CN213339829U - 432 core optical fiber composite overhead ground wire - Google Patents
432 core optical fiber composite overhead ground wire Download PDFInfo
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- CN213339829U CN213339829U CN202022572234.7U CN202022572234U CN213339829U CN 213339829 U CN213339829 U CN 213339829U CN 202022572234 U CN202022572234 U CN 202022572234U CN 213339829 U CN213339829 U CN 213339829U
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- ground wire
- overhead ground
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Abstract
The utility model discloses a 432 compound overhead earth wire of core optic fibre, including central reinforcement, transposition enclose by a plurality of optical units outside central reinforcement and establish the interior stranded conductor layer of formation and the transposition arrange in turn by multiple metal wire outside the interior stranded conductor layer and enclose the outer stranded conductor layer of establishing the formation, central reinforcement is the aluminium-clad steel wire, and interior stranded conductor layer encloses by 6 optical units and establishes the formation, and optical unit includes stainless steel pipe, locates the 72 core optic fibre in the stainless steel pipe. The utility model discloses a when satisfying big communication capacity, can guarantee the compound overhead earth wire of less diameter and weight again.
Description
Technical Field
The utility model belongs to the technical field of the compound overhead ground wire of optic fibre, especially, relate to a 432 compound overhead ground wire of core optic fibre.
Background
The optical fiber composite overhead ground wire (OPGW for short) is widely applied to power communication, the defects of old lines and small communication capacity of original communication equipment seriously affect the development of modern power communication, so that the old lines are urgently updated and reconstructed, and the existing reconstruction mode is communication capacity expansion, so that the old optical fiber composite overhead ground wire is replaced under the condition of not replacing an existing iron tower, and the large communication capacity is realized. The capacity of the old communication line is about 24-48 cores generally, and the updated capacity is more than 108 cores, but the outer diameter and the weight of the OPGW are not allowed to be increased due to the use of the original overhead line tower, so that higher requirements are put forward on the design of the OPGW. Therefore, there is a need for an optical fiber composite overhead ground wire that not only satisfies large communication capacity, but also guarantees a smaller diameter and weight.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and providing 432 compound overhead earth wire of core optic fibre to when realizing satisfying big communication capacity, can guarantee the compound overhead earth wire of optic fibre of less diameter and weight again. In order to achieve the above purpose, the utility model discloses technical scheme as follows:
432 core optical fiber composite overhead ground wire, including central reinforcement, transposition enclose by a plurality of light units outside central reinforcement establish the formation in the stranded conductor layer and the transposition is arranged in turn by multiple metal wire outside the stranded conductor layer and is enclosed the outer stranded conductor layer of establishing the formation, central reinforcement is the aluminium-clad steel wire, and interior stranded conductor layer is enclosed by 6 light units and establishes the formation, and light unit includes stainless steel pipe, locates the 72 core optical fibers in the stainless steel pipe.
In particular, the diameter of the central reinforcing member is 3.7 mm.
In particular, the diameter of the light unit is 3.6 mm.
Specifically, the metal wire includes at least two different types of wires.
Specifically, the outer stranded wire layer is formed by alternately arranging and enclosing 7 aluminum alloy wires and 7 aluminum-clad steel wires at intervals.
Specifically, the diameter of the metal wire is 3.0 mm.
Specifically, the total outer diameter of the 432-core optical fiber composite overhead ground wire is 16.9 mm.
Compared with the prior art, the utility model discloses 432 core optical fiber composite overhead ground wire's beneficial effect mainly embodies:
the optical units are arranged around the central reinforcing part, and the 72-core optical fiber is arranged in a single optical unit, so that the maximum optical fiber quantity of the optical fiber composite overhead ground wire is 432 cores, the communication capacity of the optical cable is improved, the requirement of high-capacity communication is met, the optical cable is suitable for traditional iron tower installation, and the total maintenance cost is reduced; compared with the traditional 288 core OPGW, the optical fiber composite overhead ground wire has the advantages that the outer diameter is smaller, the weight is light, the outer diameter of the 432 core optical fiber composite overhead ground wire is 16.9mm, and the weight is 670 kg/km; the outer stranded wire layer is formed by surrounding various metal wires outside the optical unit, so that the optical cable has better tensile resistance, the optical unit is effectively protected, and the cost is reduced while the communication performance of the optical cable is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
the figures in the drawings represent:
1 central reinforcement, 2 light units, 21 stainless steel tube, 22 optical fiber, 3 aluminum alloy wire, 31 aluminum clad steel wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments.
