CN220650958U - All-dielectric rat-proof aerial optical cable - Google Patents
All-dielectric rat-proof aerial optical cable Download PDFInfo
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- CN220650958U CN220650958U CN202322294396.2U CN202322294396U CN220650958U CN 220650958 U CN220650958 U CN 220650958U CN 202322294396 U CN202322294396 U CN 202322294396U CN 220650958 U CN220650958 U CN 220650958U
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- cable
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Abstract
The utility model relates to the technical field of aerial optical cables, and provides an all-medium rat-proof aerial optical cable which comprises a cable core, an armor layer and an outer sheath; the armor layer is wrapped on the outer side of the cable core, and the outer sheath is wrapped on the outer side of the armor layer; the armor is a nonmetallic part, and the armor is tubular. According to the all-medium rat-proof aerial optical cable, the cable core is protected through the tubular nonmetallic armor layer, so that gaps for rat gnawing do not exist on the surface of the armor layer, the rat-proof effect is improved, the assembly of the armor layer and the cable core is simpler and more convenient, the production efficiency of the all-medium rat-proof aerial optical cable is improved, the quality of the all-medium rat-proof aerial optical cable is lighter and is not influenced by lightning weather due to the non-metallic property, the overall weight and strength requirements of the all-medium rat-proof aerial optical cable are reduced, the safety and stability in use are improved, the applicability is better, and the problems that the armor layer is not easy to assemble and the rat-proof effect is poor in the prior art are effectively solved.
Description
Technical Field
The utility model relates to the technical field of aerial optical cables, in particular to an all-medium rat-proof aerial optical cable.
Background
With the continuous and rapid development of the Internet and the development of 5G networks, the optical cable industry is also rapidly developed, and the demand of the optical cable is in an increasing trend. The aerial optical cable laying mode can utilize the original aerial open line rod circuit, so that the construction cost is saved, and the construction period is shortened. The aerial optical cable is hung on the electric pole, is required to be suitable for various natural environments, is generally used for long-distance secondary or less lines, and is suitable for special network optical cable lines or certain local special sections. ADSS cables (all-dielectric self-supporting cables) of the prior art typically employ lay cables with a lay-in center strength member. In some areas where mice are severely affected, chemical and physical methods are commonly used in the industry to prevent the optical cable from being gnawed by mice in order to prevent the optical cable from being damaged by the mice and affecting mechanical and environmental properties and even causing optical fiber communication to be blocked.
Chemical methods are gradually eliminated due to the pungent odor and the smaller and smaller anti-rodents effect over time. The physical method can adopt two types of metal armor and nonmetal armor, and the metal armored optical cable has heavy weight and is not suitable for overhead laying and areas with frequent lightning; the nonmetallic armor is generally characterized in that a plurality of anti-gnawing rods are arranged on the outer side of the loose tube to serve as armor layers, the anti-gnawing rods are annularly distributed and stranded on the outer side of the loose tube, gaps exist between the adjacent anti-gnawing rods, the anti-rat effect is reduced, and the anti-gnawing rods slide easily when stranded and assembled, so that the assembly is difficult.
Disclosure of Invention
The utility model provides an all-medium rat-proof aerial optical cable, which is used for solving the problems that an armor layer is not easy to assemble and the anti-gnawing effect is poor in the prior art.
The utility model provides an all-medium rat-proof aerial optical cable, which comprises: the cable comprises a cable core, an armor layer and an outer sheath;
the armor layer is wrapped on the outer side of the cable core, and the outer sheath is wrapped on the outer side of the armor layer;
the armor is a nonmetallic part, and the armor is tubular.
According to the all-dielectric rat-proof aerial optical cable provided by the utility model, the armor layer is a glass fiber tube.
According to the all-dielectric rat-proof aerial optical cable provided by the utility model, the armor layer is connected with the outer sheath through elastic glue.
According to the all-medium rat-proof aerial optical cable provided by the utility model, the cable core comprises a loose tube and at least one optical fiber, and the optical fiber is arranged in the loose tube.
