CN209895052U

CN209895052U - Optical cable with bundle-shaped structure and reelable netted optical fiber ribbon

Info

Publication number: CN209895052U
Application number: CN201920903114.5U
Authority: CN
Inventors: 李云峰
Original assignee: Shanghai Yangan Optics Co Ltd
Current assignee: Shanghai Yangan Optics Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-01-03
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a netted optical fiber ribbon optical cable can be convoluteed to beam-like structure, including can convoluteing netted optical fiber ribbon, can convolute the netted optical fiber ribbon outside and be provided with the oversheath, can convolute netted optical fiber ribbon arranges through the bonding sticky tape by many colored optic fibre and connect and form, be provided with the aramid fiber reinforcement between oversheath and the reelable netted optical fiber ribbon, can convolute the netted optical fiber ribbon outside and set up first enhancement layer, and aramid fiber reinforcement fills and sets up in first enhancement layer, the first enhancement layer outside is provided with first buffer layer, the first buffer layer outside is provided with fire-retardant layer, fire-retardant layer outside is provided with the water blocking layer, first enhancement layer, first buffer layer, fire-retardant layer and water blocking layer set up between reelable netted optical fiber ribbon and oversheath. The utility model discloses a meshy optical fiber ribbon optical cable can be convoluteed to fasciculation meshy optical fiber ribbon is subunit, uses aramid fiber reinforcement as its enhancement original paper, and the oversheath has fire-retardant performance and forms.

Description

Optical cable with bundle-shaped structure and reelable netted optical fiber ribbon

Technical Field

The utility model relates to a physics field especially relates to optical signal transmission technique, in particular to optical cable, and it can convolute netted optical fiber ribbon optical cable specifically to be a beam structure.

Background

With the increasing demand of users for information, the development of user access networks is accelerated. In order to realize multimedia of user terminals, the construction of optical fiber user access networks is actively carried out in various domestic big cities. Generally, the construction of the fiber-optic subscriber access network is to implement fiber-to-the-road (FTTC), fiber-to-the-building (FTTB), and then gradually implement fiber-to-the-home (FTTH) and fiber-to-the-desktop (FTTD).

As is known, the construction of the optical fiber user access network is characterized by large investment and difficult construction. For economically and rapidly constructing the optical fiber user access network, people are in the process of researching and developing optical fiber ribbons, optical cables with high density, small diameter and light weight, multi-fiber splicing technology and equipment

The existing optical fiber ribbons are flat, the manufactured optical fiber ribbon optical cables are also flat generally, and the flat optical cables are limited by the shapes of the flat optical cables, so that the existing pipeline space cannot be effectively utilized; or the optical cable is a circular optical fiber ribbon optical cable, and the flat optical fiber ribbon is arranged in the structure, but the outer diameter of the optical fiber ribbon is too large, so that the optical fiber ribbon optical cable is not beneficial to installation and construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a beam structure can convolute netted optical fiber ribbon 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 netted optical fiber ribbon optical cable can be convoluteed to beam-like structure, including can convoluteing netted optical fiber ribbon, can convolute the netted optical fiber ribbon outside and be provided with the oversheath, can convolute netted optical fiber ribbon arranges the connection by many colored optic fibre and forms, the oversheath with can convolute and be provided with aramid fiber reinforcement between the netted optical fiber ribbon, can convolute the netted optical fiber ribbon outside and set up first enhancement layer, and aramid fiber reinforcement fills and sets up in first enhancement layer, the first enhancement layer outside is provided with first buffer layer, the first buffer layer outside is provided with fire-retardant layer, fire-retardant layer outside is provided with the water blocking layer, first enhancement layer, first buffer layer, fire-retardant layer and water blocking layer set up between netted optical fiber ribbon and the oversheath.

Preferably, the outer side of the colored optical fiber is provided with an optical fiber outer sheath, the inner side of the optical fiber outer sheath is provided with a second buffer layer, the inner side of the second buffer layer is provided with a second reinforcing layer, and the second reinforcing layer, the second buffer layer and the optical fiber outer sheath are compacted into an integral structure.

Preferably, the inner side of the first reinforcing layer is provided with a tearing rope, and the tearing rope is closely attached to the inner side of the first reinforcing layer.

Preferably, the wear-resistant layer and the outer sheath are compacted into an integral structure, and a plurality of night light bars are bonded on the outer side of the wear-resistant layer.

