CN216749373U

CN216749373U - Light-weight overhead photoelectric hybrid cable

Info

Publication number: CN216749373U
Application number: CN202123109878.3U
Authority: CN
Inventors: 彭劲国; 吴燕祥; 刘小兵; 刘步勇; 李国帅
Original assignee: Jiangsu Huamai Photoelectric Technology Co ltd
Current assignee: Jiangsu Huamai Photoelectric Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-14
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to a light overhead photoelectric hybrid cable, which comprises an electric unit and an optical unit, wherein the electric unit comprises a copper conductor and a cable sheath coated on the periphery of the copper conductor; the optical unit comprises an optical fiber, a reinforcing piece and an optical cable sheath, wherein the reinforcing piece is a nonmetallic reinforced plastic round rod, the two reinforcing pieces are symmetrically arranged on two sides of the optical fiber, the optical cable sheath is coated on the periphery of the optical fiber and the reinforcing piece, and the optical cable sheath is provided with a V-shaped groove in an axial extending mode; the electric unit and the optical unit are connected through a hanging strip; the utility model adopts two non-metal reinforcing parts to replace large-area metal reinforcing parts, thereby effectively reducing the weight of the photoelectric mixed cable and being beneficial to the overhead laying of the photoelectric mixed cable; the reinforcing piece adopts the non-metal round rod, so that the tensile property of the photoelectric hybrid cable is enhanced on one hand, and on the other hand, the non-metal round rod is good in flexibility and bending resistant, and the influence caused by poor construction is effectively avoided; two sides of the optical cable sheath are respectively and symmetrically provided with two V-shaped grooves, so that branching and connection during construction are facilitated.

Description

Light-weight overhead photoelectric hybrid cable

Technical Field

The utility model belongs to the technical field of the cable technique and specifically relates to indicate a light mixed cable of built on stilts photoelectricity.

Background

The photoelectric hybrid cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission. At present, the mainstream photoelectric hybrid cable adopts a layer-twisted structure that an optical unit and an electric unit are twisted in a cable core, and the optical unit and the electric unit can mutually influence each other and are not beneficial to subsequent line laying and connection. However, although the conventional overhead hybrid optical/electrical cable separates the optical unit from the electrical unit, the optical unit is coated with a support reinforcement made of stranded steel wires along the outer circumference of the optical fiber, which greatly increases the weight of the hybrid optical/electrical cable, has high hardness, is not easily bent, and is not favorable for overhead laying of the hybrid optical/electrical cable.

Therefore, there is a need for a light-weight overhead hybrid optical/electrical cable with good toughness and easy aerial installation.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that overcome among the prior art photoelectric mixed cable weight big, hardness is big and just inflexible, is unfavorable for the built on stilts problem of laying of photoelectric mixed cable.

In order to solve the technical problem, the utility model provides a light overhead photoelectric hybrid cable, which comprises an electric unit and an optical unit, wherein the electric unit comprises a copper conductor and a cable sheath coated on the periphery of the copper conductor; the optical unit comprises optical fibers, reinforcing pieces and an optical cable sheath, wherein the reinforcing pieces are nonmetal reinforced plastic round rods, the two reinforcing pieces are symmetrically arranged on two sides of each optical fiber, the optical cable sheath covers the peripheries of the optical fibers and the reinforcing pieces, and the optical cable sheath is provided with a V-shaped groove in an axial extending mode; the electrical unit and the optical unit are connected by a harness.

In one embodiment of the present invention, the diameter of the non-metallic plastic round bar reinforcement is 0.5-2.0mm, and the material is glass fiber or aramid fiber.

In an embodiment of the present invention, the V-shaped grooves are symmetrically disposed.

In an embodiment of the present invention, the optical cable sheath is in a rounded rectangle shape.

In an embodiment of the present invention, the copper conductor is a five-type or six-type soft conductor.

In one embodiment of the present invention, the cross-sectional area of the copper conductor is not less than 1.5mm²。

In one embodiment of the present invention, the number of the optical fibers is 1 to 24 cores.

In an embodiment of the present invention, the optical fiber is peripherally coated with a loose tube.

In one embodiment of the present invention, the loose tube material is polybutylene terephthalate or modified polypropylene or modified polycarbonate plastic.

In one embodiment of the present invention, the cable sheath and the optical cable sheath are made of insulating polyethylene or insulating polyvinyl chloride.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. adopt two nonmetal stiffeners to replace the metal stiffener who lays in a large scale, effectively reduced the weight of mixed cable of photoelectricity, be favorable to the built on stilts of mixed cable of photoelectricity to lay.

2. The reinforcement has adopted non-metallic pole, has strengthened the tensile properties of mixed cable of photoelectricity on the one hand, and on the other hand, non-metallic pole pliability is good, and is resistant crooked, the effectual influence of avoiding bad construction to bring.

3. Two sides of the optical cable sheath are respectively and symmetrically provided with two V-shaped grooves, so that branching and connection during construction are facilitated.

