CN219065818U

CN219065818U - Skeleton type optical fiber

Info

Publication number: CN219065818U
Application number: CN202223514049.8U
Authority: CN
Inventors: 李德健; 夏红军; 罗斯东
Original assignee: SHENZHEN KAMAXOPTIC COMMUNICATION Ltd
Current assignee: SHENZHEN KAMAXOPTIC COMMUNICATION Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-23
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a skeleton type optical fiber which comprises an optical fiber skeleton, wherein a plurality of groups of skeleton blocks are fixedly connected to the outside of the optical fiber skeleton, and a wire main body is arranged between the plurality of groups of skeleton blocks. The outside of the optical fiber skeleton is annularly provided with a plurality of groups of skeleton blocks, a plurality of fan-shaped spaces are formed by the skeleton blocks and the transversely arranged water blocking belts, a plurality of groups of lead main bodies are arranged in the fan-shaped spaces, fiber cores and cladding arranged in the lead main bodies are made of glass fibers, an aramid yarn layer is filled between the water blocking belts and the coating layers and is protected by the coating layers, double-sided plastic coated steel belts are longitudinally arranged outside the water blocking belts, bending resistance of the optical fibers can be improved by the arrangement of the water blocking belts and the double-sided plastic coated steel belts, and the optical fibers are protected by protective layers arranged outside the double-sided plastic coated steel belts, so that high-temperature resistance, corrosion resistance and high electrical insulation performance of the optical fibers are improved.

Description

Skeleton type optical fiber

Technical Field

The utility model relates to the field of optical fibers, in particular to a skeleton type optical fiber.

Background

An optical fiber is a fiber made of glass or plastic and can be used as a light transmission tool.

Skeleton formula optic fibre is through setting up optic fibre inside the skeleton to through the optic fibre that the water blocking tape that sets up, protective layer etc. protect, traditional skeleton formula optic fibre is direct with optic fibre setting inside the skeleton, the skeleton does not carry out deep protection to inside optic fibre, when the outside damage of skeleton optic fibre, the optic fibre of inside setting still can be corroded the damage, influences normal use.

Disclosure of Invention

The present utility model is directed to a skeleton-type optical fiber, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a skeleton optical fiber, comprising:

the optical fiber framework is fixedly connected with a plurality of groups of framework blocks outside the optical fiber framework, and a wire main body is arranged among the plurality of groups of framework blocks;

the wire main body comprises a fiber core, a plurality of groups of fiber cores are arranged, the fiber cores are arranged in a ring-shaped array, the cladding is arranged in the ring-shaped array, a plurality of groups of fiber cores are arranged in the cladding, and the cladding is arranged in the ring-shaped array.

Preferably, the plurality of groups of cladding layers are arranged inside the coating layer, a filling layer is arranged outside the cladding layers, and the filling layer is arranged between the cladding layers and the coating layer.

Preferably, the multiple groups of framework blocks are arranged in an annular mode, a water blocking belt is arranged outside the framework blocks, and multiple groups of fan-shaped sections are arranged between the framework blocks and the water blocking belt.

Preferably, the water blocking belt is provided with a double-sided plastic coated steel belt outside, and the water blocking belt is provided with a protective layer outside.

The utility model has the technical effects and advantages that:

the utility model utilizes a matched arrangement mode, a plurality of groups of skeleton blocks are arranged on the outer annular array of the optical fiber skeleton, a plurality of fan-shaped spaces are formed by the skeleton blocks and the transversely arranged water-blocking belts, a plurality of groups of wire main bodies are arranged in the fan-shaped spaces, double-sided plastic-coated steel belts are longitudinally arranged outside the water-blocking belts, the arrangement of the water-blocking belts and the double-sided plastic-coated steel belts can improve the bending resistance of the optical fiber, the optical fiber is protected by a protective layer arranged outside the double-sided plastic-coated belts, the fiber cores and the cladding arranged inside the wire main bodies are made of glass fibers, an aramid yarn layer is filled between the water-blocking belts and the coating layers, and the high-temperature resistance, corrosion resistance and high electrical insulation performance of the optical fiber are improved by the protection of the coating layers.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic diagram of a front view of an optical fiber according to the present utility model.

In the figure: 1. an optical fiber skeleton; 2. a skeleton block; 3. a lead body; 31. a fiber core; 32. a cladding layer; 33. a filling layer; 34. a coating layer; 4. a water blocking tape; 5. double-sided plastic-coated steel strip; 6. and (3) a protective layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a skeleton-type optical fiber as shown in fig. 1-2, comprising:

the optical fiber framework 1, a plurality of groups of framework blocks 2 are fixedly connected to the outside of the optical fiber framework 1, a wire main body 3 is arranged between the plurality of groups of framework blocks 2, the plurality of groups of framework blocks 2 are annularly arranged, a water blocking belt 4 is arranged outside the framework blocks 2, a plurality of groups of fan-shaped sections are arranged between the framework blocks 2 and the water blocking belt 4, a double-sided plastic coated steel belt 5 is arranged outside the water blocking belt 4, and a protective layer 6 is arranged outside the water blocking belt 4;

