CN111679389A - Optical cable for 5G small base station and manufacturing method thereof - Google Patents
Optical cable for 5G small base station and manufacturing method thereof Download PDFInfo
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- CN111679389A CN111679389A CN202010669941.XA CN202010669941A CN111679389A CN 111679389 A CN111679389 A CN 111679389A CN 202010669941 A CN202010669941 A CN 202010669941A CN 111679389 A CN111679389 A CN 111679389A
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- optical
- cable
- base station
- communication unit
- small base
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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
-
- 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
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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 relates to an optical cable for a 5G small base station and a manufacturing method thereof. The optical communication unit is one or more of optical fiber, tight-buffered optical fiber, optical fiber ribbon, optical fiber bundle, indoor single-core or multi-core optical cable and butterfly optical cable. The optical communication unit and the optical connector are integrated, so that the installation on a construction site is avoided, the connection reliability of the optical communication unit and the optical connector is ensured, the construction difficulty of an optical cable is reduced, the stripping is carried out on the site, the construction difficulty is greatly simplified, and the construction cost is reduced; the invention has simple and reasonable structure and arrangement, small size and convenient arrangement and use, and the optical cable has good flame retardant property and mechanical property and meets the use requirement of large-scale arrangement of the indoor small base station of the 5G base station.
Description
Technical Field
The invention relates to an optical cable for a 5G small base station and a manufacturing method thereof, belonging to the technical field of photoelectric communication transmission.
Background
With the continuous development of communication technology, the speed is high. 5G networks with low time delay, large capacity and wide coverage have been called for. The traditional optical network construction cannot meet the development requirement of 5G, and the base station to the optical network facility must be comprehensively updated. And 5G classifies the application scenes, and for conventional urban blocks, suburbs, rural areas and the like, macro base stations can be adopted for optical network construction. However, in application scenarios such as shopping centers and gymnasiums with dense people flows, the mobile data requirement is very high, the macro base station cannot meet the requirement, and the 5G small base station is produced. The 5G small base station is characterized in that a baseband processing unit and a radio remote unit are integrated together, and the purpose of network coverage is achieved through indoor large-area arrangement. However, when the traditional optical cable is applied to a 5G small base station, the arrangement line is complex, the arrangement difficulty is high, and the construction operation is troublesome.
Disclosure of Invention
The invention aims to solve the technical problem of providing the optical cable for the 5G small base station and the manufacturing method thereof aiming at the defects in the prior art, wherein the optical cable is simple and reasonable in structure and arrangement, small in size, convenient to arrange and use and especially suitable for large-area arrangement of the 5G small base station.
The technical scheme adopted by the invention for solving the problems is as follows: the optical cable comprises an outer sheath and a cable core and is characterized in that the cable core comprises an optical communication unit and an optical connector connected in series in the optical communication unit.
According to the scheme, the optical communication unit is one or more of an optical fiber, a tight-buffered optical fiber, an optical fiber ribbon, an optical fiber bundle, an indoor single-core or multi-core optical cable and a butterfly optical cable.
According to the scheme, the optical connectors are single-core and/or multi-core optical connectors, and the optical connectors are arranged in the cable core at intervals.
According to the scheme, the optical connector is connected with the optical fibers in the serially connected optical communication units in place in a front-back mode.
According to the scheme, the type of the optical connector is one or more of LC, SC and FC.
According to the scheme, the optical fibers, the tight-buffered optical fibers, the optical fiber ribbons and the optical fiber bundles are wrapped by the loose tubes.
According to the scheme, the outer surface of the outer sheath protrudes outwards in the area of the optical connector.
According to the scheme, the cable core is coated with the nonmetal reinforcing piece, and the nonmetal reinforcing piece is composed of aramid yarn or glass fiber yarn.
According to the scheme, the outer sheath is made of low-smoke halogen-free flame-retardant materials and polyvinyl chloride or TPU.
According to the scheme, 1-48 optical communication units are arranged.
The technical scheme of the manufacturing method of the optical cable is as follows:
installing an optical connector: serially connecting and installing optical connectors in an optical communication unit, and then fixing the optical connectors on a disc of the optical communication unit, wherein the fixed tension is 3-5N, the optical connectors can be placed in an optical cable through paying-off tension in the process of forming the optical cable, and the optical connectors are arranged at different intervals according to the installation and wiring requirements;
extruding the outer sheath: the optical communication unit containing the optical connector and the non-metal reinforcing part pass through a forming die at a constant speed according to the direction, an outer sheath is extruded outside the optical communication unit and the non-metal reinforcing part by using an extruding machine, and the extruding machine is sequentially arranged from a feeding hole to each area of a die opening: the feeding port, the first barrel area, the second barrel area, the third barrel area, the fourth barrel area, the fifth barrel area, the neck and the die orifice are respectively provided with the temperature of each area according to the material of the outer sheath: the feed inlet is 90 +/-5 ℃, the first barrel zone is 110 +/-10 ℃, the second barrel zone is 130 +/-10 ℃, the third barrel zone is 150 +/-10 ℃, the fourth barrel zone is 170 +/-10 ℃, the fifth barrel zone is 175 +/-10 ℃, and the neck and the die are 180 +/-10 ℃; the cooling area arranged at the outlet of the die orifice adopts sectional cooling, the first section connected with the die orifice adopts a warm water cooling tank, and the rest sections are cooled by normal temperature water.
