CN215730926U

CN215730926U - Flexible self-adhesive photoelectric hybrid optical cable

Info

Publication number: CN215730926U
Application number: CN202121928744.1U
Authority: CN
Inventors: 覃磊; 李涛; 胡明浩; 张华�; 陈芳; 李林峰; 罗宇鹏
Original assignee: Chengdu Hengtong Optical Communication Co Ltd
Current assignee: Chengdu Hengtong Optical Communication Co Ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-01
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to a flexible self-adhesive photoelectric hybrid optical cable which comprises a cable core and an outer sheath layer coated outside the cable core, wherein the cable core comprises an optical unit arranged in the center and electric units arranged on two sides of the optical unit; the oversheath layer is the D style of calligraphy, and the oversheath includes plane lateral wall and circular-arc lateral wall, and the outside of oversheath layer is provided with the self-adhesive tape, and the self-adhesive tape subsides are applied on the plane lateral wall. When transmitting optical signal, can provide electric power, and the optical cable quality is light, and the pliability is good, and convenient the fixing reduces the engineering time.

Description

Flexible self-adhesive photoelectric hybrid optical cable

Technical Field

The utility model relates to the technical field of cable manufacturing, in particular to a flexible self-adhesive photoelectric hybrid optical cable.

Background

With the rapid development of social digital economy and 5G, in the promotion process of the ubiquitous all-optical network, the copper entering of light is continuously deepened, and the gigabit network from optical fibers to homes and optical fibers to desktops is upgraded at the present stage, so that simultaneous transmission of optical signals and electric energy is required, the construction of the gigabit network in the 5G era, and the construction of new capital construction, smart cities and smart buildings are required.

The photoelectric mixed optical cable in the current market uses the traditional cable manufacturing method to coat the electrified cable and the optical fiber for signal transmission in the protective layer; the structure is complex, and the weight of the cable is heavy; moreover, as the internal structure of the cable is filled with fillers, the cable is laid indoors and has a plurality of turns and pipeline transfer, the flexibility and the bending property are poor, and the indoor laying facilities are difficult to fix; the difficulty of workers in the laying process is high.

Therefore, it is necessary to invent a flexible self-adhesive photoelectric hybrid optical cable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the problems of poor flexibility of the cable and laying and fixing in a room in the prior art.

In order to solve the technical problem, the utility model provides a flexible self-adhesive photoelectric hybrid optical cable which comprises a cable core and an outer sheath layer coated outside the cable core, wherein the cable core comprises an optical unit arranged in the center and electric units arranged on two sides of the optical unit; the oversheath layer is the D style of calligraphy, the oversheath includes plane lateral wall and circular-arc lateral wall, the outside of oversheath layer is provided with the self-adhesive tape, the self-adhesive tape subsides are applied on the plane lateral wall.

In one embodiment of the present invention, the optical unit includes a central beam tube and an optical fiber ribbon disposed within the central beam tube.

In one embodiment of the present invention, the electrical unit includes a copper wire and a copper wire protective layer; the copper wire protective layer is coated on the outer side of the copper wire.

In one embodiment of the present invention, the optical fiber ribbon is composed of a plurality of optical fibers, and the optical fibers are formed into a ribbon-like structure by a photo-curing resin ribbon-processing.

In one embodiment of the utility model, the outside diameter of the central beam tube is 2.4mm to 2.6 mm.

In one embodiment of the utility model, the optical fiber ribbon is provided with grooves on both sides and self-adhesive on one side.

In one embodiment of the utility model, the groove is provided between two adjacent optical fibers.

In one embodiment of the present invention, the thickness of the fiber optic ribbon is less than 0.45 mm.

In one embodiment of the present invention, the copper wire is stranded by a plurality of fine copper wires.

In one embodiment of the present invention, the outer sheath layer is made of white low smoke halogen-free polyolefin material.

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

the flexible self-adhesive photoelectric hybrid optical cable can provide optical signals and electric power at the same time, and the characteristic of easy separation of self-adhesion enables construction and fixation of the home-entering section of the hybrid optical cable to be more convenient, reduces construction time and facilitates indoor laying.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

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

FIG. 2 is an enlarged view of a portion of the present invention;

the specification reference numbers indicate: 1. an outer jacket layer; 2. a central beam tube; 3. a copper wire; 4. self-adhesive glue; 5. an optical fiber ribbon; 6. self-adhesive tape.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1, the cable comprises a cable core and an outer sheath layer coated outside the cable core, wherein the cable core comprises an optical unit arranged in the center and electric units arranged on two sides of the optical unit; the protective sleeve layer 1 is D-shaped, the protective sleeve comprises a plane side wall and an arc side wall, a self-adhesive tape 6 is arranged on the outer side of the protective sleeve layer, and the self-adhesive tape 6 is pasted on the plane side wall; the cable can provide power while transmitting optical signals, so that the terminal requirements of electronic equipment are met; the D-shaped cable is beneficial to fixation during laying; secondly set up on the oversheath layer 1 by self-adhesive tape 6 for mixed optical cable is in the home the section construction with fixed more convenient, reduce the engineering time, indoor laying of being convenient for.

Specifically, the optical unit includes a central beam tube 2 and an optical fiber ribbon 5 disposed inside the central beam tube 2; the central beam tube 2 can protect the optical fiber, increase the lateral pressure resistance of the optical fiber and reduce the influence of stress action on the quality of the optical fiber in the construction process.

Specifically, the optical fiber ribbon 5 is composed of a plurality of optical fibers; the outer side of the optical fiber ribbon 5 is provided with a central beam tube 2;

specifically, the electrical unit includes a copper wire 3 and a copper wire 3 protective layer; the copper wire 3 is coated with a protective layer outside the copper wire 3; the copper wire 3 can be insulated by a protective layer of the copper wire 3 for transmitting power through the copper wire 3.

