CN213070690U

CN213070690U - Self-supporting water-absorbing light-emitting composite optical cable

Info

Publication number: CN213070690U
Application number: CN202021766369.0U
Authority: CN
Inventors: 杜长军; 李新华
Original assignee: Dongguan Tw Scie Co ltd
Current assignee: Dongguan Tw Scie Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-27
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a self-supporting water-absorbing and light-emitting composite optical cable, which comprises an outer sheath, a water-blocking layer, an armor layer, a suspension wire, an electric transmission unit and a plurality of optical transmission units; the middle of the outer sheath is clamped with an aramid woven layer, and the outer sheath comprises an upper main body part, a connecting part and a lower main body part which are sequentially connected in an integrated manner; the water-resistant layer and the armor layer are both arranged in the lower main body part, and the armor layer is coated outside the water-resistant layer; the suspension wire is arranged in the upper main body; the water absorbing layers are arranged on the outer side surfaces of the upper main body part and the lower main body part of the outer sheath, and can absorb water drops on the outer surface of the optical cable, so that the water drops are prevented from staying on the outer surface of the optical cable for a long time, and the optical cable can be prevented from being aged under the sun due to the water drops; meanwhile, the fluorescent layer is arranged on the outer side face of the connecting portion of the outer sheath, so that the composite optical cable can clearly know the position of the optical cable under the condition of insufficient light at night, and the optical cable is prevented from being damaged by workers.

Description

Self-supporting water-absorbing light-emitting composite optical cable

Technical Field

The utility model belongs to the technical field of the communication optical cable technique and specifically relates to indicate a self-supporting luminous type composite optical cable that absorbs water.

Background

The triple play is a system that integrates the existing traditional telecommunication network (PSTN), computer network and broadcast television network to form a unified network system, and a fully digital network is not applied to support the communication of all services including data, voice and image. And "four-in-one" is also called "1 + 3" technical solution. 1 denotes an electric power transmission network, and 3 is the aforementioned three networks of "three-in-one". Of course, the purpose of three-in-one or four-in-one is that after several networks are combined, it can provide lower price, more efficient, more diversified and more convenient service for users, and can also realize the strategic interests of the country. In this sense, three-network or four-network-in-one is the ideal network. Therefore, three networks in one were popular with technical experts many years ago and even at present. In order to realize such a network, cables suitable for such a network are used, and the bandwidth becomes a bottleneck of a general cable.

The three-in-one or four-in-one relates to a photoelectric composite cable, the photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, and is a novel access mode, the photoelectric composite cable integrates an optical fiber and a transmission copper wire, and can solve the problems of broadband access, equipment power consumption and signal transmission.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a self-supporting water-absorbing and light-emitting composite optical cable, which can effectively solve the problem that the existing composite optical cable is easy to age due to the water drops adhered on the outer surface and is difficult to find the position of the optical cable at night.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a self-supporting water-absorbing light-emitting composite optical cable comprises an outer sheath, a water-blocking layer, an armor layer, a suspension wire, an electric transmission unit and a plurality of optical transmission units; the outer sheath comprises an upper main body part, a connecting part and a lower main body part which are sequentially connected in an integrated manner, water absorbing layers are arranged on the outer side surfaces of the upper main body part and the lower main body part, and a fluorescent layer is arranged on the outer side surface of the connecting part; the water-resistant layer and the armor layer are both arranged in the lower main body part, and the armor layer is coated outside the water-resistant layer; the suspension wire is arranged in the upper main body; the electric transmission unit and the plurality of optical transmission units are arranged in the water blocking layer, the plurality of optical transmission units are uniformly distributed around the electric transmission unit, and the aramid woven layer surrounds the suspension wire, the electric transmission unit and the plurality of optical transmission units.

As a preferred embodiment: the water absorbing layer is made of water absorbing material of polyacrylate resin, polyvinyl alcohol resin, polyacrylic amide resin or polyoxyethylene resin, and has a strip structure and extends along the direction of the optical cable.

As a preferred embodiment: the optical transmission unit comprises an optical fiber sheath, an optical fiber and two reinforcing parts, wherein the optical fiber and the two reinforcing parts are arranged in the optical fiber sheath, and the optical fiber is positioned between the two reinforcing parts.

As a preferred embodiment: the electric transmission unit comprises a conductor, an insulating layer and a shielding layer, wherein the insulating layer is coated outside the conductor, and the shielding layer is coated outside the insulating layer.

As a preferred embodiment: the suspension wire is a stranded steel wire or a single steel wire.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the water absorbing layers are arranged on the outer side surfaces of the upper main body part and the lower main body part of the outer sheath, and can absorb water drops on the outer surface of the optical cable, so that the water drops are prevented from staying on the outer surface of the optical cable for a long time, and the optical cable can be prevented from being aged under the sun due to the water drops; meanwhile, the fluorescent layer is arranged on the outer side face of the connecting portion of the outer sheath, so that the composite optical cable can clearly know the position of the optical cable under the condition of insufficient light at night, and the optical cable is prevented from being damaged by workers.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a cross-sectional view of a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. outer sheath 11 and upper body part

12. Connecting part 13 and lower body part

20. Water-resistant layer 30 and armor layer

40. Suspension wire 50 and electricity transmission unit

51. Conductor 52, insulating layer

53. Shielding layer 60 and optical transmission unit

61. Optical fiber sheath 62 and optical fiber

63. Reinforcing member 70 and aramid woven layer

80. Water absorbing layer 90, fluorescent layer.

Detailed Description

Referring to fig. 1, there is shown a specific structure of a preferred embodiment of the present invention, which includes an outer sheath 10, a water-blocking layer 20, an armor layer 30, a suspension wire 40, an electrical transmission unit 50, and a plurality of optical transmission units 60.

