CN209895051U

CN209895051U - Separable indoor and outdoor universal type access optical cable

Info

Publication number: CN209895051U
Application number: CN201920903109.4U
Authority: CN
Inventors: 李云峰
Original assignee: Shanghai Yangan Optics Co Ltd
Current assignee: Shanghai Yangan Optics Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-01-03
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses an indoor outer general type of detachable inserts optical cable, including bare fiber and reinforcement, reinforcement bilateral symmetry is provided with bare fiber, the bare fiber and the reinforcement outside all are provided with the oversheath, the oversheath in the reinforcement outside is connected with the oversheath in the bare fiber outside, be provided with loose tube and aramid fiber between bare fiber and the oversheath, the aramid fiber sets up in the loose tube outside, be provided with waterproof compound between loose tube and the bare fiber. The utility model relates to an indoor outer integration optical cable of brand-new structure reduces the FTTH circuit design degree of difficulty furthest, effectively reduces the circuit cost, improves the reliability of circuit. Carry out effectual separation into 2 sections to outdoor midway that can be fine from outdoor to indoor, it is indoor to get into the building of difference respectively, and middle steel wire can firmly hang on other cables of half empty, plays the bearing, tensile function, the utility model discloses simple structure, the practicality is strong.

Description

Separable indoor and outdoor universal type access optical cable

Technical Field

The utility model relates to a physics field especially relates to optical signal transmission technique, in particular to optical cable, and it is the indoor outer general type of detachable type inserts the optical cable specifically.

Background

In the process of access network development, with the maturity of FTTH technology and business model, operators are gradually turning their attention to the application of FTTH engineering line design, special optical cables and supporting products.

Because the traditional outdoor optical cable has large outer diameter and hardness, generally contains factice and is not flame-retardant, the characteristics result in that the outdoor optical cable is not suitable for being used in buildings; the traditional indoor optical cable has the defects of no water resistance, no ultraviolet ray aging resistance, strength which does not meet the construction requirements of outdoor optical cables and the like, and is not suitable for leading from the outside of a building to the inside of the building.

For such situations, the outdoor cable is usually routed to a cable distribution box in the building for cable distribution. However, for loose users with lower density, the treatment method increases the construction and maintenance cost, and is not an optimal solution, and a separable indoor and outdoor universal access optical cable is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical cable is inserted to indoor outer general type of detachable type to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an indoor outer general type of detachable type inserts optical cable, includes reinforcement and two bare fiber, bare fiber symmetry set up the both sides of reinforcement, bare fiber and reinforcement outside all are provided with the oversheath, the oversheath in the reinforcement outside is connected with the oversheath in the bare fiber outside, is provided with loose tube and aramid fiber between bare fiber and the oversheath, aramid fiber sets up in the loose tube outside, be provided with waterproof compound between loose tube and the bare fiber.

Preferably, the material of the outer sheath comprises any one of LSZH, polyethylene and the like, and the LSZH and the polyethylene have excellent flame retardant property and ultraviolet resistance.

Preferably, the reinforcing member is a steel wire, and the steel wire has excellent tensile properties.

Preferably, the outer sheath on the outer side of the reinforcement and the outer sheath on the outer side of the bare fiber can be effectively separated into two sections, so that the optical cables can respectively enter different building rooms, the optical cables are convenient to install and run, and the installation efficiency of the optical cables is improved.

Preferably, the bare fiber in the loose tube is provided with one or more fibers.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a separable indoor outer general type of type inserts optical cable, through the indoor outer integration optical cable of the brand-new structure that sets up, can furthest reduce the FTTH circuit design degree of difficulty, effectively reduces the circuit cost, improves the reliability of circuit.

The utility model discloses to from outdoor to indoor can be fine carry out effectual separation into 2 sections outdoor midway, get into different buildings respectively indoor, make things convenient for the installation of optical cable to walk the line, improve the installation effectiveness.

The utility model discloses the steel wire in the middle of setting can firmly hang on other cables in half the sky, plays the bearing, tensile function, the utility model discloses simple structure has good mechanical properties and temperature performance, excellent crushing resistance and compliance, and the diameter is little, light in weight, lays easily, and the practicality is strong.

