CN110570983A - high-temperature-resistant aerial insulated cable and preparation method thereof - Google Patents
high-temperature-resistant aerial insulated cable and preparation method thereof Download PDFInfo
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- CN110570983A CN110570983A CN201910734223.3A CN201910734223A CN110570983A CN 110570983 A CN110570983 A CN 110570983A CN 201910734223 A CN201910734223 A CN 201910734223A CN 110570983 A CN110570983 A CN 110570983A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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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
- H01B7/02—Disposition of insulation
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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
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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
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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
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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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
- H01B7/29—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
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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
- H01B9/005—Power cables including optical transmission elements
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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
- H01B9/006—Constructional features relating to the conductors
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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
- H01B9/008—Power cables for overhead application
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
the invention relates to the technical field of cables and discloses a high-temperature-resistant overhead insulated cable which comprises an insulating protective sleeve, a first high-temperature-resistant layer, a second high-temperature-resistant layer, an inner filling layer, a cable core wrapping layer, a cable core conductor and a copper rod. According to the high-temperature-resistant aerial insulated cable and the preparation method thereof, the prepared optical cable effectively improves the high-temperature-resistant effect, can effectively prevent the cable from fusing, improves the adaptability of the cable in high temperature, is simple in material and using equipment, and has corrosion resistance, tensile resistance and high temperature resistance, so that the adaptability is better, and the popularization and the use are convenient.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a high-temperature-resistant overhead insulated cable and a preparation method thereof.
Background
The overhead cable (full-name overhead insulated cable) is an overhead conductor with insulating layer and protective sheath, and is a special cable made up by adopting a production process similar to crosslinked cable, and is a new power transmission mode between overhead conductor and underground cable, and the overhead cable is single-core, and can be divided into duralumin wire structure, aluminium alloy wire structure, steel core or aluminium alloy core supporting structure and self-supporting three-core twisted structure (the core can be duralumin or duralumin wire) according to its different structure, so that it possesses the main characteristics of high power supply reliability, good power supply safety, convenient erection and maintenance and reasonable economy, etc.
Chinese patent CN106298014B provides a parallel bunched aerial cable and a preparation method thereof, the method adopts irradiation cross-linked polyethylene insulating material, by the way, the patent can greatly improve the current-carrying capacity of a conductor under the condition that the cross section of the conductor is the same, no moisture participates in the process to ensure the insulativity, but when the temperature of the aerial insulated cable manufactured by the method is higher, the flame retardant capability is poor, so that the parallel bunched aerial cable is easy to fuse and cause accidents, and the high-temperature resistant aerial insulated cable and the preparation method thereof are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the high-temperature-resistant overhead insulated cable and the preparation method thereof, which have the advantages of preventing fusing and the like, and solve the problems that the traditional method has poor flame retardant capability when the temperature of the overhead insulated cable is higher, so that the parallel bunched overhead cable is easy to fuse and accidents are easy to cause.
(II) technical scheme
in order to achieve the purpose that the granulation does not influence the performance of the activated carbon, the invention provides the following technical scheme: the utility model provides a high temperature resistant aerial insulated cable, includes insulating protective sheath, first high temperature resistant layer, the resistant high temperature layer of second, intussuseption layer, cable core parcel layer, cable core conductor and copper bar, fixed mounting has first high temperature resistant layer on the inner wall of insulating protective sheath, fixed mounting has the resistant high temperature layer of second on the inner wall on the resistant high temperature layer of first resistant high temperature layer, fixed mounting has the intussuseption layer on the inner wall on the resistant high temperature layer of second, the cable core conductor that the inside fixed mounting of intussuseption layer had, the outside fixed mounting of cable core conductor has cable core parcel layer, the inside fixed mounting of intussuseption layer has the copper bar.
preferably, the inside of the insulating protective sleeve is filled with flame-retardant particles, and the flame-retardant particles are flame-retardant nylon.
preferably, the mica particles are filled in the cable core wrapping layer, and the mica particles are uniformly distributed in the cable core wrapping layer.
