CN216697953U

CN216697953U - Indoor multi-core butterfly-shaped access photoelectric hybrid cable

Info

Publication number: CN216697953U
Application number: CN202122900919.4U
Authority: CN
Inventors: 徐苏; 符剑松; 谢华
Original assignee: Yangtze Optical Fibre and Cable Co Ltd
Current assignee: Yangtze Optical Fibre and Cable Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-07
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses an indoor multi-core butterfly-shaped access photoelectric hybrid cable which comprises a butterfly-shaped outer sheath, an optical unit and a nonmetal reinforcing part, wherein the mixed cable is divided into a first cable part and a second cable part by a V-shaped tearing groove, the nonmetal reinforcing part is arranged in the first cable part, and the optical unit is arranged in the second cable part; the optical unit is an invisible optical cable and comprises an optical fiber bundle and a transparent optical fiber sheath, wherein the optical fiber bundle comprises a group of bare optical fibers; an electric unit cavity is arranged between the V-shaped tearing grooves, and an electric unit is arranged in the electric unit cavity; two tearing slits are arranged in the outer sheath of the second cable part in the radial direction of the V-shaped tearing groove, and the outer ends and the inner ends of the tearing slits are closed. The photoelectric hybrid cable can improve the tensile property of the optical cable, can meet the comprehensive requirements of high speed communication, power supply and beautiful decoration in modern rooms, and is very convenient to peel and separate photoelectric units.

Description

Indoor multi-core butterfly-shaped access photoelectric hybrid cable

Technical Field

The utility model relates to communication equipment, in particular to an optical cable.

Background

After the 21 st century, with the rapid development of world informatization and the popularization of 5G, the support and help of networks and communication are increasingly unavailable for people's daily life and modern production and work of enterprises, which also promotes the rapid development of optical communication technology. Fiber-to-the-home has become an essential part of the development of information network construction in various countries. Due to the difference of environments of various countries and high requirements on information networks, most indoor butterfly-shaped access photoelectric hybrid cables in the market currently have limited borne tension due to the limitation of structural size, and the normal operation of optical fibers cannot be ensured in some application environments needing to bear large tension. In addition, products related to multi-core invisible optical cables in the market are deficient, and great development and application prospects are realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a unique indoor multi-core butterfly-shaped access photoelectric hybrid cable, which can not only improve the tensile property of the optical cable and enable the optical cable to adapt to a mounting environment with larger tensile force, but also meet the comprehensive requirements of high communication speed, power supply and beautiful decoration in modern rooms because the optical unit is a multi-core invisible optical cable, and the photoelectric unit is very convenient to peel and separate.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an indoor multi-core butterfly-shaped access photoelectric hybrid cable comprises a butterfly-shaped outer sheath, optical units and a nonmetal reinforcing part, wherein a group of V-shaped tearing grooves which are matched up and down are respectively arranged on the upper plane and the lower plane of the butterfly-shaped outer sheath; the V-shaped tearing groove divides the mixed cable into a first cable part and a second cable part, the nonmetallic reinforcing part is arranged in the first cable part, and the optical unit is arranged in the second cable part;

the optical unit is an invisible optical cable and comprises an optical fiber bundle and a transparent optical fiber sheath wrapped outside the optical fiber bundle, and the optical fiber bundle comprises a group of bare optical fibers;

an electric unit cavity is arranged between a group of V-shaped tearing grooves, and an electric unit is arranged in the electric unit cavity;

in the outer sheath of the second cable part, two tearing slits are arranged in a manner that the light unit extends outwards in the radial direction to the V-shaped tearing groove, the two tearing slits are symmetrically arranged up and down, the included angle is 90-150 degrees, and the outer ends and the inner ends of the tearing slits in the radial direction are closed.

Further, the width of the tearing slit is 0.1-0.2 mm, and the length of the tearing slit along the radial direction of the second cable part is 50% -70% of the thickness of the outer sheath at the corresponding position.

