CN220526649U - Heat-conducting rat-proof anti-aging coaxial cable - Google Patents

Heat-conducting rat-proof anti-aging coaxial cable Download PDF

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Publication number
CN220526649U
CN220526649U CN202321865780.7U CN202321865780U CN220526649U CN 220526649 U CN220526649 U CN 220526649U CN 202321865780 U CN202321865780 U CN 202321865780U CN 220526649 U CN220526649 U CN 220526649U
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China
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layer
copper
coaxial cable
proof
rat
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CN202321865780.7U
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黄桂领
王洪超
邱金波
王超
姚汪宁
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Zhejiang Zetastone Special Cable Co ltd
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Zhejiang Zetastone Special Cable Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation

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Abstract

The utility model discloses a heat-conducting rat-proof and termite-proof anti-aging coaxial cable, which comprises an inner conductor, a foaming FEP extrusion inner insulating layer, an FEP wrapping outer insulating layer, a copper corrugated pipe shielding layer, a tetrafluoroethylene propylene copolymer fluororubber sheath layer and a stainless steel wire armor layer, wherein the foaming FEP extrusion inner insulating layer, the FEP wrapping outer insulating layer, the copper corrugated pipe shielding layer, the tetrafluoroethylene propylene copolymer fluororubber sheath layer and the stainless steel wire armor layer are sequentially coated on the outer surface of the inner conductor, a nickel copper harm-proof coating, a zinc oxide shielding layer and an insulating lubricating grease layer are sequentially coated on the outer surface of the copper corrugated pipe shielding layer, and the outer diameter of the stainless steel wire armor layer is 10-28 mm. The coaxial cable can timely emit heat of an external conductor, reduces the cracking and breakage of the outer sheath caused by mechanical stress, effectively prevents damage of mice and ants, inhibits the phenomenon of copper damage, prolongs the ageing resistance of an insulating layer, and improves the durability.

