CN212624872U - High flame-retardant fire-resistant aluminum alloy cable - Google Patents

Abstract

The utility model discloses a high fire-retardant fire-resistant aluminum alloy cable relates to cable technical field, which comprises a conductor, the outside of conductor is provided with the inner sheath, the outside of inner sheath is provided with interior oxygen-insulated layer, the outside on interior oxygen-insulated layer is provided with the insulating layer of keeping off the fire, the outside that keeps off the fire insulating layer is provided with the oversheath, the inner circle of conductor is provided with the high fire-retardant restrictive coating, one side of high fire-retardant restrictive coating is provided with fire-retardant grained layer. The utility model discloses in, use through the cooperation of inner sheath, interior oxygen layer, keep off fire insulating layer and oversheath, can ensure the good bending property of fire resistive construction when normal, use through the cooperation that sets up high fire-retardant restrictive coating, fire-retardant grained layer, ceramic silastic-layer and fire-retardant ball, can effectively keep out the invasion of outside burning things which may cause a fire disaster, it lacks the heat dissipation way or the radiating effect is not good to have effectively solved current cable more, thermal stability is general, the problem that the fire-retardant refractiveness of ubiquitous is not good.

Description

High flame-retardant fire-resistant aluminum alloy cable

Technical Field

The utility model relates to a cable technical field especially relates to high fire-retardant fire-resistant aluminum alloy cable.

Background

The cable is a general name of articles such as optical cables, cables and the like, has a plurality of purposes, is mainly used for controlling multiple functions such as installation, connecting equipment, electric power transmission and the like, is a common and indispensable object in daily life, needs to be installed carefully because the cable is electrified, adopts aluminum alloy materials of aluminum alloy cable series as conductors, adopts a special rolling molding type wire stranding production process, annealing treatment and other advanced technologies as a novel material power cable, makes up the defects of the conventional pure aluminum cable, greatly improves the bending property, the creep resistance, the corrosion resistance and the like although the electric conductivity of the cable is not improved, can ensure that the cable keeps stable continuous performance when overloaded and overheated for a long time, can greatly improve the electric conductivity and the high temperature resistance of the aluminum alloy cable, and simultaneously solves the problems of the pure aluminum conductor, the creep deformation and the like, the aluminum alloy cable is adopted to replace a copper cable, so that the weight of the cable can be reduced, the installation cost is reduced, the abrasion of equipment and the cable is reduced, and the installation work is easier.

The existing cable mostly lacks a heat dissipation way or has poor heat dissipation effect, general thermal stability and poor flame retardance and fire resistance, even if the outer layer of the existing cable is simply coated with a flame retardant coating, the existing cable is damaged due to incomplete prevention and control, so that the existing cable is not only dangerous to life, but also pollutes the environment, and can cause serious corrosion of equipment and buildings, thereby causing loss and reducing the safety of users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current cable radiating effect not good, thermal stability is general, the shortcoming that the fire-retardant incombustibility of ubiquitous is not good, and the high fire-retardant fire-resistant aluminum alloy cable of proposing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

high fire-retardant fire-resistant aluminum alloy cable, including the conductor, the outside of conductor is provided with the inner sheath, the outside of inner sheath is provided with interior oxygen-insulating layer, the outside on interior oxygen-insulating layer is provided with the fire stopping insulating layer, the outside on fire stopping insulating layer is provided with the oversheath, the inner circle of conductor is provided with the high fire-retardant restrictive coating, one side of high fire-retardant restrictive coating is provided with fire-retardant grained layer, one side of fire-retardant grained layer is provided with ceramic silastic layer, ceramic silastic layer's positive fixed surface is connected with fire-retardant ball, one side of ceramic silastic layer is provided with leads the core, the inside of leading the core is provided with the conductor post, the inside of conductor post is provided with the steel.

Preferably, a high-temperature-resistant insulating layer is arranged in the conductor and between the high-flame-retardant sheath layer and the flame-retardant particle layer, and the high-temperature-resistant insulating layer is a medium-pressure linear low-density polyethylene cross-linked material.

Preferably, an insulating and heat-insulating belt is arranged inside the conductor and between the ceramic silicon rubber layer and the conductive core, and the number of the insulating and heat-insulating belts is two.

Preferably, the outer wall of the flame-retardant particle layer is provided with a metal fireproof wrapping layer, and an insulating block is arranged inside the metal fireproof wrapping layer.

Preferably, the number of the lead posts is four, and the lead posts are formed by stranding and pressing a plurality of bare copper wires.

