CN218524924U

CN218524924U - Fireproof optical cable

Info

Publication number: CN218524924U
Application number: CN202221833413.4U
Authority: CN
Inventors: 俞兴明; 王洁; 李寰; 梅彩
Original assignee: Suzhou Shengxin Optoelectronics Technology Co ltd
Current assignee: Suzhou Shengxin Optoelectronics Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-02-24
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a fire prevention type optical cable, including the optical cable body, the optical cable body includes the flame retardant coating in the outside, the flame retardant coating in situ is fixed with the inoxidizing coating, the inoxidizing coating intermediate position is fixed with the reinforcement, the reinforcement outside still is fixed with multiunit optical cable beam tube, pack in addition between optical cable beam tube and the reinforcement and protect intraformational glass fiber cotton wool, the utility model discloses simple structure can effectively improve the fire behavior of optical cable, can bring the facility for optical cable technical field.

Description

Fireproof optical cable

Technical Field

The utility model relates to an optical cable technical field specifically is a fire prevention type optical cable.

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 surrounding jacket as a transmission medium and are telecommunication cable assemblies that may be used individually or in groups. The optical cable is mainly composed of optical fibers (the diameter of the optical fibers is 250 mu m), a plastic protective sleeve and a plastic outer skin, and a steel wire and a steel belt or an aluminum belt are arranged in the optical cable. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. However, the existing optical cable has poor fireproof effect, and is easy to damage due to the lack of a protection device at the butt joint of the optical cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention type optical cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fire prevention type optical cable, includes the optical cable body, the optical cable body includes the flame retardant coating in the outside, the flame retardant coating internal fixation has the inoxidizing coating, the inoxidizing coating intermediate position is fixed with the reinforcement, the reinforcement outside still is fixed with multiunit fiber bundle pipe, pack the intraformational glass fiber cotton wool in the protection in addition between fiber bundle pipe and the reinforcement. Through filling the glass fiber cotton wool, can improve the fire prevention insulating properties of optical cable body, carry out better protection to the optical cable bundle pipe.

Preferably, the flame retardant coating is multilayer structure, including the inboard third fire prevention layer, the third fire prevention layer outside is fixed with the second flame retardant coating, the second flame retardant coating outside is provided with first flame retardant coating.

Preferably, the third flame retardant coating is made by the mineral wool material, and the mineral wool material matter is light, the melting point is high, has fine fire prevention flame retardant efficiency, the second flame retardant coating is made by carbon fiber material, and is fire-resistant high temperature resistant, corrosion-resistant, improves the intensity of flame retardant coating, first flame retardant coating is low smoke and zero halogen fire-retardant olefin plastics, first flame retardant coating evenly adheres to second flame retardant coating surface.

Through the flame retardant coating that sets up multilayer structure, can improve the fire prevention effect of optical cable.

Preferably, the protective layer is of a double-layer structure and comprises an outer protective layer on the outer side, and an inner protective layer is fixed on the inner side of the outer protective layer, so that the protective effect is more excellent.

Preferably, the outer protective layer is a stainless steel woven mesh pipe, so that the strength of the optical cable body can be improved, and the optical cable bundle pipe can be protected; the inner protective layer is made of polyvinyl chloride materials, has good flame retardance, can further improve the fireproof performance of the optical cable body, has toughness and can protect the optical cable bundle.

Through the protective layer that sets up bilayer structure, the protection optical cable bundle pipe that can be better.

Compared with the prior art, the beneficial effects of the utility model are that: the fireproof effect of the optical cable can be improved by arranging the fireproof layer; the optical cable can be protected by arranging the protective layer; the utility model discloses simple structure can effectively improve the fire behavior of optical cable, can facilitate for optical cable technical field.

Drawings

Fig. 1 is an enlarged cross-sectional view of a side surface of a fire-proof optical cable.