through above-mentioned technical scheme, the outside basis of optic fibre skeleton 1 is provided with the screw groove, and the skeleton piece 2 that the outside annular array set up of cooperation forms a plurality of fan-shaped spaces for place wire main part 3, the outside transversely is provided with the water blocking tape 4 of skeleton piece 2, and water blocking tape 4 is by polyester fiber nonwoven, high swelling material, the polyester fiber nonwoven complex in turn forms, polyester fiber: the polyethylene terephthalate is used as a main raw material, a certain functional master batch is added, after melting, extrusion, high-speed spinning and high-rate stretching are carried out, the polyester PET is cut by a special surface treatment process by a special cutting machine, the appearance is a bundle-shaped structure formed by cross polymerization of a plurality of fiber monofilaments, a double-sided plastic coated steel belt 5 arranged outside a water blocking belt 4 is arranged longitudinally, the double-sided plastic coated steel belt 5 is processed by using the polyethylene terephthalate PET as the main raw material, the polyethylene terephthalate PET is produced by polycondensation of terephthalic acid PTA and ethylene EG, part of PET is finally pelletized under water, the temperature can reach 120 ℃, the electrical insulation performance is excellent, even under high temperature and high frequency, the electrical performance is still higher, a protective layer 6 arranged outside the double-sided plastic coated steel belt 5 is made of polyethylene which is thermoplastic resin prepared by polymerization of ethylene, and has high temperature resistance, corrosion resistance and high electrical insulation performance;

the lead body 3 comprises fiber cores 31, the fiber cores 31 are provided with a plurality of groups, the fiber cores 31 are arranged in a ring array, the cladding 32 is provided with a plurality of groups, the cladding 32 is arranged in a ring array, the cladding 32 is arranged in a coating 34, the cladding 32 is externally provided with a filling layer 33, and the filling layer 33 is arranged between the cladding 32 and the coating 34;

through the technical scheme, the fiber core 31 and the cladding 32 are composed of glass with different refractive indexes, the fiber core 31 is high-refractive-index glass (germanium-doped silicon dioxide), the cladding 32 is low-refractive-index silicon glass (pure silicon dioxide), the filling layer 33 is made of aramid yarn, the aramid yarn is novel high-tech synthetic fiber, and the fiber is not repeated herein, and the coating layer 34 is composed of acrylic ester, silicon rubber, nylon and the like, so that the fiber has good protection performance;

the working principle of the utility model is as follows:

the outside annular array of optic fibre skeleton 1 is provided with multiunit skeleton piece 2, form a plurality of fan-shaped spaces through skeleton piece 2 and the water blocking tape 4 that transversely sets up, afterwards set up multiunit wire main part 3 in fan-shaped space is inside, the fine core 31 that the inside setting of wire main part 3 and covering 32 are all made by glass fiber, and pack between water blocking tape 4 and coating 34 and have aramid yarn layer, and protect through coating 34, it is vertically provided with double-sided plastic-coated steel strip 5 to block water tape 4 outside, the setting of water blocking tape 4 and double-sided plastic-coated steel strip 5 can promote the bending resistance of optic fibre, afterwards protect it through the protective layer 6 that double-sided plastic-coated steel strip 5 outside set up, promote optic fibre high temperature resistant, corrosion-resistant, high performance of electrical insulating property.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that falls within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. A skeleton optical fiber, comprising:

the optical fiber framework (1), wherein a plurality of groups of framework blocks (2) are fixedly connected to the outside of the optical fiber framework (1), and a wire main body (3) is arranged between the plurality of groups of framework blocks (2);

the novel high-voltage power supply is characterized in that the wire main body (3) comprises fiber cores (31), the fiber cores (31) are provided with a plurality of groups, the fiber cores (31) are arranged in a ring-shaped array, the fiber cores (31) are provided with cladding layers (32), the cladding layers (32) are provided with a plurality of groups, and the cladding layers (32) are arranged in a ring-shaped array.

2. A skeleton-type optical fiber according to claim 1, characterized in that a plurality of sets of the cladding layers (32) are provided inside the coating layer (34), a filling layer (33) is provided outside the cladding layers (32), and the filling layer (33) is provided between the cladding layers (32) and the coating layer (34).

3. The skeleton-type optical fiber according to claim 1, wherein the skeleton blocks (2) are arranged in a ring shape, a water blocking belt (4) is arranged outside the skeleton blocks (2), and a plurality of groups of fan-shaped sections are arranged between the skeleton blocks (2) and the water blocking belt (4).

4. A skeleton-type optical fiber according to claim 3, characterized in that the outside of the water-blocking tape (4) is provided with a double-sided plastic-coated steel tape (5), and the outside of the water-blocking tape (4) is provided with a protective layer (6).