CN210465798U

CN210465798U - Novel molded line OPGW optical cable

Info

Publication number: CN210465798U
Application number: CN201921684035.6U
Authority: CN
Inventors: 刘彬; 符丁中; 张良; 于永涛; 胡志辉; 姚锦豪; 余领
Original assignee: Shenzhen SDG Information Co Ltd
Current assignee: Shenzhen SDG Information Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-05-05
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a novel molded lines OPGW optical cable, including central aluminium package copper wire, and a plurality of optical fiber unit, a plurality of aluminium package steel molded lines, a plurality of optical fiber unit carry out circumference array distribution around central aluminium package copper wire, a plurality of aluminium package steel molded lines carry out circumference array distribution around central aluminium package copper wire, optical fiber unit locates between central aluminium package copper wire and the aluminium package steel molded lines, aluminium package steel molded lines are including the molded lines aluminium cladding, molded lines steel core layer, molded lines aluminium cladding is including first outside cambered surface, and the first slant side of both sides, the first slant side of two adjacent aluminium package steel molded lines is hugged closely each other, the cylindrical surface of optical cable is constituteed to a plurality of aluminium package steel molded lines's that are circumference array distribution the first outside cambered surface. The utility model discloses not only have good resistant dirty performance, anti icing overload performance and corrosion resisting property, moreover the utility model discloses a cross sectional area is less, and the performance of its anti wind-load is superior to current OPGW optical cable.

Description

Novel molded line OPGW optical cable

Technical Field

The utility model relates to a OPGW optical cable technical field, in particular to novel molded lines OPGW optical cable.

Background

China has wide breadth of members and complex and diverse geographic conditions. In coastal areas, the wind power on the surface of the land is high, and the salt alkalinity of fog is high; in the areas such as Yun Guichuan, the ice and snow climates are obvious, and the mountainous terrain has large span. The conventional OPGW optical cable has insufficient wind load resistance due to large cross-sectional area; in addition, a relatively large gap also exists between the twisted single wires, so that the performances of pollution resistance, corrosion resistance, icing overload resistance and the like are poor, and the conventional OPGW optical cable cannot be applied to the areas. Therefore, there is a need to develop and design a new structure of OPGW optical cable to meet such special climate and terrain requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a novel molded lines OPGW optical cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel molded lines OPGW optical cable, is including central aluminium package copper wire and a plurality of optical fiber unit, a plurality of aluminium package steel molded lines, and is a plurality of the optical fiber unit centers on central aluminium package copper wire carries out circumference array distribution, and is a plurality of aluminium package steel molded lines center on central aluminium package steel wire carries out circumference array distribution, the optical fiber unit is located central aluminium package copper wire with between the aluminium package steel molded lines, aluminium package steel molded lines are including molded lines aluminium cladding, molded lines steel core layer, molded lines aluminium cladding is including the first slant side of first outside cambered surface and both sides, adjacent two the aluminium package steel molded lines first slant side hugs closely each other, and a plurality of being circumference array distribution the aluminium package steel molded lines first outside cambered surface of constituteing the cylindrical surface of optical cable.

Further elaborating, the profile aluminum cladding further comprises a first inner side cambered surface, and the first inner side cambered surfaces of the aluminum-clad steel profiles distributed in a circumferential array form a first cylindrical surface; the optical fiber unit comprises an optical fiber unit cladding and a plurality of optical fibers, the optical fiber unit cladding wraps the optical fibers, the optical fiber unit cladding comprises a second outer cambered surface and second inclined side surfaces at two sides, the second inclined side surfaces of two adjacent optical fiber units are mutually attached, and the second outer cambered surfaces of the optical fiber units distributed in a circumferential array form a second cylindrical surface; the diameter of the cross section circle of the first cylindrical surface is equal to that of the cross section circle of the second cylindrical surface, and the first cylindrical surface and the second cylindrical surface are tightly attached to each other.

Further, the cladding of the optical fiber unit also comprises a second inner side cambered surface, and the second inner side cambered surfaces of the optical fiber units distributed in a circumferential array form a third cylindrical surface; the outer surface of the central aluminum-clad steel wire is a cylindrical surface, the diameter of the cross-section circle of the third cylindrical surface is equal to that of the cross-section circle of the outer surface of the central aluminum-clad steel wire, and the third cylindrical surface is tightly attached to the outer surface of the central aluminum-clad steel wire.