Preferably, the number of the cable core conductors is five, and the cable core conductors are distributed in a central symmetry mode by taking the copper rod as the center.
a preparation method of a high-temperature-resistant overhead insulated cable comprises the following steps:
1) drawing an aluminum monofilament, annealing the monofilament, and then twisting the aluminum monofilament to form a cable core conductor;
2) Melting 100 parts of polytetrafluoroethylene at high temperature to obtain a first mixed solution, adding 10 parts of mica particles into the first mixed solution, stirring by using a mixer, and injecting into a mold to obtain an insulating protective sleeve;
3) Fully heating and stirring 50-60 parts of polyvinyl chloride, 30-40 parts of polychloroethylene, 30-40 parts of tetrachloroethylene, 10-15 parts of methyl ethylene rubber, 0.1-0.2 part of magnesium oxide, 4-6 parts of plasticizer and 1-2 parts of antioxidant to prepare a mixed solution II, wherein the heating temperature is 210-280 ℃, and then cooling and filling half of the mixed solution 2 on the inner wall of an insulating protective sleeve to form a first high temperature resistant layer;
4) Adding 10-15 parts of methyl silicone oil and 5-8 parts of hydrogen-containing silicone oil into one half of the mixed solution II, heating to 200-250 ℃, stirring for reaction for 0.5 hour, filling the mixture on the inner wall of the first high-temperature-resistant layer, and cooling to normal temperature to form a second high-temperature-resistant layer to prepare an optical cable sheath;
5) uniformly binding mica tapes on the outer part of the cable core conductor, and uniformly cutting the prepared cable core into five equal parts;
6) and (3) inserting the copper rod 7 into the prepared optical cable sheath, then placing the cable core in the optical cable sheath around the copper rod 7 in a central symmetry manner, then filling the inner filling layer into the optical cable sheath, and finally preparing the cable.
Preferably, the mica particles in the step 2 have a powder diameter of zero point one millimeter, and 100 parts of the polytetrafluoroethylene is added with the preservative.
(III) advantageous effects
Compared with the prior art, the invention provides a high-temperature-resistant overhead insulated cable and a preparation method thereof, and the high-temperature-resistant overhead insulated cable has the following beneficial effects:
1. the high-temperature-resistant aerial insulated cable and the preparation method thereof are characterized in that 100 parts of poly-tetrachloroethylene are melted at high temperature to prepare a first mixed solution, 10 parts of mica particles are added into the first mixed solution, the mixture is stirred by a mixer and then injected into a mould to prepare an insulated protective sleeve 1, 50-60 parts of polyvinyl chloride, 30-40 parts of poly-tetrachloroethylene, 10-15 parts of methyl ethylene rubber, 0.1-0.2 part of magnesium oxide, 4-6 parts of plasticizer and 1-2 parts of antioxidant are fully heated and stirred to prepare a second mixed solution, the heating temperature is 210-280 ℃, then a half of the second mixed solution 2 is cooled and filled on the inner wall of the insulated protective sleeve 1 to form a first high-temperature-resistant layer 2, 10-15 parts of methyl silicone oil and 5-8 parts of hydrogen-containing silicone oil are added into the half of the second mixed solution, Heating to 200-250 ℃, stirring for reaction for 0.5 hour, filling the mixture on the inner wall of the first high-temperature resistant layer 2, cooling to normal temperature to form a second high-temperature resistant layer 3 to prepare an optical cable sheath, uniformly binding mica tapes on the outer part of the cable core conductor 6, uniformly cutting the prepared cable core into five equal parts, inserting the copper rod 7 into the prepared optical cable sheath, putting the cable core into the optical cable sheath around the copper rod 7 in central symmetry, filling the inner filling layer 4 into the optical cable sheath, and finally preparing the cable.