According to the all-dielectric rat-proof aerial optical cable provided by the utility model, the all-dielectric rat-proof aerial optical cable further comprises a first nonmetal reinforcing piece, and the first nonmetal reinforcing piece is embedded in the outer sheath.
According to the all-dielectric rat-proof aerial optical cable provided by the utility model, the first nonmetallic reinforcing part is a glass fiber rod.
According to the all-dielectric rat-proof aerial optical cable provided by the utility model, the first nonmetallic reinforcing part is aramid yarn or glass fiber yarn.
According to the all-dielectric rat-proof aerial optical cable provided by the utility model, the all-dielectric rat-proof aerial optical cable further comprises a second nonmetal reinforcing piece, and the second nonmetal reinforcing piece is arranged between the cable core and the armor layer.
According to the all-medium rat-proof aerial optical cable provided by the utility model, the all-medium rat-proof aerial optical cable further comprises a fire-resistant layer, and the fire-resistant layer is arranged on the outer side of the cable core.
According to the all-dielectric rat-proof aerial optical cable provided by the utility model, the outer sheath is a nylon product or a high-flame-retardant low-smoke halogen-free product.
According to the all-medium rat-proof aerial optical cable, the cable core is protected through the nonmetal armor layer with the tubular structure, so that gaps for rat gnawing do not exist on the surface of the armor layer, the rat-proof effect is improved, the assembly of the armor layer and the cable core is simpler and more convenient, the production efficiency of the all-medium rat-proof aerial optical cable is improved, the quality of the all-medium rat-proof aerial optical cable is lighter and is not influenced by thunder weather due to the non-metallic attribute, the overall weight and strength requirements of the all-medium rat-proof aerial optical cable are reduced, the safety and stability in use are improved, the applicability is better, and the problems that the armor layer is not easy to assemble and the rat-proof effect is poor in the prior art are effectively solved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an all-dielectric rat-proof aerial optical cable provided by an embodiment of the present utility model.
Reference numerals:
1. a cable core; 11. a loose tube; 12. an optical fiber; 13. a filler; 2. an armor layer; 3. an outer sheath; 4. a first non-metallic reinforcement.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. 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.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In the description of the embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.
The following describes the all-dielectric, rat-proof aerial optical cable of the present utility model in connection with FIG. 1.
As shown in fig. 1, the present utility model provides an all-dielectric ratproof aerial optical cable comprising: the cable comprises a cable core 1, an armor layer 2 and an outer sheath 3; the armor layer 2 is wrapped on the outer side of the cable core 1, and the outer sheath 3 is wrapped on the outer side of the armor layer 2; the armor layer 2 is a nonmetallic part, and the armor layer 2 is tubular.
Specifically, for the layer-stranded all-medium rat-proof aerial optical cable, the cable core comprises a central reinforcing member, a plurality of loose tubes and a plurality of optical fibers, wherein the central reinforcing member is positioned at the center of the all-medium rat-proof aerial optical cable, the plurality of loose tubes are stranded on the outer side of the central reinforcing member, and at least one optical fiber is arranged in each loose tube. For a central tube type all-medium rat-proof aerial optical cable, the cable core 1 comprises a loose tube 11 and at least one optical fiber 12, the loose tube 11 is positioned at the center of the all-medium rat-proof aerial optical cable, and the optical fiber 12 is positioned inside the loose tube 11.
The armor layer 2 wraps the cable core 1 so as to prevent rats from biting the cable core 1, and the armor layer 2 is a nonmetallic part, so that the mass of the armor layer 2 is lighter and is not influenced by lightning. The armor layer 2 is tubular, so that a gap for biting by rats does not exist on the surface of the armor layer 2; secondly, armor 2 is the tubulose and still makes to assemble between cable core 1 and the armor 2 easier, only needs pass the armor 2 in the customized technology mould, then with cable core 1 penetrating among the armor 2.
The outer sheath 3 wraps the outer side of the armor layer 2, thereby protecting the cable core 1 and the armor layer 2.