Description

Heat-conducting rat-proof anti-aging coaxial cable
Technical Field
The application relates to the technical field of cables, in particular to a heat-conducting rat-proof and termite-proof anti-aging coaxial cable.
Background
Coaxial cable is one of the main varieties of wire and cable. In the working process of the coaxial cable, the problem of expansion caused by heat and contraction caused by load change can occur in the temperature rise of the inner conductor or the outer conductor, mechanical stress is generated along the axial direction of the cable line, for example, the coaxial cable is limited by the heat dissipation performance of the outer sheath, the heat of the temperature rise of the outer conductor can not be timely dissipated, the outer sheath is easy to crack and damage under the action of the mechanical stress, moreover, the cable is often damaged by biting rats and insects, the outer skin of the cable is damaged to cause circuit faults, and the durability is poor. In addition, in the use of the material of the coaxial cable, the use amount of polyvinyl chloride and polyolefin is large, and the insulation layer of the coaxial cable can also use a fluororesin material, so that the material has the performances of low dielectric coefficient, high dielectric strength, high temperature resistance, low friction coefficient and the like. However, the copper conductor and the insulating layer are directly contacted to generate a copper harm phenomenon, and the copper harm is that the insulating material is directly contacted with the copper conductor to generate a chemical reaction, so that the oxidation resistance of an antioxidant in the insulating material is reduced, the ageing resistance of the insulating material is reduced, the time is long, the insulating material loses the efficacy, and the potential safety hazard is brought to the normal application of the cable.
Disclosure of Invention
The application aims at the defects of the prior art, and the technical problem to be solved is to provide the heat-conducting rat-proof ant anti-aging coaxial cable which can timely emit external conductor heat, reduce the cracking and breakage of the outer jacket caused by mechanical stress, effectively prevent the damage of rat ants, inhibit the copper damage phenomenon, prolong the aging resistance of the insulating layer and improve the durability.
The technical problems are solved by the following technical scheme.
The utility model provides a heat conduction type protection against rodents ant ageing resistance coaxial cable, is in including inner conductor and cladding in proper order the outside foaming FEP crowded package inner insulation layer of inner conductor, FEP wrapping outer insulation layer, copper bellows shielding layer, tetrafluoroethylene propylene copolymer fluororubber restrictive coating and stainless steel wire armor, the surface of inner conductor has coated nickel matter in proper order and has prevented copper damage coating, zinc oxide barrier layer and insulating lubricating grease layer, copper bellows shielding layer external surface coating has heat conduction silicone grease layer, stainless steel wire armor external diameter is 10mm to 28mm.
Preferably, the inner conductor is formed by twisting a plurality of tin-plated copper sector conductors to form an annular inner conductor layer, and a stainless steel wire stranded wire is sleeved in a central hole of the annular inner conductor layer.
Preferably, the tinned copper sector conductor is formed by twisting a plurality of strands and compacting the strands into a sector structure, and the strands are formed by twisting a plurality of tinned copper monofilaments.
Preferably, the diameter of the tinned copper monofilament is 0.05mm to 0.3mm.
Preferably, the FEP wrapping outer insulating layer is a multi-layer FEP resin tape mutually reverse spiral wrapping structure.
Preferably, the FEP resin tape has a thickness of 20 μm to 150 μm.
Preferably, the thermally conductive silicone grease layer has a thickness of 8 μm to 25 μm.
Preferably, the thickness of the nickel copper harm preventing coating is 1-5 μm, the thickness of the zinc oxide barrier layer is 10-100 nm, and the thickness of the insulating lubricating grease layer is 20-30 μm.
Preferably, the thickness ratio of the foamed FEP extrusion inner insulation layer to the FEP wrapping outer insulation layer is 2:1 to 4:1.
Preferably, the inner surface of the copper corrugated pipe shielding layer is sequentially coated with a nickel copper harm prevention coating and a zinc oxide barrier layer.
The beneficial effects of this application:
1. the heat conduction silicone grease layer is coated on the outer surface of the copper corrugated pipe shielding layer, so that heat in a cable working state is radiated in time, the thermal expansion effect is reduced, the cracking and breakage phenomenon caused by mechanical stress generated by the sheath layer is avoided, and the durability is improved.
2. The stainless steel wire armor layer is added outside the tetrafluoroethylene propylene copolymer fluororubber sheath layer, so that the damage of rats and ants is effectively prevented.
3. Through coating nickel matter prevents copper pest coating, zinc oxide barrier layer and insulating lubricating grease layer in the outer surface of inner conductor, block that inner conductor and insulating layer take place direct contact, prevent that copper ion from diffusing to the insulating layer and causing copper pest phenomenon to take place, zinc oxide barrier layer can protect nickel matter to prevent copper pest coating and take place oxidation reaction to improve cable insulating layer's ageing resistance, increase of service life, add insulating lubricating grease layer and increase slidability, be of value to reducing the friction between insulating layer and the inner conductor, improve the pliability.
Drawings
The following drawings are intended to facilitate the description of the preferred embodiments and are not intended to limit the scope of the present application.
Fig. 1 is a schematic cross-sectional structure of an embodiment of the present application.