2. the high-temperature resistant aerial insulated cable and the preparation method thereof are characterized in that 50-60 parts of polyvinyl chloride, 30-40 parts of polychloroethylene, 30-40 parts of poly-tetrachloroethylene, 10-15 parts of methyl ethylene rubber, 0.1-0.2 part of magnesium oxide, 4-6 parts of plasticizer and 1-2 parts of antioxidant are fully heated and stirred to prepare a mixed solution II, the heating temperature is 210-280 ℃, then half of the mixed solution 2 is cooled and filled on the inner wall of an insulating protective sleeve 1 to form a first high-temperature resistant layer 2, 10-15 parts of methyl silicone oil and 5-8 parts of hydrogen-containing silicone oil are added into the half of the mixed solution II, the mixed solution II is heated to 200-250 ℃, stirred and reacted for 0.5 hour, then the mixed solution is filled on the inner wall of the first high-temperature resistant layer 2 and cooled to normal temperature to form a second high-temperature resistant layer 3 to prepare an optical cable sheath, the whole preparation process has simple steps, simple materials and simple equipment, and the prepared cable has the advantages of corrosion resistance, tensile resistance, high temperature resistance, better adaptability and convenient popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature-resistant overhead insulated cable according to the present invention.
in the figure, 1 insulating protective sleeve, 2 first high temperature resistant layer, 3 second high temperature resistant layer, 4 inner filling layer, 5 cable core wrapping layer, 6 cable core conductor and 7 copper rod.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: the utility model provides a high temperature resistant aerial insulated cable, including insulating protective sheath 1, first high temperature resistant layer 2, second high temperature resistant layer 3, interior filler layer 4, core cable parcel layer 5, core cable conductor 6 and copper bar 7, a serial communication port, fixed mounting has first high temperature resistant layer 2 on insulating protective sheath 1's the inner wall, fixed mounting has second high temperature resistant layer 3 on first high temperature resistant layer 2's the inner wall, fixed mounting has interior filler layer 4 on the inner wall of second high temperature resistant layer 3, core cable conductor 6 that the inside fixed mounting of interior filler layer 4 had, core cable conductor 6's outside fixed mounting has core cable parcel layer 5, the inside fixed mounting of interior filler layer 4 has copper bar 7.
The inside of insulating protective sheath 1 is filled with fire-retardant granule, and fire-retardant granule is fire-retardant nylon.
The mica particles are filled in the cable core wrapping layer 5 and are uniformly distributed in the cable core wrapping layer 5.
A preparation method of a high-temperature-resistant overhead insulated cable comprises the following steps:
1) Drawing the aluminum monofilaments, annealing the monofilaments, and then twisting the aluminum monofilaments to form the cable core conductor 6;
2) Melting 100 parts of polytetrafluoroethylene at high temperature to obtain a first mixed solution, adding 10 parts of mica particles into the first mixed solution, stirring by using a mixer, and injecting into a mold to obtain an insulating protective sleeve 1;
3) Fully heating and stirring 50 parts of polyvinyl chloride, 30 parts of polychloroethylene, 30 parts of tetrachloroethylene, 10 parts of methyl ethylene rubber, 0.1 part of magnesium oxide, 4 parts of plasticizer and 1 part of antioxidant to prepare a mixed solution II, wherein the heating temperature is 210-280 ℃, and then cooling the mixed solution 2, filling the mixed solution 2 on the inner wall of the insulating protective sleeve 1 to form a first high-temperature resistant layer 2 and a second high-temperature resistant layer 3;
4) Uniformly binding mica tapes on the outer part of the cable core conductor 6, and uniformly cutting the prepared cable core into five equal parts;
5) and (3) inserting the copper rod 7 into the prepared optical cable sheath, then placing the cable core into the optical cable sheath around the copper rod 7 in a central symmetry manner, then filling the inner filling layer 4 into the optical cable sheath, and finally preparing the cable.
and 2, the powder diameter of the mica particles is zero point one millimeter, and 100 parts of the polytetrafluoroethylene is added with the preservative.