According to the scheme, the paying-off tension of the optical communication unit in the outer sheath forming process is 10-20N, and the optical connector is coated in the cable core in the outer sheath.
The invention has the beneficial effects that: 1. the optical communication unit and the optical connector are integrated, the construction layout problem is considered in the production process of the optical cable, the application of the 5G small base station is facilitated, the optical network is quickly laid, the installation and connection in a construction site are avoided, the connection reliability of the optical communication unit and the optical connector is ensured, the difficulty in optical cable layout construction is reduced, the optical fiber can be directly butted by stripping in the site, the construction operation is quick and convenient, the time and the labor are saved, and the construction cost is reduced; 2. the invention has simple and reasonable structure and arrangement, small size and convenient arrangement and use, and the optical cable has good flame retardant property and mechanical property and meets the use requirement of large-scale arrangement of the indoor small base station of the 5G base station.
Drawings
Fig. 1 is a schematic diagram of the connection between an optical communication unit and an optical connector according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a radial configuration of one embodiment of the present invention.
FIG. 3 is a cross-sectional view of a radial configuration of an embodiment of the present invention at the location of an optical connector.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Including oversheath 3, the cladding has the cable core in the oversheath, the cable core include optical communication unit 1 and concatenate optical connector 2 in optical communication unit, optical communication unit be indoor single core optical cable, indoor single core optical cable is 4, every indoor single core optical cable concatenates an optical connector, each optical connector is separated by a section distance, optical connector be the optical connector of SC type, optical connector and the optical communication unit who concatenates connect to target in place around the optic fibre, the outer cladding nonmetal reinforcement of cable core 4, nonmetal reinforcement constitute by the aramid yarn, the aramid specification is 1610 dtex. The nonmetal reinforcing piece is externally coated with an outer sheath, the outer sheath is made of low-smoke halogen-free flame-retardant material, and the outer surface of the outer sheath protrudes outwards in the area of the optical connector.
The manufacturing method of the optical cable is carried out according to the following steps:
installing an optical connector: serially connecting and installing optical connectors in an optical communication unit, and then fixing the optical connectors on a disc of the optical communication unit, wherein the fixed tension is 3-5N, the optical connectors can be placed in an optical cable through paying-off tension in the process of forming the optical cable, and the optical connectors are arranged at different intervals according to the installation and wiring requirements;
extruding the outer sheath: the optical communication unit containing the optical connector and the non-metal reinforcing part pass through a forming die at a constant speed according to the direction, an outer sheath is extruded outside the optical communication unit and the non-metal reinforcing part by using an extruding machine, and the extruding machine is sequentially arranged from a feeding hole to each area of a die opening: the feeding port, the first barrel area, the second barrel area, the third barrel area, the fourth barrel area, the fifth barrel area, the neck and the die orifice are respectively provided with the temperature of each area according to the material of the outer sheath: the feed inlet is 90 +/-5 ℃, the first barrel zone is 110 +/-10 ℃, the second barrel zone is 130 +/-10 ℃, the third barrel zone is 150 +/-10 ℃, the fourth barrel zone is 170 +/-10 ℃, the fifth barrel zone is 175 +/-10 ℃, and the neck and the die are 180 +/-10 ℃; the cooling area arranged at the outlet of the die orifice adopts sectional cooling, the first section connected with the die orifice adopts a warm water cooling tank, and the rest sections are cooled by normal temperature water. The optical communication unit pay-off tension in the sheath forming is 10-20N, and the optical connector is coated in the cable core in the outer sheath.
Claims (10)
1. The optical cable for the 5G small base station comprises an outer sheath and a cable core and is characterized in that the cable core comprises an optical communication unit and an optical connector connected in series in the optical communication unit.
2. The optical cable for a 5G small base station as claimed in claim 1, wherein the optical communication unit is one or more of an optical fiber, a tight-buffered optical fiber, an optical fiber ribbon, an optical fiber bundle, an indoor single-core or multi-core optical cable, and a butterfly optical cable.
3. The optical cable for a 5G small base station as claimed in claim 1 or 2, wherein said optical connectors are single-core and/or multi-core optical connectors, and said optical connectors are spaced apart in said cable core.
