CN219066457U

CN219066457U - Photoelectric hybrid cable unit and photoelectric hybrid cable

Info

Publication number: CN219066457U
Application number: CN202222979314.3U
Authority: CN
Inventors: 周文华; 孟瑶; 孙启铭; 隋磊; 张蓬松; 刘会天
Original assignee: Hongan Group Co Ltd
Current assignee: Hongan Group Co Ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-23
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to the technical field of communication optical cables, in particular to an optical-electrical hybrid cable unit and an optical-electrical hybrid cable, which comprise a cable core and a reinforcing piece, wherein the cable core comprises an optical fiber ribbon which is a stranded round optical fiber ribbon; the reinforcement comprises aramid yarn coated on the outer side of the optical fiber ribbon and a stainless steel tube arranged outside the aramid yarn; the photoelectric hybrid cable unit further comprises an electric core and an outer protective sleeve, wherein the electric core comprises a copper stranded wire and an insulating layer arranged outside the copper stranded wire. The round optical fiber ribbon is used for increasing the core number of an optical cable, increasing the capacity, protecting the optical fiber secondarily, reducing the volume and the weight maximally, adopting the power line as an auxiliary reinforcing piece, providing the transmission of power information while assisting in enhancing the strength of the cable, realizing the co-cable transmission of high-efficiency electric energy and optical signals simultaneously by the integrated design of photoelectric mixing, and having low construction cost and high operation and maintenance efficiency.

Description

Photoelectric hybrid cable unit and photoelectric hybrid cable

Technical Field

The utility model relates to the technical field of communication optical cables, in particular to an optical-electrical hybrid cable unit and an optical cable.

Background

Along with the high-speed development of the communication industry in China, people have higher and higher requirements on communication quality, optical cables for optical fiber communication are also put forward higher and higher requirements, areas for laying the optical cables are more and more, repeated operation is more difficult and causes huge waste, mountain areas and forest areas are main habitats of living things such as cicada, mice and ants, the cicada is loved to lay eggs at grooves through studying the habits of the cicada, and the optical fibers of the conventional butterfly-shaped lead-in optical cables are just positioned at the grooves, so that optical fiber damage is easy to cause communication lines to be blocked, and the maintenance difficulty is also very high.

The laying construction in remote mountain areas and forest areas is difficult, the corresponding power supply equipment is not perfect, the coverage density of network equipment is greatly increased under the requirement of a new generation network, and the electricity taking problem of the equipment also brings great trouble to the laying of the equipment.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model discloses a photoelectric hybrid cable.

The technical scheme adopted by the utility model is as follows: an opto-electronic hybrid cable comprising a cable core and a reinforcement, the cable core comprising optical fiber ribbons, the optical fiber ribbons being stranded round optical fiber ribbons; the reinforcement comprises aramid yarn coated on the outer side of the optical fiber ribbon and a stainless steel tube arranged outside the aramid yarn; the photoelectric hybrid cable unit further comprises an electric core and an outer protective sleeve, wherein the electric core comprises a copper stranded wire and an insulating layer arranged outside the copper stranded wire.

In one embodiment of the utility model, the ribbon is stranded from 4-12 optical fibers.

In one embodiment of the utility model, the ribbon diameter is 0.7mm to 1.4mm.

In one embodiment of the utility model, the stainless steel tube has a thickness of 1.5mm or 1.8mm.

In one embodiment of the utility model, a tearing rope is arranged in the outer protective sleeve for stripping the optical cable.

In one embodiment of the utility model, the outer protective sheath is made of a low smoke, halogen free, flame retardant material.

In one embodiment of the utility model, the insulating layer material is silicone rubber.

In one embodiment of the utility model, the outer side of the bottom of the outer protective sleeve is provided with a color stripe identification band.

In one embodiment of the utility model, an opto-electronic hybrid cable includes the cable unit and a messenger.

In one embodiment of the utility model, the suspension wire is a galvanized steel strand, and the galvanized steel strand has a size of 0.4mm by 7mm.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. the utility model adopts the power line as the auxiliary reinforcing piece, provides transmission of power information while assisting in enhancing the cable strength, solves the electricity utilization problem of network equipment, realizes co-cable transmission of high-efficiency electric energy and optical signals by the photoelectric hybrid integrated design, and has low construction cost and high operation and maintenance efficiency.

