CN210894812U - Central tube type OPGW optical cable structure with embedded conductor - Google Patents
Central tube type OPGW optical cable structure with embedded conductor Download PDFInfo
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- CN210894812U CN210894812U CN201922345962.1U CN201922345962U CN210894812U CN 210894812 U CN210894812 U CN 210894812U CN 201922345962 U CN201922345962 U CN 201922345962U CN 210894812 U CN210894812 U CN 210894812U
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Abstract
The utility model discloses an embedded conductor OPGW optical cable structure of central tube, including inner sheath of tubular metal resonator, insulated conductor monofilament and soft butyronitrile polyvinyl chloride modification, the inboard of tubular metal resonator is provided with the filling oleamen, and the inboard of filling oleamen evenly is provided with optic fibre, the inside of stopping evenly is provided with the polyimide insulating layer, the outside of inner sheath of soft butyronitrile polyvinyl chloride modification is provided with the temperature sensing layer, and the outside on temperature sensing layer is provided with transparent nylon sheath, the inside of transparent nylon sheath evenly is provided with the capsule, the outer wall coating of transparent nylon sheath has the polypropylene film, the inner wall coating of transparent nylon sheath has the polyamide coating. The utility model discloses an outside at the interior sheath of soft butyronitrile polyvinyl chloride modification is provided with the temperature sensing layer, and when the high temperature, the color change can take place for the temperature sensing layer to audio-visual observation line cover temperature avoids taking place to damage.
Description
Technical Field
The utility model relates to a cable equipment technical field specifically is an embedded conductor OPGW optical cable structure of central tube formula.
Background
China is a country with serious ice coating disasters of overhead transmission lines, and the ice disaster accidents of the transmission lines are obviously increased and the damage is more serious after the transmission lines enter a new century. According to incomplete statistics, the fracture of a line cable and an optical cable exceeds 1000 kilometers due to ice coating of lines in China, the collapse of a tower exceeds 120 seats, and a large amount of manpower, material resources and financial resources are input during disaster area reconstruction.
In 2008, the power grid in the south suffers from serious damage of line icing, which causes large-area power and communication interruption. Line ice melting technology is researched by various units such as national power grids after disasters, southern power grids, electric power design houses and the like. The ice melting of the ground wire is difficult, particularly the optical fiber composite overhead ground wire cannot be melted by current due to the fact that the installation mode is tower-by-tower grounding, and the existing central tube type OPGW optical cable structure with the embedded conductor has many defects.
First, the embedded conductor OPGW optical cable structure of current central tube formula, outer parcel layer easily receive external environment factor to influence, cause the outer wall to corrode, make cable life short.
Second, the embedded conductor OPGW optical cable structure of current central tube formula is easily gnawed by the mouse, causes the damage of cable, influences normal work.
Thirdly, the OPGW optical cable structure of the existing central tube type embedded conductor does not have the function of temperature sensing reminding, and when the internal temperature is too high, the optical cable structure can not be detected and reminded, so that danger can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an embedded conductor OPGW optical cable structure of central tube to solve the current embedded conductor OPGW optical cable structure of central tube that proposes in the above-mentioned background art and do not have long service life, avoid the mouse to gnaw the functional problem that food and temperature were reminded.
In order to achieve the above object, the utility model provides a following technical scheme: a central tube type OPGW optical cable structure with an embedded conductor comprises a metal tube, an insulated conductor monofilament and a soft butyronitrile polyvinyl chloride modified inner protective layer, wherein the inner side of the metal tube is provided with filling ointment, optical fibers are uniformly arranged on the inner side of the filling factice, a reinforced insulating layer is arranged on the outer side of the insulated conductor monofilament, a protective tube is arranged on the outer side of the reinforced insulating layer, and the outside of the protection tube is provided with a filling material, the inside of the filling material is uniformly provided with a polyimide insulating layer, a belting layer is arranged on the outer side of the filling material, a temperature sensing layer is arranged on the outer side of the inner protective layer of the soft butyronitrile polyvinyl chloride modifier, and the outer side of the temperature sensing layer is provided with a transparent nylon sheath, the inner part of the transparent nylon sheath is uniformly provided with capsules, the outer wall of the transparent nylon sheath is coated with a polypropylene film, and the inner wall of the transparent nylon sheath is coated with a polyamide coating.
Preferably, the outer side of the metal tube is uniformly provided with insulated conductor monofilaments, and the insulated conductor monofilaments are symmetrical pairwise relative to the central point of the metal tube.
Preferably, through holes are formed in the middle of the polyimide insulating layer, metal monofilaments are mounted on the inner sides of the through holes, and the metal monofilaments are symmetrical to each other relative to the center point of the metal pipe.
