CN220526649U - Heat-conducting rat-proof anti-aging coaxial cable - Google Patents
Heat-conducting rat-proof anti-aging coaxial cable Download PDFInfo
- 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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- CN
- China
- Prior art keywords
- layer
- copper
- coaxial cable
- proof
- rat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 38
- 239000010949 copper Substances 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000004020 conductor Substances 0.000 claims abstract description 37
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 239000004519 grease Substances 0.000 claims abstract description 16
- 230000006378 damage Effects 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 239000011787 zinc oxide Substances 0.000 claims abstract description 12
- 230000001050 lubricating effect Effects 0.000 claims abstract description 9
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 7
- 230000032683 aging Effects 0.000 claims abstract description 6
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 4
- 241000283984 Rodentia Species 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 241000256602 Isoptera Species 0.000 claims 7
- 230000035882 stress Effects 0.000 abstract description 5
- 241000257303 Hymenoptera Species 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 241000699670 Mus sp. Species 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 description 4
- 241000700159 Rattus Species 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Insulated Conductors (AREA)
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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN220526649U true CN220526649U (en) | 2024-02-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321865780.7U Active CN220526649U (en) | 2023-07-17 | 2023-07-17 | Heat-conducting rat-proof anti-aging coaxial cable |
Country Status (1)
Country | Link |
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CN (1) | CN220526649U (en) |
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2023
- 2023-07-17 CN CN202321865780.7U patent/CN220526649U/en active Active
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