In the figure: the cable comprises a 1-inner conductor, a 2-foaming FEP extrusion inner insulating layer, a 3-FEP wrapping outer insulating layer, a 4-copper corrugated pipe shielding layer, a 5-tetrafluoroethylene propylene copolymer fluororubber sheath layer and a 6-stainless steel wire armor layer.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
As shown in fig. 1, the heat-conducting rat-proof and ant-aging-resistant coaxial cable of the embodiment of the application comprises an inner conductor 1, in the embodiment, the inner conductor 1 is formed by twisting a plurality of tin-plated copper sector conductors to form an annular inner conductor layer, a stainless steel wire stranded wire is sleeved in a central hole of the annular inner conductor layer, specifically speaking, the tin-plated copper sector conductors are twisted in a plurality of stranded wires in a multi-stranded manner and are tightly pressed into a sector structure, and the stranded wires are formed by twisting a plurality of tin-plated copper monofilaments, for example, the diameter of each tin-plated copper monofilament is 0.05mm to 0.3mm. The outer surface of the inner conductor 1 is sequentially coated with a nickel copper-damage-preventing coating, a zinc oxide barrier layer and an insulating lubricating grease layer, specifically, the thickness of the nickel copper-damage-preventing coating is 1-5 mu m, the thickness of the zinc oxide barrier layer is 10-100 nm, and the thickness of the insulating lubricating grease layer is 20-30 mu m.
The copper corrugated pipe is characterized in that the outer portion of the inner conductor 1 is sequentially coated with a foaming FEP extrusion inner insulating layer 2, an FEP wrapping outer insulating layer 3, a copper corrugated pipe shielding layer 4, a tetrafluoroethylene propylene copolymer fluororubber sheath layer 5 and a stainless steel wire armor layer 6, the outer surface of the copper corrugated pipe shielding layer 4 is coated with a heat-conducting silicone grease layer, the thickness of the heat-conducting silicone grease layer is 8-25 mu m, and further, the inner surface of the copper corrugated pipe shielding layer 4 is sequentially coated with a nickel copper harm prevention coating and a zinc oxide barrier layer. The thickness ratio of the foamed FEP extrusion inner insulating layer 2 and the FEP wrapping outer insulating layer 3 is 2:1 to 4:1. In one embodiment, the FEP wrapping outer insulation layer 3 is a multi-layer FEP resin tape with mutually reverse spiral wrapping structure, further, the thickness of the FEP resin tape is 20-150 μm. The outer diameter of the stainless steel wire armor layer 6 is 10mm to 28mm.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. Heat conduction type protection against rodents ant ageing resistance coaxial cable, characterized by: including inner conductor (1) and cladding in proper order inner conductor (1) outside foaming FEP crowded package inner insulation layer (2), FEP around package outer insulation layer (3), copper bellows shielding layer (4), tetrafluoroethylene propylene copolymer fluororubber restrictive coating (5) and stainless steel wire armor (6), the surface of inner conductor (1) has coated nickel matter in proper order and has prevented copper harm coating, zinc oxide barrier layer and insulating lubricating grease layer, copper bellows shielding layer (4) surface coating has heat conduction silicone grease layer, stainless steel wire armor (6) external diameter is 10mm to 28mm.
2. The thermally conductive, rat-proof, termite-resistant coaxial cable of claim 1 wherein: the inner conductor (1) is formed by twisting a plurality of tin-plated copper sector conductors to form an annular inner conductor layer, and a stainless steel wire stranded wire is sleeved in a central hole of the annular inner conductor layer.
3. The thermally conductive, rat-proof, termite-resistant coaxial cable of claim 2 wherein: the tinned copper sector conductor is formed by twisting a plurality of strands and pressing the strands into a sector structure, and the strands are formed by twisting a plurality of tinned copper monofilaments.
4. A thermally conductive, rat-proof and anti-aging coaxial cable according to claim 3, characterized in that: the diameter of the tinned copper monofilament is 0.05mm to 0.3mm.
5. The thermally conductive, rat-proof, termite-resistant coaxial cable of claim 1 wherein: the FEP wrapping outer insulating layer (3) is a multi-layer FEP resin tape mutually reverse spiral wrapping structure.
6. The thermally conductive, rat-proof and anti-aging coaxial cable of claim 5, wherein: the FEP resin tape thickness is 20 μm to 150 μm.
7. The thermally conductive, rat-proof, termite-resistant coaxial cable of claim 1 wherein: the thermally conductive silicone grease layer has a thickness of 8 μm to 25 μm.
8. The thermally conductive, rat-proof, termite-resistant coaxial cable of claim 1 wherein: the thickness of the nickel copper harm prevention coating is 1-5 mu m, the thickness of the zinc oxide barrier layer is 10-100 nm, and the thickness of the insulating lubricating grease layer is 20-30 mu m.
9. The thermally conductive, rat-proof, termite-resistant coaxial cable of claim 1 wherein: the thickness ratio of the FEP extrusion inner insulating layer (2) to the FEP wrapping outer insulating layer (3) is 2:1 to 4:1.
10. The thermally conductive, rat-proof, termite-resistant coaxial cable of claim 1 wherein: the inner surface of the copper corrugated pipe shielding layer (4) is sequentially coated with a nickel copper harm prevention coating and a zinc oxide barrier layer.
CN202321865780.7U 2023-07-17 2023-07-17 Heat-conducting rat-proof anti-aging coaxial cable Active CN220526649U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321865780.7U CN220526649U (en) 2023-07-17 2023-07-17 Heat-conducting rat-proof anti-aging coaxial cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321865780.7U CN220526649U (en) 2023-07-17 2023-07-17 Heat-conducting rat-proof anti-aging coaxial cable

Publications (1)

Publication Number Publication Date
CN220526649U true CN220526649U (en) 2024-02-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321865780.7U Active CN220526649U (en) 2023-07-17 2023-07-17 Heat-conducting rat-proof anti-aging coaxial cable

Country Status (1)

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CN (1) CN220526649U (en)

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