CN204740909U - High temperature resistant anti -interference type number is according to cable - Google Patents

Abstract

The utility model discloses a high temperature resistant anti -interference type number is according to cable, include: eight metal round conductor belong to round conductor and include a first aluminum -alloy wire that is located the center, and 6 second aluminum -alloy wires strand and form outer electrically conductive layer all around in first aluminum -alloy wire, a sheath cladding in fire -retardant in first hank twists the line surface line and fourth line, third hank line, second hank, the sheath surface has a plurality of recess along circumference in fire -retardant, an insulating sheath layer internal surface has a plurality of sand grip along circumference, an insulating sheath layer cladding in sheath surface in fire -retardant, insulating sheath layer's sand grip imbeds in the recess of fire -retardant interior sheath. The utility model discloses both improve digital communication cable fire behaviour, also improved digital communication cable insulating properties, and avoided the defect of the easy layering of joint line, improved the adhesive strength, reduced cable processing technology's the degree of difficulty, improved the properties of product reliability.

Description

High temperature resistant anti-interference type data cable

Technical field

The utility model relates to data cable field, is specifically related to a kind of high temperature resistant anti-interference type data cable.

Background technology

Wires and cables industry is the domestic second largest industry being only second to automobile industry, and product variety Service Efficiency and domestic market occupation rate are all more than 90%.Worldwide, China, in electric wire, has become Production and consumption state the biggest in the world.Along with the fast development of digitizing technique, computer is not only applied in various industrial plants in large quantities, and obtains popularizing more widely in all kinds of office even residential building.The continuous expansion of computer network, extension, and the sharply increase of transmission information amount, on the one hand making to arrange net increases progressively with larger amplitude with data cable consumption; On the other hand require that again data cable has higher transmission speed, wider transmission bandwidth, with realize information quick, accurately transmit.Its transmission speed scope also develops from l0Mbps to 10000Mbps, and it is increasing to predict due to the traffic, network speed will substantially exceed 1000Mbps in the near future, this data cable that a kind of electric property can be provided more excellent with regard to an urgent demand people.

Utility model content

The utility model object is to provide a kind of high temperature resistant anti-interference type data cable, this is high temperature resistant, and anti-interference type data cable had both improve digital communication cable fire resistance, also improve digital communication cable insulation property, and the raised line of insulating jacket layer embeds in the groove of described fire-retardant sheath, avoid the defect of the easy layering of connecting sewing, improve adhesive strength, reduce the difficulty of cable working technology, improve properties of product reliability.

For achieving the above object, the technical solution adopted in the utility model is: a kind of high temperature resistant anti-interference type data cable, comprising: eight round metal conductors, all outer insulating layer coating of this round metal conductor; In described eight round metal conductors, two round metal conductor composition first strands are to line, and two round metal conductor composition second strands are to line; Two round metal conductor composition the 3rd strands are to line; Two round metal conductor composition the 4th strands are to line;

Described round metal conductor comprises the first aluminum-alloy wire that is positioned at center, and 6 second aluminum-alloy wires are stranded in the first aluminum-alloy wire surrounding formation outer conducting layer;

Described first strand lays respectively at the first, second, third and fourth cavity of " ten " character skeleton in line and the 4th strand to line to line, the 3rd strand to line, the second strand;

One fire-retardant sheath is coated on described first strand and twists line outer surface line and the 4th line, the 3rd strand line, the second strand, and described fire-retardant sheath outer surface circumferentially has several grooves;

One insulating jacket layer inner surface circumferentially has several raised lines, and an insulating jacket layer is coated on described fire-retardant sheath outer surface, and the raised line of insulating jacket layer embeds in the groove of described fire-retardant sheath.

The technical scheme of the further improvement in technique scheme is as follows:

In such scheme, in described insulating jacket layer, the number of raised line is 6 ~ 10, and the number of described fire-retardant sheath further groove is 6 ~ 10.

Because technique scheme is used, the utility model compared with prior art has following advantages and effect:

The utility model is high temperature resistant anti-interference type data cable, it had both improve digital communication cable fire resistance, also improve digital communication cable insulation property, and the raised line of insulating jacket layer embeds in the groove of described fire-retardant sheath, avoid the defect of the easy layering of connecting sewing, improve adhesive strength, reduce the difficulty of cable working technology, improve properties of product reliability; Secondly, four strands comprise to round metal conductor in line the first aluminum-alloy wire that is positioned at center, 6 second aluminum-alloy wires are stranded in the first aluminum-alloy wire surrounding formation outer conducting layer, its have lightweight, lay facility, cost is low, overcome the defects such as copper cost is high, price rises and fall sharply and quickly and aluminium mechanical performance is low, connection is unstable, flexility significantly improves, and makes the bending radius of cable be only 7 times of external diameters, improves the tensile strength of cable.

