CN217468030U

CN217468030U - Energy-saving environment-friendly multipurpose aluminum alloy cable

Info

Publication number: CN217468030U
Application number: CN202221291371.6U
Authority: CN
Inventors: 李兵; 朱峰林; 何军军; 叶娟
Original assignee: Anhui Lingyu Cable Technology Co Ltd
Current assignee: Anhui Lingyu Cable Technology Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-20
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses an energy-concerving and environment-protective multipurpose aluminum alloy cable, it includes by heat conduction silica gel layer, sandwich wire layer, shielding layer, the fire-retardant filling layer of high temperature resistant and the oversheath layer that sets gradually outside interior, heat conduction silica gel layer includes: the cylinder is arranged at the center position inside the section of the outer sheath layer, the shielding layer is formed by combining heat conduction shielding copper wires which are arranged at equal intervals along the outer profiles of the heat conduction silica gel layer and the wire core layer, and the extending direction of each heat conduction shielding copper wire is consistent with the spiral direction of the wire core layer; and the center of the section of the core layer is provided with a power wire core. The utility model discloses a heat conduction shielding copper wire is unanimous with the direction of spiral of sandwich layer for heat conduction shielding copper wire can be better with heat conduction silica gel layer and sinle silk layer laminating, play better shielding and high temperature resistant effect, it is the same with aluminum alloy conductor transposition direction through monitoring sinle silk moreover, make the control sinle silk can follow the test, convenient to use to the power sinle silk from different angles better.

Description

Energy-saving environment-friendly multipurpose aluminum alloy cable

Technical Field

The utility model relates to the technical field of cables, specifically be an energy-concerving and environment-protective multipurpose aluminum alloy cable.

Background

The cable is generally made of one or more conductors insulated from each other and a conductive wire covering an insulating protective layer to transmit power or information from one place to another, and the existing cables may be classified into various types including flame-retardant cables, etc. according to their properties.

With the development of frequency-based transmission technology, the requirements on frequency-variable transmission systems are higher and higher, especially on the modern frequency conversion technology of IGBT semiconductors adopting fast switching, and although the pulse frequency is high or is more disconnected for only milliseconds, the IGBT semiconductors generate electromagnetic fields for the surrounding environment. In order to keep the frequency converter working normally without electromagnetic interference, the cable connecting the frequency converter and the three-phase alternating current motor has the advantages of anti-interference performance, lower effective capacitance and lower transmission impedance, and can carry out tracking test on the performance of the cable.

SUMMERY OF THE UTILITY MODEL

Defect or not enough to the cable existence, the utility model aims at providing an energy-concerving and environment-protective multipurpose aluminum alloy cable, the direction of spiral through heat conduction shielding copper wire and sandwich layer is unanimous on the one hand for heat conduction shielding copper wire can be better with heat conduction silica gel layer and the laminating of core layer, play better shielding and high temperature resistant effect, on the other hand is the same with aluminum alloy conductor transposition direction through monitoring sinle silk, make the control sinle silk can be to better carrying out the trail test to power core from different angles, high durability and convenient use.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a pair of energy-concerving and environment-protective multipurpose aluminum alloy cable, include by heat conduction silica gel layer, sandwich wire layer, shielding layer, the fire-retardant filling layer of high temperature resistant and the oversheath layer that sets gradually outside interior, wherein, the fire-retardant filling layer of high temperature resistant carries out the cladding to the shielding layer through crowded package, and the oversheath layer is through the outside of crowded package cladding and the fire-retardant filling layer of high temperature resistant, heat conduction silica gel layer includes:

the cylinders are arranged at the center position inside the section of the outer sheath layer, are prepared from heat-conducting silica gel and are provided with spiral wire placing grooves for placing the wire core layers at equal intervals along the circumferential direction;

the shielding layer is formed by combining heat conduction shielding copper wires which are arranged at equal intervals along the heat conduction silica gel layer and the outer side outline of the wire core layer, and the extending direction of each heat conduction shielding copper wire is consistent with the spiral direction of the wire core layer;

the power core is arranged at the center of the cross section of the core layer, and monitoring cores are arranged inside the core layer in the circumferential direction of the power core at equal intervals.

Preferably, the outer sheath layer is provided with a bulge at a position corresponding to the wire core layer for preventing slipping in the pulling process.

Preferably, the outer sheath layer is formed by combining a glass fiber tape wrapping layer and a flame-retardant silicone rubber layer, the glass fiber tape wrapping layer is wound on the outer side of the high-temperature-resistant flame-retardant filling layer through a glass fiber tape, and the flame-retardant silicone rubber layer wraps the glass fiber tape wrapping layer through extrusion.

