CN210514728U

CN210514728U - High-flame-retardance fire-isolating oxygen-isolating glass cloth wrapping tape for optical cable

Info

Publication number: CN210514728U
Application number: CN201921373911.3U
Authority: CN
Inventors: 蔡军
Original assignee: Jiangsu Sichuang Cable Material Co Ltd
Current assignee: Jiangsu Sichuang Cable Material Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-12
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses an optical cable is with high fire-retardant fire-proof oxygen-proof glass cloth band relates to optical cable technical field, for solving current optical cable and using the band to adopt the non-woven fabrics to make more, can not reach fire-retardant purpose problem. The optical cable comprises an optical cable main body and is characterized in that optical cable cores are arranged inside the optical cable main body, an optical cable insulating layer is arranged outside the optical cable cores, a glass cloth wrapping belt is arranged outside the optical cable insulating layer, a metal armor layer is arranged outside the glass cloth wrapping belt, an outer sheath is arranged outside the metal armor layer, fire isolating blocks are arranged outside the outer sheath, six fire isolating blocks are arranged outside the outer sheath, and the fire isolating blocks are welded with the outer sheath.

Description

High-flame-retardance fire-isolating oxygen-isolating glass cloth wrapping tape for optical cable

Technical Field

The utility model relates to an optical cable technical field specifically is an optical cable is with high fire-retardant fire-proof oxygen-insulated glass cloth band.

Background

Optical fiber cables (optical fiber cables) are manufactured to meet optical, mechanical or environmental performance specifications and utilize one or more optical fibers disposed in a covering sheath as a transmission medium and can be used individually or in groups as a communication cable assembly. In recent years, with the rapid development of national economy, particularly the rapid development of industries such as electric power, electronics, informatization and the like, and with the continuous increase of the using amount of the optical cable, electrical fire accidents frequently occur, and the flame retardant problem of the optical cable gradually draws attention of all countries in the world.

However, the prior wrapping tape for the optical cable is mostly made of non-woven fabrics, and the purpose of flame retardance cannot be achieved; therefore, the existing requirements are not met, and a high-flame-retardant fire-insulating oxygen-insulating glass cloth wrapping tape for the optical cable is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical cable is with high fire-retardant fire insulation oxygen glass cloth band to current optical cable that proposes in solving above-mentioned background art is with band adopt the non-woven fabrics to make more, can not reach the problem of fire-retardant purpose.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optical cable is with high fire-retardant fire-proof oxygen-proof glass cloth band, includes the optical cable main part, the inside of optical cable main part is provided with the optical cable sinle silk, the outside of optical cable sinle silk is provided with the optical cable insulating layer, the outside of optical cable insulating layer is provided with the glass cloth band, the outside of glass cloth band is provided with the metal armor, the outside of metal armor is provided with the oversheath.

Preferably, the outer portion of the outer sheath is provided with six fire insulation blocks, and the fire insulation blocks are connected with the outer sheath in a welded mode.

Preferably, a first medium alkali glass fiber cloth is arranged inside the glass cloth wrapping belt, a second medium alkali glass fiber cloth is arranged outside the first medium alkali glass fiber cloth, and a third medium alkali glass fiber cloth is arranged outside the second medium alkali glass fiber cloth.

Preferably, a first halogen-free flame-retardant layer is arranged between the first medium alkali glass fiber cloth and the second medium alkali glass fiber cloth, and a second halogen-free flame-retardant layer is arranged between the second medium alkali glass fiber cloth and the third medium alkali glass fiber cloth.

Preferably, the first medium alkali glass fiber cloth, the second medium alkali glass fiber cloth and the third medium alkali glass fiber cloth respectively comprise a first unit medium alkali glass fiber cloth, a second unit medium alkali glass fiber cloth and a wire mesh, and the wire mesh is positioned between the first unit medium alkali glass fiber cloth and the second unit medium alkali glass fiber cloth.

