CN215417574U - Aluminum alloy cable with high conductivity and good bending property - Google Patents

Abstract

The utility model discloses an aluminum alloy cable with high conductivity and good bending property, which comprises a protective layer, wherein an outer fireproof layer is fixedly connected to an inner ring of the protective layer, an elastic layer is fixedly connected to an inner ring of the outer fireproof layer, an oxygen insulation layer is fixedly connected to an inner ring of the elastic layer, a plurality of internal mechanisms are arranged in the oxygen insulation layer and are arranged in an array mode, and a second filling layer is filled between the internal mechanisms and the oxygen insulation layer. The aluminum alloy cable meets the requirement of electrical performance, and meanwhile, the bending performance of the aluminum alloy cable is increased, so that the situation that an inner conductor is broken due to long-time bending is avoided, the flame retardance of the aluminum alloy cable is increased, the service life of the aluminum alloy cable is prolonged, the use safety of the aluminum alloy cable is improved, and the practicability of the aluminum alloy cable is improved.

Description

Aluminum alloy cable with high conductivity and good bending property

Technical Field

The utility model relates to the technical field of cables, in particular to an aluminum alloy cable with high conductivity and good bending property.

Background

The electric wire cable is a wire product for transmitting electric energy, electric signals and realizing electromagnetic energy conversion, the cable usually consists of a cable core for transmitting electric energy or electric signals and a sheath for protecting and insulating, and the cable which only comprises one cable core and has a thinner diameter is usually called as an electric wire. Some electric wires are not provided with an insulating sheath and are called bare wires, and a cable core in the electric cable is made of a metal material with good electric conductivity.

However, the conventional cable has the problems that the bending performance is poor, the inner conductor is broken possibly due to long-time bending, safety accidents are caused, and the like.

Based on the above, we propose an aluminum alloy cable with high conductivity and good bending property to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides the aluminum alloy cable with high conductivity and good bending property, which meets the electrical performance requirement, simultaneously prevents the inner conductor from being fractured due to long-time bending by increasing the bending property of the aluminum alloy cable, increases the flame retardance of the aluminum alloy cable, prolongs the service life of the aluminum alloy cable, increases the use safety of the aluminum alloy cable, and simultaneously improves the practicability of the aluminum alloy cable.

(II) technical scheme

The utility model provides an aluminum alloy cable with high conductivity and good bending property, which comprises a protective layer, wherein an outer fireproof layer is fixedly connected to an inner ring of the protective layer, an elastic layer is fixedly connected to an inner ring of the outer fireproof layer, an oxygen insulation layer is fixedly connected to an inner ring of the elastic layer, a plurality of internal mechanisms are arranged in the oxygen insulation layer and are arranged in an array mode, and a second filling layer is filled between the internal mechanisms and the oxygen insulation layer.

Preferably, the inner mechanism comprises an outermost metal shielding layer, an inner fireproof layer is fixed to an inner ring of the metal shielding layer, a plurality of wire cores are arranged in the inner fireproof layer, an insulating layer is fixedly sleeved on an outer ring of each wire core, and a first filling layer is filled between each insulating layer and the inner fireproof layer.

Preferably, the outer fire-proof layer and the inner fire-proof layer are both made of halogen-free low-smoke flame-retardant polyolefin materials.

Preferably, the elastic layer is made of CR321 type chloroprene rubber material.

Preferably, the wire core is made of an aluminum alloy material.

Preferably, the metal shielding layer is formed by copper wire wrapping.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up such as outer flame retardant coating, elastic layer, metallic shield layer, interior flame retardant coating for the bending property reinforcing of aluminum alloy cable makes it can not lead to the cracked condition of inner conductor to take place because of long-time bending, increases its fire resistance simultaneously, has not only prolonged its life-span, has also increased its safety in utilization, has improved the practicality of cable simultaneously.

Drawings

FIG. 1 is a front cross-sectional view of an aluminum alloy cable with high conductivity and good bending property, which is provided by the utility model;

fig. 2 is an enlarged schematic view of the internal mechanism of fig. 1.

In the figure: the composite material comprises a protective layer 1, an outer fireproof layer 2, an elastic layer 3, an oxygen insulation layer 4, an inner mechanism 5, a metal shielding layer 51, an inner fireproof layer 52, an insulating layer 53, a wire core 54, a first filling layer 55 and a second filling layer 6.

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.

