CN210403243U - Photoelectric composite cable for indoor wireless distribution system - Google Patents
Photoelectric composite cable for indoor wireless distribution system Download PDFInfo
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- CN210403243U CN210403243U CN201921834176.1U CN201921834176U CN210403243U CN 210403243 U CN210403243 U CN 210403243U CN 201921834176 U CN201921834176 U CN 201921834176U CN 210403243 U CN210403243 U CN 210403243U
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Abstract
The utility model provides an indoor for wireless distribution system photoelectric composite cable, its with low costs, the external diameter is little, capacious, light in weight, and satisfy 4G and 5G's communication demand, a cable are multi-purpose simultaneously. It includes two power cords, four group's line pairs, a light unit, and it is still including the skeleton, seven radial side protrusions of skeleton separate the cable chamber for seven skeleton chambeies, and two power cords, four group's line pairs, a light unit form overall structure after arranging respectively in the skeleton chamber that corresponds, overall structure's periphery cladding has the polyester area, the periphery cladding of polyester area has the oversheath, the cross section that the light unit includes that outside-in arranges in proper order is the fire-retardant sheath of ring form, aramid fiber and strengthens the ring piece, the intracavity of aramid fiber strengthens the ring piece is provided with optic fibre.
Description
Technical Field
The utility model relates to a technical field of photoelectric composite cable structure specifically is an indoor photoelectric composite cable for wireless distribution system.
Background
With the gradual maturity of 4G technology and the development of 5G technology, there are more and more small base stations used in wireless signal coverage in the wireless communication field, but since the comprehensive construction cost of 5G network is more than 5 times of 4G, 4G cannot be replaced by 5G, 5G will coexist with 4G for a long time, and in the long term, an optical-electrical composite cable is needed to support 4G and 5G indoor small base stations at the same time, based on CAT6A network wires or optical fibers laid during 4G deployment, the evolution to 5G is realized in the simplest engineering construction and without changing indoor network specifications, and further the problem of high cost in network construction is solved, the existing optical-electrical composite cable has a structure shown in fig. 1, and comprises a set of power lines and a set of butterfly cables arranged at intervals through the power lines in an inner cavity formed by an outer sheath and a polyester tape, the capacity of the existing optical-electrical composite cable is relatively small, and cannot meet the requirement of 5G, and if the diameter of the optical-electrical composite cable meeting the requirement of 5G set according to the structure is too large, therefore, a small-diameter photoelectric composite cable capable of meeting the requirements at present is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides an indoor for wireless distribution system photoelectric composite cable, its with low costs, the external diameter is little, capacious, light in weight, and satisfy 4G and 5G's communication demand, a cable are multi-purpose simultaneously.
The utility model provides an indoor for wireless distribution system photoelectric composite cable which characterized in that: it includes two power cords, four group's line pairs, a light unit, and it is still including the skeleton, seven radial side protrusions of skeleton separate the cable chamber for seven skeleton chambeies, and two power cords, four group's line pairs, a light unit form overall structure after arranging respectively in the skeleton chamber that corresponds, overall structure's periphery cladding has the polyester area, the periphery cladding of polyester area has the oversheath, the cross section that the light unit includes that outside-in arranges in proper order is the fire-retardant sheath of ring form, aramid fiber and strengthens the ring piece, the intracavity of aramid fiber strengthens the ring piece is provided with optic fibre.
It is further characterized in that:
the number of the cores of the optical fiber is set according to requirements, and the density of the optical fiber is large;
four groups of line pairs are adjacently arranged in four adjacent framework cavities, two power lines are arranged in two adjacent framework cavities, one side of the framework cavity corresponding to the optical unit is provided with the corresponding line pair, and the other side of the framework cavity is provided with the corresponding power line;
the optical fiber in the optical unit adopts a tight-sleeved structure or a bare fiber structure, the flame-retardant jacket enables the flame-retardant performance of the optical unit to meet the OFNR level, and meanwhile, the tensile resistance is improved due to the aramid fiber reinforced ring piece in the optical unit;
after the polyester belt is wound, extruding an outer sheath on the periphery of the polyester belt, wherein the outer sheath is made of environment-friendly polyvinyl chloride or low-smoke halogen-free materials, and the flame retardant property of the outer sheath can reach IEC 60332-3C bundled combustion grade after the outer sheath is formed in one step;
the polyester tape is wrapped with an aluminum foil shielding layer, and the outer sheath is wrapped on the periphery of the aluminum foil shielding layer;
each power line is made of a large-diameter conductor or a plurality of small-diameter conductors which are twisted and then wrapped with an insulating protection layer, the power line has the characteristics of internal electrification and external insulation, and after being twisted, the two power lines can be quickly connected with an RJ45 connector.
