CN209691474U

CN209691474U - A kind of fire-retardant A class answering machine data transmission cable

Info

Publication number: CN209691474U
Application number: CN201920989531.6U
Authority: CN
Inventors: 杨拉明; 张富县; 王佳
Original assignee: China Xidian Group Ltd; XI'AN XIDIAN OPTICAL CABLE CO Ltd
Current assignee: China Xidian Group Ltd; XI'AN XIDIAN OPTICAL CABLE CO Ltd; China XD Electric Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2019-11-26
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a kind of fire-retardant A class answering machine data transmission cables, including cable core, inner sleeve, shielded layer, oxygen barrier layer and oversheath, inner sleeve, shielded layer, oxygen barrier layer and oversheath are successively wrapped in outside cable core from inside to outside, oxygen barrier layer is made of high fire-retardance Ceramic silicon rubber material, and oversheath is made of the halogen-free and low-smoke flame-retardant polyolefin sheathed material of high fire-retardance crust property；Oxygen barrier layer is made using high fire-retardance Ceramic silicon rubber material in above-mentioned fire-retardant A class answering machine data transmission cable outside shielded layer; the oxygen barrier layer can heat at porcelain; to protect internal structure; oversheath is made using the halogen-free and low-smoke flame-retardant polyolefin sheathed material of high fire-retardance crust property; it can quickly crust after cable meets fire, guarantee that cable internal structure is not lighted by open fire；In conclusion the fire-retardant A class answering machine data transmission cable structure that this case provides is simple, high production efficiency, flame retardant property is excellent, can meet fire-retardant A class requirement.

Description

A kind of fire-retardant A class answering machine data transmission cable

Technical field

The utility model relates to field of cables, in particular to a kind of fire-retardant A class answering machine data transmission cable.

Background technique

Existing answering machine data transmission cable successively includes conductor, insulating layer, inner sleeve, proof copper-wire braided shielding from inside to outside And oversheath, the insulating layer of cable, interior cover material are polyethylene combustible material, inner sleeve is produced using blowpipe technique, internal Oxygen content is more, and shielded layer is braiding structure, is unable to fire insulation, if therefore there is open fire to enter within shielded layer, reach burning item Part, cable will burn since inside, generate more heats, very unfavorable to fire-retardant A class bunched burning test.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of fire-retardant A class answering machine data transmission cables, so that its With good fire-proof and thermal-insulation effect, cable internal structure is avoided to be lighted by open fire.

To achieve the above object, the utility model provides the following technical solutions:

A kind of fire-retardant A class answering machine data transmission cable, including cable core, the cable core are successively enclosed with inner sleeve, shielding outside Layer, oxygen barrier layer and oversheath, the oxygen barrier layer are made of high fire-retardance Ceramic silicon rubber material, and the oversheath is by high fire-retardance The halogen-free and low-smoke flame-retardant polyolefin sheathed material of crust property is made.

Preferably, the cable core is twisted by more insulated single wires, and the insulated single wire includes conductor and is wrapped in Insulating layer outside the conductor.

Preferably, the color of the insulating layer of each insulated single wire is different.

Preferably, the inner sleeve and the insulating layer are made of polythene material.

Preferably, the shielded layer is formed by proof copper-wire braided.

Preferably, the oxygen barrier layer is formed by Ceramic silicon rubber band is wrapped outside the shielded layer, and the ceramic Wrapped Duplication >=15% of silicone rubber belt.

Preferably, the oxygen barrier layer is extruded outside the shielded layer by Ceramic silicon rubber material.

Preferably, also wrapped layer of glass band outside the oxygen barrier layer, the wrapped Duplication of the glass fiber tape >= 15%.

To achieve the above object, the utility model provides a kind of fire-retardant A class answering machine data transmission cable, the fire-retardant A Class answering machine data transmission cable includes cable core, inner sleeve, shielded layer, oxygen barrier layer and oversheath, inner sleeve, shielded layer, oxygen barrier layer And oversheath is successively wrapped in outside cable core from inside to outside, oxygen barrier layer is made of high fire-retardance Ceramic silicon rubber material, oversheath It is made of the halogen-free and low-smoke flame-retardant polyolefin sheathed material of high fire-retardance crust property；Above-mentioned fire-retardant A class answering machine data transmission cable is adopted Oxygen barrier layer is made outside shielded layer with high fire-retardance Ceramic silicon rubber material, the oxygen barrier layer can heat at porcelain, thus in protection Oversheath is made using the halogen-free and low-smoke flame-retardant polyolefin sheathed material of high fire-retardance crust property in portion's structure, can after cable meets fire Quickly crust guarantees that cable internal structure is not lighted by open fire；In conclusion the fire-retardant A class transponder data that this case provides passes Transmitting electricity, cable structure is simple, and high production efficiency, flame retardant property is excellent, can meet fire-retardant A class requirement.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the sectional view of fire-retardant A class answering machine data transmission cable provided by the embodiment of the utility model.

In figure:

1 is insulated single wire；101 be conductor；102 be insulating layer；2 be inner sleeve；3 be shielded layer；4 be oxygen barrier layer；5 be outer shield Set.

