CN109856746B - Butterfly cable - Google Patents
Butterfly cable Download PDFInfo
- Publication number
- CN109856746B CN109856746B CN201910193130.4A CN201910193130A CN109856746B CN 109856746 B CN109856746 B CN 109856746B CN 201910193130 A CN201910193130 A CN 201910193130A CN 109856746 B CN109856746 B CN 109856746B
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- sharp edge
- main part
- main
- piece
- optical fiber
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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
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses a butterfly cable, comprising: the pair of reinforcing members are respectively arranged on two sides of the main part; the reinforcing piece is provided with a sharp edge at one side close to the main piece, the sharp edge is connected with the main piece through an adhesive layer, the sharp edge protrudes towards the inner side of the main piece, the sharp edge is connected with an extension part, and the extension part covers the outer surface of the reinforcing piece; the sharp edge and the extension part are made of pressure-resistant materials; a foaming layer is arranged in the main part, the foaming layer is made of foaming materials, nitrogen is filled in the foaming materials, the pressure of the nitrogen is greater than or equal to 1.5 standard atmospheric pressures, and the optical fibers are arranged in the foaming layer; the radial height of the main part is less than or equal to the radial height of the reinforcement member. According to the invention, the reinforcing member with the sharp edge and the extending part is arranged, so that the pressure resistance of the reinforcing member is better, meanwhile, the sharp edge is connected with the main part through the adhesion layer, so that the sharp edge is more easily separated from the main part, two opposite grooves are formed in the main part after separation, and the foaming layer is further torn to obtain the optical fiber.
Description
The application is a divisional application with the application date of 2016, month 07 and month 15, the application number of 201610575292.0 and the name of 'butterfly-shaped optical cable'.
Technical Field
The invention relates to the field of optical fiber cable production, in particular to a butterfly-shaped optical cable.
Background
The butterfly-shaped optical cable is a novel user access optical cable, and the optical cable structure and various technical parameters are reasonably designed according to different application environments and laying conditions, so that the characteristics of an indoor soft optical cable and a self-supporting optical cable are integrated. The butterfly optical cable is the best candidate product for FTTX network solution, and plays a unique role in constructing networks such as intelligent buildings, digital cells, campus networks, local area networks and the like.
The existing butterfly-shaped optical cable: 1) the design of round corner square, runway type and 8-shaped is adopted, the distortion phenomenon often occurs in the wiring process, and the butterfly-shaped optical cable is of a compact structure, so that the stress is generated on the optical fiber, the attenuation coefficient of the optical fiber is increased, and the service life of the optical fiber is reduced. 2) Only a layer of thin plastic is arranged between the bottom of the groove of the butterfly-shaped optical cable and the optical fiber, so that water seepage easily occurs, the optical fiber is damaged by hydrogen, the attenuation coefficient of the optical fiber is increased, and the service life of the optical fiber is shortened. 3) The ability to protect the optical fiber is weak.
Disclosure of Invention
The invention provides a butterfly-shaped optical cable, which overcomes the defects of short service life, easy water seepage and weak optical fiber protection capability of the conventional butterfly-shaped optical cable.
In order to solve the above problems, the present invention discloses a butterfly-shaped optical cable, comprising: the pair of reinforcing members are respectively arranged on two sides of the main part; the reinforcing piece is provided with a sharp edge on one side close to the main piece, the sharp edge is connected with the main piece through an adhesive layer, the sharp edge protrudes towards the inner side of the main piece, the sharp edge is connected with an extension part, and the extension part covers the outer surface of the reinforcing piece; the sharp edge and the extension part are made of pressure-resistant materials; a foaming layer is arranged in the main part, the foaming layer is made of foaming materials, nitrogen is filled in the foaming materials, the pressure of the nitrogen is greater than or equal to 1.5 standard atmospheric pressures, and the optical fibers are arranged in the foaming layer; the radial height of the main part is less than or equal to the radial height of the reinforcing member. According to the invention, the reinforcing member with the sharp edge and the extending part is arranged, and the radial height of the main part is less than or equal to that of the reinforcing member, so that more force is distributed on the reinforcing member when the optical cable is stressed in the vertical direction, and the pressure resistance of the reinforcing member is better. The invention also discloses a method for manufacturing the optical fiber, which comprises the steps of connecting the sharp edge with the main part through an adhesive layer, enabling the sharp edge to be more easily separated from the main part, forming two opposite grooves on the main part after separation, facilitating re-peeling, further tearing the foaming layer to obtain the optical fiber, changing the peeling direction of the optical fiber by arranging a secondary peeling method, improving the thickness of the main part, greatly improving the protective performance of the optical fiber in the vertical direction, and adopting the foaming layer filled with nitrogen with the standard atmospheric pressure of more than or equal to 1.5 to further improve the waterproof permeability of the optical fiber.
