CN111650704A - Indoor and outdoor four-core butterfly-shaped optical cable and process flow thereof - Google Patents
Indoor and outdoor four-core butterfly-shaped optical cable and process flow thereof Download PDFInfo
- Publication number
- CN111650704A CN111650704A CN202010356245.3A CN202010356245A CN111650704A CN 111650704 A CN111650704 A CN 111650704A CN 202010356245 A CN202010356245 A CN 202010356245A CN 111650704 A CN111650704 A CN 111650704A
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- Prior art keywords
- optical fiber
- ribbon
- core
- sheath
- optical cable
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Classifications
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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
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- 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
- G02B6/4479—Manufacturing methods of optical 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
- G02B6/4479—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)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses an indoor and outdoor four-core butterfly-shaped optical cable and a process flow thereof, and relates to the field of communication hardware manufacturing. The optical cable provided by the invention comprises an outer sheath, a self-supporting part, a plurality of reinforcing parts and an optical fiber ribbon, wherein the optical fiber ribbon is a ribbon structure formed by coating an environment-friendly flexible resin material on an optical fiber bundle under the action of an ultraviolet curing furnace, and the environment-friendly flexible resin and the optical fiber are cured to form a high flatness, so that the butterfly cable is combined into a stronger integral structure and the capability of resisting the external force action of the butterfly cable is enhanced; the outer sheath is of an 8-shaped self-supporting structure, so that tensile capacity is guaranteed, and good installation performance is achieved; the optical cable is simple in structure, safe and reliable.
Description
Technical Field
The invention relates to the field of communication hardware manufacturing, in particular to an indoor and outdoor four-core butterfly-shaped optical cable and a process flow thereof.
Background
The optical fiber is a short-hand writing of optical fiber, is a fiber made of glass or plastic and can be used as a light conduction tool; fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. With the continuous deepening of the construction of the national '5G commercial', the rising of digital economy, the vigorous development of rural information network construction, the large-scale deployment of FTTH, the continuous promotion of services such as intelligent villages, video monitoring, broadband high-definition video and the like, the arrival of a digitalized large-flow era is promoted, so that the original optical fiber resources can not meet the requirement of large flow.
Butterfly-shaped optical cables with a one-core and two-core structure are mainly used for FTTH construction and residential part lines, and as the number of the existing households increases, the number of butterfly-shaped lead-in optical cables in the same area is increased repeatedly, so that the cost of the optical cables is increased. Especially, the optical cable for the residential access section of the residential area and the optical cable for the access network of the rural area mostly adopts the optical cable with a low core number below 2 cores, and the construction cost is increased by repeatedly laying the optical cable in the same area along with the rapid increase of the number of the current users.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the optical fiber ribbon butterfly-shaped optical cable which can improve the optical fiber capacity of a single butterfly-shaped optical cable, reduce repeated laying, enable the optical cable to be more quickly connected during construction, and meet the requirements of residential multi-user house entry and rural power grid capacity expansion in a community.
The purpose of the invention is realized by the following technical scheme: the utility model provides an indoor outer four-core area butterfly-shaped optical cable which characterized in that: the self-supporting optical fiber cable comprises an outer sheath, a self-supporting piece, a plurality of reinforcing pieces and an optical fiber ribbon; wherein:
the outer sheath comprises a sheath a, a sheath b and a suspension wire, and two ends of the suspension wire are respectively fixedly connected with the sheath a and the sheath b; the reinforcing members and the optical fiber ribbons are arranged in the sheath a, the optical fiber ribbons are positioned in the center of the sheath a, and the reinforcing members are uniformly distributed at two ends of the optical fiber ribbons, so that the optical fibers can be prevented from being broken after the outer sheath is damaged by rats and animals; the self-supporting piece is arranged in the sheath b, so that the laying is convenient and the laying cost is reduced; four-core optical fiber bundles are arranged in the optical fiber ribbon, and each core optical fiber bundle is a colored optical fiber; the outer sheath is of an 8-shaped structure.
Preferably, the optical fiber ribbon is a ribbon structure formed by coating an environment-friendly flexible resin material on an optical fiber bundle under the action of an ultraviolet curing furnace, the environment-friendly flexible resin and the optical fiber are cured to form a high flatness, the integral structure is combined to be a stronger integral structure, and the capacity of resisting the external force action of the butterfly cable is enhanced.
