CN218181930U

CN218181930U - Neutral zero-buoyancy optical fiber communication cable

Info

Publication number: CN218181930U
Application number: CN202222508444.9U
Authority: CN
Inventors: 陈明乐; 雷碧霞
Original assignee: Paide Cable Kunshan Co ltd
Current assignee: Paide Cable Kunshan Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-12-30
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a neutral zero buoyancy fiber communication cable relates to communication cable technical field. The single-mode optical fiber cable comprises two insulating PEs and a single-mode optical fiber, wherein a plurality of bare copper conductors are arranged inside the insulating PE, and an aluminum foil wrapping shielding layer is wrapped outside the two insulating PEs; single mode fiber's outside parcel has a spiral armor, and the outside of spiral armor is provided with a PVC material, and the aluminium foil has a non-woven fabrics around the outside parcel of package shielding layer and PVC material around the covering, and the aluminium foil is provided with the filling layer around the outside of package shielding layer and PVC material and be located the non-woven fabrics around the inside of covering. The utility model discloses a set up the filling layer, can make neutral zero buoyancy fiber communication cable's inside better to be filled, avoid neutral zero buoyancy fiber communication cable's inside not hard up, the filling layer can also improve neutral zero buoyancy fiber communication cable's stretch-proofing performance in addition to it is better to make neutral zero buoyancy fiber communication cable's stretch-proofing effect.

Description

Neutral zero-buoyancy optical fiber communication cable

Technical Field

The utility model belongs to the technical field of communication cable, especially, relate to a neutral zero buoyancy fiber communication cable.

Background

Optical fiber communication is called as short for, and the principle is that optical fibers are utilized to transmit signals so as to realize a communication mode of information transmission, and an optical fiber communication system in practical application uses an optical cable formed by gathering a plurality of optical fibers instead of a single optical fiber;

typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation;

at present, the zero buoyancy fiber communication cable of neutral that has now on the market does not set up the filling layer mostly to lead to inside not hard up, the stretch-proofing effect is relatively poor moreover, based on this, the utility model designs a zero buoyancy fiber communication cable of neutral to this, solves above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a neutral zero buoyancy fiber communication cable through setting up the filling layer, has solved current neutral zero buoyancy fiber communication cable and has mostly not set up the filling layer to lead to inside not hard up, the relatively poor problem of stretch-proofing effect moreover.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a neutral zero-buoyancy optical fiber communication cable, which comprises two insulating PEs and a single-mode optical fiber, wherein a plurality of bare copper conductors are arranged inside the insulating PE, and an aluminum foil wrapping shielding layer is wrapped outside the two insulating PEs;

the outside parcel of single mode fiber has a spiral armor, the outside of spiral armor is provided with a PVC material, the aluminium foil has a non-woven fabrics around the outside parcel of package shielding layer and PVC material around the covering, the aluminium foil just is located the non-woven fabrics around the inside of covering and is provided with the filling layer around the outside of package shielding layer and PVC material.

Further, the filling layer is a Kevlar filling layer.

Further, the filling layer is a PVC strip.

Further, the filling layer is a mixture of a Kevlar filling layer and a PVC strip.

Furthermore, the outside of the non-woven fabric wrapping layer is wrapped with a foaming layer.

Furthermore, the outer side of the foaming layer is wrapped with a flame-retardant layer, the outer side of the flame-retardant layer is provided with a high-temperature-resistant layer, the outer side of the high-temperature-resistant layer is provided with a stretching-resistant layer, and the outer side of the stretching-resistant layer is provided with an outer sheath.

The utility model discloses following beneficial effect has:

the utility model discloses a set up the filling layer, can make neutral zero buoyancy fiber communication cable's inside better to be filled, avoid neutral zero buoyancy fiber communication cable's inside not hard up, the filling layer can also improve neutral zero buoyancy fiber communication cable's stretch-proofing performance in addition to it is better to make neutral zero buoyancy fiber communication cable's stretch-proofing effect.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a neutral zero-buoyancy fiber optic communications cable;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a bare copper conductor; 2. insulating PE; 3. wrapping a shielding layer with aluminum foil; 4. a filling layer; 5. a non-woven fabric wrapping layer; 6. a foamed layer; 7. an outer sheath; 8. a single mode optical fiber; 9. a spiral armor layer; 10. PVC material.

