CN111830651A

CN111830651A - Novel optical cable body and preparation process thereof

Info

Publication number: CN111830651A
Application number: CN202010839535.3A
Authority: CN
Inventors: 殷震宇; 孙丽华; 殷铄涵
Original assignee: Suzhou Dacheng Ruifeng Communication Technology Co ltd
Current assignee: Suzhou Dacheng Ruifeng Communication Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-10-27
Also published as: WO2022036741A1

Abstract

A new optical cable body and its preparation method, it is not hard to be connected and loosened with the optical cable to solve the steel wire of the existing optical cable, the optical cable is apt to loosen while using, the optical cable sheath intensity is low at the same time, the service life is short, unfavorable problem to use, it includes optical cable body, first piecing, second optical cable, second fiber sleeve, resin layer and fiber core layer, there is a sheath outside the said optical cable body, there is a resin coating layer inside the sheath, the middle part of the resin coating layer is inserted with the first steel wire, there is the first optical cable on one side of the first steel wire, the outside of the first steel wire and first optical cable is wrapped up with the first fiber sleeve, there is the second steel wire on one side of the first steel wire, there is the second optical cable on one side of the second steel wire, the outside of the second steel wire and second optical cable is wrapped up with the second fiber sleeve, the structure of the invention is novel, the plot is, meanwhile, the sheath has better strength and is beneficial to use.

Description

Novel optical cable body and preparation process thereof

Technical Field

The invention relates to an optical cable, in particular to a novel optical cable and a preparation process thereof.

Background

Optical fiber cables (optical fiber cables) are manufactured to meet optical, mechanical, or environmental performance specifications and are telecommunication cable assemblies that utilize one or more optical fibers disposed in a surrounding jacket as the transmission medium and that may be used individually or in groups. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. 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. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.

The steel wire of current optical cable is connected with the optical cable and is become flexible, and the optical cable is easy not hard up during the use, and optical cable sheath intensity is low simultaneously, and life is short, is unfavorable for the use.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the novel optical cable body and the preparation process thereof, which effectively solve the problems that the connection between the steel wire and the optical cable of the existing optical cable is loose, the optical cable is easy to loose when in use, and meanwhile, the optical cable sheath has low strength and short service life and is not beneficial to use.

In order to achieve the purpose, the invention provides the following technical scheme: the optical cable comprises an optical cable body, a first joint, a second joint, a sheath, a resin coating layer, a first steel wire, a first optical cable, a first fiber sleeve, a second steel wire, a second optical cable, a second fiber sleeve, a resin layer and a fiber core layer, wherein the sheath is arranged outside the optical cable body, the resin coating layer is arranged inside the sheath, the first steel wire is inserted in the middle of the resin coating layer, the first optical cable is arranged on one side of the first steel wire, the first fiber sleeve is coated on the outer sides of the first steel wire and the first optical cable, the second steel wire is arranged on one side of the first steel wire, the second optical cable is arranged on one side of the second steel wire, and the second fiber sleeve is coated on the outer sides of the second steel wire and the second optical cable.

Preferably, the sheath comprises an outer resin layer, and a fiber core layer is arranged in the middle of the resin layer.

Preferably, the fiber core layer is formed by connecting fiber yarns in the transverse direction and the vertical direction.

Preferably, one end of the optical cable body is provided with a first joint, and the other end of the optical cable body is provided with a second joint.

Preferably, the sheath is a low-smoke halogen-free member.

Preferably, the first steel wire and the second steel wire have a diameter of 0.45 mm.

A preparation process of a novel optical cable body is characterized by comprising the following steps of 1) drawing a steel wire into a metal wire at high temperature, and drawing the steel wire through a drawing die by using a drawing machine at the temperature of 35-45 ℃, wherein the diameter of the drawn wire is 0.45 mm; annealing the monofilament, namely annealing by an annealing furnace at the annealing temperature of 450 ℃ and 580 ℃ for 45-60 minutes to prepare the monofilament;

2) wrapping two metal wires with a first optical cable 7 and a second optical cable 10 respectively through a first fiber sleeve 8 and a second fiber sleeve 11;

3) then, respectively wrapping the two wrapped metal wires and the outer sides of the first optical cable 7 and the second optical cable 10 with resin wrapping layers 5;

4) the outer side of the resin wrapping layer 5 is provided with a sheath 4, and the sheath 4 is directly extruded by an extruding machine.

Has the advantages that: the first steel wire, the first optical cable, the second steel wire and the second optical cable can be protected by the arranged resin wrapping layer, the first optical cable and the second optical cable are wrapped compactly by the arranged first steel wire and the arranged second fiber sleeve, so that the first optical cable and the second optical cable are not easy to shake, and the sheath has better strength and is beneficial to use due to the arrangement of the fiber core layer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the sheath of the present invention;

reference numbers in the figures: 1. an optical cable body; 2. a first joint; 3. a second joint; 4. a sheath; 5. a resin wrapping layer; 6. a first steel wire; 7. a first optical cable; 8. a first fiber sleeve; 9. a second steel wire; 10. a second optical cable; 11. a second fiber sleeve; 12. a resin layer; 13. and a fiber core layer.

