, and adding the color paste and the release agent after the rubber becomes soft;
secondly, continuously mixing for 3-5 minutes, and adding the heat-resistant agent after uniformly mixing;
thirdly, continuously mixing for 3-5 minutes, and adding the component B platinum vulcanizing agent after uniformly mixing;
fourthly, continuously mixing for 3-5 minutes, and adding the component A platinum vulcanizing agent after uniformly mixing;
fifthly, continuously mixing for at least 1 minute to obtain the special high-temperature-resistant silicon rubber raw material;
in the whole adding process, the temperature in a roller of the rubber mixing machine is kept at 5-40 ℃.
2. In the scheme, the raw materials of the aluminum alloy in the aluminum alloy interlocking armor layer comprise the following components:
25-35 parts of aluminum;
0.4-0.6 part of iron;
0.06-0.08 parts of silicon;
0.15-0.3 part of copper;
0.02-0.05 part of magnesium;
the impurity content is less than 0.3 part.
3. In the above scheme, the filler in the raw materials of the raw silicone rubber comprises:
2-3 parts of silicon dioxide;
2-3 parts of zirconium oxide.
4. In the above scheme, the central conductor is an aluminum conductor and is formed by stranding a plurality of aluminum wires(ii) a The aluminum conductor is made of a round aluminum rod with the trademark of 1370 according to DIN EN 573-1 through a multi-pass and multi-layer stranding process; the resistivity of the aluminum conductor is less than or equal to 0.0278 omega mm2M, tensile strength of 70-120N/mm2And the elongation at break is more than or equal to 16 percent.
The working principle and the advantages of the invention are as follows:
the invention relates to a chain armored silicon rubber insulation new energy high-voltage cable which comprises a central conductor, a mica tape wrapping layer, a silicon rubber insulation layer and an aluminum alloy chain armor layer from inside to outside; the central conductor is an annealed bare copper or aluminum conductor; the mica tape wrapping layer is formed by compounding an artificially synthesized mica paper layer, a high silica glass fiber net, ceramic silicon rubber particles and a refractory adhesive layer; the silicon rubber insulating layer is made of special high-temperature-resistant silicon rubber, and the raw materials of the silicon rubber insulating layer comprise raw silicon rubber, a heat-resistant agent, a release agent, color paste, a component A platinum vulcanizing agent and a component B platinum vulcanizing agent; the raw materials of the silicon rubber comprise: 5-10 parts of methyl silicone rubber; 30-50 parts of methyl vinyl silicone rubber; 5-10 parts of styryl methyl silicone rubber; 2.5-5 parts of a flame retardant; 1.5-3 parts of a fire retardant; 5-15 parts of other filling agents; the release agent comprises: 4-6 parts of zinc stearate; 8-12 parts of other filling agents; the component A, the platinum vulcanizing agent, comprises: 0.000005-0.00005 parts of platinum complex salt; 6-10 parts of methyl vinyl silicone rubber; 8-20 parts of other filling agents; the component B, the platinum vulcanizing agent, comprises: 6-30 parts of methyl vinyl silicone rubber; 3.5-18 parts of a silane coupling agent; 6-10 parts of other filling agents.
Compared with the prior art, the high-temperature-resistant cable has the advantages that the special high-temperature-resistant silicon rubber is used, so that the cable can resist the temperature of minus 60 to plus 200 ℃, has excellent characteristics of high temperature resistance, ozone resistance, weather resistance, low temperature resistance, environmental protection and the like, and can adapt to severe working conditions of engineering vehicles.
The aluminum alloy interlocking armor layer can form powerful protection outside the silicon rubber insulating layer, has good impact resistance and bending resistance, has strong oxidation resistance, and can effectively deal with the severe working conditions of engineering vehicles.
In addition, by using the special composite mica tape wrapping layer, the cable has the characteristics of high temperature resistance level, small expansion coefficient, high dielectric strength and high resistivity, and can ensure the stability and continuity of the transmission of cable signals and current in the conductor.
The central conductor can be formed by stranding a plurality of pure aluminum wires, is low in price, can reduce the dead weight of the cable, and has good economical efficiency. The design has been solved the contradiction between intensity and the quality of chain armor type cable by this for the cable not only has certain toughness and can resist high strength vibration and impact when guaranteeing sufficient intensity, has alleviateed the quality to a certain extent simultaneously, has reduced the load of vehicle.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a graph showing short-term aging elongation at break change trends of silicone rubber at different auxiliary material ratios.