Stated further, the cross-sectional shape of the profile steel core layer is circular.

Stated further, the cross-sectional shape of the profile steel core layer is fan-shaped.

The beneficial effects of the utility model reside in that: the utility model discloses not only have good resistant dirty performance, anti icing overload performance and corrosion resisting property, moreover the utility model discloses a cross sectional area is less, and the performance of its anti wind-load is superior to current OPGW optical cable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a plurality of aluminum-clad steel profiles distributed in a circumferential array.

Fig. 3 is a schematic structural diagram of an aluminum-clad steel profile.

Fig. 4 is a schematic structural diagram of a plurality of optical fiber units distributed in a circumferential array.

Fig. 5 is a schematic structural view of an optical fiber unit.

Fig. 6 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a conventional OPGW optical cable.

Fig. 9 is a schematic diagram comparing the new OPGW optical cable with the existing OPGW optical cable.

Reference numerals: 10. a central aluminum clad steel wire; 20\20A and an optical fiber unit; 201. a second cylindrical surface; 202. a third cylindrical surface; 21. an optical fiber unit cladding; 211. a second outboard arc surface; 212. a second oblique side; 213. a second inner arc surface; 22. an optical fiber; 30\30A, aluminum clad steel molded lines; 301. a first cylindrical surface; 31. a profile aluminum cladding; 311. a first outer arc surface; 312. a first oblique side surface; 313. a first inner arc surface; 32. a shaped steel core layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, a novel profile OPGW optical cable includes a central aluminum clad steel wire 10, a plurality of optical fiber units 20, a plurality of aluminum clad steel profiles 30, the plurality of optical fiber units 20 are distributed circumferentially around the central aluminum clad steel wire 10, the plurality of aluminum clad steel profiles 30 are distributed circumferentially around the central aluminum clad steel wire 10, the optical fiber units 20 are disposed between the central aluminum clad steel wire 10 and the aluminum clad steel profiles 30, the aluminum clad steel profiles 30 include a profile aluminum cladding 31, the profile steel core layer 32 and the profile aluminum cladding 31 cover the profile steel core layer 32, the profile aluminum cladding 31 includes a first outer side arc surface 311 and first oblique side surfaces 312 on two sides, the first oblique side surfaces 312 of two adjacent aluminum-clad steel profiles 30 are attached to each other, and the first outer side arc surfaces 311 of a plurality of aluminum-clad steel profiles 30 distributed in a circumferential array form a cylindrical outer surface of the optical cable. The specific material of the patterned aluminum cladding 31 may be electrical aluminum, pure aluminum, rare earth aluminum, or aluminum alloy.

As shown in fig. 8, in the structure of the conventional OPGW optical cable, the outermost layer is an aluminum-clad steel profile 30A with a circular cross section, and since large gaps exist between the aluminum-clad steel profiles 30A, dust is easily hidden in the gaps, which results in poor stain resistance of the conventional OPGW optical cable; in addition, in coastal areas, fog with high salinity and alkalinity easily passes through the gaps to corrode the optical fiber unit 20A inside the gaps; in addition, in the area such as Yuanduan, ice and snow are easily accumulated in the gaps, and the load of the optical cable is greatly increased. And the utility model discloses a plurality of aluminium package steel molded lines 30 that are circumference array distribution's first outside cambered surface 311 constitutes the cylindrical surface of optical cable, as shown in figure 1, the utility model discloses a there is not the clearance between each aluminium package steel molded lines 30, makes the utility model discloses possess good resistant dirty performance, anti icing overload performance and corrosion resisting property, have extensive suitability.

Referring to fig. 2 to 5, the profile aluminum clad layer 31 further includes a first inner arc surface 313, and the first inner arc surfaces 313 of the plurality of aluminum clad steel profiles 30 distributed in a circumferential array form a first cylindrical surface 301; the optical fiber unit 20 includes an optical fiber unit cladding 21 and a plurality of optical fibers 22, and factice is filled between the optical fibers 22, as shown in fig. 6, the optical fiber unit cladding 21 wraps the plurality of optical fibers 22, the optical fiber unit cladding 21 includes a second outer arc surface 211 and second inclined side surfaces 212 on both sides, the second inclined side surfaces 212 of two adjacent optical fiber units 20 are tightly attached to each other, and the second outer arc surfaces 211 of the plurality of optical fiber units 20 distributed in a circumferential array form a second cylindrical surface 201; the diameter of the cross-section circle of the first cylindrical surface 301 is equal to that of the cross-section circle of the second cylindrical surface 201, and the first cylindrical surface 301 and the second cylindrical surface 201 are closely attached to each other. Specifically, the optical fiber 22 may not be coated with the fiber unit cladding 21.

