CN112198603A - Double-core flat optical cable and processing technology thereof - Google Patents
Double-core flat optical cable and processing technology thereof Download PDFInfo
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- CN112198603A CN112198603A CN202010955386.7A CN202010955386A CN112198603A CN 112198603 A CN112198603 A CN 112198603A CN 202010955386 A CN202010955386 A CN 202010955386A CN 112198603 A CN112198603 A CN 112198603A
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- loose
- cable
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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
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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
- G02B6/4486—Protective covering
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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 invention discloses a double-core flat optical cable and a processing technology thereof, belonging to the technical field of double-core optical cables and comprising a first cable core, a second cable core and a protective layer; the first cable core consists of a first water blocking tape and a plurality of first loose tubes, the first loose tubes are stranded in the first water blocking tape, a plurality of first optical fibers are arranged in the first loose tubes, and the first loose tubes are filled with first fiber paste; the second cable core consists of a second water blocking tape and a plurality of second loose tubes, the second loose tubes are stranded in the second water blocking tape, a plurality of second optical fibers are arranged in the second loose tubes, and second fiber paste is filled in the second loose tubes; the protective layer is sequentially provided with a first sheath and a second sheath from inside to outside; the invention provides a network communication double-core flat wiring optical cable which has the advantages of novel structure, long service life, wide application range and the like.
Description
Technical Field
The invention relates to the technical field of double-core optical cables, in particular to a double-core flat optical cable and a processing technology thereof.
Background
With the increasing demand of production and life for information consumption, the optical fiber communication technology is widely applied in various fields, the optical access cost is continuously reduced, the cost of copper cables and the cost of copper wire access to operation and maintenance are increased, and the networks of large and small operators are changing to the networks characterized by broadband at high speed. With the advent of more and more high bandwidth services, FTTH/FTTB (fiber to the home, fiber to the building) has become the first choice for many operators. With the deepening of informatization, great demands for gradually increasing optical cables are brought.
With the construction of 4G and cloud computing centers and the pursuit of faster, higher and more machine room construction requirements of internet enterprises, the capacity of optical fibers of the machine room is larger and larger, but the space is quite limited, and meanwhile, in order to meet the batch construction requirements of the current machine room and residential districts, the number of optical cable cores is required to be large, but the size of the optical cable is required to be small as much as possible. The wiring optical cable of the existing machine room mostly adopts branch optical cables or bunched optical cables, and the requirement cannot be met. In a residential community, due to the number of communities and the number of unit buildings, outdoor optical cables cannot pass below each unit building, the outdoor optical cables need to be led into an optical fiber distribution box below the unit building from an optical fiber distribution box by using wiring optical cables, and when the outdoor optical cables are welded with the wiring optical cables in the optical fiber distribution box, optical unit parts of the wiring optical cables are easy to cause abnormal optical fiber loss due to tensile force. Therefore, a network communication dual-core flat optical cable with the advantages of long service life, wide application range and the like is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a dual-core flat optical cable and a processing technology thereof, and provides a network communication dual-core flat wiring optical cable which has the advantages of novel structure, long service life, wide application range and the like.
The purpose of the invention can be realized by the following technical scheme:
a double-core flat optical cable and a processing technology thereof comprise a first cable core, a second cable core and a protective layer;
the first cable core consists of a first water blocking tape and a plurality of first loose tubes, the first loose tubes are stranded in the first water blocking tape, a plurality of first optical fibers are arranged in the first loose tubes, and the first loose tubes are filled with first fiber paste;
the second cable core consists of a second water blocking tape and a plurality of second loose tubes, the second loose tubes are stranded in the second water blocking tape, a plurality of second optical fibers are arranged in the second loose tubes, and second fiber paste is filled in the second loose tubes;
the protective layer is sequentially provided with a first sheath and a second sheath from inside to outside.
In a preferred embodiment of the present invention, the number of the first loose tubes is the same as the number of the second loose tubes, and the number of the first optical fibers is the same as the number of the second optical fibers.
As a preferable aspect of the present invention, the number of the first loose tubes is seven.
In a preferred embodiment of the present invention, the first loose tube located in the middle of the first cable core has a larger diameter than the other first loose tubes.
In a preferred embodiment of the present invention, the first sheath and the second sheath are formed by extrusion molding using a flame retardant polyethylene material.
As a preferable scheme of the present invention, the first water blocking tape is internally filled with a first water blocking yarn and the first loose tube is externally filled with a second water blocking yarn.
As a preferable scheme of the present invention, the second water-blocking tapes are filled with second water-blocking yarns inside and outside the second loose tube.
