CN212209032U

CN212209032U - Optical cable and power line combined cable

Info

Publication number: CN212209032U
Application number: CN202021253624.1U
Authority: CN
Inventors: 张立志; 陈维江; 杨素霞
Original assignee: Shandong Huaxin Communication Technology Co ltd
Current assignee: Shandong Huaxin Communication Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-22
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses an optical cable and power line combined cable, which relates to the technical field of cables and comprises a power line and a plurality of optical cables, wherein the optical cables are closely arranged around the power line to form a circular cable core, and an outer shielding layer, a weaving layer and an outer sheath are coaxially wrapped outside the circular cable core; the optical cable comprises an insulating sheath and a plurality of optical fibers, wherein the optical fibers are annularly arranged in the insulating sheath to form a circular fiber core, and the circular fiber core is coaxial with the insulating sheath; the power line comprises a wire and an inner sheath wrapping the wire. The utility model combines the power line and the optical cable, so that one cable realizes the functions of electric conduction and optical signal transmission at the same time; when need use power cord and optical cable simultaneously and carry out the wire rod and lay, need not to use a plurality of pipelines, realize more convenient threading through a combination cable, avoid the extravagant reduction man-hour of reducing of pipeline simultaneously, during same pipeline threading, can also avoid power cord and optical cable mutual interference.

Description

Optical cable and power line combined cable

Technical Field

The utility model relates to a cable technical field specifically is an optical cable and power cord combination cable.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. The optical cable is mainly used for transmitting optical signals, the power line is mainly used for conducting electricity, the optical cable and the power line are widely applied in modern families, network life cannot be separated from the optical cable and the power line, and the existing optical cable and the existing power line are generally arranged separately.

Under many circumstances, optical cable and power cord synergism, just need bury two pipelines underground in the wall body this moment, carry out the threading work of optical cable and power cord respectively, it is more troublesome, bury underground in order to reduce the pipeline, some users penetrate optical cable and power cord simultaneously in a pipeline, but this type of threading is more troublesome, optical cable and power cord intertwine cause the pipeline easily to block or block, and the optical cable is fragile relatively, in case block need hard the stay cord in the threading in-process and just probably cause the optic fibre fracture in the optical cable, influence signal transmission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical cable and power cord combination 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:

an optical cable and power supply line combined cable comprises a power supply line and a plurality of optical cables, wherein the optical cables are tightly arranged around the power supply line to form a circular cable core, and an outer shielding layer, a weaving layer and an outer sheath are coaxially wrapped outside the circular cable core at one time; the optical cable comprises an insulating sheath and a plurality of optical fibers, wherein the optical fibers are annularly arranged in the insulating sheath to form a circular fiber core, and the circular fiber core is coaxial with the insulating sheath; the power line comprises a wire and an inner sheath wrapping the wire.

As a further aspect of the present invention: the outer sheath is made of polyethylene.

As a further aspect of the present invention: and the outer side shielding layer adopts an aluminum foil shielding layer.

As a further aspect of the present invention: and cable core fillers are also filled in the outer shielding layer.

As a further aspect of the present invention: and a fiber core filler is filled in a gap between the optical fiber and the insulating sheath.

As a further aspect of the present invention: and a central reinforcing core is also arranged at the central position in the insulating sheath.

As a further aspect of the present invention: the inner sheath is also wrapped with an inner side shielding layer.

As a further aspect of the present invention: the inner side shielding layer adopts a tinned copper mesh braid layer.

As a further aspect of the present invention: and an optical cable shielding layer is arranged on the inner layer of the insulating sheath.

As a further aspect of the present invention: the optical cable shielding layer adopts a copper foil shielding layer.

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

1. the power line and the optical cable are combined, so that one cable can simultaneously realize the electric conduction and optical signal transmission functions; when the power line and the optical cable are used for laying wires, a plurality of pipelines are not needed, more convenient threading is realized through one combined cable, the waste of the pipelines is avoided, the operation time is reduced, and the mutual interference of the power line and the optical cable can be avoided when the same pipeline is threaded;

2. the strength of the general optical cable is not high enough, and the strength of the optical cable is greatly improved by arranging the power line at the center of the optical cable; cable core fillers are filled in the outer shielding layer, so that the situation of damage and leakage caused by friction of a power line and an optical cable is prevented, and the safety is higher; the overall tensile strength of the combined cable is improved by arranging the braided layer, and the combined cable is prevented from being broken by tension during threading;

3. the fiber core filler is filled in the gap between the optical fiber and the insulating sheath, so that the whole optical cable is compact, the damage caused by mutual friction between the optical fibers due to the gap is prevented, and the optical fiber protection effect is better; the central position in the insulating sheath is also provided with a central reinforced core, so that the integral tensile strength of the optical cable is improved through the central reinforced core, and the optical fiber is prevented from being broken under tension;

4. the outer shielding layer is arranged, so that interference of other lines on the combined cable is prevented; an inner shielding layer is wrapped outside the inner sheath, so that interference of a power line to the optical cable is avoided; the inner layer of the insulating sheath is provided with an optical cable shielding layer, so that mutual interference between optical cables is prevented.

Drawings

Fig. 1 is a schematic structural view of embodiment 1.

