CN213070725U

CN213070725U - Flame-retardant photoelectric composite cable based on UTP6 type wire

Info

Publication number: CN213070725U
Application number: CN202022161564.7U
Authority: CN
Inventors: 徐济长; 陈双双
Original assignee: Shanghai Changyue Communication Co ltd
Current assignee: Shanghai Changyue Communication Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-04-27
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a flame-retardant photoelectric composite cable based on UTP6 type wires, wherein a cable core is formed by combining four pairs of data cable wires, two flexible optical cables and a hexagonal plastic framework; polyester wrapping tapes are wrapped outside the cable cores; LSZH low-smoke halogen-free sheath material is extruded outside the polyester wrapping belt to form the sheath. The utility model discloses this optical cable has advantages such as anti fire-retardant, the size is little, construction convenience, low cost, and fields such as 5G basic station, traffic monitoring equipment, the comprehensive business body and the family in this optical cable main application enterprise garden, this kind of photoelectric composite cable must become the important component part of communication industry.

Description

Flame-retardant photoelectric composite cable based on UTP6 type wire

Technical Field

The utility model relates to a based on fire-retardant photoelectric composite cable of UTP6 type line belongs to the wire and cable field.

Background

In the current 5G everything interconnected, a large data flow system has a large application market. Therefore, a composite cable is needed that can simultaneously provide audio signals, video signals and optical signals to satisfy the user's demand for large data traffic.

SUMMERY OF THE UTILITY MODEL

In order to meet the above needs, the utility model provides a based on fire-retardant photoelectric composite cable of UTP6 type line.

The scheme of the utility model is as follows: a flame-retardant photoelectric composite cable based on UTP6 type wires is characterized in that a cable core is formed by combining four pairs of data cable wires, two flexible optical cables and a hexagonal plastic framework; polyester wrapping tapes are wrapped outside the cable core; the polyester lapped belt is extruded with LSZH low-smoke halogen-free sheathing compound to form a sheath;

the four pairs of data cables are divided into a first pair of data cables, a second pair of data cables, a third pair of data cables and a fourth pair of data cables; the data cable is formed by extruding an insulating layer outside a copper conductor;

the soft optical cable consists of optical fibers, a tight sleeve layer, an aramid fiber reinforced layer and an outer sheath; the optical fiber is provided with a tight sleeve layer made of low-smoke halogen-free flame-retardant polyolefin material; an aramid fiber reinforced layer is arranged outside the tight sleeve layer, and an outer sheath made of ceramic polyolefin material is arranged outside the reinforced layer;

the hexagonal plastic framework is positioned in the center of the cable, the four pairs of data cables and the two flexible optical cables are respectively arranged in each fan-shaped interval of the hexagonal plastic framework, and the four pairs of data cables and the two flexible optical cables are arranged according to the sequence of two pairs of data cables and one flexible optical cable

The data cable line is a UTP6 data cable line.

Further, the thickness of the polyester wrapping tape is 0.4 mm.

Further, the thickness of the sheath is 1.5 mm.

Further, the fan-shaped interval internal surface of hexagonal plastic skeleton on set up the arc recess, with place the cable surface laminating in fan-shaped interval.

Further, the aramid fiber specification is 3000D.

The utility model discloses this optical cable has advantages such as anti fire-retardant, the size is little, construction convenience, low cost, and fields such as 5G basic station, traffic monitoring equipment, the comprehensive business body and the family in this optical cable main application enterprise garden, this kind of photoelectric composite cable must become the important component part of communication industry.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the hexagonal plastic frame of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the UTP 6-type wire-based flame-retardant photoelectric composite cable comprises four pairs of UTP 6-type data cable wires, two flexible optical cables and a hexagonal plastic skeleton 1; the cable core is externally wrapped with a polyester wrapping tape 2 with the thickness of 0.4 mm; extruding LSZH low-smoke halogen-free sheath material outside the polyester wrapping tape 2 to form a sheath 3 with the thickness of 1.5 mm; the four pairs of data cables are divided into a first pair of data cables 4, a second pair of data cables 5, a third pair of data cables 6 and a fourth pair of data cables 7; the data cable wires are all formed by extruding an insulating layer 9 outside a copper conductor 8; the soft optical cable is composed of an optical fiber 10, a tight sleeve layer 11, an aramid fiber reinforced layer 12 and an outer sheath 13; a tight-sleeve layer 11 made of low-smoke halogen-free flame-retardant polyolefin material is arranged outside the optical fiber 10; an aramid fiber reinforced layer 12 with the specification of 3000D is arranged outside the tight sleeve layer 11, and an outer sheath 13 made of ceramic polyolefin material is arranged outside the aramid fiber reinforced layer 12.

