CN111899932A

CN111899932A - Ceramic silica gel cable

Info

Publication number: CN111899932A
Application number: CN202010715717.XA
Authority: CN
Inventors: 陈洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-11-06

Abstract

The invention discloses a ceramic silica gel cable which comprises an outer wall of the cable, wherein the outer wall of the cable is divided into eight layers, the outermost layer of the outer wall of the cable is a ceramic silica gel layer, the inner surface of the ceramic silica gel layer is fixedly connected with an anti-corrosion layer, the inner surface of the anti-corrosion layer is fixedly connected with a plastic-coated aluminum layer, the inner surface of the plastic-coated aluminum layer is fixedly connected with an aramid fiber layer, the inner surface of the aramid fiber layer is fixedly connected with a polyethylene outer layer, the inner surface of the polyethylene outer layer is fixedly connected with an aluminum-plastic composite layer, and the inner surface of. According to the ceramic silica gel cable, the outer polyethylene layer, the plastic-coated steel layer, the aramid fiber layer, the plastic-coated aluminum layer and the ceramic silica gel layer are matched with each other, the plastic-coated steel layer is arranged, so that the cable is more corrosion-resistant, the cable is not easy to damage, the cable can be used for a longer time, a hard ceramic protective layer can be formed at a high temperature, a fire source isolation and fire prevention effect is achieved, and the fire resistance of the ceramic silica gel cable is improved.

Description

Ceramic silica gel cable

Technical Field

The invention relates to the technical field of electric power, in particular to a ceramic silica gel cable.

Background

Along with the development of the society, the power consumption also increases, the current carrying capacity of the cable is required to be larger and larger, the section of a conductive wire core of the cable is continuously enlarged, and the weight of the cable in unit length is also increased. For certain environments where fire resistance is required, fire resistance is ensured primarily by providing a fire resistant layer on the exterior of the conductor. The existing cable mainly adopts magnesium oxide mineral or mica as a fire-resistant layer.

However, the equipment for producing the magnesia mineral fireproof insulated cable is expensive, the capital investment is particularly large, the bending radius of the cable is large, and the cable has special requirements in the processes of production, processing, transportation, laying, installation and use of lines and the like. The fire-resistant cable made of the mica tape needs to be wound in multiple layers in the production process, the lapping defects are prone to occurring at the lapping seams due to the limitation of process conditions, and the mica tape is prone to being fragile and falling off after being burnt, so that the fire-resistant effect is reduced to a great extent, the short circuit of lines is caused, and the safe and smooth communication and electric power under the condition of fire are difficult to guarantee.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a ceramic silica gel cable, which solves the problems that the cable has larger bending radius and has special requirements in the processes of production, processing, transportation, laying, installation, use and the like. The fire-resistant cable made of the mica tape needs to be wound in multiple layers in the production process, the lapping defects are prone to occurring at the lapping seams due to the limitation of process conditions, and the mica tape is prone to being fragile and falling off after being burnt, so that the fire-resistant effect is reduced to a great extent, the short circuit of lines is caused, and the problem that the safety and smoothness of communication and electric power under the condition of fire are difficult to guarantee is solved.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pottery silica gel cable, includes the cable outer wall, the cable outer wall divide into eight layers, and outmost ceramic silica gel layer that is, ceramic silica gel layer's internal surface fixedly connected with corrosion resistant layer, the internal surface fixedly connected with plastic-coated aluminium layer on corrosion resistant layer, the internal surface fixedly connected with aramid fiber layer on plastic-coated aluminium layer, the internal surface fixedly connected with polyethylene on aramid fiber layer is outer, the outer internal surface fixedly connected with plastic-aluminum composite bed of polyethylene, the internal surface fixedly connected with plastic-coated steel layer on plastic-aluminum composite bed, the internal surface fixedly connected with polyethylene inlayer on plastic-coated steel layer, the polyethylene inlayer is provided with cable core filler and wire, the wire is located the cable core filler.

Preferably, the polyethylene is filled in the polyethylene outer layer, and the thickness of the polyethylene outer layer is the same as that of the plastic-coated steel layer.

Preferably, the aluminum alloy and the aluminum-plated material are filled in the aluminum-plastic composite layer, and the thickness of the aluminum-plastic composite layer is twice of that of the polyethylene inner layer.

Preferably, the aramid fiber layer is filled with aramid fibers, and the aramid fiber layer and the plastic-coated aluminum layer are the same in thickness.

