CN112904511B - Skeleton cable - Google Patents
Skeleton cable Download PDFInfo
- Publication number
- CN112904511B CN112904511B CN202110190384.8A CN202110190384A CN112904511B CN 112904511 B CN112904511 B CN 112904511B CN 202110190384 A CN202110190384 A CN 202110190384A CN 112904511 B CN112904511 B CN 112904511B
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- CN
- China
- Prior art keywords
- optical fiber
- skeleton
- cover plate
- ribbons
- grooves
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/441—Optical cables built up from sub-bundles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4482—Code or colour marking
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The application discloses a skeleton cable, which comprises a skeleton with a plurality of skeleton grooves, optical fiber units arranged in the skeleton grooves, a waterproof layer for coating the skeleton and the optical fiber units, and a sheath layer for coating the waterproof layer; the port of the skeleton groove has a positioning notch, and the optical fiber unit includes: the two ends of the cover plate are erected on the positioning notches of the framework grooves; a plurality of optical fiber ribbons are arranged in the framework grooves, one side end of each optical fiber ribbon is connected with the inner side of the cover plate through a first connecting portion, the intersection of the first connecting portion and the cover plate is sprayed with identification marks, and the identification marks of the optical fiber ribbons are different in color. According to the optical fiber unit, the optical fiber ribbons are connected with the cover plate, the position relation among the optical fiber ribbons is determined, and the problem of winding or dislocation does not exist; when the optical fiber ribbons are connected, the corresponding optical fiber ribbons can be rapidly selected through the identification marks with different colors.
Description
Technical Field
The invention relates to the field of cables, in particular to a framework cable.
Background
The skeleton cable generally includes a skeleton having a skeleton groove, a waterproof layer coated on an outer side of the skeleton, and a sheath layer coated on the waterproof layer. A plurality of optical fiber ribbons can be usually placed in the framework groove of the framework, the optical fiber ribbons are sequentially overlapped on the framework groove, and the structure has two problems, one is that no limiting structure exists between the optical fiber ribbons, the optical fiber ribbons are easy to wind or dislocate, and the corresponding optical fibers cannot be quickly selected out during connection.
Disclosure of Invention
The invention aims at the problems and overcomes at least one defect, and provides a framework cable.
The technical scheme adopted by the invention is as follows:
a skeleton cable comprises a skeleton with a plurality of skeleton grooves, optical fiber units arranged in the skeleton grooves, a waterproof layer coating the skeleton and the optical fiber units, and a sheath layer coating the waterproof layer;
the port of the skeleton groove has a positioning notch, and the optical fiber unit includes:
the two ends of the cover plate are erected on the positioning notches of the framework grooves;
the optical fiber ribbons are positioned in the framework grooves, one side end of each optical fiber ribbon is connected with the inner side of the cover plate through a first connecting portion, the intersecting portion of the first connecting portion and the cover plate is sprayed with identification marks, and the identification marks of the optical fiber ribbons are different in color.
According to the optical fiber unit, the optical fiber ribbons are connected with the cover plate, the position relation among the optical fiber ribbons is determined, and the problem of winding or dislocation does not exist; when connecting, can select out corresponding optic fibre area fast through the identification label of different colours.
In one embodiment of the present invention, the identification mark includes a first portion located on an inner sidewall of the cover plate and a second portion located on the first connection portion, and the first portion is connected to the second portion.
The identification mark is located the crossing department of first connecting portion and apron, and first portion and second portion link to each other, and the jet processing of identification mark had both been made things convenient for to this kind of design, can put into the position that corresponds with the optic fibre area rapidly again after the wiring is accomplished, prevents to put by mistake.
In one embodiment of the present invention, the middle portion of the first connecting portion has a V-shaped notch for facilitating tearing.
Can be comparatively convenient tear first connecting portion through V type notch, make the optical fiber ribbon break away from the apron fast, make things convenient for the wiring operation.
In one embodiment of the present invention, the optical fiber ribbon includes a plurality of sub-optical fiber ribbons connected in sequence, and two adjacent sub-optical fiber ribbons are connected by a second connection portion.
The design of the sub-fiber ribbons enables each ribbon to have a larger number of optical fibers.
In one embodiment of the present invention, the middle of the second connecting portion has a V-shaped notch for facilitating tearing.
Can be more convenient tearing second connecting portion through V type notch, conveniently isolate corresponding sub-optical fiber ribbon and carry out operations such as wiring.
In one embodiment of the present invention, each optical fiber ribbon includes a transparent cladding layer and a plurality of optical fibers disposed in the cladding layer, a color band is embedded in each optical fiber ribbon, and the colors of the color bands of the same optical fiber ribbon are different.
Through the design of the sub-optical fiber ribbon with the transparent coating layer, the second connecting part and the color ribbon, the number of optical fibers can be further increased, and reliable distinguishing and separation can be guaranteed. ,
in one embodiment of the present invention, identification lines are embedded in the cover plate of two adjacent optical fiber units, wherein one optical fiber unit has one identification line, and the other optical fiber unit has two identification lines.