Optionally, the sharp edge is formed by two folding blocks, and the two folding blocks intersect to form an acute angle. The sharp edge is formed by two folding blocks which are intersected to form an acute angle, the contact area of the sharp edge and the main part is smaller, and labor is saved when the reinforcing member and the main part are stripped.
Optionally, the upper and lower outer surfaces of the main part are covered with waterproof and pressure-resistant layers. The waterproof pressure-resistant layer further improves the protection performance of the main part on the optical fiber.
Optionally, the waterproof and pressure-resistant layer is made of a PVC material.
Optionally, the adhesive layer is glue.
Optionally, the outer surface of the optical fiber is further wrapped with a protective film.
Optionally, the protective film is made of waterproof and light-tight paint. Aiming at the design of adopting a foaming layer (white), the reflection performance of the optical fiber is further improved by adopting waterproof and lightproof coating, the signal loss caused by the refracted optical fiber is reduced, and the waterproof performance is further improved.
Compared with the prior art, the technical scheme has the following advantages:
according to the invention, the reinforcing member with the sharp edge and the extending part is arranged, and the radial height of the main part is less than or equal to that of the reinforcing member, so that more force is distributed on the reinforcing member when the optical cable is stressed in the vertical direction, and the pressure resistance of the reinforcing member is better. The invention also discloses a method for manufacturing the optical fiber, which comprises the steps of connecting the sharp edge with the main part through an adhesive layer, enabling the sharp edge to be more easily separated from the main part, forming two opposite grooves on the main part after separation, facilitating re-peeling, further tearing the foaming layer to obtain the optical fiber, changing the peeling direction of the optical fiber by arranging a secondary peeling method, improving the thickness of the main part, greatly improving the protective performance of the optical fiber in the vertical direction, and adopting the foaming layer filled with nitrogen with the standard atmospheric pressure of more than or equal to 1.5 to further improve the waterproof permeability of the optical fiber.
In addition, the sharp edge is formed by two folding blocks which are intersected into an acute angle, the contact area of the sharp edge and the main part is smaller, and labor is saved when the reinforcing member and the main part are stripped. The waterproof pressure-resistant layer further improves the protection performance of the main part on the optical fiber. Aiming at the design of adopting a foaming layer (white), the reflection performance of the optical fiber is further improved by adopting waterproof and lightproof coating, the signal loss caused by the refracted optical fiber is reduced, and the waterproof performance is further improved.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a butterfly 1-shaped optical cable according to the present invention;
FIG. 2 is a schematic partial structural view of an optical fiber, a foam layer and a protective film according to a first embodiment of the butterfly 1-shaped optical cable of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the butterfly 1-shaped optical cable of the present invention.
1. Reinforcement, 2, main part, 3, sharp edge, 4, adhesion layer, 5, extension, 6, foaming layer, 7, optical fiber, 21, waterproof and pressure-resistant layer, 31, folding block, 71 and protective film.
Detailed Description
The technical solution of the present invention is described in detail and fully with reference to the accompanying drawings.