Preferably, the ceramic silica gel layer is filled with ceramic silica gel, and the thickness of the ceramic silica gel layer is the same as that of the corrosion-resistant layer.

Preferably, the corrosion-resistant layer has the same thickness as the polyethylene inner layer, and the polyethylene inner layer has a thickness of 0.01 mm.

(III) advantageous effects

The invention provides a ceramic silica gel cable which has the following beneficial effects:

(1) the ceramic silica gel cable has the advantages that the outer polyethylene layer, the plastic-coated steel layer, the aramid fiber layer, the plastic-coated aluminum layer and the ceramic silica gel layer are matched with each other, the plastic-coated steel layer is arranged, so that the cable is more corrosion-resistant, the cable is not easy to damage, the cable can be used for a longer time, a hard ceramic protective layer can be formed at a high temperature, the effects of isolating a fire source and preventing fire are achieved, and the fire resistance of the ceramic silica gel cable is improved.

(2) This pottery silica gel cable through setting up corrosion-resistant layer to make corrosion-resistant layer can prevent some to have corrosive liquid or gaseous corruption, avoided the damage of cable.

(3) According to the ceramic silica gel cable, the cable core filler is arranged, and the cable core filler comprises low-smoke halogen-free polyethylene and some filling materials, so that the ceramic silica gel cable has the functions of high temperature resistance and flame retardance and has the damping function.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a left-side view of the present invention.

In the figure: the cable comprises a metal wire 1, a cable core filler 2, a cable outer wall 3, a polyethylene inner layer 31, a plastic-coated steel layer 32, an aluminum-plastic composite layer 33, a polyethylene outer layer 34, an aramid fiber layer 35, a plastic-coated aluminum layer 36, a corrosion-resistant layer 37 and a ceramic silica gel layer 38.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

As shown in fig. 1-2, the present invention provides a technical solution: a ceramic silica gel cable comprises a cable outer wall 3, the cable outer wall 3 is divided into eight layers, the outermost layer is a ceramic silica gel layer 38, the ceramic silica gel layer 38 is filled with ceramic silica gel, the thickness of the ceramic silica gel layer 38 is the same as that of a corrosion-resistant layer 37, the inner surface of the ceramic silica gel layer 38 is fixedly connected with the corrosion-resistant layer 37, the thickness of a polyethylene inner layer 31 of the corrosion-resistant layer 37 is the same, the thickness of the polyethylene inner layer 31 is 0.01mm, the inner surface of the corrosion-resistant layer 37 is fixedly connected with a plastic-coated aluminum layer 36, the inner surface of the plastic-coated aluminum layer 36 is fixedly connected with an aramid fiber layer 35, the aramid fiber layer 35 is arranged, the aramid fiber layer 35 is filled inside, the novel composite high-performance woven belt is a new composite high-strength woven belt, the strength is 5-6 times of high-quality steel, is 2-3 times of steel or glass fiber, and the toughness is 2 times, the weight of the aramid fiber is only 1/5 of steel, and the continuous use temperature range of the aramid fiber is extremely wide and is at-196 ℃. The cable can normally operate for a long time within the range of C to 204 ℃, the shrinkage rate is 0 at 150 ℃, the cable is not decomposed and melted at the high temperature of 560 ℃, the cable has good insulation and corrosion resistance, the life cycle is long, the tensile strength of the cable is ensured, meanwhile, the cable is easier to drag, aramid fibers are filled in the aramid layer 35, the aramid layer 35 and the plastic-coated aluminum layer 36 have the same thickness, the inner surface of the aramid layer 35 is fixedly connected with the polyethylene outer layer 34, the polyethylene outer layer 34 is arranged, the polyethylene is filled in the polyethylene outer layer 34, the polyethylene is thermoplastic resin prepared by polymerizing ethylene, and the polyethylene also comprises a copolymer of ethylene and a small amount of alpha-olefin in industry, is odorless, nontoxic, has handfeel like wax, has good low-temperature resistance and good chemical stability, can resist the corrosion of most of acid and alkali, and is insoluble in common solvents at normal temperature, the water absorption is small, the electric insulation is excellent, the safety inspection of workers is ensured, the polyethylene is filled in the polyethylene outer layer 34, the polyethylene outer layer 34 and the plastic-coated steel layer 32 are the same in thickness, the plastic-coated steel layer 32 is arranged, the cable is more corrosion-resistant, the cable is not easy to damage, and therefore the cable can be used for a longer time, the aluminum-plastic composite layer 33 is fixedly connected to the inner surface of the polyethylene outer layer 34, the aluminum-plastic composite layer 33 is arranged, the aluminum-plastic composite material has the characteristics of static electricity resistance, ultraviolet resistance, moisture resistance, oxygen insulation, shading, cold resistance, oil resistance, high temperature resistance, strong oxygen insulation and easy sealing performance, the intermolecular gap is small, the cable has strong water-blocking and moisture-proof effects, the normal work of the cable is ensured, the aluminum alloy and the aluminum-plastic composite layer 33 are filled in the aluminum-plastic composite layer 33, the thickness of the aluminum-plastic composite layer 33 is twice of, the inner surface of the plastic-coated steel layer 32 is fixedly connected with the polyethylene inner layer 31, the polyethylene inner layer 31 is provided with the cable core filler 2 and the metal wire 1, the metal wire 1 is positioned in the cable core filler 2, and the cable core filler 2 comprises low-smoke halogen-free polyethylene and some filler materials through the arrangement of the cable core filler 2, so that the plastic-coated steel layer has the effects of high temperature resistance and flame retardance and has the damping effect.

