CN111863337A - Photoelectric composite cable for 5G small base station and manufacturing method thereof - Google Patents
Photoelectric composite cable for 5G small base station and manufacturing method thereof Download PDFInfo
- Publication number
- CN111863337A CN111863337A CN202010669162.XA CN202010669162A CN111863337A CN 111863337 A CN111863337 A CN 111863337A CN 202010669162 A CN202010669162 A CN 202010669162A CN 111863337 A CN111863337 A CN 111863337A
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- Prior art keywords
- optical
- cable
- connector
- composite cable
- core
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
Abstract
The invention relates to an optical-electrical composite cable for a 5G small base station and a manufacturing method thereof. The cable core also comprises an electric connector which is connected in series with the power supply lead, and the electric connector is a single-core or double-core electric connector. The invention integrates the optical communication unit and the electric unit, has simple and reasonable structure and convenient divergence and use, and has excellent mechanical property, weather resistance and flame retardant property; meanwhile, the optical communication unit and the optical connector are integrated, stripping is carried out on site, construction difficulty is simplified, connection reliability of the optical communication unit and the optical connector is guaranteed, construction difficulty of the photoelectric composite cable is reduced, and the use requirement of large-scale arrangement of the indoor small base station of the 5G base station is met.
Description
Technical Field
The invention relates to a photoelectric composite 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 photoelectric composite cable for the 5G small base station and the manufacturing method thereof aiming at the defects in the prior art, the photoelectric composite cable integrates optical communication and electric transmission, has simple and reasonable structure and small size, is convenient to lay and use, and is particularly suitable for large-area laying of the 5G small base station.
The technical scheme adopted by the invention for solving the problems is as follows: the cable comprises an outer sheath and a cable core, wherein the cable core comprises an optical communication unit and a power supply lead, and is characterized in that the cable core also comprises an optical connector which is 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 cable core also comprises an electric connector which is connected in series with the power supply lead, and the electric connector is a single-core or double-core electric connector.
According to the scheme, the power supply lead is a copper lead, and an insulating layer is coated outside the power supply lead.
According to the scheme, the outer surface of the outer sheath protrudes outwards in the area of the optical connector and the electric 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 power supply lead is provided with 2-48 leads.
The technical scheme of the manufacturing method of the photoelectric composite cable is as follows:
installing an optical connector: serially mounting 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 a composite cable through paying-off tension in the composite cable forming process, and the optical connectors are arranged at different intervals according to the installation wiring requirements;
installing an electric connector: the method comprises the following steps of mounting an electric connector in series in a power supply lead, fixing the electric connector on a disc of the power supply lead, wherein the fixing tension is 10-20N, placing the electric connector in a composite cable through paying-off tension in the composite cable forming process, and setting different intervals of the electric connector according to the mounting and wiring requirements;
Extruding the outer sheath: the optical communication unit containing the optical connector, the power supply wire containing the electrical 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, the power supply wire 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 and the electric connector are 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, and meanwhile, the power lead and the electric connector are integrated, so that the construction laying problem is considered in the production process of the composite cable, the application of a 5G small base station is facilitated, the optical network is quickly laid, the installation and connection on a construction site are avoided, the connection reliability of the optical communication unit and the optical connector is ensured, the laying construction difficulty of the optical-electric composite cable is reduced, the optical fiber can be directly butted by peeling on the site, the construction operation is quick and convenient, the time and the labor are saved, and the construction cost is reduced; 2. the light collecting communication unit and the electric unit are integrated, so that power management is reduced, wiring space resources are saved, and construction and maintenance costs are further reduced; 3. the composite cable has the advantages of simple and reasonable structure, small size and convenience in laying and using, has good flame retardant property and mechanical property, and meets the use requirement of large laying of indoor small base stations of 5G base stations.
Drawings
Fig. 1 is a schematic diagram of the connection of an optical communication unit and an optical connector according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of the connection of power conductors to an electrical connector according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view of a radial configuration of one embodiment of the present invention.
FIG. 4 is a cross-sectional view of a radial configuration of an embodiment of the present invention at the location of an optical connector.
Fig. 5 is a cross-sectional view of a radial configuration of an embodiment of the present invention at the location of an electrical connector.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Including oversheath 6, the oversheath is internal to cover the cable core, the cable core including optical communication unit 1 and power wire 3, the cable core still including concatenating optical connector 2 in optical communication unit, optical communication unit be indoor single core optical cable, indoor single core optical cable is 2, every indoor single core optical cable concatenates an optical connector, each optical connector is separated by one section distance, optical connector be the optical connector of SC type, optical connector and optical communication unit that concatenates connect in place around the optic fibre. The cable core in still include the electric connector 4 of concatenating in the power wire, the power wire be the copper wire, at the outer insulating layer that coats of power wire, the electric connector be single core electric connector, the power wire be 2, the electric connector is 2, electric connector and the power wire that concatenates connect from beginning to end. The cable core is externally coated with a nonmetal reinforcing part 5, the nonmetal reinforcing part is composed of aramid yarn, the aramid yarn is 3220dtex, the nonmetal reinforcing part 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 and the electric connector.
