CN216212530U

CN216212530U - Photoelectric hybrid cable used indoors

Info

Publication number: CN216212530U
Application number: CN202122516345.0U
Authority: CN
Inventors: 俞晋连; 林中山
Original assignee: Hangzhou Futong Electric Wire & Cable Co ltd
Current assignee: Hangzhou Futong Electric Wire & Cable Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-05
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses an indoor photoelectric hybrid cable which comprises an optical unit, a sheath and an electric wire, wherein the optical unit is a single-mode or multi-mode optical fiber, an optical fiber bundle or an optical fiber ribbon and is arranged in the center of the sheath; a plurality of extension parts are uniformly distributed on the circumference of the sheath, each extension part comprises an outer arc surface on the outer side and a connecting part for connecting the outer arc surface and the sheath, and the extension parts are continuously distributed in the axial direction of the hybrid cable; the electric wire is arranged between the light unit and the outer cambered surface and close to the inner side of the connecting part; the extending part is provided with a tearing part; bonding parts are arranged between every two extending parts. The photoelectric hybrid cable saves space during wiring, avoids using a reinforcing piece, and has light weight, good compression resistance effect and convenient use.

Description

Photoelectric hybrid cable used indoors

Technical Field

The utility model belongs to the field of cables, and particularly relates to an indoor photoelectric hybrid cable.

Background

Fiber to the home is a communication method for directly connecting optical fibers to the home of a user, the coverage rate of the fiber to the home in a super-large city such as the Shanghai is already over 95 percent, and the coverage rate of the fiber to the home in a remote rural area is over 40 percent.

The optical fiber serves as the "last mile of transmission" connecting the subscribers, which typically enters the subscriber's home in the form of an indoor fiber optic cable, taking into account mechanical (compression, tension) and environmental performance, which also contributes to the subsequent speed-up upgrade of the network.

However, the current indoor optical cable is not synchronous with the wiring of the electric wire due to the problems of decoration construction progress and the like, so that one pipeline is used, and the subsequent indoor optical cable still occupies a certain space, and the appearance is influenced if the open-wire wiring is adopted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problems and provides an indoor photoelectric hybrid cable. The problems that indoor optical cables and electric wires are separately wired, occupied space is large, attractiveness is affected by adopting open-wire wiring and the like in the prior art are solved.

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

an optical-electrical hybrid cable for indoor use comprises an optical unit, a sheath and an electric wire, wherein the optical unit is a single-mode or multi-mode optical fiber, an optical fiber bundle or an optical fiber ribbon, and is arranged in the center of the sheath; a plurality of extension parts are uniformly distributed on the circumference of the sheath, each extension part comprises an outer arc surface on the outer side and a connecting part for connecting the outer arc surface and the sheath, and the extension parts are continuously distributed in the axial direction of the hybrid cable; the electric wire is arranged between the light unit and the outer cambered surface and close to the inner side of the connecting part.

Optionally, the extension is provided in three.

Optionally, a water-blocking tape or a water-blocking ointment is wrapped around the outer side of the light unit.

Optionally, the jacket is a flame retardant polyolefin material.

Optionally, a tearing part is arranged on the extending part.

Optionally, the tear is disposed between the extrados and the wire.

Optionally, the tear is disposed between the light unit and the wire.

Optionally, a bonding portion is disposed between every two of the extending portions.

The utility model has the beneficial effects that:

(1) the light unit and the electric wire are arranged in the same structure, so that the strong current and the weak current can be simultaneously wired during wiring, and the space is saved.

(2) The electric wire is arranged around the optical unit, the compression strength and the torsional strength of the electric wire are higher than those of the optical unit, the optical unit can be well protected, meanwhile, a reinforcing piece is avoided, and the weight of the optical cable is reduced.

(3) Set up the extension around the sheath, the outside of extension sets up to the extrados, and when mixed cable met pressure, the extension will play good resistance to compression effect.

(4) The photoelectric hybrid cable disclosed by the utility model uses the flame-retardant polyolefin sheath, so that the fire safety is improved.

(5) The photoelectric hybrid cable is provided with the tearing part, the tearing part is arranged between the outer arc surface and the electric wire, and when the extending part is too long, redundant extending parts can be conveniently torn off; when the tearing part is arranged between the light unit and the electric wire, the light unit and the electric wire can be separated and divided according to actual use requirements.

(6) A bonding part is arranged between every two extending parts, so that the photoelectric mixed cable is fixed when the photoelectric mixed cable is used conveniently.

