CN215181096U

CN215181096U - Multipurpose branch optical cable with dampproofing function

Info

Publication number: CN215181096U
Application number: CN202121470146.4U
Authority: CN
Inventors: 曾晓辉; 赵岭
Original assignee: Anhui Tongling City Tongdou Special Cable Co ltd
Current assignee: Anhui Tongling City Tongdou Special Cable Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-14
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a multipurpose branch optical cable with moisture-proof function, belonging to the moisture-proof optical cable field, comprising an outer protective layer, wherein a first waterproof layer is arranged in the outer protective layer, a filling layer is arranged in the first waterproof layer, a second waterproof layer is arranged in the filling layer, a first buffer layer is arranged in the second waterproof layer, a second buffer layer is arranged in the first buffer layer, a plurality of optical fibers distributed circumferentially are arranged between the first buffer layer and the second buffer layer, and a support steel wire rope is arranged in the second buffer layer; the first waterproof layer comprises a first wavy ring, the outer wall of the first wavy ring is wavy, a second wavy ring is arranged outside the first wavy ring, the inner wall of the second wavy ring is wavy to be attached to the outer wall of the first wavy ring, and an alumina hydrophobic film is arranged between the second wavy ring and the first wavy ring. The characteristic through the hydrophobic membrane of aluminium oxide can effectual protection optical fiber, improves the life of optical cable, can overcome the too smooth problem of shining into the material separation easily of the hydrophobic membrane of aluminium oxide simultaneously through setting up wavy surface.

Description

Multipurpose branch optical cable with dampproofing function

Technical Field

The utility model belongs to dampproofing optical cable field, concretely relates to multipurpose branch optical cable with dampproofing function.

Background

With the continuous development of the existing science and technology, optical fiber communication is one of the important modes of modern information transmission, and the optical fiber communication has the advantages of large capacity, long relay distance, good confidentiality, electromagnetic interference resistance, copper material saving and the like, most of data transmission is carried out by adopting an optical cable, the outdoor optical cable is outdoors because of the use environment, due to uncertain factors of the external environment, the optical cable is usually corroded by wind and rain or rainwater infiltration and other conditions when being laid outside, water molecules entering the optical cable can corrode the optical fiber, and the corrosion can be accelerated by tiny cracks on the optical fiber, so that the performance of the optical fiber is greatly reduced. A multi-purpose optical drop cable having a moisture-proof function, which is protected by the characteristics of an alumina hydrophobic film, has been proposed.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, this disclosed aim at provides a multipurpose branch cable with dampproofing function, has solved the poor problem of cable waterproof performance among the prior art.

The purpose of the disclosure can be realized by the following technical scheme:

a multi-purpose branch optical cable with a moisture-proof function comprises an outer protective layer, wherein a first waterproof layer is arranged in the outer protective layer, a filling layer is arranged in the first waterproof layer, a second waterproof layer is arranged in the filling layer, a first buffer layer is arranged in the second waterproof layer, a second buffer layer is arranged in the first buffer layer, a plurality of circumferentially distributed optical fibers are arranged between the first buffer layer and the second buffer layer, and a supporting steel wire rope is arranged in the second buffer layer;

the first waterproof layer comprises a first wavy ring, the outer wall of the first wavy ring is wavy, a second wavy ring is arranged outside the first wavy ring, the inner wall of the second wavy ring is wavy to be attached to the outer wall of the first wavy ring, and an alumina hydrophobic film is arranged between the second wavy ring and the first wavy ring.

Further, an inorganic oxygen isolating layer is filled between the first buffer layer and the second buffer layer.

Further, the filling layer is composed of filling ropes and mineral drying agents in gaps of the filling ropes.

Further, the second wavy ring and the second wavy ring are made of PVC materials.

Furthermore, the second waterproof layer is made of polyethylene.

Furthermore, the first buffer layer and the second buffer layer are made of PVC materials.

Further, the outer sheath is made of AT outer sheath materials.

Further, the optical cables are bonded through glue.

The beneficial effect of this disclosure:

the characteristic through the hydrophobic membrane of aluminium oxide can effectual protection optical fiber, improves the life of optical cable, can overcome the too smooth problem of shining into the material separation easily of the hydrophobic membrane of aluminium oxide simultaneously through setting up wavy surface.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is an overall structural schematic diagram of an embodiment of the present disclosure.

