CN215770644U

CN215770644U - Environment-friendly flame-retardant indoor composite optical cable

Info

Publication number: CN215770644U
Application number: CN202121433152.2U
Authority: CN
Inventors: 马建强
Original assignee: Hangzhou Df Cable Co ltd
Current assignee: Hangzhou Df Cable Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-02-08
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses an environment-friendly flame-retardant indoor composite optical cable which comprises an environment-friendly flame-retardant sheath layer and twisted pairs, wherein a chamfer is fixedly arranged on one side of an opening of the environment-friendly flame-retardant sheath layer, a plurality of hole grooves are uniformly formed in the outer surface of the environment-friendly flame-retardant sheath layer, which is positioned on the same side with the chamfer, an insulating layer is clamped inside the environment-friendly flame-retardant sheath layer, an inner protective layer is clamped on the inner wall of the insulating layer, four single-mode optical fibers are uniformly clamped on the inner wall of the inner protective layer, a non-metal reinforcing core is clamped between the four single-mode optical fibers, four grooves are uniformly formed in the outer surface of the inner protective layer, and the twisted pairs are clamped on the inner wall of each groove. The environment-friendly flame-retardant low-smoke halogen-free sheath material is adopted for the environment-friendly flame-retardant sheath layer and the inner protection layer, and has double-layer protection and excellent flame-retardant performance.

Description

Environment-friendly flame-retardant indoor composite optical cable

Technical Field

The utility model relates to the technical field of communication, in particular to an environment-friendly flame-retardant indoor composite optical cable.

Background

With the rapid development of computer technology and networks, people pursue faster network speed, the optical fiber is rapidly developed to the home, the digital communication technology is rapidly developed, digital communication cables and optical fibers are widely applied to computer local area networks and regional data exchange network systems, indoor optical cables are more and more used, and the indoor optical cables gradually enter the homes of common users. The traditional digital communication cable and the optical cable are separated to enter a home, need secondary wiring, occupy more wiring space, are slow in construction process and increase resource cost.

However, since most of the optical cables and the electric cables are separated, the optical cables and the electric cables need to be separately wired during construction, which wastes manpower and material resources. In addition, the optical cable and the electric cable are combined into a whole, but the operation is inconvenient when the optical cable needs less joints because the optical cable needs more joints and the optical cable needs less joints during construction; therefore, the existing requirements are not met, and an environment-friendly flame-retardant indoor composite optical cable is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an environment-friendly flame-retardant indoor composite optical cable, which aims to solve the problem that most of the optical cables and the electric cables proposed in the background technology are separated, so that during construction, the optical cables and the electric cables need to be respectively wired and constructed, and manpower and material resources are wasted. In addition, there is a problem that the optical cable and the electric cable are combined into one, but the optical cable needs a lot of joints during construction, and the optical cable needs a few joints, so that the operation is inconvenient during jointing.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an indoor compound optical cable that uses of environmental protection is fire-retardant, includes fire-retardant restrictive coating of environmental protection and twisted pair wire, fire-retardant restrictive coating of environmental protection opening one side fixed mounting has the corner cut, the fire-retardant restrictive coating of environmental protection lies in evenly being provided with a plurality of hole grooves with the surface of one side with the corner cut, the inside card of the fire-retardant restrictive coating of environmental protection has the insulating layer, the inner wall card of insulating layer has interior sheath, the inner wall of interior sheath evenly blocks has four single mode fiber, four the middle card of single mode fiber has nonmetal reinforcing core.

Preferably, the outer surface of the inner sheath layer is uniformly provided with four grooves, and the inner walls of the grooves are clamped with twisted pairs.

Preferably, single mode fiber's the surface all cladding has the strenghthened type aramid yarn, single mode fiber's surface and the inner wall laminating of interior sheath.

Preferably, the outer surface cladding of nonmetal reinforced core has the glass fiber layer, and the surface on glass fiber layer evenly is provided with four latches, the surface laminating of latch's surface and single mode fiber's surface.

Preferably, sharp-angled grooves are symmetrically arranged between the two insulating layers, and the outer surfaces of the sharp angles are clamped in the inner walls of the sharp-angled grooves.

Preferably, water blocking yarns are arranged in a gap between the single mode fiber and the inner protective layer and a gap between the twisted pair, the groove and the inner wall of the insulating layer.

Compared with the prior art, the utility model has the beneficial effects that: this fire-retardant indoor composite optical cable of using of environmental protection through setting up interior sheath for the structure is more stable, very big improvement each item performance of copper cable, the fire-retardant sheath layer of environmental protection, interior sheath all adopt the fire-retardant low smoke and zero halogen sheathing material of environmental protection, and double-deck protection has splendid fire behaviour.

Drawings

FIG. 1 is a front view of the present invention in its entirety;

FIG. 2 is a schematic structural view of the present invention as a whole;

FIG. 3 is a schematic top view of the environment-friendly flame-retardant sheath layer according to the present invention;

FIG. 4 is a top view of an insulating layer and an internal structure according to the present invention.