In conclusion, the ceramic silica gel cable has the advantages that the polyethylene outer layer 34, the plastic-coated steel layer 32, the aramid fiber layer 35, the plastic-coated aluminum layer 36 and the ceramic silica gel layer 38 are matched with each other, the plastic-coated steel layer 32 is arranged, so that the cable is more corrosion-resistant, the cable is not easy to damage, the cable can be used for a longer time, a hard ceramic protective layer can be formed at high temperature, the effects of isolating a fire source and preventing fire are achieved, and the fire resistance of the ceramic silica gel cable is improved.

Meanwhile, the ceramic silica gel cable is provided with the corrosion-resistant layer 37, so that the corrosion-resistant layer 37 can prevent corrosion of corrosive liquid or gas, and the damage of the cable is avoided.

Meanwhile, the ceramic silica gel cable is provided with the cable core filler 2, the cable core filler 2 comprises low-smoke halogen-free polyethylene and some filling materials, the ceramic silica gel cable has the functions of high temperature resistance and flame retardance and has the function of shock absorption, and the ceramic silica gel cable is compact in structure, reasonable in design and high in practicability.

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

1. The utility model provides a pottery silica gel cable, includes cable outer wall (3), its characterized in that: the outer wall (3) of the cable is divided into eight layers, the outermost layer is a ceramic silica gel layer (38), the inner surface of the ceramic silica gel layer (38) is fixedly connected with a corrosion-resistant layer (37), the inner surface of the corrosion-resistant layer (37) is fixedly connected with a plastic-coated aluminum layer (36), the inner surface of the plastic-coated aluminum layer (36) is fixedly connected with an aramid fiber layer (35), the inner surface of the aramid fiber layer (35) is fixedly connected with a polyethylene outer layer (34), the inner surface of the polyethylene outer layer (34) is fixedly connected with an aluminum-plastic composite layer (33), the inner surface of the aluminum-plastic composite layer (33) is fixedly connected with a plastic-coated steel layer (32), the inner surface of the plastic-coated steel layer (32) is fixedly connected with a polyethylene inner layer (31), the polyethylene inner layer (31) is provided with a cable core filler (2) and a metal wire (1), and the metal wire (1) is located in the cable core filler (2).

2. A ceramicized silicone cable according to claim 1, wherein: the polyethylene is filled in the polyethylene outer layer (34), and the polyethylene outer layer (34) and the plastic-coated steel layer (32) are the same in thickness.

3. A ceramicized silicone cable according to claim 1, wherein: the aluminum alloy and the aluminum-plated material are filled in the aluminum-plastic composite layer (33), and the thickness of the aluminum-plastic composite layer (33) is twice that of the polyethylene inner layer (31).

4. A ceramicized silicone cable according to claim 1, wherein: the aramid fiber composite material is characterized in that aramid fibers are filled in the aramid fiber layer (35), and the aramid fiber layer (35) and the plastic-coated aluminum layer (36) are the same in thickness.

5. A ceramicized silicone cable according to claim 1, wherein: the ceramic silica gel layer (38) is filled with ceramic silica gel, and the thickness of the ceramic silica gel layer (38) is the same as that of the corrosion-resistant layer (37).

6. A ceramicized silicone cable according to claim 1, wherein: the thickness of the corrosion-resistant layer (37) is the same as that of the polyethylene inner layer (31), and the thickness of the polyethylene inner layer (31) is 0.01 mm.