The first embodiment is as follows:
the invention discloses a butterfly-shaped optical cable (shown in attached figures 1 and 2), which comprises: a pair of stiffeners 1 and a main part 2, wherein the stiffeners 1 are respectively arranged on two sides of the main part 2; the reinforcing member 1 is provided with a sharp edge 3 on one side close to the main part 2, the sharp edge 3 is connected with the main part 2 through an adhesive layer 4, the sharp edge 3 protrudes towards the inner side of the main part 2, the sharp edge 3 is connected with an extension part 5, and the extension part 5 covers the outer surface of the reinforcing member 1; the sharp edge 3 and the extension part 5 are made of pressure-resistant materials; a foaming layer 6 is arranged in the main part 2, the foaming layer 6 is made of foaming material, the foaming material is filled with nitrogen, the pressure of the nitrogen is greater than or equal to 1.5 standard atmospheric pressures, and the optical fiber 7 is arranged in the foaming layer 6; the radial height of the main part 2 is less than or equal to the radial height of the reinforcement 1. According to the invention, by arranging the reinforcing member 1 with the sharp edge 3 and the extending part 5, the radial height of the main part 2 is less than or equal to that of the reinforcing member 1, so that more force is distributed to the reinforcing member 1 when the optical cable is subjected to pressure in the vertical direction, and the pressure resistance of the reinforcing member 1 is better. Meanwhile, the sharp edge 3 is separated from the main part 2 more easily through the adhesive layer 4, the main part 2 is separated to form two opposite grooves, the two opposite grooves are convenient to strip again, the foaming layer 6 is further torn to obtain the optical fiber 7, the stripping direction of the optical fiber 7 is changed by arranging a secondary stripping method, the thickness of the main part 2 is improved, the protection performance of the optical fiber 7 in the vertical direction is greatly improved, and the waterproof permeability of the optical fiber 7 is further improved by adopting the foaming layer 6 filled with nitrogen with the standard atmospheric pressure of more than or equal to 1.5. The reinforcement member 1 and the main member 2 of the present embodiment are mainly made of insulating materials at other portions.
The sharp edge 3 is formed by two folding blocks 31, and the two folding blocks 31 are intersected to form an acute angle. The sharp edge 3 is formed by two folding blocks 31, the two folding blocks 31 are intersected to form an acute angle, the contact area of the sharp edge 3 and the main part 2 is smaller, and labor is saved when the reinforcing member 1 and the main part 2 are stripped.
The upper and lower outer surfaces of the main part 2 are covered with waterproof and pressure-resistant layers 21. The water and pressure resistant layer 21 further improves the protection of the main part 2 against the optical fiber 7. The waterproof pressure-resistant layer 21 is made of PVC material. The adhesive layer 4 is glue. The outer surface of the optical fiber 7 is also wrapped with a protective film 71. The protective film 71 is made of waterproof and light-tight paint. Aiming at the design of adopting the foaming layer 6 (white), the reflection performance of the optical fiber 7 is further improved by adopting waterproof and lightproof coating, the signal loss caused by the refracted optical fiber 7 is reduced, and the waterproof performance is further improved.
Example two
The sharp edge 3 is a structure with a rod shape in a convex section, the top end of the sharp edge 3 is provided with a sharp mouth (see figure 3), and the sharp edge 3 is connected with the main part 2 through an adhesive layer 4. The adhesive layer 4 is made of other materials with low density and low adhesive strength.
When the embodiment of the invention is implemented, two ends of the reinforcing member are held by hands, the reinforcing member and the main member are respectively forced leftwards and rightwards, deep openings are formed in two sides of the main member, the insulating material on the main member is forcibly stripped from the openings, and finally the foaming material is simply stripped to obtain the bare optical fiber.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (5)
1. A butterfly cable, comprising: the pair of reinforcing members are respectively arranged on two sides of the main part; the reinforcing piece is provided with a sharp edge on one side close to the main piece, the sharp edge is connected with the main piece through an adhesive layer, the sharp edge protrudes towards the inner side of the main piece, the sharp edge is connected with an extension part, and the extension part covers the outer surface of the reinforcing piece; the sharp edge and the extension part are made of pressure-resistant materials;
a foaming layer is arranged in the main part, the foaming layer is made of foaming materials, and the optical fibers are arranged in the foaming layer; the radial height of the main part is smaller than that of the reinforcing piece; the sharp edge is formed by two folding blocks which are intersected to form an acute angle; and waterproof pressure-resistant layers are coated on the upper outer surface and the lower outer surface of the main part.
2. A butterfly cable according to claim 1, wherein the waterproof and pressure-resistant layer is of PVC material.
3. A butterfly cable according to claim 1, wherein the adhesive layer is glue.
4. A butterfly cable according to claim 1, wherein the outer surface of the optical fiber is further coated with a protective film.