In the figure: 1-optical cable bundle pipe, 11-optical cable body, 2-fire-proof layer, 21-first fire-proof layer, 22-second fire-proof layer, 23-third fire-proof layer, 3-protective layer, 31-outer protective layer, 32-inner protective layer, 4-reinforcing member and 5-glass fiber cotton wool.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1, the fireproof optical cable comprises an optical cable body 11, wherein the optical cable body 11 comprises a fireproof layer 2 on the outer side, a protective layer 3 is fixed in the fireproof layer 2, a reinforcing member 4 is fixed in the middle of the protective layer 3, a plurality of groups of optical cable bundle tubes 1 are fixed on the outer side of the reinforcing member 4, and glass fiber cotton wool 5 filled in the protective layer 3 is filled between the optical cable bundle tubes 1 and the reinforcing member 4.

The flame retardant coating 2 is multilayer structure, including inboard third fire prevention layer 23, and the third fire prevention layer 23 outside is fixed with second flame retardant coating 22, and the second flame retardant coating 22 outside is provided with first flame retardant coating 21.

Third flame retardant coating 23 is made by the mineral wool material, and second flame retardant coating 22 is made by carbon fiber material, and first flame retardant coating 21 is the fire-retardant olefin plastics of low smoke and zero halogen, and first flame retardant coating 21 evenly adheres to at second flame retardant coating 22 surface. The third fireproof layer 23 made of mineral wool material is light in weight, high in melting point and good in fireproof and flame-retardant effects; the second protective layer 22 made of the carbon fiber material is fire-resistant, high-temperature-resistant and corrosion-resistant, the strength of the fireproof layer 2 is improved, and the first fireproof layer 21 made of the low-smoke halogen-free flame-retardant olefin plastic can further improve the fire resistance of the protective layer.

The protective layer 3 is a double-layer structure, and comprises an outer protective layer 31 on the outer side, and an inner protective layer 32 fixed on the inner side of the outer protective layer 31. The outer protective layer 31 is a stainless steel woven mesh pipe; the inner protective layer 32 is made of a polyvinyl chloride material.

Through setting up the outer inoxidizing coating 31 that the stainless steel woven mesh pipe was made, can improve the intensity of optical cable body 11, through can protecting optical cable bundle pipe 1, the interior inoxidizing coating 32 that polyvinyl chloride made has good fire resistance, can further improve optical cable body 11's fire behavior, has toughness simultaneously, can give and protect optical cable bundle pipe 1.

In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for the convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.

Claims

1. The utility model provides a fire prevention type optical cable, includes optical cable body (11), its characterized in that: optical cable body (11) are including flame retardant coating (2) in the outside, flame retardant coating (2) internal fixation has inoxidizing coating (3), inoxidizing coating (3) intermediate position is fixed with reinforcement (4), reinforcement (4) outside still is fixed with multiunit optical cable bundle pipe (1), glass fiber cotton wool (5) of packing in inoxidizing coating (3) in addition between optical cable bundle pipe (1) and reinforcement (4).

2. A fire-resistant optical cable according to claim 1, wherein: the flame retardant coating (2) is multilayer structure, including inboard third fire prevention layer (23), third fire prevention layer (23) outside is fixed with second flame retardant coating (22), second flame retardant coating (22) outside is provided with first flame retardant coating (21).

3. A fire-resistant optical cable according to claim 2, wherein: third flame retardant coating (23) are made by the mineral wool material, second flame retardant coating (22) are made by carbon fiber material, first flame retardant coating (21) are low smoke and zero halogen flame retardant olefin plastics.

4. A fire-resistant optical cable according to claim 3, wherein: the protective layer (3) is of a double-layer structure and comprises an outer protective layer (31) on the outer side, and an inner protective layer (32) is fixed on the inner side of the outer protective layer (31).

5. The flameproof optical cable of claim 4, wherein: the outer protective layer (31) is a stainless steel woven mesh pipe.

6. The flameproof optical cable of claim 5, wherein: the inner protective layer (32) is made of polyvinyl chloride material.