A processing technology of a double-core flat optical cable comprises the following steps:
s1: selecting optical fibers with excellent transmission characteristics and qualified tension to manufacture a first optical fiber and a second optical fiber, and performing coloring identification by adopting a standard full color spectrum;
s2: manufacturing a first loose tube and a second loose tube by adopting a plastic sheathing process of a high-modulus, high-strength and low-shrinkage polymer, wrapping the first loose tube outside the colored first optical fiber, and filling a first fiber paste in the first loose tube;
s3: the first loose tube is stranded into a first cable core by adopting a layer stranding process, a first water blocking tape is longitudinally wrapped outside the first cable core, and first water blocking yarns are filled in the first water blocking tape and outside the first loose tube;
s4: manufacturing a second cable core, wherein the manufacturing process of the second cable core is completely the same as that of the first cable core;
s5: and wrapping polyethylene outside the first cable core and the second cable core by using a sheath line process to form a first sheath and a second sheath.
The invention has the beneficial effects that:
the optical cable is provided with the first cable core and the second cable core, the loose tube is filled with the fiber paste, and the water blocking yarn is filled between the water blocking tape and the cable core; the preparation process of the double-core flat optical cable has the advantages that the process parameters are easy to control, and the stability of the product performance is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a process flow diagram of the present invention.
Description of the symbols: 1. a first cable core; 2. a second cable core; 3. a protective layer; 4. a second sheath; 5. a first sheath; 6. a first water blocking tape; 7. a second water blocking tape; 8. filling first water-blocking yarns; 9. filling second water-blocking yarns; 10. a first loose tube; 11. a second loose tube; 12. filling the first fiber paste; 13. filling the second fiber paste; 14. a first optical fiber; 15. a second optical fiber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a two-core flat optical cable and a processing technique thereof comprise a first cable core 1, a second cable core 2 and a protective layer 3; the first cable core 1 consists of a first water-blocking tape 6 and a plurality of first loose tubes 10, the plurality of first loose tubes 10 are stranded in the first water-blocking tape 6, a plurality of first optical fibers 14 are arranged in the first loose tubes 10, and the first loose tubes 10 are filled with first fiber paste 12; the second cable core 2 consists of a second water-blocking tape 7 and a plurality of second loose tubes 11, the second loose tubes 11 are stranded in the second water-blocking tape 7, a plurality of second optical fibers 15 are arranged in the second loose tubes 11, and the second loose tubes 11 are filled with second fiber paste 13; the protective layer 3 is provided with a first sheath 5 and a second sheath 4 in sequence from inside to outside.
The number of the first loose tubes 10 is the same as that of the second loose tubes 11, and the number of the first optical fibers 14 is the same as that of the second optical fibers 15. The number of the first loose tubes 10 is seven. The first loose tube 10 located in the middle inside the first cable core 1 has a larger diameter than the other first loose tubes 10.
The first sheath 5 and the second sheath 4 are formed by extrusion molding of a flame-retardant polyethylene material. The first water blocking tape 6 and the first loose tube 10 are filled with first water blocking yarns 8. And a second water-blocking yarn 9 is filled in the second water-blocking tape 7 and outside the second loose tube 11.
As shown in fig. 2, a processing technique of a twin-core flat optical cable comprises the following steps:
s1: selecting optical fibers with excellent transmission characteristics and qualified tension to manufacture a first optical fiber 14 and a second optical fiber 15, and performing coloring identification by adopting a standard full color spectrum;
s2: manufacturing a first loose tube 10 and a second loose tube 11 by adopting a plastic sheathing process of a high-modulus, high-strength and low-shrinkage polymer, then wrapping the first loose tube 10 outside a colored first optical fiber 14, and filling a first fiber paste 12 in the first loose tube 10;
s3: stranding the first loose tube 10 into a first cable core 1 by adopting a layer stranding process, longitudinally wrapping a first water-blocking tape 6 outside the first cable core 1, and filling first water-blocking yarns 8 in the first water-blocking tape 6 and outside the first loose tube 10;
s4: manufacturing a second cable core 2, wherein the manufacturing process of the second cable core 2 is completely the same as that of the first cable core 1;
s5: the first sheath 5 and the second sheath 4 are formed by wrapping polyethylene outside the first cable core 1 and the second cable core 2 using a sheath line process.
The optical cable is provided with the first cable core and the second cable core, the loose tube is filled with the fiber paste, and the water blocking yarn is filled between the water blocking tape and the cable core; the preparation process of the double-core flat optical cable has the advantages that the process parameters are easy to control, and the stability of the product performance is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A flat type optical cable of two cores which characterized in that: comprises a first cable core (1), a second cable core (2) and a protective layer (3);
the first cable core (1) consists of a first water-blocking tape (6) and a plurality of first loose tubes (10), the first loose tubes (10) are stranded in the first water-blocking tape (6), a plurality of first optical fibers (14) are arranged in the first loose tubes (10), and the first loose tubes (10) are filled with first fiber paste (12);
the second cable core (2) consists of a second water-blocking tape (7) and a plurality of second loose tubes (11), the second loose tubes (11) are stranded in the second water-blocking tape (7), a plurality of second optical fibers (15) are arranged in the second loose tubes (11), and the second loose tubes (11) are filled with second fiber paste (13); the protective layer (3) is sequentially provided with a first sheath (5) and a second sheath (4) from inside to outside.