The manufacturing method of the photoelectric composite cable is carried out according to the following steps:
installing an optical connector: serially mounting 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 a composite cable through paying-off tension in the composite cable forming process, and the optical connectors are arranged at different intervals according to the installation wiring requirements;
installing an electric connector: the method comprises the following steps of mounting an electric connector in series in a power supply lead, fixing the electric connector on a disc of the power supply lead, wherein the fixing tension is 10-20N, placing the electric connector in a composite cable through paying-off tension in the composite cable forming process, and setting different intervals of the electric connector according to the mounting and wiring requirements;
extruding the outer sheath: the optical communication unit containing the optical connector, the power supply lead containing the electric connector and the non-metal reinforcement piece pass through a forming die at a constant speed according to the direction, a layer of sheath is extruded outside the optical communication unit, the electric unit and the non-metal reinforcement piece by using an extruding machine, and the extruding machine is sequentially arranged from a feed port to 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 outer sheath forming process is 10-20N, and the optical connector and the electric connector are coated in the cable core in the outer sheath.
Claims (10)
1. The photoelectric composite cable for the 5G small base station comprises an outer sheath and a cable core, wherein the cable core comprises an optical communication unit and a power supply lead, and is characterized in that the cable core further comprises an optical connector connected in series in the optical communication unit.
2. The optical-electrical composite cable for 5G small cell 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-electrical composite cable for 5G small base station according to claim 1 or 2, wherein the optical connectors are single-core and/or multi-core optical connectors, and the optical connectors are arranged in the cable core at intervals.
4. The optical-electrical composite cable for 5G small base station according to claim 1 or 2, wherein the optical connector is connected to the optical fiber of the optical communication unit in series in front and back.
5. The optical-electrical composite cable for 5G small cell sites according to claim 3 wherein the optical connectors are of one or more of the type LC, SC, FC.
6. The composite optical-electrical cable for 5G small base station as claimed in claim 1 or 2, wherein the optical fibers, tight-buffered optical fibers, optical fiber ribbons, and optical fiber bundles are covered with a loose tube.
7. The optical-electrical composite cable for 5G small base station according to claim 1 or 2, wherein the cable core further comprises an electrical connector connected in series with the power conductor, and the electrical connector is a single-core or double-core electrical connector.
8. The optical-electrical composite cable for a 5G small cell as claimed in claim 7, wherein the number of the optical communication units is 1 to 48; 2-48 power supply leads are arranged; the outer surface of the outer sheath protrudes outwards in the area of the optical connector and the electric connector.
9. The photoelectric composite cable for the 5G small base station according to claim 1 or 2, wherein the cable core is coated with a non-metallic reinforcing member, and the non-metallic reinforcing member is made 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.
10. The method for manufacturing the 5G small base station photoelectric composite cable as claimed in claims 1 to 9, wherein the method is characterized in that
Installing an optical connector: serially mounting 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 a composite cable through paying-off tension in the composite cable forming process, and the optical connectors are arranged at different intervals according to the installation wiring requirements;
Installing an electric connector: the method comprises the following steps of mounting an electric connector in series in a power supply lead, fixing the electric connector on a disc of the power supply lead, wherein the fixing tension is 10-20N, placing the electric connector in a composite cable through paying-off tension in the composite cable forming process, and setting different intervals of the electric connector according to the mounting and wiring requirements;
extruding the outer sheath: the optical communication unit containing the optical connector, the power supply wire containing the electrical 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, the power supply wire 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669162.XA CN111863337A (en) | 2020-07-13 | 2020-07-13 | Photoelectric composite cable for 5G small base station and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669162.XA CN111863337A (en) | 2020-07-13 | 2020-07-13 | Photoelectric composite cable for 5G small base station and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111863337A true CN111863337A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010669162.XA Pending CN111863337A (en) | 2020-07-13 | 2020-07-13 | Photoelectric composite cable for 5G small base station and manufacturing method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190469A (en) * | 1995-06-01 | 1998-08-12 | 美国3M公司 | Fiber optic ribbon cable and method for its manufacture |
| 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 |
| CN103413613A (en) * | 2013-07-30 | 2013-11-27 | 成都亨通光通信有限公司 | Self-supporting type mixed leading-in cable easy to branch |
| JP2015176642A (en) * | 2014-03-13 | 2015-10-05 | 日立金属株式会社 | Photoelectricity 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 |
| CN107329218A (en) * | 2017-06-20 | 2017-11-07 | 江苏中天科技股份有限公司 | A kind of high-definition multimedia transmission optoelectronic composite cable and preparation method thereof |
-
2020
- 2020-07-13 CN CN202010669162.XA patent/CN111863337A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190469A (en) * | 1995-06-01 | 1998-08-12 | 美国3M公司 | Fiber optic ribbon cable and method for its manufacture |
| 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 |
| CN103413613A (en) * | 2013-07-30 | 2013-11-27 | 成都亨通光通信有限公司 | Self-supporting type mixed leading-in cable easy to branch |
| JP2015176642A (en) * | 2014-03-13 | 2015-10-05 | 日立金属株式会社 | Photoelectricity 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 |
| CN107329218A (en) * | 2017-06-20 | 2017-11-07 | 江苏中天科技股份有限公司 | A kind of high-definition multimedia transmission optoelectronic composite cable and preparation method thereof |
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Application publication date: 20201030 |
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| RJ01 | Rejection of invention patent application after publication |