In the figure: 1. an environment-friendly flame-retardant sheath layer; 2. an insulating layer; 3. an inner protective layer; 4. pairing the stranded wires; 5. a single mode optical fiber; 6. a non-metallic reinforcement core; 7. clamping teeth; 8. cutting corners; 9. a hole groove; 10. reinforced aramid yarn.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an indoor compound optical cable that uses of environmental protection is fire-retardant, including the fire-retardant restrictive coating of environmental protection 1 and to stranded

conductor

4, 1 opening one side fixed mounting of the fire-retardant restrictive coating of environmental protection has corner cut 8, the fire-retardant restrictive coating of environmental protection 1 evenly is provided with a plurality of hole grooves 9 with the surface of corner cut 8 lieing in same one side, the inside card of the fire-retardant restrictive coating of environmental protection 1 has insulating layer 2, the inner wall card of insulating layer 2 has interior sheath 3, the even card of the inner wall of interior sheath 3 has four single mode fiber 5, the middle card of four single mode fiber 5 has nonmetal core 6 of strengthening.

In the utility model: the outer surface of the inner sheath 3 is evenly provided with four grooves, and the inner walls of the grooves are clamped with twisted pairs 4.

In the utility model: the surface of single mode fiber 5 all has cladding strenghthened type aramid yarn 10, and single mode fiber 5's surface and the inner wall laminating of interior sheath 3, strenghthened type aramid yarn 10 play protection and cushioning effect.

In the utility model: the outer surface cladding of nonmetal reinforced core 6 has the glass fiber layer, and the surface on glass fiber layer evenly is provided with four latch 7, and the surface of latch 7 is laminated with single mode fiber 5's surface.

In the utility model: sharp-angled grooves are symmetrically arranged between the two insulating layers 2, and the outer surfaces of the cutting corners 8 are clamped in the inner walls of the sharp-angled grooves, so that the cutting edges are convenient to tear and peel during construction.

In the utility model: the gaps between the single-mode optical fibers 5 and the inner protective layer 3 and between the twisted pairs 4 and the inner walls of the grooves and the insulating layers 2 are provided with water-blocking yarns, so that the waterproof performance is improved.

The working principle is as follows: during the use, carry out the unified wiring through the fire-retardant restrictive coating of environmental protection 1 to the inside copper cable that contains during laying, can tear two fire-retardant restrictive coatings of environmental protection 1 through corner cut 8 when needing to distinguish, on having remain the basis of the splendid transmission performance of optical cable and digital communication cable, adopt the integral type design, save the wiring space, it is convenient, swift to lay, the installation work load is little, also can make preparation in advance for upgrading and upgrading, need not repeated construction, can satisfy different demands.

In summary, the following steps: through setting up interior sheath 3 for the structure is more stable, very big improvement each item performance of copper cable, and fire-retardant low smoke and zero halogen sheathing material of environmental protection is all adopted to fire-retardant restrictive coating 1 of environmental protection, interior sheath 3, and double-deck protection has splendid fire behaviour.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an indoor compound optical cable that uses of environmental protection is fire-retardant, includes fire-retardant restrictive coating of environmental protection (1) and twisted pair line (4), its characterized in that: flame-retardant restrictive coating of environmental protection (1) opening one side fixed mounting has corner cut (8), flame-retardant restrictive coating of environmental protection (1) and corner cut (8) lie in surface with one side evenly to be provided with a plurality of hole grooves (9), the inside card of the flame-retardant restrictive coating of environmental protection (1) has insulating layer (2), the inner wall card of insulating layer (2) has interior sheath (3), the even card of inner wall of interior sheath (3) has four single mode fiber (5), four the centre card of single mode fiber (5) has nonmetal reinforcing core (6).

2. The environment-friendly flame-retardant indoor composite optical cable according to claim 1, characterized in that: the outer surface of the inner protection layer (3) is evenly provided with four grooves, and the inner walls of the grooves are clamped with twisted pairs (4).

3. The environment-friendly flame-retardant indoor composite optical cable according to claim 1, characterized in that: the outer surface of single mode fiber (5) all has cladding strenghthened type aramid yarn (10), the outer surface of single mode fiber (5) and the inner wall laminating of interior sheath (3).

4. The environment-friendly flame-retardant indoor composite optical cable according to claim 1, characterized in that: the outer surface cladding of nonmetal reinforced core (6) has the glass fiber layer, and the surface on glass fiber layer evenly is provided with four latch (7), the surface laminating of the surface of latch (7) and single mode fiber (5).

5. The environment-friendly flame-retardant indoor composite optical cable according to claim 1, characterized in that: sharp-angled grooves are symmetrically arranged between the two insulating layers (2), and the outer surfaces of the cutting angles (8) are clamped in the inner walls of the sharp-angled grooves.

6. The environment-friendly flame-retardant indoor composite optical cable according to claim 1, characterized in that: and water-blocking yarns are arranged in a gap between the single-mode optical fiber (5) and the inner protective layer (3) and a gap between the twisted pair (4) and the inner wall of the groove and the insulating layer (2).