CN213302614U

CN213302614U - Micro-pipeline optical cable

Info

Publication number: CN213302614U
Application number: CN202022156396.2U
Authority: CN
Inventors: 周翌东; 邱伟丰; 周吉祥
Original assignee: Shanghai Yurong Optical Technology Co ltd
Current assignee: Shanghai Yurong Optical Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-28
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a microtube optical cable, which comprises a bod, the optical cable body includes the oversheath layer, the inner wall fixedly connected with interior enhancement layer of oversheath layer, the inner wall fixedly connected with fixed band layer of interior enhancement layer, the first filler layer of inner wall fixedly connected with of fixed band layer, the inside of first filler layer is equipped with a plurality of optic fibre bundles. The utility model discloses in, interior enhancement layer uses aramid fiber can reduce off-the-shelf external diameter greatly, and then has saved pipeline resource greatly, the optical cable can change the quantity of optic fibre bundle according to actual demand, thereby the flexibility of optical cable production has been improved greatly, need not form complete circular just can produce like conventional optical cable, simultaneously because single optic fibre bundle inside is equipped with a plurality of fibre cores, thereby make the inside optic fibre bundle of optical cable can single branch use alone, perhaps can make up a unit use with several optic fibre bundles, thereby the practicality of optical cable has been improved greatly.

Description

Micro-pipeline optical cable

Technical Field

The utility model relates to a lay pipeline optical cable technical field, especially relate to a micro-pipeline optical cable.

Background

With the advent of the information age, the amount of information transferred has increased explosively. As an effective means for large-capacity, long-distance transmission, optical fiber cables are used in a large number of applications. The application of the optical cable is gradually developed from a long-distance trunk line to a metropolitan area network and an access network. The development of the industry pushes the progress of the technology, new optical cable structures are continuously pushed out, new technologies are continuously applied, a common optical cable comprises a sleeve, an optical fiber core wire and fiber paste are arranged in the sleeve, an outer sheath is coated outside the sleeve, and in order to protect the optical fiber core wire from being damaged and improve the strength of the optical cable, a reinforcing layer is often arranged between the outer sheath and the sleeve;

the existing common optical cable is mostly manufactured by optical fiber bundles, a plurality of optical cables are needed to be connected for use in actual use, pipeline resources are greatly occupied, the existing optical cable with multiple optical fiber bundles is produced by forming a plurality of optical fiber bundles into a circle, and the production difficulty of the optical cable is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a micro-pipeline optical cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a micro-pipeline optical cable comprises an optical cable body, wherein the optical cable body comprises an outer sheath layer, an inner reinforcing layer is fixedly connected to the inner wall of the outer sheath layer, a fixing belt layer is fixedly connected to the inner wall of the inner reinforcing layer, a first filler layer is fixedly connected to the inner wall of the fixing belt layer, and a plurality of optical fiber bundles are arranged inside the first filler layer;

the optical fiber bundle comprises a loose tube, a second filler layer is fixedly connected to the inner wall of the loose tube, a plurality of protective layers are arranged inside the second filler layer, a cladding is arranged inside the protective layers, and a fiber core is arranged in the center of the cladding.

As a further description of the above technical solution:

the outer sheath layer is made of LSZH material.

As a further description of the above technical solution:

the inner reinforcing layer is formed by blending aramid fibers and glass fibers.

As a further description of the above technical solution:

the fixing belt layer is a fixing belt made of aluminum material.

As a further description of the above technical solution:

the first filler layer is water-blocking cable paste.

As a further description of the above technical solution:

the second filler layer is water-blocking fiber paste, and the optical fiber bundle adopts the same product as the air-blowing micro cable.

The utility model discloses following beneficial effect has:

the micro-pipeline optical cable comprises an inner reinforcing layer, a fixing belt layer, optical fiber bundles, a first filler layer and fiber cores, wherein the inner reinforcing layer is made of aramid fibers and glass fibers, so that the optical cable has high heat resistance and high impact resistance, the outer diameter of a finished product can be greatly reduced by the aramid fibers, the pipeline resources are greatly saved, the inner part of the optical cable can be in a relatively stable condition through the inner reinforcing layer, the fixing belt layer and the first filler layer, meanwhile, the first filler layer can be completely attached to each optical fiber bundle, the number of the optical fiber bundles can be changed according to actual requirements, the production flexibility of the optical cable is greatly improved, the optical cable can be produced without forming a complete circle like a conventional optical cable, and meanwhile, the fiber cores are arranged in a single optical fiber bundle, so that the optical fiber bundles in the optical cable can be separately and separately used in a branch manner, or several optical fiber bundles can be combined into a unit for use, so that the practicability of the optical cable is greatly improved, and each optical fiber bundle is a product which is the same as the air-blowing type micro cable, so that the material for manufacturing the optical cable is easy to obtain, and the production of the optical cable is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the internal structure of the optical fiber bundle of the present invention.

