CN218824831U

CN218824831U - Outdoor photoelectric mixed butterfly-shaped layer stranded optical cable

Info

Publication number: CN218824831U
Application number: CN202222474914.4U
Authority: CN
Inventors: 隋磊; 刘会天; 孙启铭; 周文华; 张蓬松; 孟瑶
Original assignee: Hongan Group Co Ltd
Current assignee: Hongan Group Co Ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-04-07
Anticipated expiration: 2032-09-19

Abstract

An outdoor photoelectric mixed butterfly-shaped layer stranded optical cable comprises an outer sheath and a reinforcing member arranged in the center of the outer sheath; the periphery of the reinforcing member is annularly arrayed with a plurality of photoelectric mixed butterfly-shaped optical cables, and a water-blocking structure layer and an armor structure layer are sequentially arranged between the photoelectric mixed butterfly-shaped optical cables and the outer sheath from inside to outside in the circumferential direction; the photoelectric hybrid butterfly-shaped optical cable comprises a butterfly-shaped sheath and optical fiber monomers arranged in the center of the butterfly-shaped sheath, wherein conductor cables are symmetrically arranged on two sides of each optical fiber monomer. The utility model discloses possess higher tensile properties and bending resistance nature, can prevent that rodent from gnawing and stinging, can realize photoelectric signal's synchronous transmission again, the quality is light simultaneously, can satisfy built on stilts demand of laying.

Description

Outdoor photoelectric mixed butterfly-shaped layer stranded optical cable

Technical Field

The utility model relates to an outdoor photoelectric mixed butterfly-shaped layer stranded optical cable belongs to optical cable technical field.

Background

The butterfly-shaped optical cable is a wiring optical cable with light weight, small volume and small bending radius resistance, and is suitable for optical fiber home access wiring. At present, when a user accesses a multipoint optical signal or a plurality of butterfly-shaped optical cables, the plurality of butterfly-shaped optical cables are required to be repeatedly laid in the wiring construction process, wiring space is easily consumed, the occupation is large, the line sequence is easily disordered, and the subsequent maintenance difficulty is large; and the problems of uneven stress and easy breakage exist in laying of a single butterfly-shaped optical cable in construction.

In order to solve the problems, in the prior art, a plurality of butterfly-shaped optical cables are integrated into a whole, so that the overall external force bending resistance is improved, the plurality of butterfly-shaped optical cables are bundled together, the butterfly-shaped optical cables are conveniently separated during use, the butterfly-shaped optical cables are convenient to use, the construction difficulty is reduced, and the construction cost is saved. However, such butterfly cables have the following disadvantages:

optical cable erection lines often pass through areas with mouse damage, areas with forest and bird density and the like, and generally, optical cables in the areas are still damaged due to the fact that the optical cables are bitten by mice and pecked by birds after the optical cables are laid for a period of time due to insufficient external structural strength. When the optical cable of the steel tape armoring structure is adopted, the optical cable is not beneficial to overhead laying of the power line due to the self weight and the metal component. Meanwhile, the simultaneous transmission of power supply and signals cannot be met, only an independent optical cable is led into a user side, and the cable needs to be additionally laid, so that the purchase cost of products is increased, and the laying construction cost of the transmission cable is increased.

Disclosure of Invention

In order to overcome prior art's the aforesaid not enough, the utility model provides an outdoor mixed butterfly-shaped layer-stranding cable of photoelectricity, this optical cable possess higher tensile properties and bending resistance, can prevent that rodent from gnawing and stinging, can realize photoelectric signal's synchronous transmission again, and the quality is light simultaneously, can satisfy built on stilts demand of laying.

The utility model provides a technical scheme that its technical problem adopted is:

an outdoor photoelectric mixed butterfly-shaped layer stranded optical cable comprises an outer sheath and a reinforcing member arranged in the center of the outer sheath; the periphery of the reinforcing member is annularly arrayed with a plurality of photoelectric mixed butterfly-shaped optical cables, and a water-blocking structure layer and an armor structure layer are sequentially arranged between the photoelectric mixed butterfly-shaped optical cables and the outer sheath from inside to outside in the circumferential direction;

the photoelectric hybrid butterfly-shaped optical cable comprises a butterfly-shaped sheath and optical fiber monomers arranged in the center of the butterfly-shaped sheath, wherein conductor cables are symmetrically arranged on two sides of each optical fiber monomer.