Preferably, the sheath a is a butterfly structure made of a low-smoke halogen-free polyolefin material with a high elastic modulus; sheath b is the tubular structure that low smoke and zero halogen polyolefin material that elastic modulus is higher made, and low smoke and zero halogen polyolefin material that elastic modulus is higher has good low smoke performance and fire behaviour, can apply to indoor outer in a flexible way.
A process flow of an indoor and outdoor four-core butterfly-shaped optical cable comprises the following steps:
s1: checking the running condition of the production line, and setting parameters of the production host for producing the four-core belt after the good running condition is determined;
s2: installing the qualified optical fiber bundle on a ribbon-combined optical fiber pay-off rack, winding the optical fiber bundle around a ribbon-combined leveling mold, and combining the optical fiber bundle on a ribbon-combined machine;
s3: the environment-friendly flexible resin is automatically coated on the optical fiber bundle through a ribbon combiner, then the optical fiber bundle enters a UV curing furnace, and the environment-friendly flexible resin coated on the optical fiber bundle is cured on the surface of the optical fiber bundle to form a uniformly coated four-core optical fiber ribbon;
s4: winding the processed four-core optical fiber ribbon by a traction wheel and a ribbon winding frame for standby;
s5: simultaneously feeding the optical fiber ribbons processed by the S1-S4 and the elastic flame-retardant material into an extruding machine to form an indoor and outdoor four-core optical fiber cable rough blank with a dish shape;
s6: the method comprises the following steps that the crystallinity of an indoor and outdoor four-core optical cable rough blank with a dish shape is solidified through a hot water tank, the outer diameter of the material is stabilized through a cold water tank, and whether the optical cable is qualified or not is detected after the material is dried by a dryer;
s7: on the basis of S6, returning the unqualified optical cable to the extruder to be recoated with the elastic flame-retardant material, and passing through S6 again until the optical cable is qualified;
s8: and the qualified optical cable is formed into a product through main traction, a wire storage frame, a take-up frame and a take-up reel.
The invention has the following advantages:
1. the optical cable of the invention reserves the external dimension, the suspension wire, the reinforcing piece and the like of the traditional butterfly-shaped optical cable, and ensures that all performance indexes of the optical cable product meet the requirements of national and industrial standards;
2. the design of the optical fiber ribbon not only improves the optical fiber capacity of a single butterfly-shaped optical cable and reduces repeated laying, but also has quicker optical cable connection efficiency during construction, and simultaneously meets the requirements of residential access of multiple users in a community and expansion of rural power grids;
3. the invention adopts a self-supporting structure, so that the whole optical cable has stronger tensile property.
Drawings
FIG. 1 is a front view of a cross section of an indoor and outdoor four-core ribbon butterfly-shaped optical cable;
FIG. 2 is a flow chart of a manufacturing process of an indoor and outdoor four-core butterfly-shaped optical cable;
in the figure: 1-sheath a; 2-self-supporting; 3-hanging wires; 4-an optical fiber ribbon; 5-a reinforcement; 6-sheath b; 7-fiber bundle.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1, an indoor and outdoor optical fiber ribbon 4 butterfly optical cable comprises an outer sheath, a self-supporting member 2, a plurality of reinforcing members 5 and an optical fiber ribbon 4; wherein:
the outer sheath comprises a sheath a1, a sheath b6 and a suspension wire 3, and two ends of the suspension wire 3 are fixedly connected with the sheath a1 and the sheath b6 respectively; the reinforcing members 5 and the optical fiber ribbons 4 are arranged in the sheath a1, the optical fiber ribbons 4 are positioned at the center a, the reinforcing members 5 are uniformly distributed at two ends of the optical fiber ribbons 4, and the optical fibers can be prevented from being broken after the outer sheath is damaged by rats; the self-supporting piece 2 is arranged in the sheath b6, so that the laying is convenient and the laying cost is reduced; a four-core optical fiber bundle 7 is arranged in the optical fiber ribbon 4, and each core optical fiber bundle 7 is a colored optical fiber; the outer sheath is of an 8-shaped structure.
Preferably, the optical fiber ribbon 4 is a ribbon structure formed by coating an environment-friendly flexible resin material on the optical fiber bundle 7 under the action of an ultraviolet curing furnace, the environment-friendly flexible resin and the optical fiber are cured to form a high-flatness integrated structure, and the capability of resisting the external force of the butterfly cable is enhanced.
