CN217157740U

CN217157740U - High-temperature-resistant cable

Info

Publication number: CN217157740U
Application number: CN202122513312.0U
Authority: CN
Inventors: 黄刚
Original assignee: Dongguan Liuquan Wire Co ltd
Current assignee: Dongguan Liuquan Wire Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-08-09
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to a cable, concretely relates to high temperature resistant cable. The cable comprises a protective sleeve and a signal transmission line extruded in the protective sleeve, wherein the signal transmission line comprises a shielding layer, two groups of core wires and two groups of ground wires, and the two groups of core wires are transversely arranged between the two groups of ground wires; the shielding layer is extruded and wrapped with two groups of core wires and two groups of ground wires; the internal surface of shielding layer covers there is the hot melt adhesive layer, and the surface of shielding layer is equipped with heat conduction silica gel layer. The heat conduction silica gel layer covers the shielding layer outer surface of microcosmic unevenness to make signal transmission line fully contact and improve heat conduction efficiency, be particularly suitable for the limited heat conduction demand in space, the protective sheath by interior to exterior in proper order include metallic braid and outer quilt, metallic braid's surface and the internal surface fixed connection of outer quilt improve the tensile property of cable, the life of extension cable. This application has, advantages such as high temperature resistant, radiating efficiency height.

Description

High-temperature-resistant cable

Technical Field

The utility model relates to a cable, concretely relates to high temperature resistant cable.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. The high-temperature resistant cable is an important development direction of modern safe electric energy transmission technology, and the high-temperature resistant performance of certain industries on the electric wire and cable is higher and higher.

However, the existing cable generally comprises a wire core and an insulating layer coated outside the wire core, the heat dissipation effect of the cable is poor, if the cable works in a high-temperature place for a long time, the transmission function of the cable can be influenced, the insulating layer is easy to age and peel off, the cable is broken, and the aging rate of an enameled wire is accelerated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high temperature resistant cable aims at solving the not good, the poor problem of high temperature resistance performance of cable radiating effect among the above-mentioned prior art.

In order to achieve the above object, the present invention provides a high temperature resistant cable, which includes a protective sheath and a signal transmission line extruded in the protective sheath, wherein the signal transmission line includes a shielding layer, two groups of core wires and two groups of ground wires, and the two groups of core wires are transversely arranged between the two groups of ground wires; the shielding layer is extruded on the two groups of core wires and the two groups of ground wires; the internal surface of shielding layer covers there is the hot melt adhesive layer, the surface of shielding layer is equipped with heat conduction silica gel layer.

More specifically, the protective sheath comprises a metal braid and an outer quilt in sequence from inside to outside, and the outer surface of the metal braid is fixedly connected with the inner surface of the outer quilt.

More specifically, be equipped with the conductor in the heart yearn, the conductor adopts the copper product.

More specifically, the shielding layer is made of an aluminum foil material.

More specifically, be equipped with rubber granule heat dissipation layer between the signal transmission line with the protective sheath.

The utility model relates to a high temperature resistant cable's technological effect does:

1. this application has the one deck hot melt adhesive at aluminium foil and cable contact's that side coating, and under the condition that high temperature preheats, the hot melt adhesive can be in the same place with the insulating cladding of cable core tightly, helps the shielding performance of cable, and ordinary aluminium foil does not have viscidity, and simple package is on the cable core is insulating, and the shielding performance of cable is relatively poor.

2. In the rubber particle heat dissipation layer, tiny gaps exist between particles, when the rubber particle heat dissipation layer is in a high-temperature environment, the temperature inside the cable can be discharged through the gaps, and the rubber particle heat dissipation layer has a good heat dissipation effect.

3. The surface of shielding layer is equipped with the effectual heat conduction silica gel layer of heat conduction, and this heat conduction silica gel layer covers the shielding layer outer surface of microcosmic unevenness for the area of contact on transmission line and rubber granule heat dissipation layer is even, thereby makes signal transmission line fully contact and improves heat conduction efficiency, is particularly suitable for the limited heat-conduction demand in space.

Drawings

Fig. 1 is a schematic structural view of a high temperature resistant cable according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a preferred embodiment of the present invention is realized as follows, and a high temperature resistant cable includes a protective sheath 1 and a signal transmission line 2 wrapped in the protective sheath 1, wherein:

the signal transmission line 2 comprises a shielding layer 21, two groups of core wires 22 and two groups of ground wires 24, wherein the two groups of core wires 22 are transversely arranged between the two groups of ground wires 24; the shielding layer 21 is extruded with two groups of core wires 22 and two groups of ground wires 24; the internal surface of shielding layer 21 covers there is the hot melt adhesive layer, and the surface of shielding layer 21 is equipped with the heat conduction silica gel layer, the high compliance that this heat conduction silica gel layer has.

More specifically, protective sheath 1 includes metallic braid and outer quilt from inside to outside in proper order, and the surface of metallic braid and the internal surface fixed connection of outer quilt. Therefore, the tensile property of the cable can be improved, and the cable can be better prevented from being pulled and broken.

More specifically, a conductor 23 is arranged in the core wire, and the conductor 23 is made of copper.

More specifically, the shielding layer 21 is made of aluminum foil.

Further, a rubber particle heat dissipation layer 3 is arranged between the signal transmission line 2 and the protective sleeve 1.

This application has the one deck hot melt adhesive at aluminium foil and cable contact's that side coating, and under the condition that high temperature preheats, the hot melt adhesive can be in the same place with the insulating cladding of cable core tightly, helps the shielding performance of cable, and ordinary aluminium foil does not have viscidity, and simple package is on the cable core is insulating, and the shielding performance of cable is relatively poor.

In addition, in the rubber particle heat dissipation layer 3, fine gaps exist among particles, and when the rubber particle heat dissipation layer is in a high-temperature environment, the internal temperature of the cable can be discharged through the gaps, so that the rubber particle heat dissipation layer has a good heat dissipation effect.

Furthermore, the surface of shielding layer 21 is equipped with the good heat conduction silica gel layer of heat conduction effect, and this heat conduction silica gel layer covers the shielding layer 21 surface of microcosmic unevenness for the area of contact of transmission line and rubber particle heat dissipation layer 3 is even, thereby makes 2 full contacts of signal transmission line and improves heat conduction efficiency, is particularly suitable for the limited heat-conduction demand in space.

In conclusion, the cable has high temperature resistance and good heat dissipation performance, and can be used in a high-temperature use environment.

The above is merely a preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shapes, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-temperature-resistant cable comprises a protective sleeve and a signal transmission line extruded in the protective sleeve, and is characterized in that the signal transmission line comprises a shielding layer, two groups of core wires and two groups of ground wires, wherein the two groups of core wires are transversely arranged between the two groups of ground wires; the shielding layer is extruded on the two groups of core wires and the two groups of ground wires; the internal surface of shielding layer covers there is the hot melt adhesive layer, the surface of shielding layer is equipped with heat conduction silica gel layer.

2. A high temperature resistant cable according to claim 1, wherein: the protective sleeve sequentially comprises a metal woven layer and an outer quilt from inside to outside, and the outer surface of the metal woven layer is fixedly connected with the inner surface of the outer quilt.

3. A high temperature resistant cable according to claim 1, wherein: the core wire is internally provided with a conductor wrapped with a conductor, and the conductor is made of copper.

4. A high temperature resistant cable according to claim 1, wherein: the shielding layer is made of an aluminum foil material.

5. A high temperature resistant cable according to claim 1, wherein: and a rubber particle heat dissipation layer is arranged between the signal transmission line and the protective sleeve.