Specific embodiment

The purpose of this utility model is to provide a kind of fire-retardant A class answering machine data transmission cable, the fire-retardant A class transponders The structure design of data cable makes it have good fire-proof and thermal-insulation effect, and cable internal structure is avoided to be lighted by open fire.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, Fig. 1 is the section of fire-retardant A class answering machine data transmission cable provided by the embodiment of the utility model Figure.

A kind of fire-retardant A class answering machine data transmission cable provided by the embodiment of the utility model, including cable core, inner sleeve 2, screen Layer 3, oxygen barrier layer 4 and oversheath 5 are covered, inner sleeve 2, shielded layer 3, oxygen barrier layer 4 and oversheath 5 are successively wrapped in cable from inside to outside Outside core, oxygen barrier layer 4 is made of high fire-retardance Ceramic silicon rubber material, and oversheath 5 is gathered by high fire-retardance crust property LSOH anti-flaming Alkene sheath material is made.

Compared with prior art, fire-retardant A class answering machine data transmission cable provided by the utility model is made pottery using high fire-retardance Oxygen barrier layer 4 is made in porcelain SiClx rubber material outside shielded layer 3, the oxygen barrier layer 4 can heat at porcelain, to protect internal structure, Oversheath 5 is made using the halogen-free and low-smoke flame-retardant polyolefin sheathed material of high fire-retardance crust property, can quickly be tied after cable meets fire Shell guarantees that cable internal structure is not lighted by open fire；In conclusion the fire-retardant A class answering machine data transmission cable that this case provides Structure is simple, and high production efficiency, flame retardant property is excellent, can meet fire-retardant A class requirement.

Preferably, cable core is twisted by more insulated single wires 1, and insulated single wire 1 includes conductor 101 and insulating layer 102, insulating layer 102 is wrapped in outside conductor 101, and further, conductor 101 is soft copper conductor 101, and insulating layer 102 is by poly- second Alkene material is extruded outside soft copper conductor 101 and is made.

Preferably, cable core is twisted by two or four insulated single wires 1.

Preferably, for convenient for distinguishing, the color of each insulated single wire 1 is different.

Preferably, inner sleeve 2 is made of polythene material, and polythene material is extruded using pipe mode is squeezed in cable core shape At polyethylene inner sleeve 2, the electric property for guaranteeing cable is blown into inner sleeve 2 when extruding inner sleeve 2.

Preferably, shielded layer 3 is woven outside inner sleeve 2 by copper wire.

Oxygen barrier layer 4 is by wrapped or extrude mode and be made, wherein around packet mode is using made of Ceramic silicon rubber material Ceramic silicon rubber band is wrapped outside shielded layer 3 to be made oxygen barrier layer 4, and in order to play good heat-insulating, fire-preventing effect, ceramic Wrapped Duplication >=15% of silicone rubber belt.

The mode of extruding is to extrude that oxygen barrier layer 4 is made outside shielded layer 3 using Ceramic silicon rubber material, and need upper State wrapped layer of glass band outside oxygen barrier layer 4, and wrapped Duplication >=15% of glass fiber tape.

In conclusion fire-retardant A class answering machine data transmission cable structure provided by the embodiment of the utility model is simple, it is convenient for Production, heat can play good flame retardant effect at the oxygen barrier layer 4 of porcelain and the oversheath 5 of chance fire crust, guarantee cable The internal structures such as cable core, inner sleeve 2, shielded layer 3 are not lighted by open fire, to meet fire-retardant A class requirement.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims

1. a kind of fire-retardant A class answering machine data transmission cable, which is characterized in that including cable core, be successively enclosed with outside the cable core Inner sleeve, shielded layer, oxygen barrier layer and oversheath, the oxygen barrier layer are made of high fire-retardance Ceramic silicon rubber material, the outer shield Set is made of the halogen-free and low-smoke flame-retardant polyolefin sheathed material of high fire-retardance crust property.

2. fire-retardant A class answering machine data transmission cable according to claim 1, which is characterized in that the cable core is by more Insulated single wire is twisted, and the insulated single wire includes conductor and the insulating layer that is wrapped in outside the conductor.

3. fire-retardant A class answering machine data transmission cable according to claim 2, which is characterized in that each insulated single wire Insulating layer color it is different.

4. fire-retardant A class answering machine data transmission cable according to claim 2 or 3, which is characterized in that the inner sleeve and The insulating layer is made of polythene material.

5. fire-retardant A class answering machine data transmission cable according to claim 1 to 3, which is characterized in that described Shielded layer is formed by proof copper-wire braided.

6. fire-retardant A class answering machine data transmission cable according to claim 1 to 3, which is characterized in that described Oxygen barrier layer is formed by Ceramic silicon rubber band is wrapped outside the shielded layer, and the wrapped Duplication of the Ceramic silicon rubber band >=15%.

7. fire-retardant A class answering machine data transmission cable according to claim 1 to 3, which is characterized in that described Oxygen barrier layer is extruded outside the shielded layer by Ceramic silicon rubber material.

8. fire-retardant A class answering machine data transmission cable according to claim 7, which is characterized in that outside the oxygen barrier layer also Wrapped layer of glass band, wrapped Duplication >=15% of the glass fiber tape.