Detailed Description

The following describes in further detail embodiments of the present invention with reference to fig. 1-3.

Embodiment one, as shown in fig. 1 to 3, the present invention provides a novel optical cable body and a process for manufacturing the same, including an optical cable body 1, a first joint 2, a second joint 3, a sheath 4, a resin coating layer 5, and a first steel wire 6, first optical cable 7, first fibre cover 8, second steel wire 9, second optical cable 10, second fibre cover 11, resin layer 12 and fibre sandwich layer 13, the outside of optical cable body 1 is provided with sheath 4, the inside of sheath 4 is provided with resin coating 5, it has first steel wire 6 to peg graft in the middle part of resin coating 5, one side of first steel wire 6 is provided with first optical cable 7, the outside parcel of first steel wire 6 and first optical cable 7 has first fibre cover 8, one side of first steel wire 6 is provided with second steel wire 9, one side of second steel wire 9 is provided with second optical cable 10, second steel wire 9 has second fibre cover 11 with the outside parcel of second optical cable 10.

The sheath 4 comprises a resin layer 12 on the outer side, a fiber core layer 13 is arranged in the middle of the resin layer 12, and the resin layer 12 has good insulating performance.

The fiber core layer 13 is formed by connecting fiber yarns in the transverse direction and the vertical direction, so that the sheath 4 has better strength.

One end of the optical cable body 1 is provided with a first joint 2, and the other end of the optical cable body 1 is provided with a second joint 3, so that connection is facilitated.

The sheath 4 is a low-smoke halogen-free component, so that the sheath 4 has good flame-retardant insulating property.

The diameters of the first steel wire 6 and the second steel wire 9 are both 0.45mm, so that the use is convenient.

The working principle is as follows: according to the invention, the first steel wire 6, the first optical cable 78, the second steel wire 9 and the second optical cable 10 can be protected by the arranged resin coating layer 5, the first fiber sleeve 8 and the second fiber sleeve 11 are arranged, so that the first steel wire 6 and the first optical cable 7 as well as the second steel wire 9 and the second optical cable 10 are wrapped compactly, the first optical cable 7 and the second optical cable 10 are not easy to shake, and the sheath 4 has better strength due to the arrangement of the fiber core layer 13, and the use is facilitated.

Has the advantages that: the invention has novel structure and ingenious conception, ensures that the first optical cable 7 and the second optical cable 10 are not easy to shake when in use, and simultaneously ensures that the sheath 4 has better strength and is beneficial to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel optical cable body, includes optical cable body (1), first joint (2), second joint (3), sheath (4), resin coating (5), first steel wire (6), first optical cable (7), first fibre cover (8), second steel wire (9), second optical cable (10), second fibre cover (11), resin layer (12) and fibre sandwich layer (13), its characterized in that: the optical cable is characterized in that a sheath (4) is arranged outside the optical cable body (1), a resin wrapping layer (5) is arranged inside the sheath (4), a first steel wire (6) is inserted in the middle of the resin wrapping layer (5), a first optical cable (7) is arranged on one side of the first steel wire (6), a first fiber sleeve (8) is wrapped on the outer sides of the first steel wire (6) and the first optical cable (7), a second steel wire (9) is arranged on one side of the first steel wire (6), a second optical cable (10) is arranged on one side of the second steel wire (9), and a second fiber sleeve (11) is wrapped on the outer sides of the second steel wire (9) and the second optical cable (10).

2. The novel optical cable body as claimed in claim 1, wherein the sheath (4) comprises an outer resin layer (12), and a fiber core layer (13) is disposed in the middle of the resin layer (12).

3. The novel optical cable body as claimed in claim 2, wherein the fiber core layer (13) is formed by connecting fiber filaments in the transverse and vertical directions.

4. The novel optical cable body as claimed in claim 1, wherein one end of the optical cable body (1) is provided with a first joint (2), and the other end of the optical cable body (1) is provided with a second joint (3).

5. A novel optical cable body as claimed in claim 1, wherein said sheath (4) is a low smoke zero halogen material.

6. A novel optical cable body as claimed in claim 1, wherein the first (6) and second (9) wires are each 0.45mm in diameter.

7. A preparation process of a novel optical cable body is characterized by comprising the following steps of 1) drawing a steel wire into a metal wire at high temperature, and drawing the steel wire through a drawing die by using a drawing machine at the temperature of 35-45 ℃, wherein the diameter of the drawn wire is 0.45 mm; annealing the monofilament, namely annealing by an annealing furnace at the annealing temperature of 450 ℃ and 580 ℃ for 45-60 minutes to prepare the monofilament;

2) wrapping two metal wires with a first optical cable (7) and a second optical cable (10) respectively through a first fiber sleeve (8) and a second fiber sleeve (11);

3) then, respectively wrapping the two wrapped metal wires and the outer sides of the first optical cable (7) and the second optical cable (10) with resin wrapping layers (5);

4) the outer side of the resin wrapping layer (5) is provided with a sheath (4), and the sheath (4) is formed by directly extruding and wrapping by an extruding machine.