Preferably, the monitoring wire core and the power wire core are coated on the outermost side of the wire core layer through flame-retardant silicone rubber, the power wire core is formed by mutual twisting of aluminum alloy conductors, and the extending direction of the monitoring wire core is the same as the twisting direction of the aluminum alloy conductors.

Preferably, the high-temperature-resistant flame-retardant filling layer is formed by extruding and wrapping polyolefin materials.

Compared with the prior art, the above one or more technical schemes have the following beneficial effects:

1. the utility model discloses because the shielding layer is formed through the heat conduction shielding copper wire combination of interval arrangement, on the one hand through in the effectual suppression of heat conduction shielding copper wire, external electromagnetic interference, reduce transmission system's electromagnetic radiation, and reduce the axle current of motor and the bearing wearing and tearing that arouse from this, on the other hand heat conduction shielding copper wire self has the heat conductivity, consequently, conveniently absorb the heat that the sandwich layer released, play high temperature resistant effect, simultaneously at this in-process, because the extending direction of heat conduction shielding copper wire all is unanimous with the helical direction of sandwich layer and the heat conduction shielding copper wire along outside profile distribution through the interval arrangement, consequently make heat conduction shielding copper wire can be better with heat conduction silica gel layer and the laminating of sandwich layer, play better shielding and high temperature resistant effect.

2. The utility model discloses because the control sinle silk is along the equidistant distribution of power sinle silk circumferencial direction, consequently conveniently follows the performance that test cable was trailed to the power sinle silk from different position, convenient to use, simultaneously because the extending direction of control sinle silk is the same with aluminum alloy conductor direction of twist, consequently discovers in the in-service use process, can follow trail test, convenient to use to better to the power sinle silk from different angles through the control sinle silk.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

FIG. 1 is a schematic perspective view of the overall left view;

FIG. 2 is a schematic diagram of an overall right-side perspective structure;

FIG. 3 is a schematic view of the overall cross-sectional structure;

in the figure:

100. an outer jacket layer; 101. a boss portion;

200. a high temperature resistant flame retardant filler layer;

300. a shielding layer; 301. a heat conducting shielding copper wire;

400. a core layer; 401. monitoring the wire core; 402. a power wire core;

500. a heat conductive silica gel layer; 501. a spiral wire laying groove;

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Examples

As shown in fig. 1-3, the energy-saving, environment-friendly and multipurpose aluminum alloy cable comprises a heat-conducting silica gel layer 500, a wire core layer 400, a shielding layer 300, a high-temperature-resistant and flame-retardant filling layer 200 and an outer sheath layer 100 which are sequentially arranged from inside to outside, wherein the high-temperature-resistant and flame-retardant filling layer 200 coats the shielding layer 300 through extrusion coating, the outer sheath layer 100 coats the outer side of the high-temperature-resistant and flame-retardant filling layer 200 through extrusion coating, and the heat-conducting silica gel layer 500 comprises:

in this embodiment, please refer to fig. 1 and fig. 2 again, the cylinder is disposed at a central position inside the cross section of the outer sheath layer 100, and is made of heat-conducting silica gel, and is provided with spiral pay-off slots 501 for placing the core layer 400 at equal intervals along the circumferential direction thereof, because the cylinder is made of heat-conducting silica gel and the core layer 400 is placed inside the pay-off slots 501, the core layer 400 and the heat-conducting silica gel are attached to each other, so that the heat released by the core layer 400 can be absorbed by the heat-conducting silica gel, thereby reducing the temperature of the core layer 400 itself;

in this embodiment, please refer to fig. 1 and fig. 2 again, the shielding layer 300 is formed by combining the heat conducting and shielding copper wires 301 arranged at equal intervals along the outer contour of the heat conducting silicone adhesive layer 500 and the core layer 400, and the extending direction of each heat conducting and shielding copper wire 301 is the same as the spiral direction of the core layer 400, because the shielding layer 300 is formed by combining the heat conducting and shielding copper wires 301 arranged at intervals, on one hand, the electromagnetic interference between the inside and the outside is effectively inhibited by the heat conducting and shielding copper wires 301, the electromagnetic radiation of the transmission system is reduced, and the shaft current of the motor and the bearing abrasion caused thereby are reduced, on the other hand, the heat conducting and shielding copper wires 301 have thermal conductivity, so that the heat released by the core layer 400 is absorbed conveniently, and the high temperature resistant effect is achieved, and in this process, because the extending directions of the heat conducting and shielding copper wires 301 are the same as the spiral direction of the core layer 400 and are distributed along the outer contour by the heat conducting and shielding copper wires 301 arranged at equal intervals, therefore, the heat-conducting shielding copper wire 301 can be better attached to the heat-conducting silica gel layer 500 and the wire core layer 400, and better shielding and high-temperature resistant effects are achieved;

in this embodiment, the central point of sinle silk layer 400 cross-section puts and is provided with power sinle silk 402, and the inside equidistant monitoring sinle silk 401 that is provided with of sinle silk layer 400 of power sinle silk 402 circumferencial direction, because the equidistant distribution of monitoring sinle silk 401 along power sinle silk 402 circumferencial direction, consequently conveniently follows the performance of tracking test cable, convenient to use to power sinle silk 402 from different position.