Fig. 2 is a schematic structural view of embodiment 2.

Fig. 3 is a schematic structural view of the optical cable of embodiment 2.

Fig. 4 is a schematic structural view of embodiment 3.

Fig. 5 is a schematic structural view of the optical cable of embodiment 4.

In the figure: 1-outer sheath, 2-braiding layer, 3-outer shielding layer, 4-cable core filler, 5-insulating sheath, 6-optical fiber, 7-central reinforced core, 8-fiber core filler, 9-inner shielding layer, 10-inner sheath, 11-wire and 12-optical cable shielding layer.

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 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.

Example 1

Referring to fig. 1-2, an optical cable and power line combined cable includes a power line and a plurality of optical cables, wherein the optical cables are closely arranged around the power line to form a circular cable core, and an outer shielding layer 3, a braiding layer 2 and an outer sheath 1 are coaxially wrapped outside the circular cable core at one time; the power line and the optical cable are combined, so that one cable can simultaneously realize the electric conduction and optical signal transmission functions, the strength of the general optical cable is not high enough, and the strength of the optical cable is greatly improved by arranging the power line at the center of the optical cable; when the power line and the optical cable are used for laying wires, a plurality of pipelines are not needed, more convenient threading is realized through one combined cable, the waste of the pipelines is avoided, the operation time is reduced, and the mutual interference of the power line and the optical cable can be avoided when the same pipeline is threaded; preferably, the outer sheath 1 is made of polyethylene; the outer shielding layer 3 is an aluminum foil shielding layer, interference of other lines on the combined cable is prevented by arranging the outer shielding layer 3, the overall tensile strength of the combined cable is improved by the weaving layer 2, and the combined cable is prevented from being broken by tension during threading; preferably, the cable core filler 4 is filled in the outer shielding layer 3, so that the situation of damage and leakage caused by friction between a power line and an optical cable is prevented, and the safety is higher;

the optical cable comprises an insulating sheath 5 and a plurality of optical fibers 6, wherein the optical fibers 6 are annularly arranged in the insulating sheath 5 to form a circular fiber core, and the circular fiber core is coaxial with the insulating sheath 5; the fiber core filler 8 is filled in the gap between the optical fiber 6 and the insulating sheath 5, so that the whole optical cable is compact, the damage caused by mutual friction between the optical fibers 6 due to the gap is prevented, and the protection effect on the optical fibers 6 is better;

the power cord includes a wire 11 and an inner sheath 10 that surrounds the wire 11.

Example 2

Referring to fig. 2 to 3, on the basis of embodiment 1, a central strength core 7 is further disposed at a central position in the insulating sheath 5, so that the central strength core 7 improves the overall tensile strength of the optical cable, and the optical fiber 6 is prevented from being broken by tension.

Example 3

Referring to fig. 4, based on embodiment 1, an inner shielding layer 9 is further wrapped outside the inner sheath 10, and preferably, the inner shielding layer 9 is a tinned copper mesh braid layer to prevent the power line from interfering with the optical cable.

Example 4

Referring to fig. 5, on the basis of embodiment 4, an optical cable shielding layer 12 is disposed on an inner layer of the insulating sheath 5, and preferably, the optical cable shielding layer 12 is a copper foil shielding layer, so as to prevent mutual interference between optical cables.

In conclusion, the combined cable is convenient to use, has good tensile strength, is good in shielding effect, avoids signal interference and is good in signal transmission effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An optical cable and power line combined cable comprises a power line and a plurality of optical cables, and is characterized in that the optical cables are tightly arranged around the power line to form a circular cable core, and an outer shielding layer (3), a braiding layer (2) and an outer sheath (1) are coaxially wrapped outside the circular cable core at one time; the optical cable comprises an insulating sheath (5) and a plurality of optical fibers (6), wherein the optical fibers (6) are annularly arranged in the insulating sheath (5) to form a circular fiber core, and the circular fiber core is coaxial with the insulating sheath (5); the power line comprises a wire (11) and an inner sheath (10) wrapping the wire (11).

2. The combination cable of claim 1, wherein the outer sheath (1) is made of polyethylene.

3. The combination optical cable and power line cable according to claim 1, wherein the outer shielding layer (3) is an aluminum foil shielding layer.

4. A combination optical and power line cable according to claim 3, characterized in that the outer shielding layer (3) is further filled with a core filler (4).

5. The combined optical and electrical cable according to claim 1, wherein the gap between the optical fiber (6) and the insulating sheath (5) is filled with a core filler (8).

6. The combined optical and electrical cable according to claim 1, wherein a central reinforcing core (7) is further provided at a central position within the insulating sheath (5).

7. The combined optical cable and power line cable according to claim 3, wherein the inner sheath (10) is further wrapped with an inner shielding layer (9).

8. The combined optical cable and power line cable according to claim 7, wherein the inner shielding layer (9) is a tinned copper mesh braid.

9. The combined optical cable and power line cable according to claim 7, characterized in that the inner layer of the insulating sheath (5) is provided with a cable shielding layer (12).

10. The combined optical cable and power line cable according to claim 9, wherein the optical cable shielding layer (12) is a copper foil shielding layer.