As another embodiment, the optical fiber ribbon 4 can be directly protected by the elastic flame-retardant material, so that the space is saved, the size of the butterfly cable is reduced, the pipe penetrating construction operation of the butterfly cable is facilitated, and the flexibility and the construction efficiency of the butterfly cable are improved.
Preferably, the sheath a1 is a butterfly structure made of a low-smoke halogen-free polyolefin material with a high elastic modulus; sheath b6 is the tubular structure that the higher low smoke and zero halogen polyolefin material of elastic modulus made, and the higher low smoke and zero halogen polyolefin material of elastic modulus has good low smoke performance and fire behaviour, can be applied to indoor outer in a flexible way.
As shown in fig. 2, a process flow of an indoor and outdoor four-core butterfly-shaped optical cable comprises the following steps:
s1: checking the running condition of the production line, and setting parameters of the production host for producing the four-core belt after the good running condition is determined;
s2: installing the qualified optical fiber bundle 7 on a ribbon-combined optical fiber pay-off rack, winding the optical fiber bundle 7 around a ribbon-combined leveling mold, and combining the optical fiber bundle on a ribbon-combined machine;
s3: the environment-friendly flexible resin is automatically coated on the optical fiber bundle 7 through a ribbon combiner, then the optical fiber bundle 7 enters a UV curing furnace, and the environment-friendly flexible resin coated on the optical fiber bundle 7 is cured on the surface of the optical fiber bundle 7 to form a uniformly coated four-core optical fiber ribbon (4);
s4: the processed four-core optical fiber ribbon 4 is taken up by a traction wheel and a ribbon-combining take-up frame to be reserved for standby;
s5: simultaneously feeding the optical fiber ribbon 4 processed by the S1-S4 and the elastic flame-retardant material into an extruding machine to form an indoor and outdoor four-core optical fiber cable rough blank with a dish shape;
s6: the method comprises the following steps that the crystallinity of an indoor and outdoor four-core optical cable rough blank with a dish shape is solidified through a hot water tank, the outer diameter of the material is stabilized through a cold water tank, and whether the optical cable is qualified or not is detected after the material is dried by a dryer;
s7: on the basis of S6, returning the unqualified optical cable to the extruder to be recoated with the elastic flame-retardant material, and passing through S6 again until the optical cable is qualified;
s8: and the qualified optical cable is formed into a product through main traction, a wire storage frame, a take-up frame and a take-up reel.
Claims (4)
1. The utility model provides an indoor outer four-core area butterfly-shaped optical cable which characterized in that: comprises an outer sheath, a self-supporting part (2), a plurality of reinforcing parts (5) and an optical fiber ribbon (4); wherein:
the outer sheath comprises a sheath a (1), a sheath b (6) and a suspension wire (3), and two ends of the suspension wire (3) are respectively fixedly connected with the sheath a (1) and the sheath b (6); the reinforcing members (5) and the optical fiber ribbon (4) are arranged in the sheath a (1), the optical fiber ribbon (4) is positioned at the center of a, and the reinforcing members (5) are uniformly distributed at two ends of the optical fiber ribbon (4); the self-supporting piece (2) is arranged in the sheath b (6); a four-core optical fiber bundle (7) is arranged in the optical fiber ribbon (4), and each core optical fiber bundle (7) is a colored optical fiber; the outer sheath is of an 8-shaped structure.
2. The indoor and outdoor four-core ribbon butterfly-shaped optical cable according to claim 1, characterized in that: the optical fiber ribbon (4) is a ribbon structure formed by coating an environment-friendly flexible resin material on an optical fiber bundle (7) under the action of an ultraviolet curing furnace.
3. The indoor and outdoor four-core ribbon butterfly-shaped optical cable according to claim 1, characterized in that: the sheath a (1) is of a butterfly structure made of a low-smoke halogen-free polyolefin material with higher elastic modulus; the sheath b (6) is a tubular structure made of low-smoke halogen-free polyolefin material with higher elastic modulus.