Illustration of the drawings:

1. an optical cable body; 2. an outer jacket layer; 3. an inner reinforcing layer; 4. fixing the belt layer; 5. a first filler layer; 6. a fiber optic bundle; 7. loosening the sleeve; 8. a second filler layer; 9. a protective jacket layer; 10. a cladding layer; 11. a core.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a micro-pipeline optical cable comprises an optical cable body 1, wherein the optical cable body 1 comprises an outer sheath layer 2, the inner wall of the outer sheath layer 2 is fixedly connected with an inner reinforced layer 3, the inner wall of the inner reinforced layer 3 is fixedly connected with a fixed belt layer 4, the inner wall of the fixed belt layer 4 is fixedly connected with a first filler layer 5, and a plurality of optical fiber bundles 6 are arranged inside the first filler layer 5;

the optical fiber bundle 6 comprises a loose tube 7, a second filler layer 8 is fixedly connected to the inner wall of the loose tube 7, a plurality of protective jacket layers 9 are arranged inside the second filler layer 8, a cladding layer 10 is arranged inside the protective jacket layers 9, and a fiber core 11 is arranged in the center of the cladding layer 10.

The outer sheath layer 2 is made of LSZH material, and the LSZH material has comprehensive performance of high flame retardance and low smoke loss, so that the flame retardance of the optical cable is greatly improved.

The inner reinforcing layer 3 is formed by blending aramid fiber and glass fiber, and the aramid fiber and the glass fiber have high heat resistance and high impact resistance, so that the optical cable can bear high heat and high impact, and the service life of the optical cable is further prolonged.

The fixing tape layer 4 is a fixing tape made of an aluminum material, and the aluminum material has the advantages of light weight and good ductility, so that the quality of the optical cable can be greatly reduced, and the strength inside the optical cable can be increased.

The first filler layer 5 is water-blocking cable paste which can increase the water-blocking performance of the optical cable, and meanwhile, the internal space of the optical cable is full, so that the stability of the internal structure of the optical cable can be increased, and the optical cable can be provided with the number of the optical fiber bundles 6 according to various requirements.

The second filler layer 8 is water-blocking fiber paste, the optical fiber bundle 6 is made of a product identical to the air-blowing micro cable, the water-blocking fiber paste can be used for preventing water for the fiber core 11 inside the optical fiber bundle 6, the optical fiber bundle 6 is made of a product identical to the air-blowing micro cable, materials for manufacturing the optical cable can be easily obtained, and the optical cable is convenient to produce.

The working principle is as follows: when the micro-pipeline optical cable is used, the inner reinforcing layer 3 is made of aramid fiber and glass fiber, so that the optical cable has high heat resistance and high impact resistance, the outer diameter of a finished product can be greatly reduced by the aramid fiber, the pipeline resources are greatly saved, the inner reinforcing layer 3, the fixing belt layer 4 and the first filler layer 5 can ensure that the inside of the optical cable is in a relatively stable condition, meanwhile, the first filler layer 5 can be completely attached to each optical fiber bundle 6, so that the optical cable can change the number of the optical fiber bundles 6 according to actual requirements, the production flexibility of the optical cable is greatly improved, the optical cable can be produced without forming a complete circle like a conventional optical cable, and meanwhile, because a plurality of fiber cores 11 are arranged inside a single optical fiber bundle 6, the optical fiber bundles 6 inside the optical cable can be separately and separately used in a branch manner, or a plurality of optical fiber bundles 6 can be combined into a unit for use, thereby greatly improving the practicability of the optical cable, and each optical fiber bundle 6 adopts the same product as the air-blowing micro cable, so that the material for manufacturing the optical cable can be easily obtained, and the production of the optical cable is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a micro-duct optical cable, includes cable body (1), its characterized in that: the optical cable body (1) comprises an outer sheath layer (2), an inner reinforcing layer (3) is fixedly connected to the inner wall of the outer sheath layer (2), a fixing belt layer (4) is fixedly connected to the inner wall of the inner reinforcing layer (3), a first filler layer (5) is fixedly connected to the inner wall of the fixing belt layer (4), and a plurality of optical fiber bundles (6) are arranged inside the first filler layer (5);

the optical fiber bundle (6) is including pine sleeve pipe (7), the inner wall fixedly connected with second filler layer (8) of pine sleeve pipe (7), the inside of second filler layer (8) is equipped with a plurality of protection restrictive coatings (9), the inside of protection restrictive coating (9) is equipped with cladding (10), the central point of cladding (10) puts and is equipped with fibre core (11).

2. A micro-duct optical cable according to claim 1, wherein: the outer sheath layer (2) is made of LSZH material.

3. A micro-duct optical cable according to claim 1, wherein: the inner reinforcing layer (3) is formed by blending aramid fibers and glass fibers.

4. A micro-duct optical cable according to claim 1, wherein: the fixing belt layer (4) is a fixing belt made of aluminum material.

5. A micro-duct optical cable according to claim 1, wherein: the first filler layer (5) is water-blocking cable paste.

6. A micro-duct optical cable according to claim 1, wherein: the second filler layer (8) is water-blocking fiber paste.