CN207165276U

CN207165276U - A kind of heatproof composite cable

Info

Publication number: CN207165276U
Application number: CN201721269741.5U
Authority: CN
Inventors: 徐特
Original assignee: Jiangxi Ruishun Superfine Copper Wire Science And Technology Co Innovation Co Ltd
Current assignee: Jiangxi Ruishun Superfine Copper Wire Science And Technology Co Innovation Co Ltd
Priority date: 2017-09-29
Filing date: 2017-09-29
Publication date: 2018-03-30
Anticipated expiration: 2027-09-29

Abstract

The utility model discloses a kind of heatproof composite cable, including guard shield and conductor, the inner surface of the guard shield is provided with polyimide layer, and the inner surface of polyimide layer is fitted with aluminosilicate fiber layer, the inner surface pressing of the aluminosilicate fiber layer has insulating barrier, and conductor, the outer surface parcel screen layer of the conductor are provided with the inner chamber of the insulating barrier, and the outer surface of screen layer is equipped with nanometer micropore heat insulation felt, the outer surface parcel flame retardant coating of the nanometer micropore heat insulation felt.The utility model light weight, resistance to elevated temperatures is notable, good insulation preformance, and security performance is high, extends the service life of cable, applied widely, non-aging.

Description

A kind of heatproof composite cable

Technical field

It the utility model is related to heatproof composite cable technical field, more particularly to a kind of heatproof composite cable.

Background technology

With the communication of nearly more than 20 years, the rapid development of power industry, the manufacture of cable and demand are also rising rapidly, The development of cable technology is also being maked rapid progress, the perverse product of line for the similar rope that cable is generally formed by several groups of wire strandings, electricity The place of cable paving hair becomes increasingly complex, and environment is also varied, and cable generally spreads hair under frozen soil layer, and this cable has very long Life-span, but the cable life for being laid on earth's surface is affected by the ambient temperature huge, and the existing general volume of composite cable is big, only Small suitable for the temperature difference, the preferable place of environment, the big place of the temperature difference, cable is easy to aging impaired, short life, current cable, its Heatproof is low, and the less reliable in the case of the severe use condition difference such as oil, soda acid.

Utility model content

The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality It is to propose a kind of heatproof composite cable with a new purpose.

According to a kind of heatproof composite cable of the utility model embodiment, including guard shield and conductor, outside the protection The inner surface of shell is provided with polyimide layer, and the inner surface of polyimide layer is fitted with aluminosilicate fiber layer, the aluminosilicate fiber layer Inner surface pressing have insulating barrier, be provided with conductor in the inner chamber of the insulating barrier, screen layer is wrapped up in the outer surface of the conductor, and The outer surface of screen layer is equipped with nanometer micropore heat insulation felt, the outer surface parcel flame retardant coating of the nanometer micropore heat insulation felt.

Outstanding, the number of conductors of the inner chamber of the insulating barrier is three, and three conductors are intertwined.

Outstanding, it is provided with thermal isolation film between the aluminosilicate fiber layer and insulating barrier.

Outstanding, the outer surfaces of three conductors is enclosed with metallic insulation net, the metallic insulation net include tungsten filament and Titanium, the tungsten filament and titanium are interlaced to be woven together.

Beneficial effect in the utility model：Polyimide layer and aluminosilicate fiber layer, polyamides Asia are used in the utility model Amine layer high temperature resistant, there are good insulating properties, aluminosilicate fiber layer has good thermal stability, is lightweight refracrory, Unit weight is light, high temperature resistant, and heat-proof quality is good, and nanometer micropore heat insulation felt is the current best high temperature insulating material of heat-proof quality in the world Material, its heat-proof quality will be 3~4 times than the heat-barrier material of traditional fibre class, and the outer surface of three conductors is enclosed with metal Heat-shielding net, metallic insulation net are woven together by tungsten filament and titanium are interlaced, and heat-insulated resistance to elevated temperatures is excellent, and the high temperature resistant is compound Cable, light weight, resistance to elevated temperatures is notable, good insulation preformance, and security performance is high, extends the service life of cable, the scope of application Extensively, it is non-aging.

Brief description of the drawings

Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：

Fig. 1 be the utility model proposes a kind of heatproof composite cable structural representation.

In figure：1 guard shield, 2 polyimide layers, 3 aluminosilicate fiber layers, 4 insulating barriers, 5 flame retardant coatings, 6 nanometer micropores are heat-insulated Felt, 7 screen layers, 8 conductors.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.

The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end As element or with same or like function element.The embodiments described below with reference to the accompanying drawings are exemplary, purport For explaining the utility model, and it is not intended that to limitation of the present utility model.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.

Reference picture 1, a kind of heatproof composite cable, including guard shield 1 and conductor 8, the inner surface of the guard shield 1 are set There is polyimide layer 2, and the inner surface of polyimide layer 2 is fitted with aluminosilicate fiber layer 3, the inner surface of the aluminosilicate fiber layer 3 Pressing has insulating barrier 4, conductor 8, the outer surface parcel screen layer 7 of the conductor 8 is provided with the inner chamber of the insulating barrier 3, and shield The outer surface for covering layer 7 is equipped with nanometer micropore heat insulation felt 6, the outer surface parcel flame retardant coating 5 of the nanometer micropore heat insulation felt 6.

The quantity of conductor 8 of the inner chamber of the insulating barrier 4 is three, and three conductors 8 are intertwined.

Thermal isolation film is provided between the aluminosilicate fiber layer 3 and insulating barrier 3.

The outer surface of three conductors 8 is enclosed with metallic insulation net, and the metallic insulation net includes tungsten filament and titanium, described Tungsten filament and titanium is interlaced is woven together.

In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.

It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model Within enclosing.

Claims

A kind of 1. heatproof composite cable, it is characterised in that：

Including guard shield and conductor, the inner surface of the guard shield is provided with polyimide layer, and the interior table of polyimide layer Face is fitted with aluminosilicate fiber layer, and the inner surface pressing of the aluminosilicate fiber layer has insulating barrier, is provided with the inner chamber of the insulating barrier Conductor, the outer surface parcel screen layer of the conductor, and the outer surface of screen layer is equipped with nanometer micropore heat insulation felt, the nanometer The outer surface parcel flame retardant coating of micropore heat insulation felt.
A kind of 2. heatproof composite cable according to claim 1, it is characterised in that：The conductor number of the inner chamber of the insulating barrier Measure as three, and three conductors are intertwined.
A kind of 3. heatproof composite cable according to claim 1, it is characterised in that：The aluminosilicate fiber layer and insulating barrier it Between be provided with thermal isolation film.
A kind of 4. heatproof composite cable according to claim 1, it is characterised in that：The outer surface parcel of three conductors There is metallic insulation net, the metallic insulation net includes tungsten filament and titanium, and the tungsten filament and titanium are interlaced to be woven together.