The direction can be determined by identifying the difference of the lines, so that each framework groove can be quickly positioned, and the butt joint operation is convenient.
In an embodiment of the invention, the frame slot includes a furled portion near the center of the frame and a flared portion connected to the furled portion, and the positioning notch is disposed at the flared portion.
The design of the skeleton grooves enables the space between the optical fiber ribbons at one end of the cover plate to be larger, so that the optical fiber ribbons can be conveniently distinguished and separated; the furling part is used for matching with one end of the optical fiber ribbon to furl one end of each optical fiber ribbon.
In one embodiment of the present invention, a reinforcing member is installed at the center of the frame.
The invention has the beneficial effects that: according to the optical fiber unit, the optical fiber ribbons are connected with the cover plate, the position relation among the optical fiber ribbons is determined, and the problem of winding or dislocation does not exist; when the optical fiber ribbons are connected, the corresponding optical fiber ribbons can be rapidly selected through the identification marks with different colors.
Description of the drawings:
FIG. 1 is a schematic illustration of a skeletal cable according to example 1;
FIG. 2 is a schematic structural view of an optical fiber unit;
FIG. 3 is a schematic view of a fiber optic ribbon;
fig. 4 is a schematic view of a skeletal cable of example 2.
The figures are numbered:
1. a framework; 2. a framework groove; 3. an optical fiber unit; 4. a waterproof layer; 5. a sheath layer; 6. a positioning notch; 7. a cover plate; 8. an optical fiber ribbon; 9. a first connection portion; 10. identifying the mark; 11. a first portion; 12. a second portion; 13. a V-shaped notch; 14. sub-fiber ribbons; 15. a second connecting portion; 16. a coating layer; 17. an optical fiber; 18. a band of colors; 19. identifying a line; 20. a gathering part; 21. a flared part; 22. a reinforcement.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, a skeletal cable includes a skeleton 1 having a plurality of skeleton grooves 2, optical fiber units 3 installed in the skeleton grooves 2, a waterproof layer 4 covering the skeleton 1 and the optical fiber units 3, and a sheath layer 5 covering the waterproof layer 4;
the port of the skeleton groove 2 has a positioning notch 6, and the optical fiber unit 3 includes:
the two ends of the cover plate 7 are overlapped on the positioning notches 6 of the framework grooves 2;
a plurality of optical fiber ribbons 8 are arranged in the framework groove 2, one side end of each optical fiber ribbon 8 is connected with the inner side of the cover plate 7 through a first connecting part 9, an identification mark 10 is sprayed at the intersection of the first connecting part 9 and the cover plate 7, and the colors of the identification marks 10 of the optical fiber ribbons 8 are different.
Each optical fiber ribbon 8 of the optical fiber unit 3 is connected with the cover plate 7, the position relation among the optical fiber ribbons 8 is determined, and the problem of winding or dislocation does not exist; when the connection is made, the corresponding optical fiber ribbon 8 can be quickly selected by the identification marks 10 of different colors.
As shown in fig. 2, in the present embodiment, the identification mark 10 includes a first portion 11 located on an inner side wall of the cover plate 7 and a second portion 12 located on the first connection portion 9, and the first portion 11 is connected to the second portion 12. The identification mark 10 is positioned at the intersection of the first connecting part 9 and the cover plate 7, and the first part 11 is connected with the second part 12, so that the design not only facilitates the spraying processing of the identification mark 10, but also can quickly place the optical fiber ribbon 8 into the corresponding position after the wiring is finished, and the misplacement is prevented.
In the present embodiment, as shown in fig. 2, the first connecting portion 9 has a V-shaped notch 13 at the middle for easy tearing. Can be comparatively convenient tear first connecting portion 9 through V type notch 13, make optic fibre ribbon 8 break away from apron 7 fast, make things convenient for the wiring operation.
As shown in fig. 3, in the present embodiment, optical fiber ribbon 8 includes a plurality of sub-optical fiber ribbons 14 connected in sequence, and two adjacent sub-optical fiber ribbons 14 are connected by second connection portion 15. With sub-fiber ribbons 14 designed to have more optical fibers per ribbon 8.
In this embodiment, the middle portion of the second connecting portion 15 has a V-shaped notch 13 for facilitating tearing. Second connecting portion 15 can be torn open through V-shaped notch 13 relatively conveniently, and corresponding sub-optical fiber ribbon 14 is conveniently separated out for operations such as wiring.
As shown in fig. 3, in the present embodiment, each sub-fiber ribbon 14 includes a transparent covering layer 16 and a plurality of optical fibers 17 disposed in the covering layer 16, a color ribbon 18 is embedded inside each sub-fiber ribbon 14, and the colors of the color ribbons 18 of the same optical fiber ribbon 8 are different. By designing the sub-fiber ribbons 14, the second connection portions 15, and the color ribbons 18 with the transparent coating 16, the number of optical fibers can be further increased and reliable discrimination and separation can be ensured. ,
as shown in fig. 1, in the present embodiment, identification lines 19 are embedded in the cover plate 7 of two adjacent optical fiber units 3, wherein one optical fiber unit 3 has one identification line, and the other optical fiber unit 3 has two identification lines 19. The direction can be determined by identifying the difference of the lines 19, so that each framework groove 2 can be quickly positioned, and the butt joint operation is convenient. The frame 1 of the present embodiment has a reinforcement 22 mounted at the center thereof.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that the cross section of the frame slot 2 is not rectangular, the frame slot 2 of the present embodiment includes a closed portion 20 near the center of the frame 1 and a flared portion 21 connected to the closed portion 20, and the positioning notch 6 is provided at the flared portion 21. As shown in fig. 4, in the present embodiment, the cross section of the furled portion 20 is rectangular, and the cross section of the flared portion 21 is umbrella-shaped.