In this embodiment, oversheath layer 100 corresponds position department with sinle silk layer 400 and is provided with the bellying 101 that prevents dragging the in-process slippage, is pulling the condition to the cable at the staff, makes through bellying 101 playing certain anti-skidding effect in the pulling in-process to the cable, can play certain effect that prevents the cable fish tail palm simultaneously.

In this embodiment, the outer sheath layer 100 is formed by combining a glass fiber tape wrapping layer and a flame-retardant silicone rubber layer, and the glass fiber tape wrapping layer is wound on the outer side of the high-temperature-resistant flame-retardant filling layer 200 through a glass fiber tape and wraps the flame-retardant silicone rubber layer with the glass fiber tape wrapping layer through extrusion.

In this embodiment, the sinle silk layer 400 is outside carries out the cladding to control sinle silk 401 and power sinle silk 402 through fire-retardant silicon rubber, and power sinle silk 402 is twisted each other through the aluminum alloy conductor and is formed, and the extending direction of control sinle silk 401 is the same with aluminum alloy conductor transposition direction, because the extending direction of control sinle silk 401 is the same with aluminum alloy conductor transposition direction, consequently discovery in the in-service use process, can be to better carrying out the trail test to power sinle silk 402 from different angles through control sinle silk 401, convenient to use.

In this embodiment, the high temperature resistant and flame retardant filling layer 200 is extruded from polyolefin material.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an energy-concerving and environment-protective multipurpose aluminum alloy cable, includes by heat conduction silica gel layer (500), sinle silk layer (400), shielding layer (300), fire-retardant filling layer of high temperature resistant (200) and oversheath layer (100) that set gradually outside inside and outside, wherein, the fire-retardant filling layer of high temperature resistant (200) carries out the cladding through crowded package to shielding layer (300), and oversheath layer (100) through crowded package cladding in the outside of fire-retardant filling layer of high temperature resistant (200), its characterized in that: the heat conductive silicone rubber layer (500) includes:

the cylinder is arranged at the center of the inner part of the section of the outer sheath layer (100), is prepared from heat-conducting silica gel, and is provided with spiral wire placing grooves (501) for placing the wire core layer (400) at equal intervals along the circumferential direction;

the shielding layer (300) is formed by combining heat conduction shielding copper wires (301) which are arranged at equal intervals along the outer profiles of the heat conduction silica gel layer (500) and the wire core layer (400), and the extending direction of each heat conduction shielding copper wire (301) is consistent with the spiral direction of the wire core layer (400);

the power cable core (402) is arranged at the center of the cross section of the cable core layer (400), and the monitoring cable cores (401) are arranged inside the cable core layer (400) in the circumferential direction of the power cable core (402) at equal intervals.

2. The energy-saving environment-friendly multipurpose aluminum alloy cable according to claim 1, characterized in that: and a bulge (101) for preventing the outer sheath layer (100) from slipping in the pulling process is arranged at the position corresponding to the wire core layer (400).

3. The energy-saving environment-friendly multipurpose aluminum alloy cable according to claim 1, characterized in that: the outer sheath layer (100) is formed by combining a glass fiber tape wrapping layer and a flame-retardant silicone rubber layer, the glass fiber tape wrapping layer is wound on the outer side of the high-temperature-resistant flame-retardant filling layer (200) through a glass fiber tape, and the flame-retardant silicone rubber layer wraps the glass fiber tape wrapping layer through extrusion.

4. The energy-saving environment-friendly multipurpose aluminum alloy cable according to claim 1, characterized in that: the outermost side of the wire core layer (400) is coated with the monitoring wire core (401) and the power wire core (402) through flame-retardant silicone rubber, the power wire core (402) is formed by mutual twisting of aluminum alloy conductors, and the extending direction of the monitoring wire core (401) is the same as the twisting direction of the aluminum alloy conductors.

5. The energy-saving environment-friendly multipurpose aluminum alloy cable according to claim 1, characterized in that: the high-temperature-resistant flame-retardant filling layer (200) is formed by extruding and wrapping polyolefin materials.