A preparation method of a photoelectric composite cable is characterized by comprising the following steps: the method comprises the steps of independently manufacturing a power line, a line pair and an optical unit respectively, then placing two power lines which finish a sheath, four twisted line pairs and the optical unit which finish the sheath process in corresponding framework grooves of a framework to form an integral structure, then carrying out polyester tape wrapping on the periphery of the integral structure, and then extruding a layer of outer sheath on the periphery of the polyester tape.
It is further characterized in that: an aluminum foil shielding procedure is arranged between the polyester tape wrapping and the outer sheath, so that the shielding and anti-interference capability of the integral composite cable is ensured;
when the power line is manufactured, the copper wires with corresponding sizes are put into a warehouse, and then an insulating protective layer is coated outside the periphery of the copper wires to manufacture the power line;
when the wire pairs are manufactured, the copper wires with corresponding sizes are put into a warehouse, then an insulating sheath covers the periphery of the copper wires, then the copper wires are twisted in pairs to form corresponding wire pairs, and then the sheaths are covered;
when the optical unit is manufactured, after optical fibers are put in a warehouse, the optical fibers adopt a tight-sleeved structure or a bare-fiber structure, and then are sequentially coated with an aramid fiber reinforced ring piece and a flame-retardant sheath.
After the utility model is adopted, the cable cavity is divided into seven framework cavities by seven radial side bulges of the framework, two power lines, four groups of line pairs and one light unit are respectively arranged behind the corresponding framework cavities to form an integral structure, the periphery of the integral structure is coated with a polyester belt, the periphery of the polyester belt is coated with an outer sheath, the light unit comprises a flame-retardant sheath with a circular cross section and an aramid fiber reinforced ring piece which are sequentially arranged from outside to inside, the inner cavity of the aramid fiber reinforced ring piece is internally provided with optical fibers, the light unit has the advantages of capacity increase, long transmission distance, strong anti-interference capability, attenuation reduction and the like, the aramid fiber reinforced ring piece is adopted as a reinforcing piece, the reliability of the optical cable is improved, the optical interconnection among small base stations in network construction is realized, huge data flow is provided, the optical cable is simple in manufacturing process while the transmission performance is ensured, no filling material is required, the consumption of raw materials is reduced, and the product cost, the manufacturing cost and the construction cost are reduced; the cable has the advantages of low cost, small outer diameter, large capacity and light weight, and can simultaneously meet the communication requirements of 4G and 5G, and has multiple purposes.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a conventional optical/electrical composite cable;
FIG. 2 is a cross-sectional structural view of the present invention;
the names corresponding to the sequence numbers in fig. 2 are as follows:
the cable comprises a power line 1, a line pair 2, an optical unit 3, a framework 4, a radial side protrusion 41, a framework cavity 5, a polyester tape 6, an outer sheath 7, a flame-retardant sheath 8, an aramid fiber reinforced ring member 9, an optical fiber 10 and an aluminum foil shielding layer 11.
Detailed Description
An indoor is compound cable of photoelectricity for wireless distribution system, see fig. 2: the optical fiber cable comprises two power lines 1, four groups of line pairs 2, an optical unit 3 and a framework 4, wherein seven radial side protrusions 41 of the framework 4 divide a cable cavity into seven framework cavities 5, the two power lines 1, the four groups of line pairs 2 and the optical unit 3 are respectively arranged behind the corresponding framework cavities 5 to form an integral structure, the periphery of the integral structure is coated with a polyester belt 6, the periphery of the polyester belt 6 is coated with an outer sheath 7, the optical unit 3 comprises a flame-retardant sheath 8 with a circular ring-shaped cross section, an aramid fiber reinforced ring piece 9 and optical fibers 10, wherein the flame-retardant sheath 8 and the aramid fiber reinforced ring piece 9 are sequentially arranged from outside to inside.