As shown in fig. 1-2, the aluminum alloy cable with high conductivity and good bending property provided by the utility model comprises a protective layer 1, wherein an outer fireproof layer 2 is fixedly connected to an inner ring of the protective layer 1, an elastic layer 3 is fixedly connected to an inner ring of the outer fireproof layer 2, an oxygen insulation layer 4 is fixedly connected to an inner ring of the elastic layer 3, a plurality of internal mechanisms 5 are arranged in the oxygen insulation layer 4, the internal mechanisms 5 are arranged in an array, and a second filling layer 6 is filled between the internal mechanisms 5 and the oxygen insulation layer 4.

In an optional embodiment, the internal mechanism 5 includes an outermost metal shielding layer 51, an inner fireproof layer 52 is fixed to an inner ring of the metal shielding layer 51, a plurality of wire cores 54 are arranged in the inner fireproof layer 52, an insulating layer 53 is fixedly sleeved on outer rings of the plurality of wire cores 54, and a first filling layer 55 is filled between the insulating layer 53 and the inner fireproof layer 52, so as to protect the wire cores 54, so that the wire cores 54 are not easily broken, and have secondary flame retardant and external electromagnetic signal shielding performances.

In an alternative embodiment, the outer fire-resistant layer 2 and the inner fire-resistant layer 52 are made of halogen-free low-smoke flame-retardant polyolefin material, so that the wire core 54 has double fire-resistant performance.

In an alternative embodiment, the elastic layer 3 is made of a CR321 type neoprene material, which increases the bending performance of the aluminum alloy cable.

In an alternative embodiment, the core 54 is made of an aluminum alloy material in order to provide high conductivity and stable performance to the cable.

In an alternative embodiment, the metal shielding layer 51 is formed by wrapping copper wires, so as to prevent the wire core 54 from being interfered by the outside during normal use.

The working principle is as follows: the core 54 has a first heavy fire resistance through the outer fireproof layer 2, so that the cable can isolate flame in a first stage when a fire disaster happens, when the flame cannot be blocked, the oxygen-insulating layer 4 can effectively isolate air, so that the flame cannot burn into the oxygen-insulating layer 4 in a short period of time, and the power supply continuity of a circuit is ensured when the fire disaster happens, when the flame spreads into the oxygen-insulating layer 4, the inner fireproof layer 52 can isolate the flame for a second time, so that the core 54 can supply power continuously, and simultaneously, the harm of smoke and poison gas generated by flame burning to a human body is avoided, in addition, the bending performance of the core 54 is increased through the arrangement of the elastic layer 3, the arrangement of the metal shielding layer 51 can effectively avoid the core 54 from being interfered by the outside when the core 54 is normally used, the utility model meets the requirement of electrical performance, and simultaneously, the bending performance of the aluminum alloy cable is increased through the arrangement of the elastic layer 3, the cable has the advantages that the condition that the inner conductor is broken due to long-time bending is avoided, the flame retardance is improved, the service life is prolonged, the use safety is improved, and the practicability of the cable is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides an aluminum alloy cable that high electrically conductive bending property is good, includes inoxidizing coating (1), its characterized in that, outer flame retardant coating (2) of inner circle fixedly connected with of inoxidizing coating (1), outer flame retardant coating (2) inner circle fixedly connected with elastic layer (3), the inner circle fixedly connected with of elastic layer (3) is oxygen layer (4) absolutely, be provided with a plurality of internal mechanism (5) in oxygen layer (4), and a plurality of internal mechanism (5) array is ordered, it has second filling layer (6) to fill between internal mechanism (5) and the oxygen layer (4) absolutely.

2. The aluminum alloy cable with high conductivity and good bending property as claimed in claim 1, wherein the internal mechanism (5) comprises an outermost metal shielding layer (51), an inner fireproof layer (52) is fixed to an inner ring of the metal shielding layer (51), a plurality of wire cores (54) are arranged in the inner fireproof layer (52), an insulating layer (53) is sleeved and fixed to an outer ring of each wire core (54), and a first filling layer (55) is filled between the insulating layer (53) and the inner fireproof layer (52).

3. The aluminum alloy cable with high conductivity and good bending property as claimed in claim 2, wherein the outer fire-proof layer (2) and the inner fire-proof layer (52) are both made of halogen-free low-smoke flame-retardant polyolefin material.

4. The aluminum alloy cable with high conductivity and good bending property as claimed in claim 1, wherein the elastic layer (3) is made of CR321 type chloroprene rubber material.

5. The aluminum alloy cable with high conductivity and good bending property as claimed in claim 2, wherein the wire core (54) is made of an aluminum alloy material.

6. The aluminum alloy cable with high conductivity and good bending property as claimed in claim 2, wherein the metal shielding layer (51) is formed by copper wire wrapping.

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