4. An optical cable for a 5G mini base station as claimed in claim 1 or 2 wherein the optical connectors are connected in position front and back to the optical fibres in the optical communications units in series.
5. The optical cable for a 5G small base station according to claim 1 or 2, wherein the type of the optical connector is one or more of LC, SC, FC type.
6. The optical cable for a 5G small base station as claimed in claim 2, wherein the optical fibers, tight buffered optical fibers, optical fiber ribbons, and optical fiber bundles are coated with a loose tube.
7. The optical cable for a 5G small base station as claimed in claim 3, wherein an outer surface of the outer sheath is protruded outwardly in a region located at the optical connector.
8. The optical cable for a 5G small base station as claimed in claim 1, wherein the cable core is coated with a non-metallic reinforcing member, and the non-metallic reinforcing member is formed of aramid yarn or glass fiber yarn; the outer sheath is made of low-smoke halogen-free flame-retardant material and polyvinyl chloride or TPU.
9. A method for manufacturing an optical cable for a 5G small base station as claimed in claims 1 to 8, wherein the method is characterized in that
Installing an optical connector: serially connecting and installing optical connectors in an optical communication unit, and then fixing the optical connectors on a disc of the optical communication unit, wherein the fixed tension is 3-5N, the optical connectors can be placed in an optical cable through paying-off tension in the process of forming the optical cable, and the optical connectors are arranged at different intervals according to the installation and wiring requirements;
extruding the outer sheath: the optical communication unit containing the optical connector and the non-metal reinforcing part pass through a forming die at a constant speed according to the direction, an outer sheath is extruded outside the optical communication unit and the non-metal reinforcing part by using an extruding machine, and the extruding machine is sequentially arranged from a feeding hole to each area of a die opening: the feeding port, the first barrel area, the second barrel area, the third barrel area, the fourth barrel area, the fifth barrel area, the neck and the die orifice are respectively provided with the temperature of each area according to the material of the outer sheath: the feed inlet is 90 +/-5 ℃, the first barrel zone is 110 +/-10 ℃, the second barrel zone is 130 +/-10 ℃, the third barrel zone is 150 +/-10 ℃, the fourth barrel zone is 170 +/-10 ℃, the fifth barrel zone is 175 +/-10 ℃, and the neck and the die are 180 +/-10 ℃; the cooling area arranged at the outlet of the die orifice adopts sectional cooling, the first section connected with the die orifice adopts a warm water cooling tank, and the rest sections are cooled by normal temperature water.
10. The manufacturing method of the 5G small base station optical cable according to claim 9, wherein the optical communication unit has a wire laying tension of 10 to 20N in the sheath molding, and the optical connector is coated in the cable core in the outer sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669941.XA CN111679389B (en) | 2020-07-13 | 2020-07-13 | Optical cable for 5G small base station and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669941.XA CN111679389B (en) | 2020-07-13 | 2020-07-13 | Optical cable for 5G small base station and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111679389A true CN111679389A (en) | 2020-09-18 |
| CN111679389B CN111679389B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010669941.XA Active CN111679389B (en) | 2020-07-13 | 2020-07-13 | Optical cable for 5G small base station and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091132A (en) * | 2004-11-03 | 2007-12-19 | 康宁光缆系统有限责任公司 | Pre-connectorized fiber optic distribution cable having overmolded access location |
| CN101128764A (en) * | 2005-02-28 | 2008-02-20 | 康宁光缆系统有限责任公司 | Distribution fiber optic cables having at least one access location and methods of making the same |
| WO2015143642A1 (en) * | 2014-03-26 | 2015-10-01 | 奇点新源国际技术开发(北京)有限公司 | Photoelectric composite cable |
| CN105097078A (en) * | 2015-08-28 | 2015-11-25 | 长飞光纤光缆股份有限公司 | Photoelectric composite cable and manufacturing method thereof |
-
2020
- 2020-07-13 CN CN202010669941.XA patent/CN111679389B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091132A (en) * | 2004-11-03 | 2007-12-19 | 康宁光缆系统有限责任公司 | Pre-connectorized fiber optic distribution cable having overmolded access location |
| CN101128764A (en) * | 2005-02-28 | 2008-02-20 | 康宁光缆系统有限责任公司 | Distribution fiber optic cables having at least one access location and methods of making the same |
| WO2015143642A1 (en) * | 2014-03-26 | 2015-10-01 | 奇点新源国际技术开发(北京)有限公司 | Photoelectric composite cable |
| CN105097078A (en) * | 2015-08-28 | 2015-11-25 | 长飞光纤光缆股份有限公司 | Photoelectric composite cable and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN111679389B (en) | 2021-08-24 |
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