Referring to fig. 1, 4 and 5, the optical fiber unit cladding 21 further includes a second inner arc surface 213, and the second inner arc surfaces 213 of the optical fiber units 20 distributed in a circumferential array form a third cylindrical surface 202; the outer surface of the central aluminum-clad steel wire 10 is a cylindrical surface, the diameter of the cross-sectional circle of the third cylindrical surface 202 is equal to the diameter of the cross-sectional circle of the outer surface of the central aluminum-clad steel wire 10, and the third cylindrical surface 202 and the outer surface of the central aluminum-clad steel wire 10 are tightly attached to each other.

With reference to fig. 9, under the same specification (i.e. the same size of optical fiber and the same size of profile steel core layer), the maximum diameter D of the OPGW optical cable of the present invention is smaller than the maximum diameter D of the existing OPGW optical cable. It can be seen that the utility model discloses a cross sectional area is less, and its wind load resistance's performance is superior to current OPGW optical cable.

The first embodiment is as follows: referring to fig. 6, core wire layer 32 has a circular cross-sectional shape.

Example two: referring to fig. 7, the cross-sectional shape of mold wire core layer 32 may also be a sector.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of 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 therefore, should not be construed as limiting the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a novel molded lines OPGW optical cable, is including central aluminium package copper wire and a plurality of optical fiber unit, a plurality of aluminium package steel molded lines, and is a plurality of optical fiber unit centers on central aluminium package copper wire carries out circumference array distribution, and is a plurality of aluminium package steel molded lines center on central aluminium package copper wire carries out circumference array distribution, optical fiber unit locates central aluminium package copper wire with between the aluminium package steel molded lines, aluminium package steel molded lines are including molded lines aluminium cladding, molded lines steel sandwich layer, molded lines aluminium cladding molded lines steel sandwich layer, its characterized in that: the profile aluminum cladding comprises a first outer arc surface and first oblique side surfaces on two sides, the first oblique side surfaces of two adjacent aluminum-clad steel profiles are tightly attached to each other, and the first outer arc surfaces of a plurality of aluminum-clad steel profiles distributed in a circumferential array form a cylindrical outer surface of the optical cable.

2. A novel profile OPGW optical cable according to claim 1, characterized in that: the profile aluminum cladding further comprises a first inner side cambered surface, and the first inner side cambered surfaces of the aluminum-clad steel profiles distributed in a circumferential array form a first cylindrical surface; the optical fiber unit comprises an optical fiber unit cladding and a plurality of optical fibers, the optical fiber unit cladding wraps the optical fibers, the optical fiber unit cladding comprises a second outer cambered surface and second inclined side surfaces at two sides, the second inclined side surfaces of two adjacent optical fiber units are mutually attached, and the second outer cambered surfaces of the optical fiber units distributed in a circumferential array form a second cylindrical surface; the diameter of the cross section circle of the first cylindrical surface is equal to that of the cross section circle of the second cylindrical surface, and the first cylindrical surface and the second cylindrical surface are tightly attached to each other.

3. A novel profile OPGW optical cable according to claim 2, characterized in that: the optical fiber unit cladding further comprises a second inner side cambered surface, and the second inner side cambered surfaces of the optical fiber units distributed in a circumferential array form a third cylindrical surface; the outer surface of the central aluminum-clad steel wire is a cylindrical surface, the diameter of the cross-section circle of the third cylindrical surface is equal to that of the cross-section circle of the outer surface of the central aluminum-clad steel wire, and the third cylindrical surface is tightly attached to the outer surface of the central aluminum-clad steel wire.

4. A novel profile OPGW optical cable according to claim 1, characterized in that: the section of the molded line steel core layer is circular.

5. A novel profile OPGW optical cable according to claim 1, characterized in that: the section of the molded line steel core layer is fan-shaped.