In the above drawings: 1. a center conductor; 2. a mica tape lapping layer; 3. a silicon rubber insulating layer; 4. an aluminum alloy chain armor layer.
Detailed Description
The invention is further described with reference to the following figures and examples:
example (b): the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.
As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.
As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.
Referring to the attached drawing 1, the interlocking armored type silicon rubber insulation new energy high-voltage cable comprises a central conductor 1, a mica tape wrapping layer 2, a silicon rubber insulation layer 3 and an aluminum alloy interlocking armor layer 4.
The mica tape wrapping layer 2 is tightly and alternately wrapped outside the central conductor 1, the silicon rubber insulating layer 3 is tightly wrapped outside the mica tape wrapping layer 2, and the aluminum alloy interlocking armor layer 4 is wrapped outside the silicon rubber layer 3.
Wherein the central conductor 1 is an annealed bare copper or aluminum conductor having a multi-cell fine pitch and formed by cross normal stranding.
The mica tape wrapping layer 2 is formed by compounding an artificially synthesized mica paper layer, a high silica glass fiber net, ceramic silicon rubber particles and a refractory adhesive layer, has the characteristics of high temperature resistance level, small expansion coefficient, high dielectric strength and high resistivity, and can ensure the stability and the continuity of transmission of cable signals and current in the conductor.
The silicon rubber insulating layer 3 is made of special high-temperature-resistant silicon rubber, and the raw materials of the silicon rubber insulating layer comprise raw silicon rubber, a heat-resistant agent, a release agent, a color paste, a platinum vulcanizing agent A and a platinum vulcanizing agent B; the addition amount of the platinum vulcanizing agent of the component A is 0.3-1% of the weight of the raw silicone rubber raw material, the addition amount of the platinum vulcanizing agent of the component B is 0.9-2.5% of the weight of the raw silicone rubber raw material, the addition amount of the color paste is 0.5-3 parts of the weight of the raw silicone rubber raw material, the addition amount of the heat-resistant agent is 1.5-4% of the weight of the raw silicone rubber raw material, and the addition amount of the release agent is 0.1-1.2% of the weight of the raw silicone rubber raw material.
The short-term aging elongation of the silicone rubber insulation layer can be improved by adding the color paste, the release agent and the heat-resistant agent in specific proportions, and it can be seen from the following figure that when the color paste, the release agent and the heat-resistant agent in specific proportions are added, the short-term aging elongation at break of the silicone rubber is excellent (hereinafter, each data is an average value of three sets of experiments), so that the aging performance of the cable can be improved, and the replacement frequency of the cable can be reduced. The color paste, the heat-resistant agent and the release agent can be made of the existing materials commonly used in the cable industry, which is not the invention point of the scheme.
As shown in FIG. 2, A represents a platinum vulcanizing agent as the A component, and B represents a platinum vulcanizing agent as the B component.
The raw materials of the silicon rubber comprise the following components in parts by weight:
5-10 parts of methyl silicone rubber;
30-50 parts of methyl vinyl silicone rubber;
5-10 parts of styryl methyl silicone rubber;
2.5-5 parts of a flame retardant;
1.5-3 parts of a fire retardant;
5-15 parts of other filling agents;
wherein the filler comprises:
2-3 parts of silicon dioxide;
2-3 parts of zirconium oxide.
The filler is used for improving the scraping and grinding performance of the material.
The methyl vinyl silicone rubber is mainly used for improving the high temperature resistance grade of silicone rubber; the styryl methyl silicone rubber is mainly used for improving the low temperature resistance grade of silicone rubber; the flame retardant is used for improving the flame retardant property of the silicon rubber, the selection of the flame retardant has no special requirement, and the common flame retardant in the silicon rubber raw materials can be used; the fire retardant is used for improving the fire resistance of the silicon rubber, has no special requirement on selection of the fire retardant, and can use the commonly used fire retardant in the silicon rubber raw materials.
The release agent comprises the following components in parts by weight:
4-6 parts of zinc stearate;
8-12 parts of other filling agents;
the filler includes, but is not limited to, silicone oil.