According to the all-medium rat-proof aerial optical cable disclosed by the utility model, the cable core 1 is protected through the nonmetal armor layer 2 with the tubular structure, so that gaps for gnawing by rats do not exist on the surface of the armor layer 2, the rat-proof effect is improved, the assembly of the armor layer 2 and the cable core 1 is simpler and more convenient, the production efficiency of the all-medium rat-proof aerial optical cable is improved, the quality of the all-medium rat-proof aerial optical cable is lighter and is not influenced by thunderbolt weather due to the non-metallic attribute, the overall weight and strength requirements of the all-medium rat-proof aerial optical cable are reduced, the safety and stability in use are improved, and the problems that the armor layer 2 is not easy to assemble and the rat-proof effect is poor in the prior art are effectively solved.
In some embodiments, armor layer 2 is a fiberglass tube.
Specifically, the glass fiber tube has a smooth surface and a certain hardness, is not easy to bite by the mice, and even if the glass fiber tube is bitten, the glass fiber tube is bitten into the oral cavity of the mice, so that the mice are daunting to the armor layer 2, and the mice are prevented from continuously biting the all-medium rat-proof aerial optical cable.
In some embodiments, the armor layer 2 and the outer jacket 3 are connected by elastic glue.
Specifically, the armor layer 2 and the outer sheath 3 are connected through elastic glue, so that the armor layer 2 and the outer sheath 3 are connected more tightly, relative sliding between the armor layer 2 and the outer sheath 3 in the production process of the all-medium rat-proof aerial optical cable is avoided, and the positioning problem between the armor layer and the outer sheath is solved; secondly, the elastic glue can fill the gap between the armor layer 2 and the outer sheath 3, thereby enhancing the waterproof effect.
As shown in fig. 1, in some embodiments, the cable core 1 includes a loose tube 11 and at least one optical fiber 12, the optical fiber 12 being disposed inside the loose tube 11.
Specifically, the loose tube 11 is located at the center of the all-medium rat-proof aerial optical cable, so that the all-medium rat-proof aerial optical cable provided by the embodiment is of a central tube structure, and compared with a layer-stranding structure, the diameter of the central tube structure is smaller, thereby being beneficial to reducing the weight of the all-medium rat-proof aerial optical cable and the requirements on structural strength. The loose tube 11 is also internally provided with a filler 13 to fill the gap between the optical fiber 12 and the loose tube 11, and the filler 13 can be ointment or full-dry water-blocking yarn so as to improve the water-blocking effect of the cable core 1.
As shown in fig. 1, in some embodiments, the all-dielectric, rat-proof aerial optical cable further comprises a first non-metallic strength member 4, the first non-metallic strength member 4 being embedded within the outer jacket 3.
Specifically, by arranging the first nonmetal reinforcing piece 4, the structural strength of the all-medium rat-proof aerial optical cable can be improved, and the nonmetal characteristics enable the weight of the all-medium rat-proof aerial optical cable to be smaller and the all-medium rat-proof aerial optical cable to be not influenced by lightning. The first nonmetal reinforcement 4 is embedded in the outer sheath 3, so that relative sliding is not easy to occur between the first nonmetal reinforcement 4 and the outer sheath 3, and the first nonmetal reinforcement 4 does not occupy the inner space of the outer sheath 3, thereby being beneficial to reducing the diameter of the all-medium rat-proof aerial optical cable. It should be noted that, in the case of a small span and/or a small tensile force applied to the all-dielectric ratproof aerial optical cable, the first non-metallic reinforcement 4 may be omitted to save costs. The gear distance refers to the distance between two adjacent erection and fixing points when the all-medium rat-proof aerial optical cable is erected.
In some embodiments, the first non-metallic stiffener 4 is a fiberglass rod.
In other embodiments, the first non-metallic reinforcement 4 is an aramid yarn or a fiberglass yarn, which makes the whole of the all-dielectric ratproof aerial optical cable softer and better in bending performance.
