CN214336359U

CN214336359U - Copper core polyvinyl chloride mineral substance cable

Info

Publication number: CN214336359U
Application number: CN202022587098.9U
Authority: CN
Inventors: 郭松川; 郭晓川; 曾春娇
Original assignee: Kunming Sanchuan Wire And Cable Co ltd
Current assignee: Kunming Sanchuan Wire And Cable Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-10-01
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to the technical field of cables, in particular to a copper core polyvinyl chloride mineral cable, which comprises a copper core, wherein a shielding layer is arranged outside the copper core, a plurality of copper cores wrapped by a plurality of shielding layers are wrapped by a sheath to form a conducting wire, insulating mica is filled between the sheath and the shielding layers, a mineral tape is arranged outside the sheath, at least three conducting wires are wrapped in the mineral tape, a mineral filling layer is arranged between the mineral tape and the conducting wires, an aluminum jacket isolating layer is arranged outside the mineral tape, a waterproof layer is arranged outside the aluminum jacket isolating layer, a fire insulating layer is arranged outside the waterproof layer, and a protective outer jacket layer is arranged outside the fire insulating layer; this copper core polyvinyl chloride mineral substance cable is through setting up copper core, shielding layer, insulating mica, mineral substance filling layer etc. and the effectual wearing and tearing that have reduced the cable and cause in the use have just improved the safety in utilization of cable, prevent that the cable from causing the conflagration because of the spontaneous combustion in the use.

Description

Copper core polyvinyl chloride mineral substance cable

Technical Field

The utility model relates to the technical field of cables, specifically a copper core polyvinyl chloride mineral substance cable.

Background

The cable is used for transmitting and distributing the wire of the high-power electric energy in the electric power system, because the mineral substance cable has very good fire resistance, can reduce the probability that the conflagration takes place greatly, it is very important to the place that the fire control requires highly, there is only one deck protective layer outside the mineral substance layer of most existing mineral substance cables, the performance such as fire prevention, waterproof is relatively poor, the outside protective layer is apt to receive external environment influence and cause wearing and tearing, and then destroy the mineral substance layer inside the cable, lead to the fire prevention effect poor, in view of this, we propose a copper core polyvinyl chloride mineral substance cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a copper core polyvinyl chloride mineral matter cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a copper core polyvinyl chloride mineral substance cable, includes the copper core, the copper core outside is equipped with the shielding layer, and is a plurality of shielding layer parcel a plurality of the copper core comprises sheath parcel one wire, sheath and a plurality of it has insulating mica to fill between the shielding layer, the sheath is equipped with the mineral substance band outward the parcel has at least three in the mineral substance band the wire, mineral substance band and a plurality of be equipped with the mineral substance filling layer between the wire, the mineral substance band outside is equipped with the aluminium sheath isolation layer, the aluminium sheath isolation layer outside is equipped with the waterproof layer, the waterproof layer outside is equipped with the fire barrier, the fire barrier outside is equipped with the protection overcoat layer.

Preferably, the inner wall of the shielding layer is tightly attached to the outer side wall of the copper core, the shielding layer is made of polyethylene, and the insulating mica is made of synthetic mica.

Preferably, the inner wall of the aluminum jacket isolation layer is tightly attached to the outer side wall of the mineral wrapping tape, and the thickness of the aluminum jacket isolation layer is 2-4 mm.

Preferably, the inner wall of the waterproof layer is tightly attached to the outer side wall of the aluminum jacket isolation layer, and the thickness of the waterproof layer is 5-8 mm.

Preferably, the inner wall of the fire barrier layer is tightly attached to the outer side wall of the waterproof layer, and the thickness of the fire barrier layer is 5-8 mm.

Preferably, the inner wall of the protective outer sleeve layer is tightly attached to the outer side wall of the fire insulation layer, and the thickness of the protective outer sleeve layer is 12-15 mm.

Compared with the prior art, the beneficial effects of the utility model are that: this copper core polyvinyl chloride mineral substance cable is through setting up copper core, shielding layer, insulating mica, mineral substance filling layer etc. and the effectual wearing and tearing that have reduced the cable and cause in the use have just improved the safety in utilization of cable, prevent that the cable from causing the conflagration because of the spontaneous combustion in the use.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

In the figure: 1. a copper core; 2. a shielding layer 3, insulating mica; 4. a sheath; 5. a mineral filled layer; 6. mineral tape; 7. an aluminum jacket isolation layer; 8. a waterproof layer; 9. a fire barrier layer; 10. a protective overcoat layer; 11. and (4) conducting wires.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a copper core polyvinyl chloride mineral substance cable, including copper core 1, the 1 outside of copper core is equipped with shielding layer 2, a wire 11 is constituteed by 4 parcels of sheath to a plurality of copper cores 1 of a plurality of shielding layer parcel, it has insulating mica 3 to fill between sheath 4 and a plurality of

shielding layer

2, 4 outsides of sheath are equipped with mineral substance band 6, the parcel has three at least wires 11 in mineral substance band 6, be equipped with mineral substance filling layer 5 between mineral substance band 6 and a plurality of

wire

11, 6 outsides in mineral substance band are equipped with aluminium

jacket isolation layer

7, 7 outsides in aluminium jacket isolation layer are equipped with

waterproof layer

8, 8 outsides in waterproof layer are equipped with fire barrier 9, 9 outsides in fire barrier are equipped with protection overcoat layer 10.