Detailed Description

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

As shown in fig. 1, a multipurpose branch optical cable with a moisture-proof function includes an outer sheath 1, a first waterproof layer 2 is arranged in the outer sheath 1, a filling layer 3 is arranged in the first waterproof layer 2, a second waterproof layer 4 is arranged in the filling layer 3, a first buffer layer 5 is arranged in the second waterproof layer 4, a second buffer layer 7 is arranged in the first buffer layer 5, optical fibers 6 distributed circumferentially are arranged between the first buffer layer 5 and the second buffer layer 7, and a supporting steel wire rope 8 is arranged in the second buffer layer 7;

the first waterproof layer 2 comprises a first wavy ring 22, the outer wall of the first wavy ring 22 is wavy, a second wavy ring 21 is arranged outside the first wavy ring 22, the inner wall of the second wavy ring 21 is wavy and attached to the outer wall of the first wavy ring 22, and an alumina hydrophobic film 23 is arranged between the second wavy ring 21 and the first wavy ring 22; through so designing, can be with the hydrophobic one side of alumina hydrophobic membrane 23 towards the outside, can utilize the hydrophobic characteristic of alumina hydrophobic membrane 23 so to prevent that steam from getting into the optical cable, can overcome alumina hydrophobic membrane 23 and make the problem of second wave ring 21 and the separation of first wave ring 22 easily into through setting up the wave form with alumina hydrophobic membrane 23 simultaneously.

In some disclosures, the first buffer layer 5 and the second buffer layer 7 are filled with an inorganic oxygen barrier layer 9 therebetween; by the design, on one hand, the optical fiber 6 can be protected to avoid material damage; on the other hand, the oxidation speed of the optical fiber 6 can be slowed down.

In some disclosures, the packed layer 3 consists of packed ropes and mineral desiccant in the interstices of the packed ropes; through such design, can absorb the inside drying of assurance optical cable to the steam through first waterproof layer 2.

In some disclosures, the second wavy ring 21 and the second wavy ring 21 are made of PVC; through such design, can avoid producing when the optical cable receives the striking that the hydrophobic membrane 23 of aluminium oxide breaks and lead to first waterproof layer 2 to become invalid through the elasticity of PVC material.

In some disclosures, the second waterproof layer 4 is made of polyethylene; first buffer layer 5 and second buffer layer 7 all adopt the PVC material, outer jacket 1 adopts AT oversheath material.

In some disclosures, the layers of the optical cable are bonded together by glue; through such design, can guarantee the firm stability of fixed of each layer of optical cable.

Principle of operation

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 disclosure. 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 foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.

Claims

1. A multipurpose branch optical cable with a moisture-proof function comprises an outer protection layer (1) and is characterized in that a first waterproof layer (2) is arranged in the outer protection layer (1), a filling layer (3) is arranged in the first waterproof layer (2), a second waterproof layer (4) is arranged in the filling layer (3), a first buffer layer (5) is arranged in the second waterproof layer (4), a second buffer layer (7) is arranged in the first buffer layer (5), optical fibers (6) distributed circumferentially are arranged between the first buffer layer (5) and the second buffer layer (7), and a supporting steel wire rope (8) is arranged in the second buffer layer (7);

first waterproof layer (2) are including first wave ring (22), and first wave ring (22) outer wall is the wavy, and first wave ring (22) are equipped with second wave ring (21) outward, and second wave ring (21) inner wall is the wavy of laminating mutually with first wave ring (22) outer wall, is equipped with alumina hydrophobic membrane (23) between second wave ring (21) and first wave ring (22).

2. A multipurpose branch cable with moisture-proof function according to claim 1, wherein an inorganic oxygen-barrier layer (9) is filled between the first buffer layer (5) and the second buffer layer (7).

3. Multipurpose optical drop cable with moisture protection according to claim 1, wherein the filling layer (3) consists of a filling rope and a mineral desiccant in the gap of the filling rope.

4. A multipurpose branch optical cable with moisture-proof function according to claim 1, wherein the second wave ring (21) and the second wave ring (21) are made of PVC.

5. A multipurpose branch cable with moisture-proof function according to claim 1, wherein the second waterproof layer (4) is made of polyethylene.

6. A multipurpose branch cable with moisture-proof function according to claim 1, wherein the first buffer layer (5) and the second buffer layer (7) are made of PVC.

7. A multipurpose branch optical cable with moisture-proof function according to claim 1, wherein the outer sheath (1) is made of AT outer sheath material.

8. The multipurpose branch cable with moisture proof function as claimed in claim 1, wherein the layers of the cable are adhered by glue.