2. The aramid yarn material is added outside the optical fiber band, so that the tensile property and the tensile strength of the optical cable are enhanced, galvanized steel strands and steel wire reinforcing pieces are adopted for reinforcement, the optical cable has higher strength and better tensile strength, better self-supporting performance and good corrosion resistance, and the optical cable can meet long-time span-distance laying conditions.

3. By adopting the design of the circular optical fiber ribbon and the tearing rope, the number of optical fiber cores of the optical cable can be increased by the circular optical fiber ribbon, the capacity is increased, the volume and the weight can be reduced maximally, the tearing rope is arranged in the outer protective sleeve, so that insects such as cicada and ants are effectively prevented from spawning, the optical fibers are protected multiply, the optical cable is stripped, and the optical cable is convenient to lay for long-term use.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

Fig. 1 is a schematic structural diagram of an optoelectronic hybrid cable unit according to a preferred embodiment of the present utility model;

fig. 2 is a schematic structural diagram of an optoelectronic hybrid cable according to a preferred embodiment of the present utility model.

Description of the specification reference numerals: 1. a hanging wire; 3. copper stranded wires; 5. an insulating layer; 7. stainless steel tube; 9. an aramid yarn; 11. an optical fiber ribbon; 13. tearing the rope; 15. an outer protective sleeve; 17. the color bars identify the bands.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Examples

Referring to fig. 1, the utility model discloses an opto-electric hybrid cable unit, which comprises a cable core, an electric core, a reinforcement and an outer protective sleeve 15, wherein the cable core comprises an optical fiber ribbon 11, the optical fiber ribbon 11 is a round optical fiber ribbon stranded mutually, the reinforcement comprises aramid yarns 9 coated on the outer sides of the optical fiber ribbon 11, and a stainless steel tube 7 arranged outside the aramid yarns 9; the battery cell comprises a copper stranded wire 3 and an insulating layer 5 arranged outside the copper stranded wire.

As a preferred embodiment of the utility model, the optical fiber ribbon is a circular optical fiber ribbon 11 formed by twisting 4-12 optical fibers, the number of the twisted optical fibers is increased or decreased according to the requirement, the diameter of the optical fiber ribbon 11 is 0.7-1.4 mm, the diameter of the optical fiber ribbon 11 is changed according to the number of the optical fibers, the optical fiber ribbon 11 adopts G657A2-200um optical fibers, and the G657A2-200um type optical fibers are characterized by being insensitive to bending, have good bending performance, have smaller bending loss, support higher density application and miniaturization, provide higher flexibility, are ideal choices of smaller cable installation radius and are suitable for various wiring of optical access network terminals.

In a preferred embodiment of the present utility model, the optical fiber ribbon 11 is provided with a plurality of reinforcing members, the round optical fiber ribbon 11 is provided with an aramid yarn 9 material, which greatly increases the tensile property and tensile strength of the optical cable, and the aramid yarn 9 is provided with a stainless steel tube 7 with a thickness of 1.5mm or 1.8mm, which not only keeps the optical cable in a smaller size, but also increases the strength of the optical cable, better protects the optical fiber, and resists the bite of rats.

In a preferred embodiment of the present utility model, the copper stranded wires 3 are disposed in the outer protective sleeve 15, and the copper stranded wires 3 are configured to provide power guarantee for the optical cable, so as to effectively realize co-cable transmission of electric energy and optical signals, solve the electricity consumption problem of network equipment, and have low construction cost and high operation and maintenance efficiency.

In a preferred embodiment of the present utility model, the outer protective sheath 15 is further provided therein with a tearing rope 13, and the optical cable is removed from the groove of the conventional butterfly-shaped optical cable, so that the worm and ant such as a cicada cannot find a familiar and proper spawning place, and the design of the circular optical fiber ribbon 11 and the arrangement of the tearing rope 13 are added after the groove is removed, thereby not only protecting the optical fiber repeatedly, but also facilitating the stripping of the optical cable.

In a preferred embodiment of the present utility model, the outer protective sheath 15 is made of a low smoke halogen-free flame retardant sheath material, which has the characteristics of high flame retardance, high wear resistance, corrosion resistance, wide hardness range, smooth reflection, excellent mechanical properties, etc., so as to effectively protect the cable core inside.