Preferably, a piece of adhesive tape is disposed equidistantly between every two colored optical fibers.

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

1. the utility model discloses a bunched reelable netted optical fiber ribbon optical cable, which uses reelable netted optical fiber ribbon as a subunit, uses aramid fiber reinforcement as the reinforcing element, the outer sheath has flame retardant property, and reelable netted optical fiber ribbon is arranged by a plurality of colored optical fibers, every 2 adjacent colored optical fibers are bonded and solidified through the adhesive tape at intervals (only the connection point is bonded and solidified); the optical fiber ribbon can be conveniently spliced, and can form a beam shape with the minimum outer diameter, thereby effectively achieving ultrahigh density, reducing the cost of optical cables and engineering installation, and easily distinguishing the color and the mark of the colored optical fiber;

2. when the bunched reelable reticular optical fiber ribbon optical cable is used, the reelable reticular optical fiber ribbon can be changed into a flat shape after the outer sheath is stripped, the very effective high-density integrated structure is more convenient for subsequent operation, the space is more saved, the bunched reelable reticular optical fiber ribbon optical cable is more reasonable and effective in shape, the ultrahigh density is very effectively achieved, the subsequent optical cable is more miniaturized, the optical cable cost is saved, and the pipeline space is also saved;

3. the first reinforcing layer, the first buffer layer, the flame-retardant layer and the water-blocking layer are arranged between the outer sheath and the reelable reticular optical fiber ribbon, so that the strength, the buffer performance, the flame-retardant performance and the water-blocking performance are improved, and the reelable reticular optical fiber ribbon in the outer sheath is protected.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a colored optical fiber according to the present invention;

FIG. 3 is an expanded view of a rollable ribbon in accordance with the present invention;

fig. 4 is a connection diagram of the rollable mesh optical fiber ribbon of the present invention.

In the figure: 1. an outer sheath; 2. a coilable mesh optical fiber ribbon; 3. an aramid reinforcement; 4. coloring the optical fiber; 41. an optical fiber outer sheath; 42. a second reinforcing layer; 43. a second buffer layer; 5. a first reinforcing layer; 6. a first buffer layer; 7. a flame retardant layer; 8. a water resistant layer; 9. a wear layer; 10. tearing the rope; 11. bonding an adhesive tape; 12. a night light bar.

Detailed Description

The technical solution 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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a bundle-shaped optical cable with a reelable reticular optical fiber ribbon comprises a reelable reticular optical fiber ribbon 2, an outer sheath 1 is arranged outside the reelable reticular optical fiber ribbon 2, the reelable reticular optical fiber ribbon 2 is formed by arranging and connecting a plurality of colored optical fibers 4 through the adhesive tape 11, the aramid fiber reinforcement 3 is arranged between the outer sheath 1 and the reelable reticular optical fiber ribbon 2, the aramid fiber reinforcement 3 has flame retardance and excellent tensile property, can convolute netted optical fiber ribbon 2 outside and set up first enhancement layer 5, and aramid fiber reinforcement 3 fills and sets up in first enhancement layer 5, the 5 outside of first enhancement layer is provided with first buffer layer 6, the 6 outside of first buffer layer is provided with fire-retardant layer 7, the 7 outside of fire-retardant layer is provided with waterproofing layer 8, first enhancement layer 5, first buffer layer 6, fire-retardant layer 7 and waterproofing layer 8 set up and can convolute between netted optical fiber ribbon 2 and oversheath 1, and the outside of oversheath 1 is provided with wearing layer 9. The utility model discloses a meshy optical fiber ribbon optical cable can be convoluteed to the bundle form, to can convolute meshy optical fiber ribbon be subunit, use aramid fiber reinforcement as its enhancement original paper, the oversheath has fire-retardant performance and forms, and can convolute meshy optical fiber ribbon and arrange by many colored optical fiber again, the solidification of gluing through the bonding sticky tape of the interval nature of every 2 adjacent colored optical fiber, make the optical fiber ribbon conveniently continue to connect, can form minimum external diameter bundle form again, very effectual super high density that reaches, optical cable and engineering installation cost have been reduced, colored optical fiber's colour and mark easily differentiation.

