CN210039691U

CN210039691U - Anti-aging high-temperature-resistant cable

Info

Publication number: CN210039691U
Application number: CN201920814951.0U
Authority: CN
Inventors: 陶建军
Original assignee: Hangzhou Canon Cable Co Ltd
Current assignee: Hangzhou Canon Cable Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-07
Anticipated expiration: 2029-05-31

Abstract

The utility model relates to the technical field of cables, in particular to an anti-aging high-temperature-resistant cable which comprises a conducting wire, the conducting wire comprises a conducting core, a silicon rubber insulating layer wraps the conducting core, an aluminum strip shielding layer wraps the silicon rubber insulating layer, the aluminum tape shielding layer is wrapped with a polyolefin inner protective layer, the plurality of leads are wrapped with rubber layers, the rubber layer is wrapped with an asbestos heat insulation layer which is wrapped with an anti-aging flame-retardant layer, the anti-aging flame-retardant layer is sequentially composed of an inner polyolefin layer, a basalt fiber fireproof cloth layer and an outer polyolefin layer from inside to outside, aerogel fillers are filled between the rubber layer and the plurality of leads, an anti-aging coating is sprayed on the outer surface of the rubber layer, the anti-aging flame-retardant layer is wrapped with a nylon braided fabric protective layer, and the conductive core is made of a low-oxygen copper conductor. The utility model has the advantages of ageing resistance and high temperature resistance.

Description

Anti-aging high-temperature-resistant cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a high temperature resistant cable of ageing resistance.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors, at least two in each group, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable is erected in the air or installed underground or underwater for telecommunication or power transmission, and in desert areas with severe weather, the cable is easy to age and damage due to high temperature and long-term ultraviolet irradiation, and even can generate spontaneous combustion, so that an anti-aging high-temperature-resistant cable is required to be designed to meet engineering requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the anti-aging and high-temperature resistant cable is not available in the prior art.

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

the utility model provides an ageing resistance high temperature resistant cable, includes the wire, the wire includes electrically conductive core, the outer parcel of electrically conductive core has the silicon rubber insulating layer, the outer parcel of silicon rubber insulating layer has the aluminium strip shielding layer, the outer parcel of aluminium strip shielding layer has polyolefin inner protective layer, the outer parcel of a plurality of wire has the rubber layer, the outer parcel of rubber layer has the asbestos insulating layer, the outer parcel of asbestos insulating layer has the fire-retardant layer of anti-aging, the fire-retardant layer of anti-aging has internal polyolefin layer, basalt fiber fire prevention cloth layer, outer polyolefin layer to constitute from inside to outside in proper order.

Preferably, aerogel fillers are filled between the rubber layer and the plurality of leads.

Preferably, the outer surface of the rubber layer is sprayed with an anti-aging coating.

Preferably, the nylon woven fabric protective layer wraps the anti-aging flame retardant layer.

Preferably, the conductive core is made of a low-oxygen copper conductor.

The utility model provides a pair of ageing resistance high temperature resistant cable, beneficial effect lies in:

1. the anti-aging flame-retardant layer is arranged, so that the cable can be subjected to anti-aging flame-retardant protection by virtue of the excellent flame-retardant performance and ultraviolet aging resistance of the inner polyolefin layer and the outer polyolefin layer, the flame-retardant capability of the basalt fiber fireproof cloth layer arranged between the inner polyolefin layer and the outer polyolefin layer can be effectively improved, and meanwhile, due to the adoption of the multilayer structure, when the outer polyolefin layer is damaged, the basalt fiber fireproof cloth layer and the inner polyolefin layer can still effectively protect the cable;

2. the asbestos heat insulation layer is arranged, so that the high temperature resistance of the cable can be effectively improved by utilizing the heat insulation capability of asbestos;

3. set up ni nong's knitting protection restrictive coating simultaneously, can utilize ni nong's knitting protection restrictive coating to carry out effective protection to the outer polyolefin layer on ageing-resistant fire-retardant layer, avoid outer polyolefin protective layer to expose in the external world and caused the damaged condition to take place by the long-time friction of gravel to the protective capacities of the cable that improves.

Drawings

Fig. 1 is a schematic view of an internal structure of an anti-aging high-temperature-resistant cable provided by the present invention;

fig. 2 is a schematic view of an internal structure of a lead of an anti-aging high-temperature-resistant cable according to the present invention;

fig. 3 is the utility model provides an anti-aging flame retardant layer schematic diagram of ageing resistance high temperature resistant cable.