Mix liquid 2 and cool off, fill on insulating protective sheath 1's inner wall, form first high temperature resistant layer 2 and second high temperature resistant layer 3, become the one deck with high temperature resistant layer, removed the direct aerial insulated cable that forms high temperature resistant of one-time cooling fashioned process from, save time, improve production efficiency.
example two: the utility model provides a high temperature resistant aerial insulated cable, including insulating protective sheath 1, first high temperature resistant layer 2, second high temperature resistant layer 3, interior filler layer 4, core cable parcel layer 5, core cable conductor 6 and copper bar 7, a serial communication port, fixed mounting has first high temperature resistant layer 2 on insulating protective sheath 1's the inner wall, fixed mounting has second high temperature resistant layer 3 on first high temperature resistant layer 2's the inner wall, fixed mounting has interior filler layer 4 on the inner wall of second high temperature resistant layer 3, core cable conductor 6 that the inside fixed mounting of interior filler layer 4 had, core cable conductor 6's outside fixed mounting has core cable parcel layer 5, the inside fixed mounting of interior filler layer 4 has copper bar 7.
The inside of insulating protective sheath 1 is filled with fire-retardant granule, and fire-retardant granule is fire-retardant nylon.
The mica particles are filled in the cable core wrapping layer 5 and are uniformly distributed in the cable core wrapping layer 5.
a preparation method of a high-temperature-resistant overhead insulated cable comprises the following steps:
1) Drawing the aluminum monofilaments, annealing the monofilaments, and then twisting the aluminum monofilaments to form the cable core conductor 6;
2) Melting 100 parts of polytetrafluoroethylene at high temperature to obtain a first mixed solution, adding 10 parts of mica particles into the first mixed solution, stirring by using a mixer, and injecting into a mold to obtain an insulating protective sleeve 1;
3) Fully heating and stirring 50 parts of polyvinyl chloride, 30 parts of polychloroethylene, 30 parts of tetrachloroethylene, 10 parts of methyl ethylene rubber, 0.1 part of magnesium oxide, 4 parts of plasticizer and 1 part of antioxidant to prepare a mixed solution II, wherein the heating temperature is 210-280 ℃, and then cooling and filling half of the mixed solution 2 on the inner wall of the insulating protective sleeve 1 to form a first high-temperature resistant layer 2;
4) adding 10-15 parts of methyl silicone oil and 5-8 parts of hydrogen-containing silicone oil into one half of the mixed solution II, heating to 200-250 ℃, stirring for reaction for 0.5 hour, filling the mixture on the inner wall of the first high-temperature-resistant layer 2, and cooling to normal temperature to form a second high-temperature-resistant layer 3 to obtain an optical cable sheath;
5) Uniformly binding mica tapes on the outer part of the cable core conductor 6, and uniformly cutting the prepared cable core into five equal parts;
6) And (3) inserting the copper rod 7 into the prepared optical cable sheath, then placing the cable core into the optical cable sheath around the copper rod 7 in a central symmetry manner, then filling the inner filling layer 4 into the optical cable sheath, and finally preparing the cable.
And 2, the powder diameter of the mica particles is zero point one millimeter, and 100 parts of the polytetrafluoroethylene is added with the preservative.
Adding 10-15 parts of methyl silicone oil and 5-8 parts of hydrogen-containing silicone oil into half of the mixed solution II, heating to 200-250 ℃, stirring for reaction for 0.5 hour, filling the mixture on the inner wall of the first high-temperature-resistant layer 2, cooling to normal temperature to form a second high-temperature-resistant layer 3 to prepare an optical cable sheath, and through double-layer protection, the optical cable sheath has stronger high-temperature resistance, stronger combustion-supporting capacity and safer and more reliable use.
