CN220020720U - Photoelectric composite shielding cable for communication machine room - Google Patents
Photoelectric composite shielding cable for communication machine room Download PDFInfo
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- CN220020720U CN220020720U CN202320535661.9U CN202320535661U CN220020720U CN 220020720 U CN220020720 U CN 220020720U CN 202320535661 U CN202320535661 U CN 202320535661U CN 220020720 U CN220020720 U CN 220020720U
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- 238000004891 communication Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims 4
- 239000003351 stiffener Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The photoelectric composite shielding cable for the communication machine room comprises a cable core, a copper strip layer and an outer sheath layer, wherein the copper strip layer and the outer sheath layer are sequentially arranged outside the cable core; the cable core comprises an electric unit, an optical unit, a reinforcing piece and a filling layer, wherein the electric unit is divided into a first electric unit and a second electric unit; the first electric units are uniformly distributed at the outer circle of the reinforcing piece; the filling layer is distributed at the gaps of the first electric units and the outer circles of the first electric units, and the second electric units and the light units are distributed at the outer circles of the filling layer. The utility model integrates the multi-electric unit and the multi-optical unit into a whole, can simultaneously provide optical signals for a communication machine room and power supply for equipment, and reduces the total amount of exposed cables. The utility model has reasonable structure, can effectively ensure the normal use of the cable in the communication machine room, and improves the wiring efficiency and the safety performance of the communication machine room.
Description
Technical Field
The utility model relates to the technical field of optical fiber cables, in particular to a photoelectric composite shielding cable for a communication machine room.
Background
The communication machine room is the most basic and core resource of each telecom operator, and the layout of the cable is reasonably and effectively regulated in the machine room construction link, so that the communication machine room has very important significance for fully utilizing the space resource of the communication machine room, facilitating maintenance personnel to perform daily maintenance operation, rapidly processing equipment faults, reducing operation cost, improving the core competitiveness of enterprises and the like.
The wiring mode of the machine room commonly used at present is an anti-static underfloor wiring mode, is attractive and has good running stability. However, with the expansion of the machine room, new communication equipment and cables are required to be added, and service lines in the process of wiring are required to be concentrated under the antistatic floor. When a large number of service lines are stirred together, the maintenance of the fault cable is very unfavorable, and the difficulty is brought to the daily maintenance of equipment.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the photoelectric composite shielding cable for the communication machine room, which simultaneously comprises an optical unit and an electrical unit, can simultaneously provide power transmission and optical signal transmission, reduces the total amount of cables in the communication machine room and improves the wiring efficiency of the communication machine room.
In order to achieve the above purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows:
the photoelectric composite shielding cable for the communication machine room is characterized by comprising a cable core, a copper strip layer and an outer sheath layer, wherein the copper strip layer and the outer sheath layer are sequentially arranged outside the cable core; the cable core comprises an electric unit, an optical unit, a reinforcing piece and a filling layer, wherein the electric unit is divided into a first electric unit and a second electric unit; the first electric units are uniformly distributed at the outer circle of the reinforcing piece; the filling layer is distributed at the gap of the first electric unit and the outer circle of the first electric unit, the second electric unit and the optical unit are distributed at the outer circle of the filling layer, and the optical unit is separated from the first electric unit and the second electric unit by the filling layer respectively.
In the scheme, the copper tape layer is formed by wrapping the copper tape and is used as a metal shielding layer to limit the influence of an external electromagnetic field on the inside, and meanwhile, the electric field is homogenized to prevent axial discharge. The outer sheath layer is PVC, has soft texture and excellent wear resistance and flexing resistance.
The utility model adopts the multi-optical unit structure design, can provide optical signals for multiple terminal devices, improves the wiring efficiency of a communication machine room, and reduces the overall construction cost. The multi-electric unit and the multi-optical unit are integrated into a whole, so that optical signals can be provided for a communication machine room and power can be supplied for equipment at the same time, and the total amount of exposed cables is reduced. The utility model has reasonable structure, can effectively ensure the normal use of the cable in the communication machine room, and improves the wiring efficiency and the safety performance of the communication machine room.
Further, the sections of the first electric unit (distributed on the outer side of the reinforcing piece) and the second electric unit (distributed on the edge of the filling layer) are of circular structures, and each section of the first electric unit and the second electric unit respectively comprises a plurality of groups of wires, each group of wires consists of a live wire and a zero wire, each group of wires can be used independently, and the first electric unit and the second electric unit are connected with a device and a power supply.
The live wire or the zero line consists of a copper conductor and a PVC sheath, and the structural design of the copper conductor meets the GB/T3956-2008 standard requirements. The PVC sheaths of the live wire and the zero wire are different in color, or the PVC sheaths of the live wire and the zero wire are provided with different numbers so as to be distinguished.