In some embodiments, the all-dielectric, rat-proof aerial optical cable further comprises a second non-metallic strength member disposed between the cable core 1 and the armor layer 2.
Specifically, the second nonmetal reinforcing piece can be glass fiber yarn or aramid fiber yarn, and the glass fiber yarn and the aramid fiber yarn have higher tensile property and corrosion resistance, and through setting up the second nonmetal reinforcing piece, the tensile property and the service life of the all-medium rat-proof aerial optical cable can be improved.
In some embodiments, the all-dielectric, rat-proof aerial fiber optic cable further includes a fire-blocking layer disposed outside of the cable core 1.
Specifically, by providing the fire-blocking layer, the fire-blocking performance is enhanced, and the position of the fire-blocking layer is not strictly limited, and only needs to be satisfied that the fire-blocking layer is located between the cable core 1 and the outer sheath 3, for example, the fire-blocking layer can be located between the cable core 1 and the armor layer 2. The fire-blocking layer may be a mica tape wrapped around the outside of the cable core 1.
In some embodiments, the outer sheath 3 is a nylon piece, taking advantage of the hardness and smooth surface properties of nylon, to prevent gnawing by rats.
In some embodiments, the outer sheath 3 may also be a high flame retardant low smoke halogen free feedstock for some cases where flame retardant requirements are present. For the case of low flame retardant requirements, the outer sheath 3 may be made of PE.
In some embodiments, the outer sheath 3 is red, and the red is vigilance of mice and birds, so that the mice and birds can generate a certain fear when seeing, and the outer sheath 3 is red, so that the outer sheath 3 can be prevented from being gnawed to a certain extent.
In some embodiments, the repellent is added into the preparation material of the outer sheath 3, and small animals such as mice are repelled by the repellent, so that the anti-gnawing performance of the all-medium anti-rat aerial optical cable is improved. The repellent may specifically be a pungent taste agent.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. An all-dielectric, rat-proof aerial fiber optic cable, comprising: the cable comprises a cable core, an armor layer and an outer sheath;
the armor layer is wrapped on the outer side of the cable core, and the outer sheath is wrapped on the outer side of the armor layer;
the armor is a nonmetallic part, and the armor is tubular.
2. The all-dielectric, rat-proof aerial optical cable of claim 1, wherein the armor layer is a fiberglass tube.
3. The all-dielectric, rat-proof drop cable of claim 1, wherein the armor layer is connected to the outer jacket by an elastic glue.
4. An all-dielectric, rat-proof drop cable according to claim 1, wherein the core includes a loose tube and at least one optical fiber disposed within the loose tube.
5. The all-dielectric, rat-proof aerial optical cable of claim 1, further comprising a first non-metallic strength member embedded within the outer jacket.
6. An all-dielectric, rat-proof drop cable according to claim 5, wherein the first non-metallic strength member is a fiberglass rod.
7. An all-dielectric, rat-proof drop cable according to claim 5, wherein the first non-metallic strength member is an aramid yarn or a fiberglass yarn.
8. The all-dielectric, rat-proof aerial optical cable of claim 1, further comprising a second non-metallic strength member disposed between the cable core and the armor.
9. The all-dielectric, rat-proof aerial optical cable of claim 1, further comprising a fire-blocking layer disposed outside of the cable core.
10. The all-dielectric ratproof aerial optical cable of claim 1, wherein the outer jacket is a nylon or a high flame retardant low smoke halogen free material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294396.2U CN220650958U (en) | 2023-08-24 | 2023-08-24 | All-dielectric rat-proof aerial optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294396.2U CN220650958U (en) | 2023-08-24 | 2023-08-24 | All-dielectric rat-proof aerial optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220650958U true CN220650958U (en) | 2024-03-22 |
Family
ID=90264558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322294396.2U Active CN220650958U (en) | 2023-08-24 | 2023-08-24 | All-dielectric rat-proof aerial optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220650958U (en) |
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2023
- 2023-08-24 CN CN202322294396.2U patent/CN220650958U/en active Active
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