The invention has the beneficial effects that: the high-temperature-resistant aerial insulated cable and the preparation method thereof are characterized in that 100 parts of poly-tetrachloroethylene are melted at high temperature to prepare a first mixed solution, 10 parts of mica particles are added into the first mixed solution, the mixture is stirred by a mixer and then injected into a mould to prepare an insulated protective sleeve 1, 50-60 parts of polyvinyl chloride, 30-40 parts of poly-tetrachloroethylene, 10-15 parts of methyl ethylene rubber, 0.1-0.2 part of magnesium oxide, 4-6 parts of plasticizer and 1-2 parts of antioxidant are fully heated and stirred to prepare a second mixed solution, the heating temperature is 210-280 ℃, then a half of the second mixed solution 2 is cooled and filled on the inner wall of the insulated protective sleeve 1 to form a first high-temperature-resistant layer 2, 10-15 parts of methyl silicone oil and 5-8 parts of hydrogen-containing silicone oil are added into the half of the second mixed solution, Heating to 200-250 ℃, stirring for reaction for 0.5 hour, then filling the mixture on the inner wall of the first high temperature resistant layer 2, cooling to normal temperature to form a second high temperature resistant layer 3 to prepare an optical cable sheath, uniformly binding mica tapes on the outer part of the cable core conductor 6, uniformly cutting the prepared cable core into five equal parts, inserting a copper rod 7 into the prepared optical cable sheath, then the cable core is placed in the optical cable sheath in a central symmetry manner around the copper rod 7, then the inner filling layer 4 is filled in the optical cable sheath, finally the cable is manufactured, the manufactured optical cable effectively improves the high temperature resistance effect, and can effectively prevent the cable from fusing, improve the adaptability of the cable at high temperature, have simple steps, simple materials and simple equipment, and the prepared cable has the advantages of corrosion resistance, tensile resistance and high temperature resistance, and is better in adaptability and convenient to popularize and use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. the utility model provides a high temperature resistant aerial insulated cable, includes insulating protective sheath (1), first high temperature resistant layer (2), second high temperature resistant layer (3), interior filling layer (4), cable core parcel layer (5), cable core conductor (6) and copper pole (7), its characterized in that, fixed mounting has first high temperature resistant layer (2) on the inner wall of insulating protective sheath (1), fixed mounting has second high temperature resistant layer (3) on the inner wall of first high temperature resistant layer (2), fixed mounting has interior filling layer (4) on the inner wall of second high temperature resistant layer (3), cable core conductor (6) that the inside fixed mounting of interior filling layer (4) had, the outside fixed mounting of cable core conductor (6) has cable core parcel layer (5), the inside fixed mounting of interior filling layer (4) has copper pole (7).
2. The high-temperature-resistant aerial insulated cable according to claim 1, wherein the interior of the insulating protective sheath (1) is filled with flame-retardant particles, and the flame-retardant particles are made of flame-retardant nylon.
3. The high-temperature-resistant aerial insulated cable as claimed in claim 1, wherein the core wrap (5) is filled with mica particles, and the mica particles are uniformly distributed in the core wrap (5).
4. The high-temperature-resistant overhead insulated cable according to claim 1, wherein the number of the core conductors (6) is five, and the core conductors (6) are arranged in a central symmetry manner with the copper rod (7) as the center.