Drawings

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

in the figure: 1. a bare optical fiber; 2. a reinforcement; 3. an outer sheath; 4. loosening the sleeve; 5. aramid fiber; 6. a water repellent compound.

Detailed Description

The technical solution 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 "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an indoor outer general type of detachable type inserts optical cable, includes bare fiber 1 and reinforcement 2, 2 bilateral symmetry of reinforcement are provided with bare fiber 1, bare fiber 1 and 2 outsides of reinforcement all are provided with oversheath 3, oversheath 3 in the 2 outsides of reinforcement is connected with the oversheath 3 in the 1 outside of bare fiber, be provided with loose tube 4 and aramid fiber 5 between bare fiber 1 and the oversheath 3, the loose tube 4 material itself of setting has good hydrolysis resistance and higher intensity, and the aramid fiber 5 of setting has good flame retardant property and excellent tensile strength, aramid fiber 5 sets up in the loose tube 4 outside, be provided with waterproof compound 6 between loose tube 4 and the bare fiber 1, waterproof compound 6 of setting can effectively carry out water-proof effects.

Further, the material of the outer sheath 3 comprises any one of LSZH, polyethylene and the like, and the LSZH and the polyethylene have excellent flame retardant property and ultraviolet resistance.

Further, the reinforcing member 2 is a steel wire having excellent tensile properties.

Furthermore, the outer sheath 3 on the outer side of the reinforcement 2 and the outer sheath 3 on the outer side of the bare fiber 1 can be effectively separated into two sections, so that the optical cables can respectively enter different building rooms, the installation and routing of the optical cables are facilitated, and the installation efficiency of the optical cables is improved.

Further, the bare fibers 1 in the loose tube 4 are provided with one or more.

The working principle is as follows: the utility model relates to a separable indoor and outdoor universal type access optical cable, embolia 250um bare fiber 1 in high-modulus loose tube 4, pack waterproof compound 6 in loose tube 4, loose tube 4 is covered with one deck aramid fiber 5 outside and strengthens, extrude oversheath 3 with reinforcement 2 at last together and form, oversheath 3 outside reinforcement 2 and oversheath 3 outside bare fiber 1 can effectively separate into two sections during installation, can make the optical cable get into different building rooms respectively, make things convenient for the installation of optical cable to walk the line, improve the installation effectiveness of optical cable, the oversheath that sets up adopts any kind of materials such as LSZH, polyethylene has good flame retardant property and uvioresistant performance, the reinforcement steel wire that sets up has excellent tensile property, the loose tube 4 material itself that sets up has good hydrolysis resistance and higher intensity, aramid fiber 5 that sets up has good flame retardant property and excellent tensile property, the provided waterproofing compound 6 can effectively perform waterproofing. The utility model relates to an indoor outer integration optical cable of brand-new structure reduces the FTTH circuit design degree of difficulty furthest, effectively reduces the circuit cost, improves the reliability of circuit, and has good mechanical properties and temperature performance, excellent crushing resistance and compliance, and the diameter is little, light in weight, lay easily.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an optical cable is inserted to indoor outer general type of detachable type which characterized in that: including reinforcement (2) and two bare fiber (1), bare fiber (1) symmetry set up the both sides of reinforcement (2), bare fiber (1) and reinforcement (2) outside all are provided with oversheath (3), oversheath (3) in the reinforcement (2) outside are connected with oversheath (3) in the bare fiber (1) outside, are provided with loose sleeve pipe (4) and aramid fiber (5) between bare fiber (1) and oversheath (3), aramid fiber (5) set up in the loose sleeve pipe (4) outside, be provided with waterproof compound (6) between loose sleeve pipe (4) and bare fiber (1).

2. The separable indoor and outdoor universal type access optical cable according to claim 1, wherein: the outer sheath (3) is made of any one of LSZH and polyethylene.

3. The separable indoor and outdoor universal type access optical cable according to claim 1, wherein: the reinforcing piece (2) is a steel wire.

4. The separable indoor and outdoor universal type access optical cable according to claim 1, wherein: the outer sheath (3) on the outer side of the reinforcing piece (2) and the outer sheath (3) on the outer side of the bare fiber (1) can be effectively separated into two sections.

5. The separable indoor and outdoor universal type access optical cable according to claim 1, wherein: the bare optical fiber (1) in the loose tube (4) is provided with one or more optical fibers.