The number of the cores of the optical fiber 10 is set according to requirements, and the density of the optical fiber is large;
four groups of line pairs 2 are adjacently arranged in four adjacent framework cavities 5, two power lines 1 are arranged in two adjacent framework cavities 5, the framework cavity 5 at one side of the framework cavity 5 corresponding to the optical unit 3 is provided with the corresponding line pair 2, and the framework cavity 5 at the other side is provided with the corresponding power line 1;
the optical fiber 10 in the optical unit 3 adopts a tight-sleeve structure or a bare fiber structure, the flame-retardant jacket 8 enables the flame-retardant performance of the optical unit to meet the OFNR level, and meanwhile, the aramid fiber reinforcement ring 9 in the optical unit 3 enables the tensile resistance to be improved;
after the polyester belt 6 is wrapped, extruding a layer of outer sheath 7 on the periphery of the polyester belt, wherein the outer sheath 7 is made of environment-friendly polyvinyl chloride or low-smoke halogen-free, and the flame retardant property of the formed sheath reaches IEC 60332-3C bundled combustion grade after one-step sheath forming;
in the specific embodiment, the polyester tape 6 is wrapped with the aluminum foil shielding layer 11, and the outer sheath 7 is wrapped on the periphery of the aluminum foil shielding layer 11;
each power line 1 is made of a large-diameter conductor or a plurality of small-diameter conductors which are twisted and then wrapped with an insulating protection layer, and has the characteristics of internal electrification and external insulation, and after being twisted, the two power lines can be quickly connected with an RJ45 connector.
A preparation method of the photoelectric composite cable comprises the following steps: the method comprises the steps of independently manufacturing a power line, a line pair and an optical unit respectively, then placing two power lines which finish a sheath, four twisted line pairs and the optical unit which finish the sheath process in corresponding framework grooves of a framework to form an integral structure, then carrying out polyester tape wrapping on the periphery of the integral structure, and then extruding a layer of outer sheath on the periphery of the polyester tape.
An aluminum foil shielding procedure is arranged between the polyester tape wrapping and the outer sheath, so that the shielding and anti-interference capability of the integral composite cable is ensured;
when the power line is manufactured, the copper wires with corresponding sizes are put into a warehouse, and then an insulating protective layer is coated outside the periphery of the copper wires to manufacture the power line;
when the wire pairs are manufactured, the copper wires with corresponding sizes are put into a warehouse, then an insulating sheath covers the periphery of the copper wires, then the copper wires are twisted in pairs to form corresponding wire pairs, and then the sheaths are covered;
when the optical unit is manufactured, after optical fibers are put in a warehouse, the optical fibers adopt a tight-sleeved structure or a bare-fiber structure, and then are sequentially coated with an aramid fiber reinforced ring piece and a flame-retardant sheath.
The working principle is as follows: because seven radial side protrusions of the framework divide the cable cavity into seven framework cavities, two power lines, four pairs of line pairs and one optical unit are respectively arranged behind the corresponding framework cavities to form an integral structure, the periphery of the integral structure is coated with a polyester belt, the periphery of the polyester belt is coated with an outer sheath, the optical unit comprises a flame-retardant sheath with a circular cross section and an aramid fiber reinforced ring piece which are sequentially arranged from outside to inside, the inner cavity of the aramid fiber reinforced ring piece is internally provided with an optical fiber, the optical unit has the advantages of increased capacity, long transmission distance, strong anti-interference capability, reduced attenuation and the like, the aramid fiber reinforced ring piece is used as the reinforcement, the reliability of the optical cable is improved, the optical interconnection among small base stations in network construction is realized, huge data flow is provided, the manufacturing process is simple while the transmission performance is ensured, no filling material is required to be added, the, the consumption of raw materials is reduced, and the product cost, the manufacturing cost and the construction cost are reduced; the cable has the advantages of low cost, small outer diameter, large capacity and light weight, and can simultaneously meet the communication requirements of 4G and 5G, and has multiple purposes.