Preferably, the alkali glass fiber cloth and the metal wire mesh in the first unit are connected in a bonding mode, and the alkali glass fiber cloth and the metal wire mesh in the second unit are connected in a bonding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through be provided with six at a distance from fire pieces in the outside of outer sheath, do not directly contact with wall body or ground during normal work, play damp-proofing effect, when the conflagration takes place and causes the optical cable to fall to the ground, can avoid the optical cable main part to directly contact with ground effectively, play preliminary fire-retardant purpose;

2. the utility model discloses a be provided with first well alkali glass fiber cloth, second well alkali glass fiber cloth and third well alkali glass fiber cloth and constitute the glass cloth band jointly, play the purpose that the high fire-retardant separates the fire and separates the oxygen, well alkali glass fiber cloth has characteristics such as chemical resistance, fire prevention, fire-retardant, waterproof, ageing-resistant, weatherability, can carry out effective fire-retardant to the cable main part, be provided with first no halogen flame retardant layer and second between each well alkali glass fiber cloth respectively and have not steamed flame retardant layer, further strengthened fire-retardant fire insulation effect;

3. the utility model discloses an install wire mesh in the middle of each medium alkali glass fiber cloth, improve the resistance to deformation, the tensile intensity of dragging in whole glass cloth band, strengthen its life, whole difficult damaged and tear.

Drawings

Fig. 1 is a schematic view of the overall structure of a high flame-retardant fire-insulating oxygen-insulating glass cloth wrapping tape for an optical cable according to the present invention;

FIG. 2 is a schematic structural view of a glass cloth tape of the present invention;

fig. 3 is a schematic structural diagram of a first medium alkali glass fiber cloth according to the present invention.

In the figure: 1. a cable main body; 2. a cable core; 3. an optical cable insulation layer; 4. a glass cloth tape; 5. a metal armor layer; 6. an outer sheath; 7. a fire insulating block; 8. a first medium alkali glass fiber cloth; 9. a second medium alkali glass fiber cloth; 10. third medium alkali glass fiber cloth; 11. a first halogen-free flame retardant layer; 12. a second halogen-free flame retardant layer; 13. alkali glass fiber cloth in the first unit; 14. alkali glass fiber cloth in the second unit; 15. a wire mesh.

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, the present invention provides an embodiment: the utility model provides an optical cable is with high fire-retardant fire insulation oxygen-proof glass cloth band, includes optical cable main part 1, and optical cable main part 1's inside is provided with optical cable core 2, and optical cable core 2's outside is provided with optical cable insulating layer 3, and optical cable insulating layer 3's outside is provided with glass cloth band 4, and glass cloth band 4's outside is provided with metal armor 5, and metal armor 5's outside is provided with oversheath 6, and metal armor 5 and oversheath 6 protect optical cable main part 1.

Further, the externally mounted of oversheath 6 separates fire piece 7, and separates fire piece 7 and be provided with six, separates

fire piece

7 and 6 welded connection of oversheath, and normal during operation does not with wall body or ground direct contact, plays damp-proofing effect, when the conflagration breaing out and causing optical cable main part 1 to fall to the ground, can avoid optical cable main part 1 directly to contact with ground effectively, plays preliminary fire-retardant purpose.

Furthermore, a first medium alkali glass fiber cloth 8 is arranged inside the glass cloth wrapping belt 4, a second medium alkali glass fiber cloth 9 is arranged outside the first medium alkali glass fiber cloth 8, a third medium alkali glass fiber cloth 10 is arranged outside the second medium alkali glass fiber cloth 9, and the medium alkali glass fiber cloth has the characteristics of chemical corrosion resistance, fire resistance, flame retardance, water resistance, aging resistance, weather resistance and the like, and can effectively retard the flame of the optical cable main body 1.

Further, a first halogen-free flame retardant layer 11 is arranged between the first medium alkali glass fiber cloth 8 and the second medium alkali glass fiber cloth 9, and a second halogen-free flame retardant layer 12 is arranged between the second medium alkali glass fiber cloth 9 and the third medium alkali glass fiber cloth 10, so that the flame retardant and fire insulation effects are further enhanced.

Further, the first medium alkali glass fiber cloth 8, the second medium alkali glass fiber cloth 9 and the third medium alkali glass fiber cloth 10 respectively comprise a first unit medium alkali glass fiber cloth 13, a second unit medium alkali glass fiber cloth 14 and a wire mesh 15, and the wire mesh 15 is located between the first unit medium alkali glass fiber cloth 13 and the second unit medium alkali glass fiber cloth 14, so that the deformation resistance and the tensile strength of the whole glass cloth wrapping belt 4 are improved, the service life of the whole glass cloth wrapping belt is prolonged, and the whole glass cloth wrapping belt is not easy to damage and tear.