4. The process flow of the indoor and outdoor four-core butterfly-shaped optical cable according to claims 1 to 3, characterized in that: the method comprises the following steps:
s1: checking the running condition of the production line, and setting parameters of the production host for producing the four-core belt after the good running condition is determined;
s2: installing the qualified optical fiber bundle (7) on a ribbon-combined optical fiber pay-off rack, winding the optical fiber bundle (7) around a ribbon-combined leveling mold, and combining the optical fiber bundle on a ribbon-combined machine;
s3: the environment-friendly flexible resin is automatically coated on the optical fiber bundle (7) through a ribbon combiner, then the optical fiber bundle (7) enters a UV curing furnace, and the environment-friendly flexible resin coated on the optical fiber bundle (7) is cured on the surface of the optical fiber bundle (7) to form a four-core optical fiber ribbon (4) with uniform coating;
s4: the processed four-core optical fiber ribbon (4) is taken up by a traction wheel and a ribbon-combining take-up frame and reserved for standby;
s5: simultaneously feeding the processed optical fiber ribbon (4) from S1 to S4 and the elastic flame-retardant material into an extruding machine to form an indoor and outdoor four-core optical fiber cable rough blank with a dish shape;
s6: the method comprises the following steps that the crystallinity of an indoor and outdoor four-core optical cable rough blank with a dish shape is solidified through a hot water tank, the outer diameter of the material is stabilized through a cold water tank, and whether the optical cable is qualified or not is detected after the material is dried by a dryer;
s7: on the basis of S6, returning the unqualified optical cable to the extruder to be recoated with the elastic flame-retardant material, and passing through S6 again until the optical cable is qualified;
s8: and the qualified optical cable is formed into a product through main traction, a wire storage frame, a take-up frame and a take-up reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356245.3A CN111650704A (en) | 2020-04-29 | 2020-04-29 | Indoor and outdoor four-core butterfly-shaped optical cable and process flow thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356245.3A CN111650704A (en) | 2020-04-29 | 2020-04-29 | Indoor and outdoor four-core butterfly-shaped optical cable and process flow thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111650704A true CN111650704A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010356245.3A Pending CN111650704A (en) | 2020-04-29 | 2020-04-29 | Indoor and outdoor four-core butterfly-shaped optical cable and process flow thereof |
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| CN (1) | CN111650704A (en) |
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| CN204679691U (en) * | 2015-05-12 | 2015-09-30 | 江苏中天科技股份有限公司 | Low-smoke non-halogen flame-retardant low friction butterfly leading in cable |
| CN105938229A (en) * | 2016-06-20 | 2016-09-14 | 西安西古光通信有限公司 | Cicada-repellent butterfly-shaped optical cable for FTTH, and manufacturing method thereof |
| CN206339729U (en) * | 2017-03-28 | 2017-07-18 | 长飞光纤光缆(上海)有限公司 | A kind of mini optical fibre band sensing optic cable |
| CN108614338A (en) * | 2018-06-30 | 2018-10-02 | 法尔胜泓昇集团有限公司 | - kind of indoor external application rounded groove optical cable and its manufacturing method |
| CN209373203U (en) * | 2019-01-14 | 2019-09-10 | 宏安集团有限公司 | Multiple-unit butterfly leading in cable |
-
2020
- 2020-04-29 CN CN202010356245.3A patent/CN111650704A/en active Pending
Patent Citations (18)
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| CN1942798A (en) * | 2004-04-14 | 2007-04-04 | 日立电线株式会社 | Optical fiber tape unit and optical fiber cable |
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| CN202049268U (en) * | 2011-04-27 | 2011-11-23 | 山东太平洋光缆有限公司 | 8-shaped flat loose tube optical fiber band communication optical fiber |
| CN102313945A (en) * | 2011-08-03 | 2012-01-11 | 江苏中天科技股份有限公司 | Circular rubber-covered-wire optical cable and manufacturing method thereof |
| JP2013178346A (en) * | 2012-02-28 | 2013-09-09 | Furukawa Electric Co Ltd:The | Optical fiber ribbon and method for manufacturing the same |
| CN202486384U (en) * | 2012-03-23 | 2012-10-10 | 长飞光纤光缆有限公司 | Self-supporting bow-type optical cable |
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| CN203396994U (en) * | 2013-08-01 | 2014-01-15 | 浙江一舟电子科技股份有限公司 | Rubber-insulated fiber cable |
| CN204679691U (en) * | 2015-05-12 | 2015-09-30 | 江苏中天科技股份有限公司 | Low-smoke non-halogen flame-retardant low friction butterfly leading in cable |
| CN105938229A (en) * | 2016-06-20 | 2016-09-14 | 西安西古光通信有限公司 | Cicada-repellent butterfly-shaped optical cable for FTTH, and manufacturing method thereof |
| CN206339729U (en) * | 2017-03-28 | 2017-07-18 | 长飞光纤光缆(上海)有限公司 | A kind of mini optical fibre band sensing optic cable |
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Application publication date: 20200911 |
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