Description of the drawings:

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

the figures are numbered:

1. light unit, 2, jacket, 3, wire, 4, extension, 41, connection, 42, extrados, 5, tear, 6, bond.

The specific implementation mode is as follows:

the utility model is described in further detail below with reference to specific embodiments and the attached drawing figures. Those skilled in the art will be able to implement the utility model based on these teachings. In addition, the embodiments described in the following description are generally only a part of the embodiments of the present invention, and not all of the embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a number" means at least two, e.g., two, three, etc.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "abutted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, an indoor optical-electrical hybrid cable includes an optical unit 1, a sheath 2, and an electric wire 3, where the optical unit is a single-mode or multi-mode optical fiber, an optical fiber bundle, or an optical fiber ribbon, and the optical unit is disposed in the center of the sheath, and in general, a single optical fiber can meet the use requirements of a home network, but in consideration of easy damage of the optical fiber and subsequent upgrading and reconstruction of the network, an optical unit composed of multiple optical fibers can be used, and in consideration of the problem that the optical unit may wade in actual use, a water blocking tape may be wrapped around the outside of the optical unit or water blocking ointment may be coated on the outside of the optical unit.

The circumference evenly distributed of sheath has three extension 4, the extension includes the extrados 42 in the outside to and connect extrados and the connecting portion 41 of sheath, the extension distributes in succession on mixed cable axial direction, set up the extension around the sheath, the outside of extension sets up to extrados, when mixed cable meets pressure, the extension will play good resistance to compression effect, in this embodiment, extrados adopts the cambered surface outwards, circumference cambered surface length is greater than the setting of connecting portion width, when meetting external pressure, adopt such setting resistance to compression effect more excellent, the extension also can be interrupted the distribution on axial direction, so that cut apart, in this embodiment, the extension distributes in succession on mixed cable axial direction.

Extension and sheath integrated into one piece, integrated into one piece back, mixed cable structure will be more stable, helps further improving its compressive property.

The electric wire sets up between light unit and extrados, is close to the inboard of connecting portion, and the quantity of electric wire corresponds with the quantity of connecting portion, sets up the electric wire around the light unit, and the resistance to compression, the torsional strength of electric wire are higher than the light unit, can carry out good protection to the light unit, avoid using the reinforcement simultaneously, have lightened the weight of optical cable.

Because the photoelectric hybrid cable is mainly used indoors, the sheath is made of flame-retardant polyolefin materials in view of safety.

For convenient use, the tearing part 5 can be arranged on the extension part, the tearing part can be arranged between the outer arc surface and the electric wire or between the optical unit and the electric wire, and when the tearing part is arranged between the outer arc surface and the electric wire and the extension part is too long, redundant extension parts can be conveniently torn off; when the tearing part is arranged between the light unit and the electric wire, the light unit and the electric wire can be separated and divided according to actual use requirements.

In addition, a bonding part 6 is arranged between every two extending parts, so that the photoelectric hybrid cable is convenient to fix on a wall or other supports when in use.

Claims

1. An indoor photoelectric hybrid cable comprises an optical unit, a sheath and electric wires, and is characterized in that the optical unit is a single-mode or multi-mode optical fiber, an optical fiber bundle or an optical fiber ribbon and is arranged in the center of the sheath; a plurality of extension parts are uniformly distributed on the circumference of the sheath, each extension part comprises an outer arc surface on the outer side and a connecting part for connecting the outer arc surface and the sheath, and the extension parts are continuously distributed in the axial direction of the hybrid cable; the electric wire is arranged between the light unit and the outer cambered surface and close to the inner side of the connecting part.

2. The hybrid optical/electrical cable for indoor use according to claim 1, wherein the extension portion is provided in three.

3. The optical-electrical hybrid cable for indoor use according to claim 1, wherein the outer side of the optical unit is wrapped with a water blocking tape or coated with a water blocking paste.

4. The hybrid fiber optic cable as claimed in claim 2, wherein the jacket is a flame retardant polyolefin material.

5. The hybrid fiber optic cable for indoor use according to claim 4, wherein the extension portion is provided with a tear.

6. The hybrid optical/electrical cable for indoor use according to claim 5, wherein the tear portion is provided between the extrados surface and the electric wire.

7. The hybrid optical-electrical cable for indoor use according to claim 5, wherein the tear is provided between the optical unit and the electric wire.

8. The optical-electrical hybrid cable for indoor use according to claim 5, wherein a bonding portion is provided between two of the extension portions.