Furthermore, the alkali glass fiber cloth 13 in the first unit is connected with the metal wire mesh 15 in a bonding mode, the alkali glass fiber cloth 14 in the second unit is connected with the metal wire mesh 15 in a bonding mode, the material utilization rate is high, the cost is low, stress concentration on all bonding surfaces is small, and therefore the anti-fatigue performance is good, and the sealing performance, the insulating performance and the anti-corrosion performance are good.

The working principle is as follows: when the cable is used, the six fire insulation blocks 7 are arranged outside the outer sheath 6, and do not directly contact with a wall or the ground during normal work to play a role of moisture protection, when a fire disaster causes the cable main body 1 to fall to the ground, the cable main body 1 can be effectively prevented from directly contacting with the ground to play a role of primary flame retardance, the first medium alkali glass fiber cloth 8, the second medium alkali glass fiber cloth 9 and the third medium alkali glass fiber cloth 10 jointly form the glass cloth belting 4 to play a role of high flame retardance, fire resistance, flame retardance, water resistance, aging resistance, weather resistance and the like, the cable main body 1 can be effectively flame-retarded, the first halogen-free flame retardant layer 11 and the second halogen-free flame retardant layer 12 are respectively arranged among the medium alkali glass fiber cloths to further strengthen the flame retardance and fire retardance, the metal wire mesh 15 is arranged in the middle of each medium alkali glass fiber cloth, the deformation resistance and the pulling resistance of the whole glass cloth belting 4 are improved, the service life of the glass cloth belting is prolonged, and the whole glass cloth belting is not easy to damage and tear.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an optical cable is with high fire-retardant fire-proof oxygen-proof glass cloth band, includes optical cable main part (1), its characterized in that: the optical cable comprises an optical cable main body (1) and is characterized in that an optical cable core (2) is arranged inside the optical cable main body (1), an optical cable insulating layer (3) is arranged outside the optical cable core (2), a glass cloth wrapping tape (4) is arranged outside the optical cable insulating layer (3), a metal armor layer (5) is arranged outside the glass cloth wrapping tape (4), and an outer sheath (6) is arranged outside the metal armor layer (5).

2. The high flame retardant fire and oxygen insulation glass cloth tape for optical cables as claimed in claim 1, wherein: the outer mounting of oversheath (6) has fire insulating block (7), and fire insulating block (7) is provided with six, fire insulating block (7) and oversheath (6) welded connection.

3. The high flame retardant fire and oxygen insulation glass cloth tape for optical cables as claimed in claim 1, wherein: the glass cloth wrapping belt (4) is internally provided with a first medium alkali glass fiber cloth (8), a second medium alkali glass fiber cloth (9) is arranged outside the first medium alkali glass fiber cloth (8), and a third medium alkali glass fiber cloth (10) is arranged outside the second medium alkali glass fiber cloth (9).

4. The tape according to claim 3, wherein the tape comprises: a first halogen-free flame-retardant layer (11) is arranged between the first medium alkali glass fiber cloth (8) and the second medium alkali glass fiber cloth (9), and a second halogen-free flame-retardant layer (12) is arranged between the second medium alkali glass fiber cloth (9) and the third medium alkali glass fiber cloth (10).

5. The tape according to claim 3, wherein the tape comprises: the first medium alkali glass fiber cloth (8), the second medium alkali glass fiber cloth (9) and the third medium alkali glass fiber cloth (10) respectively comprise a first unit medium alkali glass fiber cloth (13), a second unit medium alkali glass fiber cloth (14) and a wire mesh (15), and the wire mesh (15) is positioned between the first unit medium alkali glass fiber cloth (13) and the second unit medium alkali glass fiber cloth (14).

6. The tape according to claim 5, wherein the tape comprises: alkali glass fiber cloth (13) and wire mesh (15) are connected in the cementing of first unit, alkali glass fiber cloth (14) and wire mesh (15) are connected in the cementing of second unit.