In a preferred embodiment of the present utility model, the insulating layer material is silicone rubber, the silicone rubber material has good electrical insulation properties, the dielectric properties of the silicone rubber are excellent, especially the dielectric properties at high temperature are greatly superior to those of common organic rubber, the dielectric strength is hardly affected by temperature in the range of 20-200 ℃, the insulating layer material has excellent weather resistance, ozone resistance and ultraviolet irradiation resistance, and cracking does not occur in outdoor use for a long time, and the silicone rubber is generally considered to be capable of being used for more than 20 years outdoors, so that the internal structure of the optical cable is greatly protected, the service time of the optical cable is prolonged, and the maintenance cost in the future is reduced.

In a preferred embodiment of the present utility model, the outer side of the bottom of the outer protective sleeve 15 is provided with a color stripe marking tape 17, and the color stripe marking tape 17 can use various color master batches and is arranged on the outer protective sleeve 15, so that workers can clearly distinguish under dim light, and the difficulty of construction and maintenance in the future is reduced.

The utility model provides a photoelectric hybrid cable, includes optical cable unit and suspension wire 1, suspension wire 1 adopts galvanized steel strand wires, and the size is 0.4mm 7mm, adopts galvanized steel strand wires as suspension wire 1 for it has performances such as higher intensity, better tensile strength, makes the optical cable have better self-supporting performance, does benefit to the laying of optical cable long distance.

When the staff installs the optical cable, be connected by sheath material between optical cable unit and the suspension wire 1, suspension wire 1 adopts galvanized steel strand wires, optical cable unit by outer protective sheath 15 parcel, optical cable unit inside is provided with reinforcement such as aramid yarn 9, stainless steel pipe 7, and multiple setting has guaranteed that the optical cable can possess stronger protective properties in the use, adopts copper strand wires 3 to make the optical cable have electric property, can provide electric power guarantee for the optical cable.

After burying underground, outer protective sheath 15 has effectively isolated the contact of inside unit with external environment, prevents the problem that the optical cable can be corroded fast in moist mountain area, simultaneously copper stranded conductor 3 wraps up the silica gel insulating layer outward, also makes copper stranded conductor 3 is effectively isolated with external environment, has avoided the electricity dangerous, has improved the security performance of optical cable when using.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. An opto-electronic hybrid cable unit, characterized in that: the cable comprises a cable core and a reinforcement, wherein the cable core comprises optical fiber ribbons which are stranded round optical fiber ribbons; the reinforcement comprises aramid yarn coated on the outer side of the optical fiber ribbon and a stainless steel tube arranged outside the aramid yarn; the photoelectric hybrid cable unit further comprises an electric core and an outer protective sleeve, wherein the electric core comprises a copper stranded wire and an insulating layer arranged outside the copper stranded wire.

2. The optoelectric hybrid cable unit of claim 1, wherein: the optical fiber ribbon is twisted by 4-12 optical fibers.

3. The optoelectric hybrid cable unit of claim 2, wherein: the diameter of the circular optical fiber ribbon is 0.7mm-1.4mm.

4. The optoelectric hybrid cable unit of claim 1, wherein: the thickness of the stainless steel tube is 1.5mm or 1.8mm.

5. The optoelectric hybrid cable unit of claim 1, wherein: the outer protective sleeve is internally provided with a tearing rope for stripping the optical cable.

6. The optoelectric hybrid cable unit of claim 1, wherein: the outer protective sleeve is made of a low-smoke halogen-free flame-retardant material.

7. The optoelectric hybrid cable unit of claim 1, wherein: the insulating layer is made of silicon rubber.

8. The optoelectric hybrid cable unit of claim 1, wherein: the outer side of the bottom of the outer protective sleeve is provided with a colored strip identification band.

9. An opto-electronic hybrid cable, characterized in that: comprising the opto-electronic hybrid cable unit of any of claims 1 to 8, the opto-electronic hybrid cable further comprising a messenger.

10. The optical-electrical hybrid cable of claim 9, wherein: the suspension wire is a galvanized steel strand, and the size of the galvanized steel strand is 0.4mm×7mm.