CN214505082U - Cable for high-temperature-resistant cabin - Google Patents
Cable for high-temperature-resistant cabin Download PDFInfo
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- CN214505082U CN214505082U CN202120474254.2U CN202120474254U CN214505082U CN 214505082 U CN214505082 U CN 214505082U CN 202120474254 U CN202120474254 U CN 202120474254U CN 214505082 U CN214505082 U CN 214505082U
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Abstract
The high-temperature-resistant cable for the cabin comprises a cable core, wherein the cable core is formed by stranding a plurality of conducting wires and polysulfonamide fibers, and the conducting wires are structurally characterized in that: the innermost layer is a copper core, a high-temperature resistant halogen-free insulating layer is arranged outside the copper core, and an aluminum foil is arranged outside the high-temperature resistant halogen-free insulating layer; the cable core is equipped with the aluminum silicate fiber layer outward, the aluminum silicate fiber layer is equipped with the magnesium hydrate grained layer outward, be equipped with irradiation crosslinked polyolefin layer outward outside the magnesium hydrate grained layer, irradiation crosslinked polyolefin layer is equipped with the oil absorption fibrous layer outward, the oil absorption fibrous layer is equipped with the polyimide restrictive coating outward, be equipped with a plurality of carborundum fiber ropes in the polyimide restrictive coating. According to the invention, through scientific combination of the structure and the materials, the cable which has excellent high-temperature resistance and flame retardant property and is suitable for the cabin is prepared.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a high-temperature-resistant cable for a cabin.
Background
Cables are generally rope-like cables made by stranding several or several groups of conductors (at least two per group), each group being insulated from each other and usually twisted around a center, covered with a highly insulating covering throughout, erected in the air or installed underground, underwater, for telecommunication or power transmission,
the cable is also a necessary matching device for building the ship, the existing ship mostly adopts steam as a power source, the temperature in the power cabin is high, and the common cable is easy to damage under the working environment, so that the cable for the high-temperature-resistant cabin needs to be designed.
Disclosure of Invention
In order to meet the requirements, the invention provides a high-temperature-resistant cable for a cabin, which has excellent high-temperature resistance and flame-retardant property and is suitable for the cabin.
The technical scheme adopted by the invention for solving the technical problems is as follows: the high-temperature-resistant cable for the cabin comprises a cable core, wherein the cable core is formed by stranding a plurality of conducting wires and polysulfonamide fibers, and the conducting wires are structurally characterized in that: the innermost layer is a copper core, a high-temperature resistant halogen-free insulating layer is arranged outside the copper core, and an aluminum foil is arranged outside the high-temperature resistant halogen-free insulating layer;
the cable core is equipped with the aluminum silicate fiber layer outward, the aluminum silicate fiber layer is equipped with the magnesium hydrate grained layer outward, be equipped with irradiation crosslinked polyolefin layer outward outside the magnesium hydrate grained layer, irradiation crosslinked polyolefin layer is equipped with the oil absorption fibrous layer outward, the oil absorption fibrous layer is equipped with the polyimide restrictive coating outward, be equipped with a plurality of carborundum fiber ropes in the polyimide restrictive coating.
Preferably, the copper core is made of oxygen-free copper or cupronickel.
Preferably, the high-temperature resistant halogen-free insulating layer is made of high-density polyethylene or high-temperature vulcanized silicone rubber.
Preferably, the number of the silicon carbide fiber ropes is not less than 6.
The cable has the advantages that the lead wire of the cable is made of high-temperature-resistant halogen-free insulating materials, toxic gas cannot be generated when the cable is burnt, the polysulfonamide fiber has excellent electrical insulation and heat resistance, in addition, the flame retardance is high, the chemical resistance is good, and the lead wire in the cable core can be effectively protected.
The aluminum silicate fiber has the advantages of high temperature resistance, good thermal stability, low thermal conductivity, small heat capacity, good mechanical vibration resistance, small thermal expansion, good heat insulation performance and the like, and can effectively protect the cable core.
Magnesium oxide solid and vapor generated by decomposing magnesium hydroxide particles at high temperature, wherein the magnesium oxide solid isolates combustible from oxygen, a large amount of heat is absorbed in the decomposition process, the generated heat is taken away by the vapor, the temperature of the combustible is reduced to be below the ignition point, and meanwhile, the vapor can dilute the oxygen on the surface of the combustible and is an excellent flame retardant.
