CN213844872U - Low-inductance photoelectric hybrid cable for 5G communication - Google Patents

Low-inductance photoelectric hybrid cable for 5G communication Download PDF

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Publication number
CN213844872U
CN213844872U CN202120091227.7U CN202120091227U CN213844872U CN 213844872 U CN213844872 U CN 213844872U CN 202120091227 U CN202120091227 U CN 202120091227U CN 213844872 U CN213844872 U CN 213844872U
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China
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coaxial line
sheath
coaxial
reinforcing member
cable core
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CN202120091227.7U
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Chinese (zh)
Inventor
蒋宝军
张书军
张宝龙
李宏章
王怀安
王振彪
窦丽梅
张红军
李彬
纪艳丽
董瀚元
薛林
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Hebei Huatong Wires And Cables Group Co ltd
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Hebei Huatong Wires And Cables Group Co ltd
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Abstract

The utility model relates to a 5G is low inductance photoelectric hybrid cable for communication belongs to photoelectric hybrid cable technical field. The technical scheme is as follows: nine signal line pairs and six coaxial lines are distributed around the optical units and twisted into a cable core, a cable core wrapping belt (17) is wrapped outside the cable core, and a corrugated copper strip shield (18) is longitudinally arranged outside the cable core wrapping belt (17) and an outer sheath (19) is extruded. The utility model discloses an actively the effect: the shielding effect of 100 percent can be realized, the interference of external signals is effectively avoided, and the corrugated copper strip shielding can also play a certain mechanical protection role on the cable core.