Example (b):
referring to fig. 1, the 432-core optical fiber composite overhead ground wire in the present embodiment includes a central reinforcing member 1, an inner stranded wire layer formed by surrounding a plurality of optical units 2 and stranded outside the central reinforcing member 1, and an outer stranded wire layer formed by surrounding a plurality of metal wires and alternately arranged and stranded outside the inner stranded wire layer.
The central reinforcement 1 is an aluminium clad steel wire and the diameter of the central reinforcement is 3.7 mm.
The inner stranded wire layer is formed by 6 optical units 2 in a surrounding mode, each optical unit 2 comprises a stainless steel tube 21 and a 72-core optical fiber 22 arranged in the stainless steel tube 21.
The diameter of the light unit 2 is 3.6 mm.
The outer stranded conductor layer is surrounded by 7 aluminium alloy wires 3 and 7 aluminium-clad steel wires 31 interval and arranges in turn and establishes and form. The metal wire comprises at least two different types of wire.
The diameter of the wire was 3.0 mm.
The total outer diameter of the 432-core optical fiber composite overhead ground wire is 16.9 mm.
When the embodiment is applied, the optical units 2 are arranged around the central reinforcement 1, and the 72-core optical fibers 22 are arranged in a single optical unit 2, so that the maximum number of the optical fibers 22 of the optical fiber composite overhead ground wire is 432, the communication capacity of the optical cable is improved, the requirement of high-capacity communication is met, the optical cable is suitable for traditional iron tower installation, and the total maintenance cost is reduced; compared with the traditional 288 core OPGW, the optical fiber composite overhead ground wire has the advantages that the outer diameter is smaller, the weight is light, the outer diameter of the 432 core optical fiber composite overhead ground wire is 16.9mm, and the weight is 670 kg/km; the outer stranded wire layer is formed by surrounding various metal wires outside the optical unit 2, so that the optical unit has better tensile resistance, the optical unit is effectively protected, and the cost is reduced while the communication performance of the optical cable is ensured.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (7)
1.432 compound overhead ground wire of core optic fibre, its characterized in that: including central reinforcement, transposition enclose by a plurality of optical units outside central reinforcement establish the interior stranded conductor layer of formation and the transposition arrange in turn by multiple metal wire outside interior stranded conductor and enclose the outer stranded conductor layer of establishing the formation, central reinforcement is the aluminium-clad steel wire, and interior stranded conductor layer encloses by 6 optical units and establishes the formation, and optical unit includes stainless steel pipe, locates the 72 core optic fibre in the stainless steel pipe.
2. The 432-core optical fiber composite overhead ground wire of claim 1, wherein: the diameter of the central stiffener is 3.7 mm.
3. The 432-core optical fiber composite overhead ground wire of claim 1, wherein: the diameter of the light unit is 3.6 mm.
4. The 432-core optical fiber composite overhead ground wire of claim 1, wherein: the metal wire includes at least two different types of wires.
5. The 432-core optical fiber composite overhead ground wire of claim 4, wherein: the outer stranded conductor layer is formed by 7 aluminum alloy wires and 7 aluminum-clad steel wires which are alternately arranged at intervals and surrounded.
6. The 432-core optical fiber composite overhead ground wire of claim 1, wherein: the diameter of the metal wire is 3.0 mm.
7. The 432-core optical fiber composite overhead ground wire of claim 1, wherein: the total outer diameter of the 432-core optical fiber composite overhead ground wire is 16.9 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572234.7U CN213339829U (en) | 2020-11-09 | 2020-11-09 | 432 core optical fiber composite overhead ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572234.7U CN213339829U (en) | 2020-11-09 | 2020-11-09 | 432 core optical fiber composite overhead ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213339829U true CN213339829U (en) | 2021-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022572234.7U Active CN213339829U (en) | 2020-11-09 | 2020-11-09 | 432 core optical fiber composite overhead ground wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213339829U (en) |
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2020
- 2020-11-09 CN CN202022572234.7U patent/CN213339829U/en active Active
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