The polyimide outer sheath resists high temperature of more than 400 ℃, has the long-term use temperature range of-200-.
The invention has the beneficial effects that: through scientific combination of the structure and the materials, the cable which has excellent high temperature resistance and flame retardant property and is suitable for the cabin is prepared.
Drawings
The invention is further illustrated by the following figures and examples
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the lead.
In the figure: 1. the cable comprises a lead, 1.1 a copper core, 1.2 a high-temperature resistant halogen-free insulating layer, 1.3 aluminum foil, 2 polysulfonamide fibers, 3 aluminum silicate fiber layers, 4 magnesium hydroxide particle layers, 5 irradiation cross-linked polyolefin layers, 6 oil absorption fiber layers, 7 polyimide sheath layers and 8 silicon carbide fiber ropes.
Detailed Description
Fig. 1 and 2 show a cable for a high temperature resistant cabin, in which: 1. the cable comprises a lead, 1.1 a copper core, 1.2 a high-temperature resistant halogen-free insulating layer, 1.3 aluminum foil, 2 polysulfonamide fibers, 3 aluminum silicate fiber layers, 4 magnesium hydroxide particle layers, 5 irradiation cross-linked polyolefin layers, 6 oil absorption fiber layers, 7 polyimide sheath layers and 8 silicon carbide fiber ropes.
Still include the cable core, the cable core is twisted by a plurality of wires and polysulfonamide fibre and forms, the structure of wire is: the innermost layer is a copper core, a high-temperature resistant halogen-free insulating layer is arranged outside the copper core, and an aluminum foil is arranged outside the high-temperature resistant halogen-free insulating layer;
the cable core is equipped with the aluminum silicate fiber layer outward, the aluminum silicate fiber layer is equipped with the magnesium hydrate grained layer outward, be equipped with irradiation crosslinked polyolefin layer outward outside the magnesium hydrate grained layer, irradiation crosslinked polyolefin layer is equipped with the oil absorption fibrous layer outward, the oil absorption fibrous layer is equipped with the polyimide restrictive coating outward, be equipped with a plurality of carborundum fiber ropes in the polyimide restrictive coating.
In this example, the copper core is oxygen-free copper.
In this embodiment, the material of the high temperature resistant halogen-free insulating layer is high density polyethylene.
In this example, the number of the silicon carbide fiber ropes is 10.
Claims (4)
1. High temperature resistant cable for cabin, including the cable core, characterized by: the cable core is formed by twisting a plurality of conducting wires and polysulfonamide fibers, and the conducting wires have the following structures: the innermost layer is a copper core, a high-temperature resistant halogen-free insulating layer is arranged outside the copper core, and an aluminum foil is arranged outside the high-temperature resistant halogen-free insulating layer;
the cable core is equipped with the aluminum silicate fiber layer outward, the aluminum silicate fiber layer is equipped with the magnesium hydrate grained layer outward, be equipped with irradiation crosslinked polyolefin layer outward outside the magnesium hydrate grained layer, irradiation crosslinked polyolefin layer is equipped with the oil absorption fibrous layer outward, the oil absorption fibrous layer is equipped with the polyimide restrictive coating outward, be equipped with a plurality of carborundum fiber ropes in the polyimide restrictive coating.
2. The high temperature resistant cabin cable of claim 1, wherein: the copper core is made of oxygen-free copper or cupronickel.
3. The high temperature resistant cabin cable of claim 1, wherein: the high-temperature resistant halogen-free insulating layer is made of high-density polyethylene or high-temperature vulcanized silicone rubber.
4. The high temperature resistant cabin cable of claim 1, wherein: the number of the silicon carbide fiber ropes is not less than 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120474254.2U CN214505082U (en) | 2021-03-05 | 2021-03-05 | Cable for high-temperature-resistant cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120474254.2U CN214505082U (en) | 2021-03-05 | 2021-03-05 | Cable for high-temperature-resistant cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214505082U true CN214505082U (en) | 2021-10-26 |
Family
ID=78227915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120474254.2U Active CN214505082U (en) | 2021-03-05 | 2021-03-05 | Cable for high-temperature-resistant cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214505082U (en) |
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2021
- 2021-03-05 CN CN202120474254.2U patent/CN214505082U/en active Active
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