The component A comprises the following components in parts by weight:
0.000005-0.00005 parts of platinum complex salt;
6-10 parts of methyl vinyl silicone rubber;
8-20 parts of other filling agents;
the filler includes, but is not limited to, methyl silicone rubber.
The component B, the platinum vulcanizing agent, comprises the following components in parts by weight:
6-30 parts of methyl vinyl silicone rubber;
3.5-18 parts of a silane coupling agent;
6-10 parts of other filling agents.
The filler includes, but is not limited to, silica.
The mixing process of the special high-temperature-resistant silicon rubber comprises the following steps:
firstly, mixing the raw silicon rubber in a rubber mixing mill for at least 3 minutes, and adding the color paste and the release agent after the rubber becomes soft;
secondly, continuously mixing for 3-5 minutes, and adding the heat-resistant agent after uniformly mixing;
thirdly, continuously mixing for 3-5 minutes, and adding the component B platinum vulcanizing agent after uniformly mixing;
fourthly, continuously mixing for 3-5 minutes, and adding the component A platinum vulcanizing agent after uniformly mixing;
fifthly, continuously mixing for at least 1 minute to obtain the special high-temperature-resistant silicon rubber raw material;
in the whole adding process, the temperature in a roller of the rubber mixing machine is kept at 5-40 ℃.
The aluminum alloy in the aluminum alloy interlocking armor layer 4 comprises the following raw materials:
25-35 parts of aluminum;
0.4-0.6 part of iron;
0.06-0.08 parts of silicon;
0.15-0.3 part of copper;
0.02-0.05 part of magnesium;
the impurity content is less than 0.3 part.
Borrow this design, can make the cable can possess certain toughness, and then can resist the high strength vibration and the impact of vehicle in abominable operational environment.
It is preferable thatThe central conductor 1 is an aluminum conductor and is formed by stranding a plurality of aluminum wires; the aluminum conductor is made of a round aluminum rod with the trademark of 1370 according to the specification of DINEN 573-1 through a multi-pass and multi-layer stranding process; (ensuring low resistance, energy saving, high current carrying and flexibility of the cable and simultaneously facilitating extrusion molding.) the resistivity (rho 20) of the aluminum conductor is less than or equal to 0.0278 omega2M, tensile strength of 70-120N/mm2And the elongation at break is more than or equal to 16 percent.
The central conductor 1 can be formed by twisting a plurality of pure aluminum wires, has low price, can reduce the dead weight of the cable, and has better economical efficiency. The design has been solved the contradiction between intensity and the quality of chain armor type cable by this for the cable not only has certain toughness and can resist high strength vibration and impact when guaranteeing sufficient intensity, has alleviateed the quality to a certain extent simultaneously, has reduced the load of vehicle.
Compared with the prior art, the high-temperature-resistant cable has the advantages that the special high-temperature-resistant silicon rubber is used, so that the cable can resist the temperature of minus 60 to plus 200 ℃, has excellent characteristics of high temperature resistance, ozone resistance, weather resistance, low temperature resistance, environmental protection and the like, and can adapt to severe working conditions of engineering vehicles.