Further, the filling layer is a flame-retardant PE filling material, separates the optical unit from the electric unit, fills gaps between the optical unit and the electric unit, ensures the roundness of the twisted cable core, has good appearance design quality, can improve external quality and mechanical buffering, and enhances the impact resistance and extrusion performance of the cable.
Further, the outer sheath layer is internally embedded with a tearing rope. The tearing rope is a PP strapping rope, has good plasticity, strong breaking tension and good tensile impact property, and is nontoxic, tasteless and pollution-free; the tearing rope is arranged in the outer sheath layer, so that the construction and maintenance are convenient, the construction connection efficiency is improved, the cables can be stripped from the head to the tail for connection, installation and maintenance, and the mode of stacking, installing and maintaining various cables in a communication machine room is replaced.
Further, the optical unit belongs to a compact optical cable, the section of the optical unit is of a circular structure, the optical unit comprises an optical fiber, fiber paste and a PBT loose tube, and an aramid fiber layer and an extrusion molding PVC sheath layer are sequentially wrapped outside the PBT loose tube. The G.657A2 bending insensitive single-mode fiber is selected, and the PBT loose tube has high bending modulus and strong bending resistance; the toughness of the aramid fiber is about 2 times of that of the steel wire, and the tensile strength is high. Compared with other light units of the same type, the light unit provided by the utility model has mechanical protection performance, excellent bending resistance and tensile property, and is suitable for network wiring which is frequently bent.
Further, the cable core is also provided with a ground wire, the ground wire is inserted between the optical unit and the second electric unit, the ground wire is composed of 7 strands of bare copper wires, the phenomena of electric leakage and lightning stroke of equipment are mainly prevented, and meanwhile, the safety protection effect is achieved. The ground wire is added, low-impedance connection between equipment and the grounding body is provided, and the risk degree of personal electric shock injury is reduced; providing a low-impedance path for returning power supply to the ground fault current, so that a fuse in the circuit can act to avoid the phenomenon of short-circuit ignition or electric leakage; providing a low impedance ground bleed path to the lightning induced current.
Furthermore, the reinforcing piece is a glass fiber reinforced plastic rod, the specific strength of the material is high, the specific modulus is large, the mechanical strength requirement is met by a smaller section, and meanwhile, the dead weight of the cable can be greatly reduced.
Furthermore, the tearing rope and the light units are arranged oppositely, so that the position of the light units can be found conveniently and quickly, and the light units positioned on the outer layer of the cable core are arranged upwards. The telecommunication room cabinet is generally an optical telecommunication device in the upper half and a power supply device in the lower half. After the cable passes through the main wire slot, reasonable wiring can be performed rapidly according to the principle of upper layer exposure and lower layer power failure.
The utility model combines the optical unit and the electric unit into the cable with the new structure, replaces the mode of classifying and placing various service lines in the communication machine room according to the needs, can simultaneously provide power transmission and optical signal transmission, reduces the total amount of the cables in the communication machine room, improves the wiring efficiency of the communication machine room, can lead the cable in the wiring system of the communication machine room to be orderly laid, ensures convenient maintenance and has flexible operation.
The utility model is firm and reliable, easy to manufacture, high in communication capacity, multipurpose in one cable and capable of saving construction cost and purchasing cost. The utility model has simple structure, reasonable design and excellent overall performance, reduces the crossing and entanglement among various cables, reduces the maintenance times, is beneficial to management, solves the problem of cable accumulation in wiring arrangement, and improves the wiring efficiency and the safety performance of a communication machine room.
Drawings
Fig. 1 is a schematic view of the structure of a cable in embodiment 1;
fig. 2 is a schematic diagram of the structure of a light unit in embodiment 1;
fig. 3 is a schematic view of the structure of the cable in embodiment 2;
in the figure: a reinforcement 1, a copper conductor 2, a PVC sheath 3, a filling layer 4, a light unit 5, a copper belt layer 6,
The cable comprises an outer sheath layer 7, a tearing rope 8, an optical fiber 9, a fiber paste 10, a PBT loose tube 11, an aramid fiber layer 12, a PVC sheath layer 13 and a ground wire 14.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described with reference to the accompanying drawings and examples, which are only for explaining the present utility model and do not constitute a limitation on the scope of protection of the present utility model.
Example 1
Referring to fig. 1, the photoelectric composite shielding cable for the communication machine room has an overall structure of 12 electric and 4 optical units in a stranded mode, and the optical units and the electric units are compounded into a new structure cable, so that the cable replaces the mode that various service lines in the communication machine room are classified and placed according to needs, can simultaneously provide power transmission and optical signal transmission, reduces the total amount of cables in the communication machine room, and improves the wiring efficiency of the communication machine room.
Specifically, the photoelectric composite shielded cable for the communication machine room sequentially comprises from inside to outside:
the reinforcement 1 is a glass fiber reinforced plastic rod and is positioned in the center of the cable core.