The design of the framework grooves 2 in the embodiment enables the distance between the optical fiber ribbons 8 at one end of the cover plate 7 to be larger, so that the optical fiber ribbons 8 can be distinguished and separated conveniently; the gathering portion 20 is adapted to engage with an end of the optical fiber ribbon 8 to gather an end of each optical fiber ribbon 8.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (3)
1. A skeleton cable is characterized by comprising a skeleton with a plurality of skeleton grooves, optical fiber units arranged in the skeleton grooves, a waterproof layer coating the skeleton and the optical fiber units and a sheath layer coating the waterproof layer;
the port of the skeleton groove has a positioning notch, and the optical fiber unit includes:
the two ends of the cover plate are erected on the positioning notches of the framework grooves;
the optical fiber ribbons are positioned in the framework grooves, one side end of each optical fiber ribbon is connected with the inner side of the cover plate through a first connecting part, identification marks are sprayed at the intersection of the first connecting part and the cover plate, and the colors of the identification marks of the optical fiber ribbons are different;
the identification mark comprises a first part and a second part, wherein the first part is positioned on the inner side wall of the cover plate, the second part is positioned on the first connecting part, and the first part is connected with the second part; the middle part of the first connecting part is provided with a V-shaped notch convenient to tear;
the optical fiber ribbon comprises a plurality of sub optical fiber ribbons which are connected in sequence, and two adjacent sub optical fiber ribbons are connected through a second connecting part; the middle part of the second connecting part is provided with a V-shaped notch convenient to tear; each sub-optical fiber ribbon comprises a transparent coating layer and a plurality of optical fibers positioned in the coating layer, a color band is embedded in each sub-optical fiber ribbon, and the colors of the color bands of the same optical fiber ribbon are different;
identification lines are embedded in the cover plates of two adjacent optical fiber units, one optical fiber unit is provided with one identification line, and the other optical fiber unit is provided with two identification lines.
2. The carcass cable according to claim 1, wherein the carcass groove comprises a closed portion near the center of the carcass and a flared portion connected to the closed portion, and the positioning notch is provided at the flared portion.
3. A skeletal cable as claimed in claim 1, in which a reinforcing member is mounted centrally of the skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110190384.8A CN112904511B (en) | 2021-02-18 | 2021-02-18 | Skeleton cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110190384.8A CN112904511B (en) | 2021-02-18 | 2021-02-18 | Skeleton cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112904511A CN112904511A (en) | 2021-06-04 |
| CN112904511B true CN112904511B (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110190384.8A Active CN112904511B (en) | 2021-02-18 | 2021-02-18 | Skeleton cable |
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| Country | Link |
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| CN (1) | CN112904511B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115542485B (en) * | 2022-09-30 | 2023-06-02 | 长飞光纤光缆股份有限公司 | S-shaped skeleton type optical cable and preparation method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3375489B2 (en) * | 1996-07-05 | 2003-02-10 | 株式会社フジクラ | Discrimination of strands of optical fiber ribbon |
| JP2006195100A (en) * | 2005-01-12 | 2006-07-27 | Tsushin Kogyo Kk | Optical cable |
| JP5901933B2 (en) * | 2011-10-18 | 2016-04-13 | 株式会社フジクラ | Optical fiber ribbon, optical fiber core, optical fiber cable, and intermediate post branching method of optical fiber cable |
| CN102590968B (en) * | 2012-04-07 | 2013-08-14 | 常熟市谷雷特机械产品设计有限公司 | Skeleton type cable |
| CN203502636U (en) * | 2013-10-14 | 2014-03-26 | 深圳市特发信息股份有限公司 | Anti-sliding non metal skeleton-type loose fiber optical cable |
| KR101461607B1 (en) * | 2014-04-02 | 2014-11-13 | 가온전선 주식회사 | Fiber Optic Cable For Recognizing Reversal Section And Construct Method |
| JP6412779B2 (en) * | 2014-11-20 | 2018-10-24 | 株式会社フジクラ | Optical fiber ribbon, optical fiber cable, and optical fiber ribbon manufacturing method |
| US10585255B2 (en) * | 2016-01-13 | 2020-03-10 | Sumitomo Electric Industries, Ltd. | Intermittent-connection-type optical fiber ribbon with thick and thin vertical lines and method for manufacturing |
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2021
- 2021-02-18 CN CN202110190384.8A patent/CN112904511B/en active Active
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| Publication number | Publication date |
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| CN112904511A (en) | 2021-06-04 |
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