An optical fiber outer sheath 41 is arranged outside the colored optical fiber 4, a second buffer layer 43 is arranged inside the optical fiber outer sheath 41, a second reinforcing layer 42 is arranged inside the second buffer layer 43, and the second reinforcing layer 42, the second buffer layer 43 and the optical fiber outer sheath 41 are compacted into an integral structure. The second reinforcing layer 42 and the second buffer layer 43 provided between the optical fiber outer sheath 41 and the colored optical fiber 4 increase the strength and the buffering performance of the colored optical fiber 4, and protect the colored optical fiber within the optical fiber outer sheath 41.

The inner side of the first reinforcing layer 5 is provided with a tearing rope 10, the tearing rope 10 is arranged along the inner side of the first reinforcing layer 5 in a clinging manner, and the tearing rope 10 is convenient for tearing the first reinforcing layer 5, the first buffer layer 6, the flame-retardant layer 7, the water-resistant layer 8 and the outer sheath 1.

The abrasion-resistant layer 9 and the outer sheath 1 are compacted into an integral structure, a plurality of night light bars 12 are bonded on the outer side of the abrasion-resistant layer 9, and the night light bars 12 give out light at night remind the position of the reelable reticular optical fiber ribbon.

A piece of adhesive tape 11 is arranged between every two colored optical fibers 4 at equal intervals, and 2 adjacent colored optical fibers 4 are bonded and cured (only the connection points are bonded and cured) at intervals through the adhesive tape 11; the optical fiber ribbon can be conveniently spliced, can form a beam shape with the minimum outer diameter, effectively achieves ultrahigh density, and reduces the optical cable and engineering installation cost.

The working principle is as follows: during the use, through bonding sticky tape 11 2 adjacent colored optic fibre 4 interval nature carry out the bonding solidification, make colored optic fibre 4 area can make things convenient for continuous connecing, can form the meshy optic fibre area 2 of can twining of minimum external diameter beam form again, 2 outsides at the meshy optic fibre area of can coiling set gradually first enhancement layer 5, first buffer layer 6, fire-retardant layer 7 and water blocking layer 8, set up oversheath 1 again, 3 parcel meshy optic fibre areas 2 of can coiling of aramid fiber reinforcement, then set up in first enhancement layer 5, set up wearing layer 9 in the outside of oversheath 1, bonding night strip 12, make things convenient for night strip 12 luminous, remind this position of the meshy optic fibre area of can coiling.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bundle-structured rollable mesh optical fiber ribbon cable comprising a rollable mesh optical fiber ribbon (2), characterized in that: an outer sheath (1) is arranged on the outer side of the reelable reticular optical fiber ribbon (2), the reelable reticular optical fiber ribbon (2) is formed by arranging and connecting a plurality of colored optical fibers (4) through adhesive tapes (11), an aramid fiber reinforcement (3) is arranged between the outer sheath (1) and the reelable reticular optical fiber ribbon (2), can convolute netted optical fiber ribbon (2) outside and be provided with first enhancement layer (5), and aramid fiber reinforcement (3) are filled and are set up in first enhancement layer (5), first enhancement layer (5) outside is provided with first buffer layer (6), first buffer layer (6) outside is provided with fire-retardant layer (7), fire-retardant layer (7) outside is provided with water blocking layer (8), first enhancement layer (5), first buffer layer (6), fire-retardant layer (7) and water blocking layer (8) set up can convolute between netted optical fiber ribbon (2) and oversheath (1), and the outside of oversheath (1) is provided with wearing layer (9).

2. The bundle-like structure coilable mesh fiber optic ribbon cable of claim 1, wherein: an optical fiber outer sheath (41) is arranged on the outer side of the colored optical fiber (4), a second buffer layer (43) is arranged on the inner side of the optical fiber outer sheath (41), a second reinforcing layer (42) is arranged on the inner side of the second buffer layer (43), and the second reinforcing layer (42), the second buffer layer (43) and the optical fiber outer sheath (41) are compacted into an integral structure.

3. The bundle-like structure coilable mesh fiber optic ribbon cable of claim 1, wherein: the inner side of the first reinforcing layer (5) is provided with a tearing rope (10), and the tearing rope (10) is closely attached to the inner side of the first reinforcing layer (5).

4. The bundle-like structure coilable mesh fiber optic ribbon cable of claim 1, wherein: the wear-resistant layer (9) and the outer sheath (1) are compacted into an integral structure, and a plurality of luminous strips (12) are bonded on the outer side of the wear-resistant layer (9).

5. The bundle-like structure coilable mesh fiber optic ribbon cable of claim 1, wherein: a piece of adhesive tape (11) is arranged between every two colored optical fibers (4) at equal distance.