5. A preparation method of a high-temperature-resistant overhead insulated cable is characterized by comprising the following steps:
1) Drawing the aluminum monofilaments, annealing the monofilaments, and then twisting the aluminum monofilaments to form a cable core conductor (6);
2) melting 100 parts of polytetrafluoroethylene at high temperature to obtain a first mixed solution, adding 10 parts of mica particles into the first mixed solution, stirring by using a mixer, and injecting into a mold to obtain an insulating protective sleeve (1);
3) Fully heating and stirring 50-60 parts of polyvinyl chloride, 30-40 parts of polychloroethylene, 30-40 parts of tetrachloroethylene, 10-15 parts of methyl ethylene rubber, 0.1-0.2 part of magnesium oxide, 4-6 parts of plasticizer and 1-2 parts of antioxidant to prepare a mixed solution II, wherein the heating temperature is 210-280 ℃, and then cooling and filling half of the mixed solution 2 on the inner wall of the insulating protective sleeve (1) to form a first high temperature resistant layer (2);
4) adding 10-15 parts of methyl silicone oil and 5-8 parts of hydrogen-containing silicone oil into one half of the mixed solution II, heating to 200-250 ℃, stirring for reaction for 0.5 hour, filling the mixture on the inner wall of the first high-temperature-resistant layer (2), and cooling to normal temperature to form a second high-temperature-resistant layer (3) to prepare an optical cable sheath;
5) Uniformly binding mica tapes on the outer part of the cable core conductor (6), and uniformly cutting the prepared cable core into five equal parts;
6) and (3) inserting the copper rod (7) into the prepared cable sheath, then placing the cable core in the cable sheath around the copper rod (7) in central symmetry, then filling the inner filling layer (4) into the cable sheath, and finally preparing the cable.
6. The method for preparing the high-temperature-resistant overhead insulated cable according to claim 5, wherein the mica particles in the step 2 have a powder diameter of zero point one millimeter, and 100 parts of the polytetrafluoroethylene is added with the preservative.
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| CN201910734223.3A CN110570983A (en) | 2019-08-09 | 2019-08-09 | high-temperature-resistant aerial insulated cable and preparation method thereof |
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| CN201910734223.3A CN110570983A (en) | 2019-08-09 | 2019-08-09 | high-temperature-resistant aerial insulated cable and preparation method thereof |
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| CN110570983A true CN110570983A (en) | 2019-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792579A (en) * | 2022-05-18 | 2022-07-26 | 广东万瑞通电缆实业有限公司 | High-temperature-resistant ultraviolet-aging-resistant photovoltaic cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130060931A (en) * | 2011-11-30 | 2013-06-10 | 한국전력공사 | Dual insulated cable |
| CN204667912U (en) * | 2014-12-30 | 2015-09-23 | 宁波神雕电缆有限公司 | A kind of high-temperature-resistant, tensile cable |
| CN107293358A (en) * | 2016-02-25 | 2017-10-24 | 杨攀 | A kind of electric wire |
| CN108806859A (en) * | 2018-08-30 | 2018-11-13 | 安徽华上电缆科技有限公司 | A kind of fireproof wear-resisting copper core armoured power cable |
| CN208157110U (en) * | 2018-05-02 | 2018-11-27 | 扬州曙光电缆股份有限公司 | A kind of military industry equipment high-temperature-resistant special cable |
| CN209087433U (en) * | 2018-11-28 | 2019-07-09 | 广州粤道实业有限公司 | A kind of electric car high temperature resistant charging cable |
-
2019
- 2019-08-09 CN CN201910734223.3A patent/CN110570983A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130060931A (en) * | 2011-11-30 | 2013-06-10 | 한국전력공사 | Dual insulated cable |
| CN204667912U (en) * | 2014-12-30 | 2015-09-23 | 宁波神雕电缆有限公司 | A kind of high-temperature-resistant, tensile cable |
| CN107293358A (en) * | 2016-02-25 | 2017-10-24 | 杨攀 | A kind of electric wire |
| CN208157110U (en) * | 2018-05-02 | 2018-11-27 | 扬州曙光电缆股份有限公司 | A kind of military industry equipment high-temperature-resistant special cable |
| CN108806859A (en) * | 2018-08-30 | 2018-11-13 | 安徽华上电缆科技有限公司 | A kind of fireproof wear-resisting copper core armoured power cable |
| CN209087433U (en) * | 2018-11-28 | 2019-07-09 | 广州粤道实业有限公司 | A kind of electric car high temperature resistant charging cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114792579A (en) * | 2022-05-18 | 2022-07-26 | 广东万瑞通电缆实业有限公司 | High-temperature-resistant ultraviolet-aging-resistant photovoltaic cable |
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Application publication date: 20191213 |
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