The aramid woven layer 70 is clamped in the middle of the outer sheath 10, and the aramid woven layer 70 can improve the overall strength of the outer sheath 10 and prevent the outer sheath 10 from breaking to cause disconnection. The outer sheath 10 includes an upper main body 11, a connecting portion 12 and a lower main body 13 which are integrally formed and connected in sequence, water absorbing layers 80 are respectively arranged on the outer side surfaces of the upper main body 11 and the lower main body 13, the water absorbing layers 80 can absorb water drops on the outer surface of the optical cable to prevent the water drops from staying on the outer surface of the optical cable for a long time to cause accelerated aging of the optical cable under the sun, the water absorbing layers 80 are made of water absorbing materials such as polyacrylate resin, polyvinyl alcohol resin, polyacrylamide resin or polyoxyethylene resin, in the embodiment, the water absorbing layers 80 are in a strip structure and extend along the direction of the optical cable, and the design not only plays a role in water absorption, but also can improve the tensile property of the optical cable. The fluorescent layer 90 is arranged on the outer side surface of the connecting part 12, the fluorescent layer 90 can enable the optical cable to be easily perceived at night, the optical cable is prevented from being damaged in the environment with poor light, and the safety of the optical cable in use is improved.

This water-blocking layer 20 and armor 30 all set up in main part 13 down, and this armor 30 cladding is outside water-blocking layer 20, and the direct holistic intensity of optical cable that has promoted of this armor 30, and this water-blocking layer 20 can prevent that outside liquid from entering into the inside of optical cable.

The suspension wire 40 is disposed in the upper body, and the suspension wire 40 is a twisted steel wire or a single steel wire. The suspension wire 40 is used to support the entire cable.

The electrical transmission unit 50 is disposed in the waterproof layer 20, the waterproof layer 20 can effectively prevent external liquid from entering the electrical transmission unit 50, the electrical transmission unit 50 includes a conductor 51, an insulating layer 52 and a shielding layer 53, the insulating layer 52 is covered outside the conductor 51, and the shielding layer 53 is covered outside the insulating layer 52.

The plurality of light transmission units 60 are disposed in the waterproof layer 20, the waterproof layer 20 can effectively prevent external liquid from entering the light transmission units 60, the plurality of light transmission units 60 are uniformly distributed around the electric transmission unit 50, and the aramid braid 70 surrounds the suspension wire 40, the electric transmission unit 50 and the plurality of light transmission units 60. The optical transmission unit 60 includes a sheath 61 of an optical fiber 62, and two reinforcements 63, wherein the optical fiber 62 and the two reinforcements 63 are disposed in the sheath 61 of the optical fiber 62, and the optical fiber 62 is disposed between the two reinforcements 63.

The utility model discloses a design focus lies in:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a self-supporting luminous type composite optical cable that absorbs water which characterized in that: the device comprises an outer sheath, a water-resistant layer, an armor layer, a suspension wire, an electric transmission unit and a plurality of optical transmission units; the outer sheath comprises an upper main body part, a connecting part and a lower main body part which are sequentially connected in an integrated manner, water absorbing layers are arranged on the outer side surfaces of the upper main body part and the lower main body part, and a fluorescent layer is arranged on the outer side surface of the connecting part; the water-resistant layer and the armor layer are both arranged in the lower main body part, and the armor layer is coated outside the water-resistant layer; the suspension wire is arranged in the upper main body; the electric transmission unit and the plurality of optical transmission units are arranged in the water blocking layer, the plurality of optical transmission units are uniformly distributed around the electric transmission unit, and the aramid woven layer surrounds the suspension wire, the electric transmission unit and the plurality of optical transmission units.

2. The self-supporting water-absorbing light-emitting composite optical cable according to claim 1, wherein: the water absorbing layer is made of water absorbing material of polyacrylate resin, polyvinyl alcohol resin, polyacrylic amide resin or polyoxyethylene resin, and has a strip structure and extends along the direction of the optical cable.

3. The self-supporting water-absorbing light-emitting composite optical cable according to claim 1, wherein: the optical transmission unit comprises an optical fiber sheath, an optical fiber and two reinforcing parts, wherein the optical fiber and the two reinforcing parts are arranged in the optical fiber sheath, and the optical fiber is positioned between the two reinforcing parts.

4. The self-supporting water-absorbing light-emitting composite optical cable according to claim 1, wherein: the electric transmission unit comprises a conductor, an insulating layer and a shielding layer, wherein the insulating layer is coated outside the conductor, and the shielding layer is coated outside the insulating layer.

5. The self-supporting water-absorbing light-emitting composite optical cable according to claim 1, wherein: the suspension wire is a stranded steel wire or a single steel wire.