With the successful freezing of the 3GPP R15 version (Phase1) by 2017, the 5G step has gradually come closer. In the age of 5G, 70% of the traffic will occur indoors. Anytime and anywhere 100Mbps will become a common requirement for 5G indoor coverage, and the capacity density of indoor scenes will also increase by 8 times in the next 5 years. Novel mixed cable of photoelectricity is with the wide application in-process that evolves to 5G, the cooperation is little the basic station and is used, connect pRRU and DCU, thereby solve fiber communication simultaneously, power transmission and data transmission scheduling problem, because built-in optical cable unit, power cord and data cable under the overcoat, realize wide frequency signal's transmission and power transmission, transmission safe and reliable, the interference killing feature strengthens greatly, and the multi-purpose effect of a cable has been reached, and simultaneously, it reduces greatly to have the external diameter, the optional unit cable of chooseing for use, once only install the unit cable of multiple use in the wiring engineering, not only save the time and the space of wiring, also will further reduce installation cost.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an indoor for wireless distribution system photoelectric composite cable which characterized in that: it includes two power cords, four group's line pairs, a light unit, and it is still including the skeleton, seven radial side protrusions of skeleton separate the cable chamber for seven skeleton chambeies, and two power cords, four group's line pairs, a light unit form overall structure after arranging respectively in the skeleton chamber that corresponds, overall structure's periphery cladding has the polyester area, the periphery cladding of polyester area has the oversheath, the cross section that the light unit includes that outside-in arranges in proper order is the fire-retardant sheath of ring form, aramid fiber and strengthens the ring piece, the intracavity of aramid fiber strengthens the ring piece is provided with optic fibre.
2. The optical-electrical composite cable for indoor wireless distribution system according to claim 1, wherein: four sets of line pairs are adjacently arranged in four adjacent skeleton chambers, two power cords are arranged in two adjacent skeleton chambers, one side of the skeleton chamber corresponding to the light unit is provided with a corresponding line pair, and the other side is provided with a skeleton chamber provided with a corresponding power cord.
3. The optical-electrical composite cable for indoor wireless distribution system according to claim 2, wherein: the optical fiber in the optical unit adopts a tight-sleeve structure or a bare fiber structure.
4. The optical-electrical composite cable for indoor wireless distribution system according to claim 1, wherein: after the polyester belt is wound, an outer sheath is extruded at the periphery of the polyester belt, and the outer sheath is made of environment-friendly polyvinyl chloride or low-smoke halogen-free materials.
5. The optical-electrical composite cable for indoor wireless distribution system according to claim 1, wherein: the polyester tape is wrapped with an aluminum foil shielding layer, and the outer sheath is wrapped on the periphery of the aluminum foil shielding layer.
6. The optical-electrical composite cable for indoor wireless distribution system according to claim 1, wherein: each power line is made of a large-diameter conductor or a plurality of small-diameter conductors which are twisted and then wrapped with an insulating protection layer, the power line has the characteristics of internal electrification and external insulation, and after being twisted, the two power lines can be quickly connected with an RJ45 connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921834176.1U CN210403243U (en) | 2019-10-29 | 2019-10-29 | Photoelectric composite cable for indoor wireless distribution system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921834176.1U CN210403243U (en) | 2019-10-29 | 2019-10-29 | Photoelectric composite cable for indoor wireless distribution system |
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| CN210403243U true CN210403243U (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634595A (en) * | 2019-10-29 | 2019-12-31 | 江苏亨通光电股份有限公司 | Photoelectric composite cable for indoor wireless distribution system and preparation method thereof |
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2019
- 2019-10-29 CN CN201921834176.1U patent/CN210403243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634595A (en) * | 2019-10-29 | 2019-12-31 | 江苏亨通光电股份有限公司 | Photoelectric composite cable for indoor wireless distribution system and preparation method thereof |
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