Further, the nonmetal reinforcing part is a reinforcing part formed by mixing aramid yarns and glass yarns.

Further, the electric unit comprises two electric wires, each electric wire comprises a conducting wire and an insulating sheath wrapped outside, and the insulating sheaths of the two electric wires are connected into a whole through a tearing tape. The electric wire is a 24AWG wire.

Furthermore, the electric unit comprises four electric wires, each electric wire comprises a conducting wire and an insulating sheath wrapped outside, and the insulating sheaths of the four electric wires are connected in pairs and connected into a whole through tearing tapes to form a square structure. The electric wire is 24AWG wire.

The indoor multi-core butterfly-shaped access photoelectric hybrid cable has a unique structure, has excellent tensile property, can adapt to a mounting environment with larger tensile force, has excellent comprehensive performance, and can meet the comprehensive requirements of high communication speed, power supply and beautiful decoration in modern rooms.

In particular, the advantages are as follows:

1) the photoelectric hybrid cable is novel in structural design, and skillfully combines the invisible optical cable, the electric unit, the reinforcing piece and the butterfly-shaped cable together. The non-metal reinforcement, the electrical unit and the invisible optical cable can be easily separated from each other, and the construction time and the cost are saved. The V-shaped tearing groove is of a primary tearing structure, and can separate the first cable part from the second cable part to separate an electric unit; the tearing slits are of a secondary tearing structure, and the optical unit can be easily separated from the second cable part after the first cable part and the second cable part are separated through the tearing slits.

2) According to the utility model, the invisible optical cable is adopted, and the transparent optical fiber sheath wraps the optical fiber bundle containing the bare optical fiber, so that good invisible effect can be obtained in indoor wiring without influencing indoor decoration.

3) The electric unit comprises two or four electric wires, and the traditional method of directly embedding the electric wires into the sheath is abandoned, and the electric wires are connected with each other pairwise through the small-neck tearing bands and then placed in the electric unit cavity in the middle of the sheath, so that the weight of the optical cable can be effectively reduced, the electric wires are not easy to wind, and the electric wires can be quickly separated.

4) According to the utility model, the nonmetal reinforcing member adopts the mixture of aramid yarn and glass yarn to replace the traditional FRP (fiber reinforced plastic) of the glass fiber reinforcing rod, so that the photoelectric mixed cable is softer, the elastic modulus of the nonmetal reinforcing member is improved, and the optical cable has more excellent tensile resistance on the premise of not changing the size greatly.

Drawings

Fig. 1 is a schematic structural diagram of an indoor multi-core butterfly access optical/electrical hybrid cable according to one embodiment of the present invention, where an electrical unit includes four electrical wires.

Fig. 2 is a second schematic structural diagram of an indoor multi-core butterfly-shaped access optical/electrical hybrid cable according to the present invention, wherein an electrical unit includes two electrical wires.

In the figure:

1. optical fiber bundle 2, transparent optical fiber sheath

3. Tearing slit 4, electric unit

401. Tearing area 5, non-metal reinforced layer

6. Outer sheath 7 and V-shaped tearing groove

Detailed Description

The utility model is further described below with reference to the figures and examples.

Fig. 1 and 2 show an indoor multi-core butterfly-shaped access photoelectric hybrid cable, including butterfly-shaped oversheath 6, optical unit and nonmetal reinforcement 5, oversheath 6 is made by the low smoke and zero halogen material of high fire-retardant low coefficient of friction, not only can provide excellent fire behavior for the optical cable, and low coefficient of friction has also guaranteed that the optical cable also can be competent in the installation and the laying of complex environment simultaneously. The nonmetal reinforcing part is a reinforcing part formed by mixing aramid yarns and glass yarns.

A group of V-shaped tearing grooves 7 which are matched up and down are respectively arranged on the upper plane and the lower plane of the butterfly-shaped outer sheath 6; the V-shaped tear groove 7 divides the hybrid cable into a first cable part and a second cable part, the non-metallic reinforcement 5 is provided in the first cable part, and the optical unit is provided in the second cable part.