Description

Low-inductance photoelectric hybrid cable for 5G communication
Technical Field
The utility model relates to a 5G is low inductance photoelectric hybrid cable for communication belongs to photoelectric hybrid cable technical field.
Background
With the formal business of 5G communication, the construction of 5G base stations brings new opportunities for the development of optical fiber communication infrastructures, and the coverage area of the 5G base stations is smaller than that of 4G base stations, which means that the density of the 5G base stations is far higher than that of the 4G base stations, the base stations in various forms are popularized from cities to rural areas, and the power supply and optical communication of the base stations can be simultaneously solved by laying the photoelectric mixed cable once, so that the photoelectric mixed cable is approved by more and more operators.
The control signal wire in the common photoelectric mixed cable is generally shielded by an aluminum-plastic composite belt or braided shield, and has no specific requirement on inductance. However, when a sinusoidal alternating current signal is transmitted, the amplitude of the sinusoidal alternating current signal is reduced through the blocking effect of the inductor, so that the signal strength on the load is reduced, and the stability and the safety of control signal transmission are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a 5G is low inductance photoelectric hybrid cable for communication can realize 100% shielding effect, effectively avoids external signal to disturb, also can play certain mechanical protection effect to the cable core simultaneously, solves the above-mentioned problem that the background art exists.
The technical scheme of the utility model is that:
a low-inductance photoelectric hybrid cable for 5G communication comprises a reinforcing member, a cushion layer, optical fibers, a coating layer, a nonmetal reinforcing member aramid fiber A, an optical unit sheath, a nonmetal reinforcing member aramid fiber B, a first wrapping tape, a signal wire conductor, a signal wire insulator, nylon, a second wrapping tape, a coaxial wire conductor, a coaxial wire insulator, a coaxial wire shield, a coaxial wire sheath, a cable core wrapping tape, a corrugated copper strip shield and an outer sheath; the optical unit cable comprises a reinforcing member, a plurality of tight-sleeved optical fibers, a cushion layer, an optical unit cable core, a nonmetal reinforcing member aramid fiber A, an optical unit sheath, a nonmetal reinforcing member aramid fiber B, a wrapping band and an optical unit, wherein the reinforcing member is arranged at the central position, the cushion layer is extruded outside the reinforcing member to form a central reinforcing member, the covering layer is extruded outside the optical fibers to form a tight-sleeved optical fiber, the number of tight-sleeved optical fibers is multiple, the plurality of tight-sleeved optical fibers are twisted outside the central reinforcing member to form the optical unit cable core, the nonmetal reinforcing member aramid fiber A is longitudinally arranged outside the optical unit cable core, the nonmetal reinforcing member aramid fiber B is longitudinally arranged outside the optical unit sheath, and the optical unit sheath is wrapped with the wrapping band to form the optical unit; extruding signal wire insulation and nylon outside the signal wire conductor to form a signal wire, and twisting and wrapping two pairs of signal wires with a wrapping tape II to form a signal wire pair; extruding coaxial line insulation outside the coaxial line conductor, twisting the coaxial line insulation outside the coaxial line conductor to shield the coaxial line, and extruding a coaxial line sheath to form the coaxial line; nine signal line pairs and six coaxial lines are distributed around the optical units and twisted into a cable core, a cable core wrapping tape is wrapped outside the cable core, and the corrugated copper strip is longitudinally arranged outside the cable core wrapping tape for shielding and extruding out the outer sheath.
The six coaxial lines clockwise surround the light unit, a signal line pair is arranged between the first coaxial line and the second coaxial line, between the second coaxial line and the third coaxial line, and between the fourth coaxial line and the fifth coaxial line, and 5 signal line pairs are arranged between the first coaxial line and the sixth coaxial line.
The signal line pairs are distinguished by different colors.
The reinforcing member is a glass fiber reinforced plastic rod; the cushion layer is an environment-friendly polyvinyl chloride cushion layer; the optical fiber is G657A1 type bending insensitive optical fiber; the coating layer is an environment-friendly polyvinyl chloride coating layer; the optical unit sheath is an environment-friendly polyvinyl chloride sheath; the aramid fiber B of the non-metal reinforcing member is a filling rope; the first wrapping tape is a polyester film.
The signal line conductor is an oxygen-free copper conductor; the signal wire is insulated by environment-friendly polyvinyl chloride; the second wrapping tape is a polyester film.
The coaxial line conductor is an oxygen-free copper conductor; the coaxial line insulation is cross-linked polyethylene insulation; the coaxial line shield is a layer stranded copper wire shield; the coaxial line sheath is an environment-friendly polyvinyl chloride sheath.
The cable core wrapping belt is a polyester film, and the outer sheath is an environment-friendly polyvinyl chloride sheath.
The utility model discloses an actively the effect: the shielding effect of 100 percent can be realized, the interference of external signals is effectively avoided, and the corrugated copper strip shielding can also play a certain mechanical protection role on the cable core.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the optical fiber cable comprises a reinforcing member 1, a cushion layer 2, an optical fiber 3, a coating layer 4, a nonmetal reinforcing member aramid fiber A5, an optical unit sheath 6, a nonmetal reinforcing member aramid fiber B7, a first wrapping tape 8, a signal wire conductor 9, a signal wire insulator 10, nylon 11, a second wrapping tape 12, a coaxial wire conductor 13, a coaxial wire insulator 14, a coaxial wire shield 15, a coaxial wire sheath 16, a cable core wrapping tape 17, a corrugated copper strip shield 18 and an outer sheath 19.