Optionally, the optical fiber monomer includes a loose sleeve layer and a plurality of optical fibers arranged in the loose sleeve layer, and factice is filled between the plurality of optical fibers in the loose sleeve layer.

Optionally, a filling rope is arranged between two adjacent photoelectric mixed butterfly-shaped optical cables.

Optionally, the outer part of the reinforcing member is provided with a TPE elastomer, the outer wall circumference of the TPE elastomer is provided with a plurality of TPE elastomer separating grooves along the direction of the axis, and the photoelectric hybrid butterfly-shaped optical cable and the filling rope are installed in the TPE elastomer separating grooves.

Optionally, the conductor cable adopts a fifth type of flexible conductor coated with an insulating polyethylene material.

Optionally, the armor structure layer adopts a GFRP armor protective layer.

Optionally, the reinforcing member is a GFRP reinforced plastic rod.

Optionally, the water-blocking structure layer is formed by winding a water-blocking tape.

Compared with the prior art, the utility model discloses an outdoor photoelectric mixed butterfly-shaped layer stranded optical cable brings beneficial effect as follows:

1) The power supply and the signal transmission can be simultaneously carried out by using only one cable, so that the wiring cost is greatly saved, the station address selection is more flexible, and a large amount of wiring cost can be saved;

2) The optical cable has good tensile resistance and bending resistance, and is not easy to damage optical fibers in the optical cable in the using process;

3) The quality is light, and intensity is high, has avoided because of the rat worm prefers to gnaw the optical cable fracture that the food caused to the optical cable surface, has prolonged the life of optical cable, is suitable for built on stilts laying of self-supporting formula.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

Fig. 2 is a schematic structural diagram of an optical-electrical hybrid butterfly-shaped optical cable according to an embodiment of the present invention.

The reference numbers in the figures illustrate:

1-an outer sheath; 2-a reinforcing member; 3-a photoelectric hybrid butterfly-shaped optical cable; 31-a butterfly-shaped sheath; 32-optical fiber monomer; 321-a loose sleeve layer; 322-an optical fiber; 323-ointment; 33-a conductor cable; 4-a water-blocking structural layer; 5-an armor layer; 6-filling ropes; 7-TPE elastomer; 71-TPE elastomer separation groove.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are some, but not all, embodiments of the present invention. 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.

Fig. 1 and 2 are schematic structural diagrams illustrating a preferred embodiment of the present invention, in which an outdoor optical-electrical hybrid butterfly-shaped layer-stranded optical cable includes an outer sheath 1 and a reinforcing member 2 disposed at a central position of the outer sheath 1; a plurality of photoelectric hybrid butterfly-shaped optical cables 3 are arranged in an annular array on the periphery of the reinforcing member 2, and a water-blocking structure layer 4 and an armor structure layer 5 are sequentially arranged between the photoelectric hybrid butterfly-shaped optical cables 3 and the outer sheath 1 from inside to outside in the circumferential direction;

the photoelectric hybrid butterfly-shaped optical cable 3 comprises a butterfly-shaped sheath 31 and an optical fiber single body 32 arranged in the center of the butterfly-shaped sheath 31, and conductor cables 33 are symmetrically arranged on two sides of the optical fiber single body 32.

Through concentrating a plurality of mixed butterfly-shaped optical cables 3 of photoelectricity and setting up, not only solved the drawback of single butterfly-shaped optical cable, still realized photoelectric signal's synchronous transmission, reduced the construction degree of difficulty, saved construction cost, improved the efficiency of construction, it is also more convenient when using.

In an optional implementation manner of this embodiment, the optical fiber unit 32 includes a loose-sleeve layer 321 and a plurality of optical fibers 322 disposed in the loose-sleeve layer 321, and a gel 323 is filled between the plurality of optical fibers in the loose-sleeve layer 321.

Each optical fiber unit 32 is also of a composite structure and has a plurality of optical fibers 322, so that stability and reliability of optical signal transmission are ensured.

In an alternative embodiment of this embodiment, a filling rope 6 is disposed between two adjacent photoelectric hybrid butterfly-shaped optical cables 3.

The filling ropes 6 are arranged in the circumferential direction of the photoelectric mixed butterfly-shaped optical cable 3 in an inserting mode, so that the cable can keep round better, the round degree of a cable finished product is improved, and the tensile resistance and the swing resistance of the cable are improved in an auxiliary mode.