The optical unit is an invisible optical cable and comprises an optical fiber bundle 1 and a transparent optical fiber sheath 2 wrapped outside, the optical fiber bundle comprises a group of 1-12 bare optical fibers and a transparent resin sheath wrapped outside, the optical fibers are G.657 optical fibers and G.657 optical fibers, and the invisible optical cable has excellent bending resistance. The transparent sheath 2 is made of nylon, transparent PUR or PVC, so that the optical cable has excellent bending resistance and pressure resistance, and meanwhile, the invisible optical cable is easier to peel.

An electrical unit cavity is arranged between a group of the V-shaped tearing grooves 7, and an electrical unit is arranged in the electrical unit cavity.

In one embodiment of the electrical unit, as shown in fig. 1, the electrical unit includes four wires, each wire includes a conducting wire and an insulating sheath wrapped outside, and the insulating sheaths of the four wires are connected in pairs and connected into a whole through tear tapes 401 to form a square structure. The electric wire is a 24AWG wire.

In a second embodiment of the electrical unit, the electrical unit includes two electrical wires, each electrical wire includes a conducting wire and an insulating sheath wrapped outside, and the insulating sheaths of the two electrical wires are connected into a whole through a tearing tape 401. The electric wire is a 24AWG wire.

The electrical unit 4 may also take other conventional forms due to differences in design and requirements.

In the outer sheath of the second cable part, two tearing slits 3 are arranged from the light unit 1 to the V-shaped tearing groove 7 in a manner of extending outwards in the radial direction, the two tearing slits 3 are symmetrically arranged up and down, and the included angle is 100 degrees (the included angle can be adjusted between 90 degrees and 150 degrees according to the characteristics and requirements of products), and the outer end and the inner end of each tearing slit 3 in the radial direction are closed. The width of the tearing slit 3 is 0.1-0.2 mm, the length of the tearing slit 3 along the radial direction of the second cable part is 50% -70% of the thickness of the outer sheath at the corresponding position, and the width and the radial length of the tearing slit 3 can be properly adjusted according to the specific requirements of products.

Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An indoor multi-core butterfly-shaped access photoelectric hybrid cable comprises a butterfly-shaped outer sheath, optical units and a nonmetal reinforcing part, wherein a group of V-shaped tearing grooves which are matched up and down are respectively arranged on the upper plane and the lower plane of the butterfly-shaped outer sheath; the method is characterized in that: the V-shaped tearing groove divides the mixed cable into a first cable part and a second cable part, the non-metal reinforcing piece is arranged in the first cable part, and the optical unit is arranged in the second cable part;

2. The hybrid optical-electrical cable of claim 1, wherein: the width of the tearing slit is 0.1-0.2 mm, and the length of the tearing slit along the radial direction of the second cable part is 50% -70% of the thickness of the outer sheath at the corresponding position.

3. The hybrid optical-electrical cable of claim 1, wherein: the nonmetal reinforcing part is a reinforcing part formed by mixing aramid yarns and glass yarns.

4. The opto-electric hybrid cable of any one of claims 1 to 3 wherein: the electric unit comprises two electric wires, each electric wire comprises a conducting wire and an insulating sheath wrapped outside, and the insulating sheaths of the two electric wires are connected into a whole through a tearing tape.

5. The hybrid optical-electrical cable of claim 4, wherein: the electric wire is 24AWG wire.

6. The opto-electric hybrid cable of any one of claims 1 to 3 wherein: the electric unit comprises four electric wires, each electric wire comprises a conducting wire and an insulating sheath wrapped outside, and the insulating sheaths of the four electric wires are connected in pairs and connected into a whole through tearing tapes to form a square structure.

7. The hybrid optical-electrical cable of claim 6, wherein: the electric wire is a 24AWG wire.