CN220439312U - Ultra-light self-supporting overhead photoelectric composite optical cable - Google Patents
Ultra-light self-supporting overhead photoelectric composite optical cable Download PDFInfo
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- CN220439312U CN220439312U CN202321843106.9U CN202321843106U CN220439312U CN 220439312 U CN220439312 U CN 220439312U CN 202321843106 U CN202321843106 U CN 202321843106U CN 220439312 U CN220439312 U CN 220439312U
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- optical cable
- photoelectric composite
- optical fiber
- light self
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- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000000806 elastomer Substances 0.000 claims description 11
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 9
- 239000004568 cement Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of optical cables, in particular to an ultra-light self-supporting overhead photoelectric composite optical cable which comprises water blocking yarns and at least one optical fiber unit, wherein a water blocking belt is wrapped outside the optical fiber unit, an insulating sheath is extruded outside the water blocking belt, a stranded copper conductor wrapping the insulating layer is embedded in the insulating sheath, a raised locating strip is arranged at the position of the stranded copper conductor of the insulating sheath, and stripping grooves are formed in the locating strip. The utility model utilizes the wasted cement tower resources to the maximum extent, adopts a photoelectric composite mode, reduces the unit weight of the optical cable while guaranteeing the strength, reduces the investment cost of network construction and improves the construction efficiency.
Description
Technical Field
The utility model relates to the technical field of optical cables, in particular to an ultra-light self-supporting overhead photoelectric composite optical cable.
Background
At present, the self-supporting aerial optical cable is mainly used for overhead high-voltage transmission systems or communication lines in overhead laying environments such as lightning multiple zones, large spans and the like, and provides a quick and economic transmission channel for an electric power communication system. However, in rural areas in remote suburbs, there are still many cement towers which have been used for laying telephone lines in the past and are barren, so that in order to utilize tower resources to the maximum extent, equipment such as transceiver equipment in an optical transmission system needs to be powered up while being replaced by optical cables, and corresponding low-voltage wires are laid separately, thereby increasing the network construction cost. In addition, the cement tower has limited bearing capacity, and the optical cable has severe environmental influences such as ice load, wind load and the like in the use process, so that the load of the cement tower is further increased.
Disclosure of Invention
The utility model solves the problems in the related art, and provides the ultra-light self-supporting overhead photoelectric composite optical cable which is used for maximally utilizing the wasted cement tower resources, adopts a photoelectric composite mode, ensures the strength, reduces the unit weight of the optical cable, reduces the investment cost of network construction and improves the construction efficiency.
In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides an ultra-light self-supporting aerial photoelectric composite optical cable, includes yarn and at least one optical fiber unit block water, the outer parcel of optical fiber unit has the area that blocks water, the extrusion molding of the outband one deck insulating sheath that blocks water, the embedded transposition copper conductor of parcel insulating layer of insulating sheath, insulating sheath has bellied locating strip in transposition copper conductor's position department, be provided with on the locating strip and open the peeling groove.
Preferably, the optical fiber unit comprises a colored optical fiber and an easily peelable elastomer sleeve, and the easily peelable elastomer sleeve wraps a plurality of colored optical fibers inside the easily peelable elastomer sleeve.
As a preferable scheme, the material of the easy-stripping elastic sleeve is thermoplastic elastomer material, the diameter of the easy-stripping elastic sleeve is 0.9-1.3 mm, and the thickness of the easy-stripping elastic sleeve is 0.15-0.2 mm.
Preferably, when the optical fiber unit is one, the water blocking yarn is wound on the outer side of the optical fiber unit.
Preferably, when the number of the optical fiber units is not smaller than two, the water blocking yarn is filled in the gap of each optical fiber unit.
As a preferable scheme, the insulating sheath is made of ultra-low shrinkage high density polyethylene, and the thickness range is 1.0-1.3 mm.
As a preferable scheme, the stranded copper conductor is formed by stranding high-conductivity copper wires, and the diameter of the stranded copper conductor is 0.8-0.9 mm after an insulating layer is covered.
Compared with the prior art, the utility model has the beneficial effects that:
1. the optical fiber unit sleeve is made of an easily-stripped elastomer material, and can be torn by fingers, so that the construction efficiency is improved;
2. the dry type structure is adopted, so that the water blocking effect is excellent, and the influence on the environment is reduced without using ointment;
3. the stranded copper conductor is embedded in the sheath, can be used for supplying power and making a tensile element, can realize synchronous self-supporting overhead laying of the optical fiber unit and the electric wire unit, reduces investment cost of network construction, improves construction efficiency, is easy to peel by the design of the sheath, and can realize relay use in any place;
4. an ultra-low shrinkage high-density polyethylene insulating outer sheath is adopted, so that the ultra-low shrinkage, ultraviolet aging resistance, cracking resistance and weather resistance are high, and electromagnetic interference is avoided;
5. the diameter of the optical cable is smaller than 7mm, the weight of the optical cable is smaller than 25kg/km, the diameter of the optical cable is small, the weight of the optical cable is light, the influence of ice and strong wind on the optical cable is reduced, and meanwhile, the load of the electric power tower is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
In the figure:
1. the optical fiber comprises a colored optical fiber, 2 parts of an easily-stripped elastomer sleeve, 3 parts of water-blocking yarns, 4 parts of water-blocking tapes, 5 parts of stranded copper conductors, 6 parts of insulating layers, 7 parts of insulating jackets, 8 parts of positioning strips, 9 parts of stripping grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
As shown in fig. 1, the ultra-light self-supporting overhead photoelectric composite optical cable comprises a water blocking yarn 3 and at least one optical fiber unit, wherein a water blocking belt 4 is wrapped outside the optical fiber unit, an insulating sheath 7 is extruded outside the water blocking belt 4, a stranded copper conductor 5 wrapping the insulating layer 6 is embedded in the insulating sheath 7, a convex positioning strip 8 is arranged at the position of the stranded copper conductor 5 in the insulating sheath 7, a stripping groove 9 is formed in the positioning strip 8, the stripping groove 9 can be a V-shaped groove, stripping is easy, and construction efficiency is improved.