The aluminum alloy interlocking armor layer can form powerful protection outside the silicon rubber insulating layer, has good impact resistance and bending resistance, has strong oxidation resistance, and can effectively deal with the severe working conditions of engineering vehicles.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an interlocking armor type silicon rubber insulation new forms of energy high tension cable which characterized in that:
the mica tape wrapped armor comprises a central conductor, a mica tape wrapped layer, a silicone rubber insulating layer and an aluminum alloy interlocked armor layer;
the mica tape wrapping layer is tightly and crossly wrapped outside the central conductor, the silicon rubber insulating layer is tightly wrapped outside the mica tape wrapping layer, and the aluminum alloy interlocking armor layer is wrapped outside the silicon rubber layer;
wherein the central conductor is an annealed bare copper or aluminum conductor with a multi-unit fine pitch and formed by cross normal stranding;
the mica tape wrapping layer is formed by compounding an artificially synthesized mica paper layer, a high silica glass fiber net, ceramic silicon rubber particles and a refractory adhesive layer;
the silicone rubber insulating layer is made of special high-temperature-resistant silicone rubber, and the raw materials of the silicone rubber insulating layer comprise raw silicone rubber, a heat-resistant agent, a release agent, color paste, a platinum vulcanizing agent A and a platinum vulcanizing agent B; the addition amount of the platinum vulcanizing agent of the component A is 0.3-1% of the weight of the raw silicone rubber raw material, the addition amount of the platinum vulcanizing agent of the component B is 0.9-2.5% of the weight of the raw silicone rubber raw material, the addition amount of the color paste is 0.5-3 parts of the weight of the raw silicone rubber raw material, the addition amount of the heat-resistant agent is 1.5-4% of the weight of the raw silicone rubber raw material, and the addition amount of the release agent is 0.1-1.2% of the weight of the raw silicone rubber raw material;
the raw materials of the silicon rubber comprise the following components in parts by weight:
5-10 parts of methyl silicone rubber;
30-50 parts of methyl vinyl silicone rubber;
5-10 parts of styryl methyl silicone rubber;
2.5-5 parts of a flame retardant;
1.5-3 parts of a fire retardant;
5-15 parts of other filling agents;
the release agent comprises the following components in parts by weight:
4-6 parts of zinc stearate;
8-12 parts of other filling agents;
the component A comprises the following components in parts by weight:
0.000005-0.00005 parts of platinum complex salt;
6-10 parts of methyl vinyl silicone rubber;
8-20 parts of other filling agents;
the component B, the platinum vulcanizing agent, comprises the following components in parts by weight:
6-30 parts of methyl vinyl silicone rubber;
3.5-18 parts of a silane coupling agent;
6-10 parts of other filling agents.
2. The cable of claim 1, wherein: the mixing process of the special high-temperature-resistant silicon rubber comprises the following steps:
firstly, mixing the raw silicon rubber in a rubber mixing mill for at least 3 minutes, and adding the color paste and the release agent after the rubber becomes soft;
secondly, continuously mixing for 3-5 minutes, and adding the heat-resistant agent after uniformly mixing;
thirdly, continuously mixing for 3-5 minutes, and adding the component B platinum vulcanizing agent after uniformly mixing;
fourthly, continuously mixing for 3-5 minutes, and adding the component A platinum vulcanizing agent after uniformly mixing;
fifthly, continuously mixing for at least 1 minute to obtain the special high-temperature-resistant silicon rubber raw material;
in the whole adding process, the temperature in a roller of the rubber mixing machine is kept at 5-40 ℃.
3. The cable of claim 1, wherein: the aluminum alloy in the aluminum alloy chain armor layer comprises the following raw materials:
25-35 parts of aluminum;
0.4-0.6 part of iron;
0.06-0.08 parts of silicon;
0.15-0.3 part of copper;
0.02-0.05 part of magnesium;
the impurity content is less than 0.3 part.
4. The cable of claim 1, wherein: the filler in the raw materials of the raw silicone rubber comprises:
2-3 parts of silicon dioxide;
2-3 parts of zirconium oxide.
5. The cable of claim 1, wherein: the central conductor is an aluminum conductor and is formed by stranding a plurality of aluminum wires; the aluminum conductor is made of a round aluminum rod with the trademark of 1370 according to DIN EN 573-1 through a multi-pass and multi-layer stranding process; the resistivity of the aluminum conductor is less than or equal to 0.0278 omega mm2M, tensile strength of 70-120N/mm2And the elongation at break is more than or equal to 16 percent.
CN201911155138.8A 2019-11-22 2019-11-22 Interlocking armored silicon rubber insulation new energy high-voltage cable Withdrawn CN111161912A (en)

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Application Number Priority Date Filing Date Title
CN201911155138.8A CN111161912A (en) 2019-11-22 2019-11-22 Interlocking armored silicon rubber insulation new energy high-voltage cable

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Application Number Priority Date Filing Date Title
CN201911155138.8A CN111161912A (en) 2019-11-22 2019-11-22 Interlocking armored silicon rubber insulation new energy high-voltage cable

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113402993A (en) * 2021-06-15 2021-09-17 中核同辐（长春）辐射技术有限公司 Ceramic silicone rubber composite belt with mica layer and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113402993A (en) * 2021-06-15 2021-09-17 中核同辐（长春）辐射技术有限公司 Ceramic silicone rubber composite belt with mica layer and preparation method thereof

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Application publication date: 20200515