Specifically, the optical fiber ribbon 5 is composed of a plurality of optical fibers, and the optical fibers are subjected to ribbon combination treatment by using light-cured resin to form a ribbon structure; one optical fiber ribbon 5 consists of four optical fibers, is cured by adopting optical resin, and is subjected to cross-linking curing through light irradiation, so that the optical fibers are fixed on the premise of ensuring the performance of the optical fibers; secondly, the light resin has fast curing speed, high production efficiency and energy conservation.

Specifically, the outer diameter of the central beam tube 2 is 2.4mm-2.6 mm; and 2.5mm beam tubes are adopted, so that the space of the optical fiber ribbon 5 is reduced to the maximum extent, and the tensile strength and the lateral pressure resistance of the cable core are enhanced.

Specifically, grooves are arranged on two sides of the optical fiber ribbon 5, and self-adhesive 4 is arranged on one side of the optical fiber ribbon 5; the groove is V-shaped, optical fibers are secondarily combined, and a V-shaped groove is machined through a die; the optical fiber is convenient to separate easily and tear easily when being connected; after the optical fibers are connected, the self-adhesive 4 can be used for fixing redundant optical fibers, so that the construction time is reduced, and indoor laying is facilitated.

Specifically, as shown in fig. 2, the groove is formed between two adjacent optical fibers, and the four optical fibers are provided with three V-shaped grooves, so that the optical fibers can be conveniently separated from each other.

Specifically, the thickness of the cured resin layer is less than 0.45mm, the optical fiber ribbon 5 needs to be subjected to resin doubling twice through cured resin, the flatness of the optical fiber ribbon 5 is controlled for the first time, the thickness of the cured resin layer needs to be strictly controlled for the second time, and the thickness of the cured resin layer is reduced by 0.15mm compared with that of a conventional tight-sleeved optical fiber ribbon, so that the self-cured ribbon optical fiber has better flexibility; importantly, the tear force of the ribbon 5 is assured, as is the separation of the optical fibers.

Specifically, the copper wire 3 is formed by twisting a plurality of strands of thin copper wires 3; the metal copper conductor is adopted to replace the traditional steel wire to serve as a reinforcing piece of the photoelectric hybrid cable, and is formed by stranding a plurality of strands of fine copper wires, so that the flexibility of the photoelectric hybrid cable is better compared with that of a steel wire reinforcing piece; in the indoor laying process, the multi-corner-angle tile can be easily laid in a multi-corner place.

Specifically, the outer sheath layer 1 is made of white low-smoke halogen-free polyolefin material; the self-extinguishing property of the low-smoke halogen-free material is utilized to realize the flame retardance of the optical cable.

In conclusion, the flexible self-adhesive photoelectric hybrid optical cable can transmit signals and simultaneously provide power. The flexibility of the optical fiber is ensured while the optical fiber is smoothly torn through the banding of the cured resin to the optical fiber. The self-adhesive 4 can ensure the fixation of the optical fiber when the optical fiber is connected into a room; in addition, the flame-retardant protective layer is wear-resistant and fireproof, so that the normal use of the cable core inside the flame-retardant protective layer is ensured; whole optical cable's is small, and the quality is light, and self is provided with self-adhesive tape 6, can directly lay and fix in basement shadow region, "D type" self-adhesive structure conveniently laminates the wall, and quick fixed optical cable has promoted the efficiency of construction of mixed optical-electrical cable.

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 therefrom are within the scope of the utility model.

Claims

1. A flexible self-adhesive photoelectric hybrid optical cable is characterized in that: the cable comprises a cable core and an outer sheath layer coated outside the cable core, wherein the cable core comprises an optical unit arranged in the center and electric units arranged on two sides of the optical unit; the oversheath layer is the D style of calligraphy, the oversheath includes plane lateral wall and circular-arc lateral wall, the outside of oversheath layer is provided with the self-adhesive tape, the self-adhesive tape subsides are applied on the plane lateral wall.

2. The flexible self-adhesive opto-electric hybrid cable according to claim 1, characterized in that: the optical unit includes a central beam tube and an optical fiber ribbon disposed within the central beam tube.

3. The flexible self-adhesive opto-electric hybrid cable according to claim 1, characterized in that: the electrical unit comprises a copper wire and a copper wire protective layer; the copper wire protective layer is coated on the outer side of the copper wire.

4. The flexible self-adhesive opto-electric hybrid cable according to claim 2, characterized in that: the optical fiber ribbon is composed of a plurality of optical fibers, and the optical fibers are subjected to ribbon combination treatment through light-cured resin to form a ribbon structure.

5. The flexible self-adhesive opto-electric hybrid cable according to claim 2, characterized in that: the outer diameter of the central beam tube is 2.4mm-2.6 mm.

6. The flexible self-adhesive opto-electric hybrid cable according to claim 2, characterized in that: the optical fiber ribbon both sides are provided with the recess, optical fiber ribbon one side is provided with self-adhesive.

7. The flexible self-adhesive opto-electrical hybrid cable according to claim 6, characterized in that: the groove is disposed between two adjacent optical fibers.

8. The flexible self-adhesive opto-electrical hybrid cable according to claim 2, characterized in that; the thickness of the optical fiber ribbon is less than 0.45 mm.

9. The flexible self-adhesive opto-electric hybrid cable according to claim 3, characterized in that: the copper wire is formed by stranding a plurality of strands of thin copper wires.

10. The flexible self-adhesive opto-electric hybrid cable according to claim 1, characterized in that: the outer sheath layer is made of white low-smoke halogen-free polyolefin material.