Preferably, the front surface of the outer sheath is provided with an outer shielding layer, and the outer sheath is made of a halogen-free low-smoke flame-retardant polyolefin material.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, use through the cooperation of inner sheath, interior oxygen layer, keep off fire insulating layer and oversheath, can ensure the good bending property of fire resistive construction when normal, use through the cooperation that sets up high fire-retardant restrictive coating, fire-retardant grained layer, ceramic silastic-layer and fire-retardant ball, can effectively keep out the invasion of outside burning things which may cause a fire disaster, it lacks the heat dissipation way or the radiating effect is not good to have effectively solved current cable more, thermal stability is general, the problem that the fire-retardant refractiveness of ubiquitous is not good.

2. The utility model has the characteristics of radiation protection and high temperature resistance by arranging the high temperature resistant insulating layer, and forms double-layer insulation with the flame and the steam crosslinked polyethylene insulating layer, thereby solving the problem of cable breakdown caused by overhigh external temperature; through setting up insulating thermal-insulated area, make the cable have high fire behaviour, can effectively keep out the invasion of outside burning things which may cause a fire, guaranteed not to be burnt when getting on fire, can not make combustion range aggravate, enlarge, further improved the security of cable.

3. In the utility model, the metal fireproof wrapping layer is arranged to protect the inner layer and absorb a large amount of heat energy, thereby greatly reducing the temperature of outer combustible materials and the surrounding environment; the wire column is arranged, so that the effect of dredging current or conducting heat is achieved, and the transmission quality of the device is improved; through setting up outer shielding layer, realized fine fire-retardant fire resistance to shielding effect is good, reduces cable surface temperature, plays thermal-insulated, isolated oxygen's effect, has fine flame retardant efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

fig. 2 is a top view of a conductor of the present invention;

fig. 3 is a schematic view of the internal structure of the middle guide core of the present invention.

Illustration of the drawings:

1. an outer sheath; 2. a fire-blocking heat-insulating layer; 3. an inner oxygen-separating layer; 4. an inner sheath; 5. a conductor; 6. a high flame retardant jacket layer; 7. a high temperature resistant insulating layer; 8. a flame retardant particulate layer; 9. a metal fireproof wrapping layer; 10. an insulating block; 11. a silicon rubber layer is ceramic; 12. a flame-retardant ball; 13. an insulating and heat-insulating tape; 14. a guide core; 15. a wire guide post; 16. a steel tape armor layer; 17. and an outer shielding layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, high fire-retardant fire-resistant aluminum alloy cable, including conductor 5, the outside of conductor 5 is provided with inner sheath 4, the outside of inner sheath 4 is provided with interior oxygen-insulating layer 3, the outside of interior oxygen-insulating layer 3 is provided with keeps off fire insulating layer 2, the outside that keeps off fire insulating layer 2 is provided with oversheath 1, the inner circle of conductor 5 is provided with high fire-retardant restrictive coating 6, one side of high fire-retardant restrictive coating 6 is provided with fire-retardant grained layer 8, one side of fire-retardant grained layer 8 is provided with ceramic silicon rubber layer 11, ceramic silicon rubber layer 11's positive fixed surface is connected with fire-retardant ball 12, one side of ceramic silicon rubber layer 11 is provided with leads core 14, the inside of leading core 14 is provided with conductor pillar 15, the inside of conductor.

Further, conductor 5's inside just is located and is provided with high temperature insulation layer 7 between high fire-retardant restrictive coating 6 and the fire-retardant grained layer 8, and high temperature insulation layer 7 is the linear low density polyethylene cross-linked material of middling pressure, through setting up high temperature insulation layer 7, has the high temperature resistant characteristics of protecting against radiation, constitutes double-deck insulation with flame and steam cross-linked polyethylene insulating layer, has solved the problem that leads to the cable to puncture because of the ambient temperature is too high.

Further, conductor 5's inside just is located and is provided with insulating thermal-insulated area 13 between pottery silicon rubber layer 11 and the core 14, and insulating thermal-insulated area 13's quantity sets up to two, takes 13 through setting up insulating thermal-insulated, makes the cable have high flame retardant property, can effectively keep out the invasion of outside burning things which may cause a fire disaster, has guaranteed not to be burnt when starting a fire, can not make combustion range aggravation, expansion, has further improved the security of cable.