Accompanying drawing explanation

Accompanying drawing 1 is the utility model high temperature resistant anti-interference type data cable structural representation.

In above accompanying drawing: 1, round metal conductor; 2, insulating barrier; 3, the first strand is to line; 4, the second strand is to line; 5, the 3rd strand is to line; 6, the 4th strand is to line; 7, " ten " character skeleton; 8, fire-retardant sheath; 81, groove; 9, insulating jacket layer; 91, raised line; 10, the first aluminum-alloy wire; 11, outer conducting layer.

Embodiment

Below in conjunction with drawings and Examples, the utility model is further described:

Embodiment: a kind of high temperature resistant anti-interference type data cable, comprising: eight round metal conductors 1, all outer insulating layer coating 2 of this round metal conductor 1; In described eight round metal conductors 1, two round metal conductor composition first strands are to line 3, and two round metal conductor composition second strands are to line 4; Two round metal conductor composition the 3rd strands are to line 5; Two round metal conductor composition the 4th strands are to line 6;

Described round metal conductor 1 comprises the first aluminum-alloy wire 10 that is positioned at center, 6 second aluminum-alloy wires are stranded in the first aluminum-alloy wire 10 surrounding formation outer conducting layer 11, and described first strand is twisted line 3, second and laid respectively at the first, second, third and fourth cavity of " ten " character skeleton 7 in line 5 and the 4th strand to line 6 to line 4, the 3rd strand;

One fire-retardant sheath 8 is coated on described first strand and twists line 6 outer surface line 5 and the 4th line 4, the 3rd strand line 3, second strand, and described fire-retardant sheath 8 outer surface circumferentially has several grooves 81;

One insulating jacket layer 9 inner surface circumferentially has several raised line 91, one insulating jacket layer 9 and is coated on described fire-retardant sheath 8 outer surface, and the raised line 91 of insulating jacket layer 9 embeds in the groove 81 of described fire-retardant sheath 8.

When adopting above-mentioned high temperature resistant anti-interference type data cable, it had both improve digital communication cable fire resistance, also improve digital communication cable insulation property, and the raised line of insulating jacket layer embeds in the groove of described fire-retardant sheath, avoids the defect of the easy layering of connecting sewing, improve adhesive strength, reduce the difficulty of cable working technology, improve properties of product reliability; Secondly, four strands comprise to round metal conductor in line the first aluminum-alloy wire that is positioned at center, 6 second aluminum-alloy wires are stranded in the first aluminum-alloy wire surrounding formation outer conducting layer, its have lightweight, lay facility, cost is low, overcome the defects such as copper cost is high, price rises and fall sharply and quickly and aluminium mechanical performance is low, connection is unstable, flexility significantly improves, and makes the bending radius of cable be only 7 times of external diameters, improves the tensile strength of cable.

Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection range of the present utility model.

Claims (2)

1. a high temperature resistant anti-interference type data cable, is characterized in that: comprising: eight round metal conductors (1), all outer insulating layer coating (2) of this round metal conductor (1); In described eight round metal conductors (1), two round metal conductor composition first strands are to line (3), and two round metal conductor composition second strands are to line (4); Two round metal conductor composition the 3rd strands are to line (5); Two round metal conductor composition the 4th strands are to line (6);

Described round metal conductor (1) comprises the first aluminum-alloy wire (10) that is positioned at center, and 6 second aluminum-alloy wires are stranded in the first aluminum-alloy wire (10) surrounding formation outer conducting layer (11);

Described first strand lays respectively at the first, second, third and fourth cavity of " ten " character skeleton (7) in line (5) and the 4th strand to line (6) to line (4), the 3rd strand to line (3), the second strand;

One fire-retardant sheath (8) is coated on described first strand and twists line (6) outer surface line (5) and the 4th line (4), the 3rd strand line (3), the second strand, and described fire-retardant sheath (8) outer surface circumferentially has several grooves (81);

One insulating jacket layer (9) inner surface circumferentially has several raised lines (91), one insulating jacket layer (9) is coated on described fire-retardant sheath (8) outer surface, and the raised line (91) of insulating jacket layer (9) embeds in the groove (81) of described fire-retardant sheath (8).

2. high temperature resistant anti-interference type data cable according to claim 1, is characterized in that: in described insulating jacket layer (9), the number of raised line (91) is 6 ~ 10, and the number of described fire-retardant sheath (8) further groove (81) is 6 ~ 10.