Preferably, elastic alloy conductors are uniformly arranged inside the filling materials between the polyimide insulating layers, and the outer walls of the elastic alloy conductors are provided with thermosensitive insulating layers.
Preferably, the outer side of the belting layer is provided with a soft butyronitrile polyvinyl chloride modified inner protective layer, and reinforcing ribs are uniformly arranged inside the soft butyronitrile polyvinyl chloride modified inner protective layer.
Preferably, the outer side of the polypropylene film is coated with a trimerization ethylene anticorrosive coating, and the outer side of the trimerization ethylene anticorrosive coating is provided with a pressure-resistant armor layer.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through installing heat-sensitive insulating layer, elastic alloy conductor and temperature sensing layer, when the cable transships or ambient temperature risees and reaches certain temperature limit, heat-sensitive insulating material of heat-sensitive insulating layer melts, two elastic alloy conductor short circuits of temperature sensing element, give the controller with signal transmission, the controller is according to corresponding instruction action cut-off power, prevented that cable or equipment from being damaged, and when the high temperature, the color change can take place for the temperature sensing layer to audio-visual observation line cover temperature strengthens the warning effect.
(2) Simultaneously the device is through installing trimerization ethylene anticorrosive coating, polyamide coating, transparent nylon sheath, polypropylene film and resistance to compression armor, realizes the heat-resisting effect of the inside and outside anticorrosive of transparent nylon sheath through trimerization ethylene anticorrosive coating and polyamide coating, and through the coating have the polypropylene film, the polypropylene film has heat-resisting, corrosion-resistant effect, through being provided with the resistance to compression armor, has strengthened resistance to compression, the tensile strength of cable to extension cable life.
(3) And the device is through installing the capsule simultaneously, through setting up a plurality of capsules for the cable does not receive the mouse to sting the damage, and tensile strength obtains promoting, has prolonged the life of cable.
Drawings
Fig. 1 is a schematic cross-sectional structure view of the cable of the present invention;
FIG. 2 is a schematic view of a cable in a top-down structure;
FIG. 3 is a schematic structural view of the transparent nylon sheath of the present invention;
fig. 4 is a schematic structural view of the temperature sensing mechanism of the present invention;
in the figure: 1. a metal monofilament; 2. a transparent nylon sheath; 3. a capsule; 4. a belting layer; 5. a filler; 6. a soft butyronitrile polyvinyl chloride modified inner protective layer; 7. a temperature sensing layer; 8. protecting the tube; 9. a reinforcing insulating layer; 10. an insulated conductor monofilament; 11. filling ointment; 12. reinforcing ribs; 13. an optical fiber; 14. a polyimide insulating layer; 15. a through hole; 16. a metal tube; 17. a polypropylene film; 18. a polyethylene trimer anticorrosive layer; 19. a compression-resistant armor layer; 20. a polyamide coating; 21. an elastic alloy conductor; 22. a heat sensitive insulating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a central tube type OPGW optical cable structure with an embedded conductor comprises a metal tube 16, an insulated conductor monofilament 10 and a soft butyronitrile polyvinyl chloride modified inner protective layer 6, wherein the inner side of the metal tube 16 is provided with a filling ointment 11, and the inner side of the filling ointment 11 is uniformly provided with optical fibers 13;
the insulated conductor monofilaments 10 are uniformly arranged on the outer side of the metal tube 16, the insulated conductor monofilaments 10 are symmetrical in pairs relative to the central point of the metal tube 16, the metal tube 16 plays a role in strengthening and protecting, and the internal optical fibers 13 are protected from being damaged by external force and are not easy to extrude;
a reinforced insulating layer 9 is arranged on the outer side of the insulated conductor monofilament 10, a protective tube 8 is arranged on the outer side of the reinforced insulating layer 9, a filling material 5 is arranged on the outer side of the protective tube 8, and a polyimide insulating layer 14 is uniformly arranged inside the filling material 5;
through holes 15 are formed in the middle of the polyimide insulating layer 14, metal monofilaments 1 are mounted on the inner sides of the through holes 15, the metal monofilaments 1 are symmetrical in pairs relative to the central point of the metal pipe 16, the metal monofilaments 1 in the through holes 15 have an insulating effect through the polyimide insulating layer 14, and the working stability is guaranteed;
a belting layer 4 is arranged outside the filling material 5;
the soft butyronitrile polyvinyl chloride modified inner protection layer 6 is arranged on the outer side of the belting layer 4, reinforcing ribs 12 are uniformly arranged inside the soft butyronitrile polyvinyl chloride modified inner protection layer 6, and the reinforcing ribs 12 are arranged to reinforce the strength of the cable and enable the cable not to be broken and deformed easily;
a temperature sensing layer 7 is arranged on the outer side of the inner protection layer 6 of the soft butyronitrile polyvinyl chloride modified body, a transparent nylon sheath 2 is arranged on the outer side of the temperature sensing layer 7, capsules 3 are uniformly arranged inside the transparent nylon sheath 2, and a polypropylene film 17 is coated on the outer wall of the transparent nylon sheath 2;
the outer side of the polypropylene film 17 is coated with the trimerization ethylene anticorrosive layer 18, the outer side of the trimerization ethylene anticorrosive layer 18 is provided with the compression-resistant armor layer 19, the compression resistance and the tensile resistance of the cable are enhanced by the compression-resistant armor layer 19, and the trimerization ethylene anticorrosive layer 18 enables the transparent nylon sheath 2 to have the corrosion resistance effect, so that the service life of the cable is prolonged;
the inner wall of the transparent nylon sheath 2 is coated with a polyamide coating 20.