Drawings

In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which

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

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

The specification reference numbers indicate: 1. an electrical unit; 2. a light unit; 3. a sling; 11. a copper conductor; 12. a cable jacket; 21. an optical fiber; 22. a reinforcement; 23. an optical cable jacket; 24. loosening the sleeve; 231. v-shaped grooves.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Example 1

Referring to fig. 1, the light-weight overhead photoelectric hybrid cable of the present invention includes an electrical unit 1 and an optical unit 2, where the electrical unit 1 includes a copper conductor 11 and a cable sheath 12 covering the periphery of the copper conductor 11; the optical unit 2 comprises an optical fiber 21, a reinforcing member 22 and an optical cable sheath 23, wherein the reinforcing member 22 is symmetrically arranged at two sides of the optical fiber 21, and the optical cable sheath 23 covers the peripheries of the optical fiber 21 and the reinforcing member 22; the electrical unit 1 and the optical unit 2 are connected by a harness 3; the optical unit 2 and the electrical unit 1 in the embodiment are separately arranged, so that the optical unit and the electrical unit do not mutually influence each other and do not need power-off operation when branching laying and connection, the installation and maintenance of a line are facilitated, extra pipeline protection is not needed when optical cables are arranged in an overhead mode, and the operation cost of the line is reduced.

Specifically, the material that reinforcement 22 quantity is two diameters and is 0.5mm-2.0mm is glass fiber or aramid fiber reinforced plastics pole, can effectively reduce the weight of mixing the cable, and non-metallic's reinforcement 22 has strengthened the tensile properties of mixed cable of photoelectricity on the one hand, and on the other hand pliability is good, and is resistant crooked, can effectually avoid the influence that bad construction brought.

Specifically, the optical cable sheath 23 is in a round-corner rectangular shape, and the V-shaped grooves 231 are symmetrically formed in the optical cable sheath 23 along the axial extension, so that the optical cable sheath 23 can be quickly stripped along the V-shaped grooves 231 during construction, and branching and connection during construction are facilitated.

Specifically, the copper conductor 11 has a cross-sectional area of not less than 1.5mm²The five types of stranded conductors have good flexibility and large curvature on the premise of ensuring the current-carrying capacity of the copper conductor 11, and the photoelectric hybrid cable cannot cause plastic deformation of the copper conductor 11 when being bent, so that the flexibility and the stability of the copper conductor 11 are greatly improved.

Example 2

Referring to fig. 2, the light-weight overhead photoelectric hybrid cable of the present invention includes an electrical unit 1 and an optical unit 2, the electrical unit 1 includes a copper conductor 11 and a cable sheath 12 covering the periphery of the copper conductor 11; the optical unit 2 comprises an optical fiber 21, a loose tube 24, a reinforcing piece 22 and an optical cable sheath 23, wherein the loose tube 24 is coated on the periphery of the optical fiber 21, the reinforcing piece 22 is symmetrically arranged on two sides of the loose tube 24, and the optical cable sheath 23 is coated on the peripheries of the loose tube 24 and the reinforcing piece 22; the electrical unit 1 and the optical unit 2 are connected by a harness 3; the optical unit 2 and the electrical unit 1 in the embodiment are separately arranged, so that the optical unit and the electrical unit do not mutually influence each other and do not need power-off operation when branching laying and connection, the installation and maintenance of a line are facilitated, extra pipeline protection is not needed when optical cables are arranged in an overhead mode, and the operation cost of the line is reduced.

Specifically, the loose tube 24 is used for protecting the optical fibers 21, and is a protective layer outside the

optical fibers

21, and 1 or more optical fibers 21 are placed in the loose tube 24 and filled with optical fiber ointment during production.

Specifically, the material of the loose tube 24 is polybutylene terephthalate or modified polypropylene or modified polycarbonate plastic, which can protect the optical fiber 21 from the internal stress and the external lateral pressure.

Specifically, the reinforcing member 22 and the copper conductor 11 are made of the same material and have the same structure as those of embodiment 1.

According to the light overhead photoelectric hybrid cable of any embodiment, the cable sheath 12 and the optical cable sheath 23 are made of insulating polyethylene or insulating polyvinyl chloride, and the material has high insulation resistance, can bear high breakdown strength, has certain flexibility and mechanical strength, and can keep long-term insulation stability.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A light-weight overhead photoelectric hybrid cable, comprising:

an electrical unit comprising a copper conductor and a cable jacket covering an outer periphery of the copper conductor;

the optical unit comprises optical fibers, reinforcing pieces and an optical cable sheath, wherein the reinforcing pieces are nonmetallic reinforced plastic round rods, the two reinforcing pieces are symmetrically arranged on two sides of the optical fibers, the optical cable sheath covers the peripheries of the optical fibers and the reinforcing pieces, and a V-shaped groove is formed in the optical cable sheath in an axially extending mode;

the electrical unit and the optical unit are connected by a harness.

2. The lightweight overhead photoelectric hybrid cable of claim 1, wherein the non-metallic plastic round bar reinforcement has a diameter of 0.5-2.0mm and is made of fiberglass or aramid.

3. The lightweight overhead opto-electric hybrid cable of claim 1 wherein the V-grooves are symmetrically disposed.

4. The lightweight overhead opto-electric hybrid cable of claim 1 wherein the optical cable jacket is configured in a rounded rectangular configuration.

5. The lightweight overhead photoelectric hybrid cable of claim 1, wherein the copper conductor is a category five or category six soft conductor.

6. The lightweight overhead photoelectric hybrid cable of claim 5, wherein the copper conductor cross-sectional area is not less than 1.5mm²。

7. The lightweight overhead hybrid optical-electrical cable of claim 1, wherein the number of optical fibers is 1-24 cores.

8. The lightweight overhead opto-electric hybrid cable of claim 1 wherein the optical fibers are peripherally wrapped with a loose tube.

9. The lightweight overhead opto-electric hybrid cable of claim 8 wherein the loose tube material is polybutylene terephthalate or modified polypropylene or modified polycarbonate plastic.

10. The lightweight overhead photoelectric hybrid cable of claim 1, wherein the cable jacket and cable jacket materials are insulating polyethylene or insulating polyvinyl chloride.