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

First embodiment

Referring to fig. 1, the present invention relates to a neutral zero-buoyancy optical fiber communication cable, which includes two insulating PEs 2 and a single mode optical fiber 8, wherein a plurality of bare copper conductors 1 are disposed inside the insulating PEs 2, and an aluminum foil wrapping shielding layer 3 is wrapped outside the two insulating PEs 2;

the outer side of the single-mode optical fiber 8 is wrapped with a spiral armor layer 9, the outer side of the spiral armor layer 9 is provided with a PVC material 10, the outer sides of the aluminum foil wrapping shielding layer 3 and the PVC material 10 are wrapped with a non-woven fabric wrapping layer 5, the outer sides of the aluminum foil wrapping shielding layer 3 and the PVC material 10 are located inside the non-woven fabric wrapping layer 5 and are provided with a filling layer 4, the outer side of the non-woven fabric wrapping layer 5 is wrapped with a foaming layer 6, the outer side of the foaming layer 6 is wrapped with a flame retardant layer, the outer side of the flame retardant layer is provided with a high temperature resistant layer, the outer side of the high temperature resistant layer is provided with a tensile layer, and the outer side of the tensile layer is provided with an outer sheath 7;

the filling layer 4 is a Kevlar filling layer.

Second embodiment

the filling layer 4 is a PVC strip.

Third embodiment

the filling layer 4 is a mixture of Kevlar filling layer and PVC strips.

One specific application of this embodiment is: the utility model discloses a set up filling layer 4, can make neutral zero buoyancy optical fiber communication cable's inside better to be enriched, avoid neutral zero buoyancy optical fiber communication cable's inside not hard up, filling layer 4 can also improve neutral zero buoyancy optical fiber communication cable's stretch-proofing performance in addition to it is better to make neutral zero buoyancy optical fiber communication cable's stretch-proofing effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A neutral zero-buoyancy fiber optic communication cable, comprising: the single-mode optical fiber cable comprises two insulating PE (2) and a single-mode optical fiber (8), wherein a plurality of bare copper conductors (1) are arranged inside the insulating PE (2), and an aluminum foil lapping shielding layer (3) is wrapped on the outer sides of the two insulating PE (2);

the outside parcel of single mode fiber (8) has a spiral armor (9), the outside of spiral armor (9) is provided with a PVC material (10), the aluminium foil has a non-woven fabrics around covering (5) around the outside parcel of package shielding layer (3) and PVC material (10), the aluminium foil just is located the non-woven fabrics around the inside of covering (5) and is provided with filling layer (4) around the outside of package shielding layer (3) and PVC material (10).

2. A neutral zero-buoyancy fiber optic communication cable according to claim 1, wherein the filler layer (4) is a kevlar filler layer.

3. A neutral zero-buoyancy optical fiber communication cable according to claim 1, wherein the filling layer (4) is a PVC strip.

4. A neutral zero-buoyancy optical fiber communication cable according to claim 1, wherein the filling layer (4) is a mixture of kevlar filling layer and PVC strips.

5. A neutral zero-buoyancy optical fiber communication cable according to claim 1, wherein the non-woven fabric wrapping layer (5) is wrapped with a foaming layer (6).

6. A neutral zero-buoyancy optical fiber communication cable according to claim 5, wherein the foaming layer (6) is wrapped with a flame-retardant layer, a high-temperature resistant layer is arranged on the outer side of the flame-retardant layer, a tensile layer is arranged on the outer side of the high-temperature resistant layer, and an outer sheath (7) is arranged on the outer side of the tensile layer.