Further, the outer wall of fire-retardant grained layer 8 is provided with metal fire prevention around covering 9, and metal fire prevention is provided with collets 10 around the inside of covering 9, through setting up metal fire prevention around covering 9, plays the effect of protection inlayer, has absorbed a large amount of heat energy to greatly reduced outer combustible substance and surrounding environment's temperature.

Further, the quantity of wire post 15 sets up to four, and wire post 15 is compressed tightly by the transposition of a plurality of bare copper wires and forms, through setting up wire post 15, plays to dredge electric current or be the effect of heat conduction, improves the quality of the transmission of this device.

Further, the front surface of the outer sheath 1 is provided with an outer shielding layer 17, the outer sheath 1 is made of halogen-free low-smoke flame-retardant polyolefin material, good flame-retardant and fire-resistant performance is achieved by arranging the outer shielding layer 17, the shielding effect is good, the surface temperature of the cable is reduced, the effects of heat insulation and oxygen isolation are achieved, and the good flame-retardant effect is achieved.

The working principle is as follows: the utility model discloses when using, through inner sheath 4, interior oxygen layer 3, the cooperation of keeping off fire insulating layer 2 and oversheath 1 is used, can ensure the good bending property of fire-resistant structure when just being normal, then change into the fire-resistant thermal insulation structure of shell and tube form rapidly when meeting fire or high temperature, still can maintain not damaged in the short time in the flame environment, effectively block flame or high temperature to the insulating damage of inner layer, further protect inside conductor 5, use through the cooperation that sets up high fire-retardant restrictive coating 6, fire-retardant grained layer 8, lead core 14, steel band armor 16, ceramization silicon rubber layer 11 and fire-retardant ball 12, can effectively block the invasion of outside fire source, prevent the contact reaction with combustible substance such as oxygen, can prevent continuation of flame when meeting fire and stretch, can effectively block the invasion of outside fire source, the security of cable has been improved, to sum of a conclusion, further promote the fire-retardant fire-resistant performance and the thermal stability of product, Not only ensures the safety of the life, but also avoids the environmental pollution, reduces the corrosion of equipment and buildings, reduces the loss, improves the safety of users, then meets the requirements of the users and ensures the benefits of the users.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The high flame-retardant fireproof aluminum alloy cable comprises a conductor (5) and is characterized in that an inner sheath (4) is arranged on the outer side of the conductor (5), an inner oxygen-insulating layer (3) is arranged on the outer side of the inner sheath (4), a fire-blocking heat-insulating layer (2) is arranged on the outer side of the inner oxygen-insulating layer (3), an outer sheath (1) is arranged on the outer side of the fire-blocking heat-insulating layer (2), a high-flame-retardant sheath layer (6) is arranged on the inner ring of the conductor (5), a flame-retardant particle layer (8) is arranged on one side of the high-flame-retardant sheath layer (6), a ceramic silicon rubber layer (11) is arranged on one side of the flame-retardant particle layer (8), a flame-retardant ball (12) is fixedly connected to the front surface of the ceramic silicon rubber layer (11), a guide core (14) is arranged on one side of the ceramic, and a steel tape armor layer (16) is arranged inside the wire column (15).

2. The high flame-retardant and fire-resistant aluminum alloy cable according to claim 1, wherein a high-temperature-resistant insulating layer (7) is arranged inside the conductor (5) and between the high flame-retardant sheath layer (6) and the flame-retardant particle layer (8), and the high-temperature-resistant insulating layer (7) is a medium-pressure linear low-density polyethylene cross-linked material.

3. The high flame-retardant fire-resistant aluminum alloy cable according to claim 1, wherein an insulating and heat-insulating tape (13) is disposed inside the conductor (5) between the ceramicized silicon rubber layer (11) and the core (14), and the number of the insulating and heat-insulating tapes (13) is two.

4. The high flame retardant and fire resistant aluminum alloy cable according to claim 1, wherein the outer wall of the flame retardant particle layer (8) is provided with a metal fireproof wrapping layer (9), and an insulating block (10) is arranged inside the metal fireproof wrapping layer (9).

5. The high flame retardant fire-resistant aluminum alloy cable according to claim 1, wherein the number of the conductor posts (15) is four, and the conductor posts (15) are formed by stranding and pressing a plurality of bare copper wires.

6. The high flame-retardant fire-resistant aluminum alloy cable according to claim 1, wherein an outer shielding layer (17) is arranged on the front surface of the outer sheath (1), and the outer sheath (1) is made of a halogen-free low-smoke flame-retardant polyolefin material.

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