The utility model discloses a hexagonal plastic skeleton is located the cable center, four pairs of data cable conductor, two soft optical cables set up respectively in every fan-shaped interval of hexagonal plastic skeleton position, arrange the setting according to the order of two pairs of data cable conductor, a soft optical cable. As shown in fig. 2, arc-shaped grooves 14 are formed in the inner surfaces of the fan-shaped intervals of the hexagonal plastic frameworks and are attached to the surfaces of the cables placed in the fan-shaped intervals, so that vibration of the cables during dragging is reduced.

The cable core structure of the photoelectric composite cable is formed by combining 4 pairs of UTP6 data cable pairs, 2 flexible optical cables with 3.0 and a hexagonal plastic framework, wherein the flexible optical cables consist of 0.9 tight-sleeved optical cables, aramid yarns with the specification of 3000D and the number of 4 LSZH flame-retardant sheaths; the UTP6 data cable is formed by twisting 2 copper conductors and an insulating sheath; the hexagonal plastic framework realizes effective separation of the data cable and the flexible optical cable according to a proper twisting pitch moment to ensure crosstalk performance between the wire pairs. And a polyester wrapping tape with the thickness of 0.4mm is wrapped outside the cable core, and then an LSZH low-smoke halogen-free sheath material with the thickness of 1.5mm is extruded. The limit oxygen index of the LSZH low-smoke halogen-free sheath material can reach 33 percent, the UL94 vertical combustion reaches V0 level, the density of flame and flameless smoke is very low, and the ROHS environmental protection requirement can be met.

Although specific embodiments of the present invention have been described and illustrated in detail, it should be understood that various equivalent changes and modifications can be made to the above embodiments in accordance with the present invention, and the functional effects thereof without departing from the spirit of the present invention are also within the scope of the present invention.

Claims

1. A flame-retardant photoelectric composite cable based on UTP 6-type wires is characterized in that a cable core is formed by combining four pairs of data cable wires, two flexible optical cables and a hexagonal plastic framework; polyester wrapping tapes are wrapped outside the cable core; the LSZH low-smoke halogen-free sheath material is extruded outside the polyester lapping tape to form a sheath;

the soft optical cable consists of optical fibers, a tight sleeve layer, an aramid fiber reinforced layer and an outer sheath; the optical fiber is externally provided with a tight-sleeve layer made of low-smoke halogen-free flame-retardant polyolefin material; an aramid fiber reinforced layer is arranged outside the tight sleeve layer, and an outer sheath made of ceramic polyolefin material is arranged outside the aramid fiber reinforced layer;

the hexagonal plastic framework is positioned in the center of the cable, the four pairs of data cables and the two flexible optical cables are respectively arranged in each sector interval of the hexagonal plastic framework and are arranged according to the sequence of the two pairs of data cables and the one flexible optical cable;

the data cable line is a UTP6 data cable line.

2. The UTP 6-based wire flame retardant opto-electrical composite cable of claim 1 wherein the polyester tape has a thickness of 0.4 mm.

3. The UTP 6-based wire-flame retardant opto-electrical composite cable of claim 1 wherein the jacket thickness is 1.5 mm.

4. The UTP 6-based wire flame-retardant photoelectric composite cable according to claim 1, wherein the inner surface of the fan-shaped interval of the hexagonal plastic framework is provided with an arc-shaped groove which is attached to the surface of the cable placed in the fan-shaped interval.

5. The UTP 6-based wire-flame retardant photoelectric composite cable of claim 1, wherein the aramid fiber gauge is 3000D.