Detailed Description
The invention is further described with reference to the following figures and examples:
a low-inductance photoelectric hybrid cable for 5G communication comprises a reinforcing member 1, a cushion layer 2, an optical fiber 3, a coating layer 4, a nonmetal reinforcing member aramid fiber A5, an optical unit sheath 6, a nonmetal reinforcing member aramid fiber B7, a first wrapping tape 8, a signal line conductor 9, a signal line insulator 10, nylon 11, a second wrapping tape 12, a coaxial line conductor 13, a coaxial line insulator 14, a coaxial line shield 15, a coaxial line sheath 16, a cable core wrapping tape 17, a rolled copper strip shield 18 and an outer sheath 19; the optical fiber unit is characterized in that the reinforcing member 1 is arranged at the center, a cushion layer 2 is extruded outside the reinforcing member 1 to form a central reinforcing piece, a coating layer 4 is extruded outside the optical fiber 3 to form a tight-sleeved optical fiber, the number of the tight-sleeved optical fibers is multiple, the multiple tight-sleeved optical fibers are twisted outside the central reinforcing piece to form an optical unit cable core, a nonmetal reinforcing member aramid fiber A5 is longitudinally arranged outside the optical unit cable core and extrude an optical unit sheath 6, and a nonmetal reinforcing member aramid fiber B7 is longitudinally arranged outside the optical unit sheath 6 and wraps a first cladding 8 to form an optical unit; a signal wire insulation 10 and nylon 11 are extruded outside the signal wire conductor 9 to form a signal wire with double-layer insulation, and two pairs of signal wires are twisted and wrapped with a wrapping tape two 12 to form a signal wire pair; a coaxial line insulation 14 is extruded outside the coaxial line conductor 13, and a coaxial line sheath 16 is extruded after a coaxial line shield 15 is twisted outside the coaxial line insulation 14 to form a coaxial line; nine signal line pairs and six coaxial lines are distributed around the optical units and twisted into a cable core, a cable core wrapping tape 17 is wrapped outside the cable core, and the corrugated copper strip shielding 18 is longitudinally arranged outside the cable core wrapping tape 17 and extrudes an outer sheath 19.
The six coaxial lines clockwise surround the light unit, a signal line pair is arranged between the first coaxial line and the second coaxial line, between the second coaxial line and the third coaxial line, and between the fourth coaxial line and the fifth coaxial line, and five signal line pairs are arranged between the first coaxial line and the sixth coaxial line.
The signal line pairs are distinguished by different colors.
The reinforcing member 1 is a glass fiber reinforced plastic rod; the cushion layer 2 is an environment-friendly polyvinyl chloride cushion layer; the optical fiber 3 is a G657A1 bending insensitive optical fiber; the coating layer 4 is an environment-friendly polyvinyl chloride coating layer; the optical unit sheath 6 is an environment-friendly polyvinyl chloride sheath; the aramid fiber B7 of the non-metal reinforcing member is a filling rope; the first wrapping tape 8 is a polyester film.
The signal line conductor 9 is an oxygen-free copper conductor; the signal line insulation 10 is environment-friendly polyvinyl chloride; the second wrapping tape 12 is a polyester film.
The coaxial conductor 13 is an oxygen-free copper conductor; the coaxial line insulation 14 is cross-linked polyethylene insulation; the coaxial line shield 15 is a layer stranded copper wire shield; the coaxial cable sheath 16 is an environmentally friendly polyvinyl chloride sheath.
The cable core wrapping belt 17 is a polyester film, and the outer sheath 19 is an environment-friendly polyvinyl chloride sheath.
The utility model discloses a concrete embodiment does:
the center of the optical unit adopts a glass fiber reinforced plastic rod with the tensile strength of more than or equal to 1100MPa as a reinforcing member, and an environment-friendly polyvinyl chloride cushion layer is extruded on the outer layer of the optical unit to form a central reinforcing member; the optical fiber adopts a G657A1 type bending insensitive optical fiber, and an environment-friendly polyvinyl chloride coating layer is extruded outside the optical fiber to form a tight-buffered optical fiber; a plurality of tight-sleeved optical fiber layers are twisted outside a central reinforcing part to form an optical unit cable core, a nonmetal reinforcing member aramid fiber is longitudinally arranged outside the optical unit cable core, an environment-friendly polyvinyl chloride sheath is extruded (the nonmetal reinforcing member aramid fiber can realize short-term tensile resistance of 3000N and long-term tensile resistance of 1000N), and a filling rope is twisted outside the environment-friendly polyvinyl chloride sheath and is wrapped with a polyester film in a parallel mode, so that the appearance of the formed mixed cable is more round. The used optical fiber has excellent bending resistance, and the tightly sleeved optical fiber structure is easier to construct and install.
The signal wire is formed by wrapping a polyester film around an oxygen-free copper conductor, an environment-friendly polyvinyl chloride and nylon composite insulator after being twisted in pairs; compared with the common single insulated wire, the added nylon insulating layer can improve the electrical performance, moisture resistance and wear resistance of the insulated wire.
The low-inductance coaxial line consists of an oxygen-free copper conductor, crosslinked polyethylene insulation, a layer-twisted copper wire shield and an environment-friendly polyvinyl chloride sheath; the inductance value of the coaxial line is not more than 0.072 muH/m, and the influence on the system alternating current signal can be effectively reduced.
Nine signal line pairs and six coaxial lines are distributed around the optical unit and twisted into a cable core, the corrugated copper strip shielding is longitudinally wrapped outside the cable core, and a polyester film with high pressure resistance is wrapped between the cable core and the shielding; the corrugated copper strip shielding can realize 100% shielding effect, effectively avoid external signal interference and simultaneously play a certain mechanical protection role on the cable core. The environment-friendly polyvinyl chloride sheath is extruded outside the corrugated copper strip shield.