In this embodiment, the inner wall of the shielding layer 2 is tightly attached to the outer side wall of the copper core 1, the shielding layer 2 is made of polyethylene, electromagnetic signals can be effectively shielded, the influence on signals around the cable is reduced, the insulating mica 3 is made of synthetic mica material, the performance of the synthetic mica is superior to that of natural mica, and the insulating mica is high temperature resistant and has excellent insulating performance.

In addition, the inner wall of the aluminum sleeve isolation layer 7 is tightly attached to the outer side wall of the mineral tape 6, the thickness of the aluminum sleeve isolation layer 7 is 2-4mm, and the aluminum sleeve isolation layer 7 can prevent the cable from generating static electricity in the using process, so that the abrasion of the cable to the cable is reduced.

Further, the inner wall of waterproof layer 8 closely laminates on the lateral wall of aluminium cover isolation layer 7, and waterproof layer 8 thickness is 5-8mm, and waterproof layer 8 adopts PE waterproof material to make, prevents that moisture from permeating into the cable inside, and it has good intensity and elasticity.

Specifically, the inner wall of the fire barrier layer 9 is tightly attached to the outer side wall of the waterproof layer 8, the thickness of the fire barrier layer is 5-8mm, and the material of the fire barrier layer is also made of mineral materials, so that the cable is further protected, and the fire caused by spontaneous combustion is prevented.

It is worth noting that the inner wall of the protective outer sleeve layer 10 is tightly attached to the outer side wall of the fire barrier layer 9, the thickness of the protective outer sleeve layer 10 is 12-15mm, the protective outer sleeve layer 10 is made of polyvinyl chloride, and polyvinyl chloride is mainly characterized by flame retardance, so that the possibility of fire caused by spontaneous combustion of cables is greatly reduced.

The copper core polyvinyl chloride mineral matter cable of this embodiment is when using, 1 outer parcel of copper core covers 1 shielding layer 2, 1 the copper core after a plurality of parcels alternates in sheath 4, and at the inside insulating mica 3 of packing of sheath 4, make it wrap up tightly not take place not hard up, then wrap up a plurality of sheaths 4 and its internals with mineral matter band 6, and fill the mineral matter between sheath 4 and mineral matter band 6 simultaneously, wrap up the aluminum sheath in mineral matter band 6, form aluminum sheath isolation layer 7, sheathe waterproof layer 8 in proper order and separate fire layer 9 at 7 outer walls of aluminum sheath isolation layer after that, and finally protect overcoat layer 10 on separating fire layer 9 overcoat, all inseparable fixed connection between each layer, when using, install cable one end on the plug that needs, inserting the socket with the plug, can realize the transportation of electric power.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a copper core polyvinyl chloride mineral substance cable, includes copper core (1), its characterized in that: copper core (1) outside is equipped with shielding layer (2), and is a plurality of shielding layer parcel a plurality of wire (11) are constituteed to copper core (1) by sheath (4) parcel, sheath (4) and a plurality of it has insulating mica (3) to fill between shielding layer (2), sheath (4) are equipped with mineral substance band (6) outward, the parcel has at least three in mineral substance band (6) wire (11), mineral substance band (6) and a plurality of be equipped with mineral substance filling layer (5) between wire (11), mineral substance band (6) outside is equipped with aluminium cover isolation layer (7), aluminium cover isolation layer (7) outside is equipped with waterproof layer (8), waterproof layer (8) outside is equipped with fire barrier (9), it is equipped with protection overcoat layer (10) to separate fire barrier (9) outside.

2. The copper-cored polyvinyl chloride mineral cable of claim 1, wherein: the inner wall of the shielding layer (2) is tightly attached to the outer side wall of the copper core (1), the shielding layer (2) is made of polyethylene, and the insulating mica (3) is made of synthetic mica.

3. The copper-cored polyvinyl chloride mineral cable of claim 1, wherein: the inner wall of the aluminum sleeve isolation layer (7) is tightly attached to the outer side wall of the mineral tape (6), and the thickness of the aluminum sleeve isolation layer (7) is 2-4 mm.

4. The copper-cored polyvinyl chloride mineral cable of claim 1, wherein: the inner wall of the waterproof layer (8) is tightly attached to the outer side wall of the aluminum sleeve isolation layer (7), and the thickness of the waterproof layer (8) is 5-8 mm.

5. The copper-cored polyvinyl chloride mineral cable of claim 1, wherein: the inner wall of the fire barrier layer (9) is tightly attached to the outer side wall of the waterproof layer (8), and the thickness of the fire barrier layer is 5-8 mm.

6. The copper-cored polyvinyl chloride mineral cable of claim 1, wherein: the inner wall of the protective outer sleeve layer (10) is tightly attached to the outer side wall of the fire insulation layer (9), and the thickness of the protective outer sleeve layer (10) is 12-15 mm.