2. The optical cable of claim 1, wherein: the number of the first loose tubes (10) is the same as that of the second loose tubes (11), and the number of the first optical fibers (14) is the same as that of the second optical fibers (15).
3. The optical fiber cable of claim 2, wherein: the number of the first loose tubes (10) is seven.
4. A two-core flat cable according to claim 3, wherein: the diameter of the first loose tube (10) positioned in the middle in the first cable core (1) is larger than that of the other first loose tubes (10).
5. The optical cable of claim 1, wherein: the first sheath (5) and the second sheath (4) are formed by extrusion molding of a flame-retardant polyethylene material.
6. The optical cable of claim 1, wherein: and a first water-blocking yarn (8) is filled in the first water-blocking tape (6) and outside the first loose tube (10).
7. The optical cable of claim 1, wherein: and a second water-blocking yarn (9) is filled in the second water-blocking tape (7) and outside the second loose tube (11).
8. A process for manufacturing a twin flat optical cable according to any one of claims 1 to 5, comprising the steps of: :
s1: selecting optical fibers with excellent transmission characteristics and qualified tension to manufacture a first optical fiber (14) and a second optical fiber (15), and performing coloring identification by adopting a standard full color spectrum;
s2: manufacturing a first loose tube (10) and a second loose tube (11) by adopting a plastic sheathing process of a high-modulus, high-strength and low-shrinkage polymer, then wrapping the first loose tube (10) outside a colored first optical fiber (14), and filling a first fiber paste (12) in the first loose tube (10);
s3: stranding the first loose tube (10) into a first cable core (1) by adopting a layer stranding process, longitudinally wrapping a first water blocking tape (6) outside the first cable core (1), and filling a first water blocking yarn (8) in the first water blocking tape (6) and outside the first loose tube (10);
s4: manufacturing a second cable core (2), wherein the manufacturing process of the second cable core (2) is completely the same as that of the first cable core (1);
s5: and wrapping polyethylene outside the first cable core (1) and the second cable core (2) by using a sheath line process to form a first sheath (5) and a second sheath (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955386.7A CN112198603A (en) | 2020-09-11 | 2020-09-11 | Double-core flat optical cable and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010955386.7A CN112198603A (en) | 2020-09-11 | 2020-09-11 | Double-core flat optical cable and processing technology thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112198603A true CN112198603A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010955386.7A Pending CN112198603A (en) | 2020-09-11 | 2020-09-11 | Double-core flat optical cable and processing technology thereof |
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| CN (1) | CN112198603A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6788858B1 (en) * | 2001-11-19 | 2004-09-07 | Lg Cable Ltd. | Bundle tube type optical cable |
| CN102331610A (en) * | 2011-09-07 | 2012-01-25 | 江苏通鼎光电股份有限公司 | Novel optical cable for optical fiber bundle communication |
| CN206038968U (en) * | 2016-07-19 | 2017-03-22 | 长飞光纤光缆四川有限公司 | Many pine sleeve pipe transposition central tube optical cables |
| CN210294626U (en) * | 2019-07-30 | 2020-04-10 | 江苏保视通光缆通信有限公司 | Network communication double-core flat wiring optical cable |
| CN111090156A (en) * | 2020-01-21 | 2020-05-01 | 南京华信藤仓光通信有限公司 | Optical cable with novel structure and production method thereof |
-
2020
- 2020-09-11 CN CN202010955386.7A patent/CN112198603A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6788858B1 (en) * | 2001-11-19 | 2004-09-07 | Lg Cable Ltd. | Bundle tube type optical cable |
| CN102331610A (en) * | 2011-09-07 | 2012-01-25 | 江苏通鼎光电股份有限公司 | Novel optical cable for optical fiber bundle communication |
| CN206038968U (en) * | 2016-07-19 | 2017-03-22 | 长飞光纤光缆四川有限公司 | Many pine sleeve pipe transposition central tube optical cables |
| CN210294626U (en) * | 2019-07-30 | 2020-04-10 | 江苏保视通光缆通信有限公司 | Network communication double-core flat wiring optical cable |
| CN111090156A (en) * | 2020-01-21 | 2020-05-01 | 南京华信藤仓光通信有限公司 | Optical cable with novel structure and production method thereof |
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Application publication date: 20210108 |