12 electric units, which are divided into a first electric unit and a second electric unit; the first electric units comprise 4 electric units, namely 2 live wires and 2 zero wires, and are uniformly distributed on the outer side of the reinforcement 1; the second electric unit comprises 8 electric units, namely 4 live wires and 4 zero wires, and is distributed on the edge of the filling layer 4. The live wire and the zero wire are both composed of a copper conductor 2 and a PVC sheath 3, and the PVC sheath adopts colors which are easy to distinguish. A zero line and a live line form a group of wires, and each group of wires can be used independently to connect equipment and a power supply.
And the filling layer 4 is filled in the gaps of the first electric units and the outer circles of the first electric units by adopting flame-retardant PE filling materials.
The light units 5, together with the second electrical units, are distributed at the edges of the filler layer forming a cable core.
And the copper tape layer 6 is wrapped on the outer side of the cable core to limit the influence of an external electromagnetic field on the inside, and meanwhile, the electric field is homogenized to prevent axial discharge.
The outer sheath layer 7 is PVC, soft in texture and excellent in wear resistance and flexing resistance.
The tearing rope 8 is positioned in the outer sheath layer 7, the tearing rope adopts a PP bundling rope, and the tearing rope and the light units are oppositely arranged, so that the position of the light units can be conveniently and quickly found, and the light units positioned on the outer layer of the cable core are upwards arranged.
Referring to fig. 2, the optical unit is composed of an optical fiber 9, a fiber paste 10, a PBT loose tube 11, an aramid fiber layer 12 and a PVC sheath layer 13, wherein the optical fiber has 12 cores, and the aramid fiber is wrapped outside the PBT loose tube, so that the tensile property of the optical unit is ensured, and the color of the outer PVC sheath layer meets the requirements of GB/T6995.2 standard.
The utility model has reasonable design structure, combines the cable and the optical cable as a whole for use, ensures that the cable in the wiring system of the communication machine room is orderly laid, the cable type is easy to be identified, ensures convenient maintenance and flexible operation
Example 2
Referring to fig. 3, on the basis of embodiment 1, a ground wire 14 is inserted between the optical unit and the second electrical unit, and the ground wire is composed of 7 strands of bare copper wires, so that the phenomena of electric leakage and lightning strike of equipment are mainly prevented, and a safety protection effect is achieved.
Claims (5)
1. The photoelectric composite shielding cable for the communication machine room is characterized by comprising a cable core, a wrapping copper belt layer and an outer sheath layer, wherein the wrapping copper belt layer and the outer sheath layer are sequentially arranged outside the cable core; the cable core comprises an electric unit, an optical unit, a reinforcing piece and a filling layer, wherein the electric unit is divided into a first electric unit and a second electric unit;
the first electric units are uniformly distributed at the outer circle of the reinforcing piece; the filling layer is flame-retardant PE filling material and is distributed at the gaps of the first electric units and the outer circle of the first electric units, the second electric units and the optical units are distributed at the outer circle of the filling layer, and the optical units are separated from the first electric units and the second electric units by the filling layer respectively;
a tearing rope is embedded in the outer sheath layer, and the tearing rope and the light unit are oppositely arranged; the cable core is also provided with a ground wire, the ground wire consists of 7 strands of bare copper wires, and the ground wire is inserted between the optical unit and the second electric unit.
2. The photoelectric composite shielding cable for a communication room according to claim 1, wherein the optical unit comprises an optical fiber, a fiber paste and a PBT loose tube, and the PBT loose tube is sequentially wrapped with an aramid fiber layer and an extruded PVC sheath layer.
3. The photoelectric composite shielded cable for a communication room according to claim 1, wherein the first electric unit and the second electric unit respectively comprise a plurality of groups of wires, each group of wires is composed of a live wire and a neutral wire, and the live wire or the neutral wire is composed of a copper conductor and a PVC sheath.
4. A photoelectric composite shielded cable for a telecommunications room according to claim 3, wherein the PVC jackets of the live and neutral wires are different in color, or the PVC jackets of the live and neutral wires are different in number.
5. The electro-optical composite shielded cable for a telecommunications room of claim 1, wherein the stiffener is a fiberglass reinforced plastic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535661.9U CN220020720U (en) | 2023-03-20 | 2023-03-20 | Photoelectric composite shielding cable for communication machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535661.9U CN220020720U (en) | 2023-03-20 | 2023-03-20 | Photoelectric composite shielding cable for communication machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020720U true CN220020720U (en) | 2023-11-14 |
Family
ID=88693672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320535661.9U Active CN220020720U (en) | 2023-03-20 | 2023-03-20 | Photoelectric composite shielding cable for communication machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020720U (en) |
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2023
- 2023-03-20 CN CN202320535661.9U patent/CN220020720U/en active Active
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