5. A butterfly cable according to claim 4, wherein the protective membrane is a waterproof, light-tight coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193130.4A CN109856746B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575292.0A CN105954851B (en) | 2016-07-15 | 2016-07-15 | Butterfly optical cable |
| CN201910193130.4A CN109856746B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610575292.0A Division CN105954851B (en) | 2016-07-15 | 2016-07-15 | Butterfly optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109856746A CN109856746A (en) | 2019-06-07 |
| CN109856746B true CN109856746B (en) | 2020-06-12 |
Family
ID=56901009
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910193130.4A Active CN109856746B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
| CN201610575292.0A Active CN105954851B (en) | 2016-07-15 | 2016-07-15 | Butterfly optical cable |
| CN201910192944.6A Active CN110007413B (en) | 2016-07-15 | 2016-07-15 | Butterfly-shaped optical cable |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610575292.0A Active CN105954851B (en) | 2016-07-15 | 2016-07-15 | Butterfly optical cable |
| CN201910192944.6A Active CN110007413B (en) | 2016-07-15 | 2016-07-15 | Butterfly-shaped optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN109856746B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772894B (en) * | 2018-06-29 | 2023-10-20 | 杭州富通通信技术股份有限公司 | Cutting device for butterfly cable |
| CN111029006B (en) * | 2019-11-21 | 2021-02-23 | 杭州富通通信技术股份有限公司 | Photoelectric hybrid cable |
| CN111812789B (en) * | 2020-07-27 | 2022-08-30 | 杭州富通通信技术股份有限公司 | Butterfly-shaped optical cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6493491B1 (en) * | 1999-09-28 | 2002-12-10 | Alcatel | Optical drop cable for aerial installation |
| JP2003202471A (en) * | 2001-10-29 | 2003-07-18 | Sumitomo Electric Ind Ltd | Optical fiber cable |
| JP2004070230A (en) * | 2002-08-09 | 2004-03-04 | Daiden Co Ltd | Optical cable |
| WO2013070993A1 (en) * | 2011-11-10 | 2013-05-16 | Commscope, Inc. Of North Carolina | Miniaturized optical fiber drop cable |
| CN103649802A (en) * | 2011-07-12 | 2014-03-19 | 康宁光缆系统(上海)有限公司 | Fiber optic drop cable and method for using the same in field installation |
| CN204832608U (en) * | 2015-07-22 | 2015-12-02 | 成都大唐线缆有限公司 | Optical cable |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0524887Y2 (en) * | 1986-06-27 | 1993-06-24 | ||
| JP2006113105A (en) * | 2004-10-12 | 2006-04-27 | Fujikura Ltd | Optical fiber cable |
| JP4900938B2 (en) * | 2006-11-16 | 2012-03-21 | 住友電気工業株式会社 | Drop cable |
| JP2010237529A (en) * | 2009-03-31 | 2010-10-21 | Sumitomo Electric Ind Ltd | Optical fiber cable |
| JP2010243755A (en) * | 2009-04-06 | 2010-10-28 | Sumitomo Electric Ind Ltd | Optical fiber cable |
| JP2012123279A (en) * | 2010-12-10 | 2012-06-28 | Hitachi Cable Ltd | Optical fiber cable |
-
2016
- 2016-07-15 CN CN201910193130.4A patent/CN109856746B/en active Active
- 2016-07-15 CN CN201610575292.0A patent/CN105954851B/en active Active
- 2016-07-15 CN CN201910192944.6A patent/CN110007413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6493491B1 (en) * | 1999-09-28 | 2002-12-10 | Alcatel | Optical drop cable for aerial installation |
| JP2003202471A (en) * | 2001-10-29 | 2003-07-18 | Sumitomo Electric Ind Ltd | Optical fiber cable |
| JP2004070230A (en) * | 2002-08-09 | 2004-03-04 | Daiden Co Ltd | Optical cable |
| CN103649802A (en) * | 2011-07-12 | 2014-03-19 | 康宁光缆系统(上海)有限公司 | Fiber optic drop cable and method for using the same in field installation |
| WO2013070993A1 (en) * | 2011-11-10 | 2013-05-16 | Commscope, Inc. Of North Carolina | Miniaturized optical fiber drop cable |
| CN204832608U (en) * | 2015-07-22 | 2015-12-02 | 成都大唐线缆有限公司 | Optical cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110007413B (en) | 2020-10-30 |
| CN110007413A (en) | 2019-07-12 |
| CN105954851B (en) | 2019-04-16 |
| CN105954851A (en) | 2016-09-21 |
| CN109856746A (en) | 2019-06-07 |
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