CN202563940U

CN202563940U - Fireproof flexible armored control cable

Info

Publication number: CN202563940U
Application number: CN2012202082604U
Authority: CN
Inventors: 王世民; 黎民
Original assignee: Chongqing Pigeon Electric Wire and Cable Co Ltd
Current assignee: Chongqing Pigeon Electric Wire and Cable Co Ltd
Priority date: 2012-05-10
Filing date: 2012-05-10
Publication date: 2012-11-28
Anticipated expiration: 2022-05-10

Abstract

The utility model discloses a fireproof cable and specially a fireproof flexible armored control cable. The fireproof flexible armored control cable includes an insulating wire cores, a filling layer, an inner sheath, a steel tape armoring layer and an outer sheath twisted together, wherein the insulating wire core is composed of a conductor formed by twisting a plurality of fine copper wire beams together, a winding mica mine tape, a ceramic silicon gel formed through extrusion wrapping or wrapping, and a glass tape formed through wrapping. A glass tap formed through wrapping is arranged between the filling layer and the inner sheath. A longitudinally wrapping glass fiber taps is arranged between the armoring layer and the outer sheath. The filling layer is made of mineral asbestos material. The inner sheath is made of ceramic silicon gel formed through extrusion wrapping. The outer sheath is made of halogen-free low-smoke anti-flaming polyolefin formed through extrusion wrapping. The number of the insulating wire cores is 2 to 37 and the specification of the insulation wire cores is 0.5 to 6.0 mm2. The fireproof flexible armored control cable provided by the utility model is low in manufacturing cost, simple in manufacturing technique, convenient in installation, long in fire resisting time and good in flexibility. The fireproof flexible armored control cable can be widely applied to different industrials and can reduce losses in fire disasters.

Description

A kind of fireproof flexible armoured control cable

Technical field

The utility model belongs to the fireproof cable technical field, particularly a kind of fireproof flexible armoured control cable.

Background technology

The fire prevention control cable is widely used in industry-by-industry and public place, can when fire takes place, let people have time enough before network paralysis, to steam again data, minimizing personnel injury etc.Continuous development along with the comprehensive wiring industry; Especially the rise of data center; People more and more pay attention to data safety; Cable is as the highway of message transmission, its in the middle of transmission course for sudden disaster particularly the resistance ability of fire more and more receive people's attention, require also increasingly high to fireproofing of cable.

Using maximum fireproof cables at present is copper pipe mineral cables, and its center is single copper conductor, and the sheath skin is a copper pipe, makes separator by magnesia between the double layer of metal body.Though simple in structure, there is following shortcoming: 1. need repeated annealing, drawing, labour intensity to cause greatly that its manufacturing cost is high, manufacturing process is complicated when making; 2. the single copper conductor at center has determined that the hardness of cable is big, so pliability is poor.3. also need increase special-purpose joint installation accessories when installing has caused its installation difficulty big; 4. fire resistance period is short, generally is no more than 90 minutes.

The utility model content

The utility model technical problem to be solved provides a kind of low cost of manufacture, manufacturing process is simple, easy for installation, fire resistance period is long, pliability is good fireproof flexible armoured control cable.

In order to solve the problems of the technologies described above, the utility model provides following technical scheme:

A kind of fireproof flexible armoured control cable includes stranded insulated wire cores, packed layer, inner sheath, steel-tape armouring layer and oversheath; Wherein the conductor that is twisted into through bundle by some fine copper wires successively from inside to outside of insulated wire cores, wrapped mica mineral band, extrude or wrapped pottery silica gel and wrapped glass tape are formed; Wrapped glass tape is arranged between packed layer and the inner sheath; The glass fibre belt that vertical bag is arranged between armour and the oversheath; Packed layer adopts the mineral stone cotton material; Inner sheath is the pottery silica gel that extrudes; Oversheath is the halogen-free and low-smoke flame-retardant polyolefin that extrudes; Insulated wire cores quantity is 2～37 cores, and specification is 0.5～6.0 ㎜ ²

Compared with present technology, the beneficial effect of the utility model is embodied in: low cost of manufacture, manufacturing process is simple, pliability good; Saved copper pipe joint, laying installation is easy to use; Can bear 950 ℃ of big fire, under the situation that has bump or water to drench, ability safe power supply 3 hours, fire resistance period is long, can be by length, core number, the specification production control cable of client's needs.

Description of drawings

Fig. 1 is the structural representation of the utility model fireproof flexible armoured control cable.

Embodiment

As shown in Figure 1, a kind of fireproof flexible armoured control cable includes stranded insulated wire cores 5, packed layer 6, inner sheath 8, steel-tape armouring layer 9 and oversheath 10; By some fine copper wires after bundle is twisted into conductor 1, wrapped successively mica mineral band 2 with extrude or wrapped potteryization silicone insulation layer 3, and then wrapped glass tape 4 constitutes single insulated wire cores 5; Seven single insulated wire cores evenly distribute, and filling mineral asbestos material 6 during stranded stranding, and wrapped glass tape 7 extrude potteryization silica gel inner sheath 8, wrapped steel-tape armouring layer 9, vertical bag glass fibre belt with extrude halogen-free and low-smoke flame-retardant polyolefin oversheath 10; Insulated wire cores quantity is 7 cores, and specification is 1.5 ㎜ ²

Above-described only is the preferred implementation of the utility model; Should be understood that; For a person skilled in the art, under the prerequisite that does not break away from the utility model structure, can also make some distortion and improvement; These also should be regarded as the protection range of the utility model, and these can not influence effect and practical applicability that the utility model is implemented.

Claims

1. a fireproof flexible armoured control cable is characterized in that, is made up of stranded insulated wire cores, packed layer, inner sheath, steel-tape armouring layer and oversheath; The conductor that wherein said insulated wire cores is twisted into through bundle by some fine copper wires from inside to outside successively, wrapped mica mineral band, extrude or wrapped pottery silica gel and wrapped glass tape are formed; Wrapped glass tape is arranged between said packed layer and the inner sheath; The glass fibre belt that vertical bag is arranged between said armour and the oversheath; Packed layer adopts the mineral stone cotton material; Said inner sheath is the pottery silica gel that extrudes; Said oversheath is the halogen-free and low-smoke flame-retardant polyolefin that extrudes; Said insulated wire cores quantity is 2～37 cores, and specification is 0.5～6.0 ㎜ ²