Claims (6)

1. The utility model provides a 5G is low inductance photoelectricity hybrid cable for communication which characterized in that: the optical fiber cable comprises a reinforcing member (1), a cushion layer (2), an optical fiber (3), a coating layer (4), a nonmetal reinforcing member aramid fiber A (5), an optical unit sheath (6), a nonmetal reinforcing member aramid fiber B (7), a first wrapping tape (8), a signal wire conductor (9), a signal wire insulator (10), a nylon (11), a second wrapping tape (12), a coaxial wire conductor (13), a coaxial wire insulator (14), a coaxial wire shield (15), a coaxial wire sheath (16), a cable core wrapping tape (17), a corrugated copper strip shield (18) and an outer sheath (19); the optical unit cable is characterized in that the reinforcing member (1) is arranged at the center, a cushion layer (2) is extruded outside the reinforcing member (1) to form a center reinforcing member, a coating layer (4) is extruded outside the optical fiber (3) to form a tight-sleeved optical fiber, the tight-sleeved optical fibers are multiple, the multiple tight-sleeved optical fibers are stranded outside the center reinforcing member to form an optical unit cable core, a nonmetal reinforcing member aramid fiber A (5) is longitudinally inserted outside the optical unit cable core and an optical unit sheath (6) is extruded, a nonmetal reinforcing member aramid fiber B (7) is longitudinally inserted outside the optical unit sheath (6) and a wrapping band I (8) is wrapped to form an optical unit; a signal wire insulator (10) and nylon (11) are extruded outside the signal wire conductor (9) to form a signal wire, and two pairs of signal wires are twisted and wrapped with a wrapping tape II (12) to form a signal wire pair; a coaxial line insulation (14) is extruded outside the coaxial line conductor (13), and a coaxial line sheath (16) is extruded after a coaxial line shield (15) is twisted outside the coaxial line insulation (14) to form a coaxial line; nine signal line pairs and six coaxial lines are distributed around the optical units and twisted into a cable core, a cable core wrapping belt (17) is wrapped outside the cable core, and a corrugated copper strip shield (18) is longitudinally arranged outside the cable core wrapping belt (17) and an outer sheath (19) is extruded.
2. The low-inductance photoelectric hybrid cable for 5G communication according to claim 1, wherein: the six coaxial lines clockwise surround the light unit, a signal line pair is arranged between the first coaxial line and the second coaxial line, between the second coaxial line and the third coaxial line, and between the fourth coaxial line and the fifth coaxial line, and five signal line pairs are arranged between the first coaxial line and the sixth coaxial line.
3. The low-inductance photoelectric hybrid cable for 5G communication according to claim 1 or 2, wherein: the reinforcing member (1) is a glass fiber reinforced plastic rod; the cushion layer (2) is an environment-friendly polyvinyl chloride cushion layer; the optical fiber (3) is a G657A1 type bending insensitive optical fiber; the coating layer (4) is an environment-friendly polyvinyl chloride coating layer; the optical unit sheath (6) is an environment-friendly polyvinyl chloride sheath; aramid fiber B (7) of the non-metal reinforcing member is a filling rope; the first wrapping tape (8) is a polyester film.
4. The low-inductance photoelectric hybrid cable for 5G communication according to claim 1 or 2, wherein: the signal wire conductor (9) is an oxygen-free copper conductor; the signal wire insulation (10) is environment-friendly polyvinyl chloride; the second wrapping tape (12) is a polyester film.
5. The low-inductance photoelectric hybrid cable for 5G communication according to claim 1 or 2, wherein: the coaxial conductor (13) is an oxygen-free copper conductor; the coaxial line insulation (14) is cross-linked polyethylene insulation; the coaxial line shield (15) is a layer stranded copper wire shield; the coaxial line sheath (16) is an environment-friendly polyvinyl chloride sheath.
6. The low-inductance photoelectric hybrid cable for 5G communication according to claim 1 or 2, wherein: the cable core wrapping belt (17) is a polyester film, and the outer sheath (19) is an environment-friendly polyvinyl chloride sheath.
CN202120091227.7U 2021-01-14 2021-01-14 Low-inductance photoelectric hybrid cable for 5G communication Active CN213844872U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120091227.7U CN213844872U (en) 2021-01-14 2021-01-14 Low-inductance photoelectric hybrid cable for 5G communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120091227.7U CN213844872U (en) 2021-01-14 2021-01-14 Low-inductance photoelectric hybrid cable for 5G communication

Publications (1)

Publication Number Publication Date
CN213844872U true CN213844872U (en) 2021-07-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120091227.7U Active CN213844872U (en) 2021-01-14 2021-01-14 Low-inductance photoelectric hybrid cable for 5G communication

Country Status (1)

Country Link
CN (1) CN213844872U (en)

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