In an alternative embodiment of the present embodiment, the external portion of the strength member 2 is provided with a TPE elastomer 7, the outer wall of the TPE elastomer 7 is circumferentially provided with a plurality of axially-oriented TPE elastomer separation grooves 71, and the optical-electrical hybrid butterfly cable 3 and the filling cord 6 are installed in the TPE elastomer separation grooves 71.

The TPE elastomer coated outside the reinforcing member 2 has a good buffering effect during bending and extrusion. The TPE elastomer 7 can be formed into the TPE elastomer separation groove 71 through die forming, and the position of the photoelectric mixed butterfly-shaped optical cable 3 in the outer sheath 1 can be well fixed.

In an alternative embodiment of this embodiment, the conductor cable 33 uses a fifth type flexible conductor coated with an insulating polyethylene material. Therefore, the cable has good bending performance and insulating performance, and is more suitable for long-distance moving and laying.

In an alternative embodiment of this embodiment, the armor layer 5 is a GFRP armor layer.

The GFRP armor protective layer coated with nonmetal is capable of further improving mechanical performance of the photoelectric hybrid butterfly cable, and the whole optical cable is designed in a nonmetal structure and has good conductive and insulating performance. Meanwhile, the Glass Fiber Reinforced Plastic (GFRP) layer which is light, high in strength, extremely fine and brittle is stranded outside the cable core, and the cable core is self-supporting overhead and can achieve the effect of preventing rat bites.

In an alternative embodiment of this embodiment, the reinforcement member 2 is a GFRP reinforced plastic rod.

The reinforcing member 2 is a non-metal GFRP reinforced plastic rod, which can supplement the firmness and weakness of the reinforcing member in the butterfly cable replaced by the cable.

In an optional implementation manner of this embodiment, the water blocking structure layer 4 is formed by winding a water blocking tape. The water-blocking tape has no corrosiveness, can reduce the infiltration of water and moisture in the optical cable, further optimizes the toughness, and prolongs the working life of the long optical cable.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do the restriction in any form, all basis the utility model discloses a technical essence makes any simple modification and equal change to above embodiment, all falls into within the protection scope of the utility model.

Claims

1. An outdoor photoelectric mixed butterfly-shaped layer stranded optical cable comprises an outer sheath and a reinforcing member arranged in the center of the outer sheath; the method is characterized in that: the periphery of the reinforcing member is annularly arrayed with a plurality of photoelectric mixed butterfly-shaped optical cables, and a water-blocking structure layer and an armor structure layer are sequentially arranged between the photoelectric mixed butterfly-shaped optical cables and the outer sheath from inside to outside in the circumferential direction;

2. The outdoor photoelectric mixed butterfly-shaped layer stranded optical cable of claim 1, which is characterized in that: the optical fiber monomer comprises a loose sleeve layer and a plurality of optical fibers arranged in the loose sleeve layer, and factice is filled among the plurality of optical fibers in the loose sleeve layer.

3. The outdoor photoelectric mixed butterfly-shaped layer-stranded optical cable of claim 2, which is characterized in that: and a filling rope is arranged between every two adjacent photoelectric mixed butterfly-shaped optical cables.

4. The outdoor photoelectric mixed butterfly-shaped layer-stranded optical cable of claim 3, which is characterized in that: the utility model discloses a photoelectric hybrid butterfly-shaped optical cable, including the stiffening member, the outer wall circumference of TPE elastomer is equipped with a plurality of TPE elastomer that move towards along the axis and separates the groove, and the mixed butterfly-shaped optical cable of photoelectricity and filling rope are installed in TPE elastomer separates the inslot.

5. The outdoor photoelectric mixed butterfly-shaped layer stranded optical cable according to claim 4, characterized in that: the conductor cable adopts a fifth type of soft conductor externally coated with an insulating polyethylene material.

6. The outdoor photoelectric hybrid butterfly-shaped layer stranded optical cable according to any one of claims 1 to 5, wherein: the armor structure layer adopts a GFRP armor protective layer.

7. The outdoor photoelectric mixed butterfly-shaped layer-stranded optical cable of claim 6, which is characterized in that: the reinforcing member is a GFRP reinforced plastic rod.

8. The outdoor photoelectric mixed butterfly-shaped layer stranded optical cable according to claim 7, characterized in that:

the water-blocking structure layer is formed by winding a water-blocking tape.