In the figure: the cable comprises a conductor 1, a conductive core 101, a silicon rubber insulating layer 102, an aluminum tape shielding layer 103, a polyolefin inner protective layer 104, an aerogel filler 2, a rubber layer 3, an anti-aging coating 4, an asbestos thermal insulation layer 5, an anti-aging flame-retardant layer 6, an inner polyethylene layer 601, a basalt fiber fireproof cloth layer 602, an outer polyolefin layer 603 and a nylon woven fabric protective layer 7.

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.

Referring to fig. 1-3, an anti-aging high temperature resistant cable, including the wire 1, the wire 1 includes conductive core 101, conductive core 101 is made for the low oxygen copper conductor, the outer parcel of conductive core 101 has silicon rubber insulating layer 102, the outer parcel of silicon rubber insulating layer 102 has aluminium strip shielding layer 103, the outer parcel of aluminium strip shielding layer 103 has polyolefin inner protective layer 104, the outer parcel of a plurality of wires 1 has rubber layer 3, it has aerogel filler 2 to fill between rubber layer 3 and a plurality of wire 1, the aerogel has good high temperature resistance, can effectively improve the inside high temperature resistance of cable, it can bear the pressure that is equivalent to several thousand times of its quality, just can melt when the temperature reaches 1200 degrees centigrade, in addition its heat conductivity and refracting index are also very low, insulating ability is 39 times stronger than best glass fiber.

The outer surface of the rubber layer 3 is sprayed with an anti-aging coating 4, the anti-aging coating 4 is a chlorosulfonated polyethylene coating which can effectively isolate ozone and ultraviolet rays so as to effectively slow down the aging speed of the rubber layer 3, the rubber layer 3 is wrapped with an asbestos heat-insulating layer 5, asbestos with good heat-insulating capability is wrapped with an anti-aging flame-retardant layer 6, the anti-aging flame-retardant layer 6 is sequentially composed of an inner polyolefin layer 601, a basalt fiber fireproof cloth layer 602 and an outer polyolefin layer 603 from inside to outside, the anti-aging flame-retardant layer 6 is wrapped with a nylon woven fabric protective layer 7, the inner polyolefin layer 601 and the outer polyolefin layer 603 have excellent flame-retardant performance and ultraviolet ray aging resistance to carry out anti-aging flame-retardant protection on the cable, the basalt fiber fireproof cloth layer 602 arranged between the inner polyolefin layer and the outer polyolefin layer can effectively improve the flame-retardant capability, and simultaneously, due to the, when the outer polyolefin layer 603 is damaged, the basalt fiber fireproof cloth layer 602 and the inner polyolefin layer 601 can still effectively protect the cable, the nylon and non-woven fabric protective sleeve layer 7 effectively protects the outer polyolefin layer 603 of the anti-aging flame-retardant layer 6, and the situation that the outer polyolefin layer 603 is directly exposed outside to damage is avoided, so that the protective capacity of the cable is improved.

The utility model discloses when using, make the cable have good ageing resistance high temperature resistance ability through aerogel filler 2, asbestos insulating layer 5, the fire-retardant layer of anti-aging 6 that set up, very be worth promoting.

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

1. The anti-aging high-temperature-resistant cable comprises a conductor (1) and is characterized in that the conductor (1) comprises a conductive core (101), a silicone rubber insulating layer (102) is wrapped outside the conductive core (101), an aluminum tape shielding layer (103) is wrapped outside the silicone rubber insulating layer (102), a polyolefin inner protective layer (104) is wrapped outside the aluminum tape shielding layer (103), a rubber layer (3) is wrapped outside the conductors (1), an asbestos heat insulating layer (5) is wrapped outside the rubber layer (3), an anti-aging flame retardant layer (6) is wrapped outside the asbestos heat insulating layer (5), and the anti-aging flame retardant layer (6) is sequentially formed by an inner polyolefin layer (601), a basalt fiber fireproof cloth layer (602) and an outer polyolefin layer (603) from inside to outside.

2. The anti-aging and high-temperature-resistant cable according to claim 1, wherein aerogel fillers (2) are filled between the rubber layer (3) and the plurality of wires (1).

3. The anti-aging and high-temperature-resistant cable as claimed in claim 1, wherein the outer surface of the rubber layer (3) is coated with the anti-aging coating (4).

4. The anti-aging high-temperature-resistant cable as claimed in claim 1, wherein the anti-aging flame-retardant layer (6) is wrapped with a nylon woven fabric protective layer (7).

5. The aging-resistant and high-temperature-resistant cable according to claim 1, wherein the conductive core (101) is made of a low-oxygen copper conductor.