In one embodiment, the optical fiber unit includes a colored optical fiber 1 and an easy-to-peel elastomeric sleeve 2, the easy-to-peel elastomeric sleeve 2 having several colored optical fibers 1 wrapped therein.
In one embodiment, the diameter of the easy-to-peel elastomer sleeve 2 is 0.9-1.3 mm, the thickness is 0.15-0.2 mm, the diameter of the easy-to-peel elastomer sleeve 2 is 1.3mm, the wall thickness is 0.15mm, the material of the easy-to-peel elastomer sleeve 2 adopts thermoplastic elastomer material, the easy-to-peel elastomer sleeve has excellent physical and chemical properties, the flexible easy-to-peel colored optical fiber 1 can be coiled in a joint box with the minimum diameter of 10mm without bending, the colored optical fiber 1 does not have bending loss, thereby causing additional attenuation increase, and the stability of communication transmission is ensured.
In one embodiment, when the optical fiber unit is one, the water blocking yarn 3 is wound around the outside of the optical fiber unit.
In one embodiment, when the optical fiber units are not smaller than two, the water-blocking yarn 3 fills the gaps of the optical fiber units, and in addition, the water-blocking yarn 3 can be replaced by a water-blocking powder filler.
In one embodiment, the thickness of the insulating sheath 7 ranges from 1.0 mm to 1.3mm, the thickness of the insulating sheath 7 adopted in the embodiment is 1.2mm, the ultralow-shrinkage high-density polyethylene insulating material is adopted as the insulating sheath 7, the material is convenient to obtain, the ultralow shrinkage is realized, and the attenuation change of the optical cable is not easy to cause due to the temperature change; the anti-ultraviolet ageing, anti-cracking and strong weather resistance can be used in all weather in a severe environment for long-term outdoor overhead; the conductivity is low, the insulating performance is good, and the electromagnetic interference is avoided.
In one embodiment, the stranded copper conductor 5 is formed by stranding high-conductivity copper wires, the diameter of the rear part of the outer insulating layer 6 is 0.8-0.9 mm, in the embodiment, the diameter of the rear part of the outer insulating layer 6 is 0.872mm, the long-term allowable working temperature is 90 ℃, the stranded copper conductor has certain tensile strength, the minimum breaking force is 550N, and certain tensile performance is provided for the optical cable.
The above is a preferred embodiment of the present utility model, and a person skilled in the art can also make alterations and modifications to the above embodiment, therefore, the present utility model is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by the person skilled in the art on the basis of the present utility model are all within the scope of the present utility model.
Claims (7)
1. An ultra-light self-supporting overhead photoelectric composite optical cable is characterized in that: including yarn (3) and at least one optic fibre unit block water, optic fibre unit parcel has water blocking tape (4) outward, one deck insulating sheath (7) of extrusion molding outward of water blocking tape (4), insulating sheath (7) are embedded to wrap up stranded copper conductor (5) of insulating layer (6), insulating sheath (7) have bellied location strip (8) in the position department of stranded copper conductor (5), be provided with on location strip (8) and open and shell groove (9).
2. The ultra-light self-supporting overhead photoelectric composite optical cable according to claim 1, wherein: the optical fiber unit comprises colored optical fibers (1) and an easy-to-peel elastomer sleeve (2), wherein the easy-to-peel elastomer sleeve (2) wraps a plurality of colored optical fibers (1) inside.
3. The ultra-light self-supporting overhead photoelectric composite optical cable according to claim 2, wherein: the easily-stripped elastic sleeve (2) is made of thermoplastic elastomer, the diameter of the easily-stripped elastic sleeve (2) is 0.9-1.3 mm, and the thickness of the easily-stripped elastic sleeve is 0.15-0.2 mm.
4. The ultra-light self-supporting overhead photoelectric composite optical cable according to claim 1, wherein: when the optical fiber unit is one, the water-blocking yarn (3) is wound on the outer side of the optical fiber unit.
5. The ultra-light self-supporting overhead photoelectric composite optical cable according to claim 1, wherein: and when the number of the optical fiber units is not less than two, the water blocking yarns (3) are filled in the gaps of the optical fiber units.
6. The ultra-light self-supporting overhead photoelectric composite optical cable according to claim 1, wherein: the insulating sheath (7) is made of ultra-low shrinkage high density polyethylene, and the thickness range is 1.0-1.3 mm.
7. The ultra-light self-supporting overhead photoelectric composite optical cable according to claim 1, wherein: the stranded copper conductor (5) is formed by stranding high-conductivity copper wires, and the diameter of the stranded copper conductor is 0.8-0.9 mm after an insulating layer (6) is covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843106.9U CN220439312U (en) | 2023-07-13 | 2023-07-13 | Ultra-light self-supporting overhead photoelectric composite optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843106.9U CN220439312U (en) | 2023-07-13 | 2023-07-13 | Ultra-light self-supporting overhead photoelectric composite optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439312U true CN220439312U (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321843106.9U Active CN220439312U (en) | 2023-07-13 | 2023-07-13 | Ultra-light self-supporting overhead photoelectric composite optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439312U (en) |
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2023
- 2023-07-13 CN CN202321843106.9U patent/CN220439312U/en active Active
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