The working principle is as follows: when the temperature-sensing wire sleeve is used, when the cable is overloaded or the environmental temperature rises to reach a certain temperature limit, the heat-sensing insulating material of the heat-sensing insulating layer 22 melts, the two elastic alloy conductors 21 of the temperature-sensing element are in short circuit, a signal is transmitted to the controller, the controller acts to cut off the power supply according to a corresponding instruction, the cable or equipment is prevented from being damaged, and the color of the temperature-sensing layer 7 can be changed when the temperature is too high, so that the temperature of the wire sleeve can be visually observed, and the warning effect is enhanced;
by arranging the plurality of capsules 3, the cable is not damaged by mouse bite, the tensile strength is improved, and the service life of the cable is prolonged;
the plurality of reinforcing ribs 12 are arranged, so that the strength of the cable is enhanced, the cable is not easy to break and deform, the metal pipe 16 plays a role in enhancing and protecting, and the internal optical fiber 13 is protected from being damaged by external force and is not easy to extrude;
the transparent nylon sheath 2 is internally and externally anticorrosive and heat-resistant through the polyethylene trimer anticorrosive coating 18 and the polyamide coating 20, the polypropylene film 17 has heat-resistant and corrosion-resistant effects through coating, and the compression resistance and tensile strength of the cable are enhanced through the compression-resistant armor coating 19, so that the service life of the cable is prolonged.
Claims (6)
1. The utility model provides an embedded conductor OPGW optical cable structure of central tube formula, includes tubular metal resonator (16), insulated conductor monofilament (10) and soft butyronitrile polyvinyl chloride modification inner sheath (6), its characterized in that: the inner side of the metal tube (16) is provided with filling ointment (11), the inner side of the filling ointment (11) is uniformly provided with optical fibers (13), the outer side of the insulated conductor monofilament (10) is provided with a reinforced insulating layer (9), the outer side of the reinforced insulating layer (9) is provided with a protection tube (8), the outer side of the protection tube (8) is provided with filler (5), the inner part of the filler (5) is uniformly provided with a polyimide insulating layer (14), the outer side of the filler (5) is provided with a belting layer (4), the outer side of the inner protection layer (6) of the soft butyronitrile polyvinyl chloride modification body is provided with a temperature sensing layer (7), the outer side of the temperature sensing layer (7) is provided with a transparent nylon sheath (2), the inner part of the transparent nylon sheath (2) is uniformly provided with capsules (3), the outer wall of the transparent nylon sheath (2), the inner wall of the transparent nylon sheath (2) is coated with a polyamide coating (20).
2. The central tube type embedded conductor OPGW optical cable structure of claim 1, wherein: insulated conductor monofilaments (10) are uniformly arranged on the outer side of the metal tube (16), and the insulated conductor monofilaments (10) are pairwise symmetrical relative to the central point of the metal tube (16).
3. The central tube type embedded conductor OPGW optical cable structure of claim 1, wherein: the middle positions of the polyimide insulating layers (14) are provided with through holes (15), metal monofilaments (1) are mounted on the inner sides of the through holes (15), and the metal monofilaments (1) are pairwise symmetrical relative to the central point of the metal pipe (16).
4. The central tube type embedded conductor OPGW optical cable structure of claim 1, wherein: elastic alloy conductors (21) are uniformly arranged in the filling materials (5) between the polyimide insulating layers (14), and heat-sensitive insulating layers (22) are arranged on the outer walls of the elastic alloy conductors (21).
5. The central tube type embedded conductor OPGW optical cable structure of claim 1, wherein: the outer side of the belting layer (4) is provided with a soft butyronitrile polyvinyl chloride modified inner protective layer (6), and reinforcing ribs (12) are uniformly arranged inside the soft butyronitrile polyvinyl chloride modified inner protective layer (6).
6. The central tube type embedded conductor OPGW optical cable structure of claim 1, wherein: the outer side of the polypropylene film (17) is coated with a trimerization ethylene anticorrosive coating (18), and the outer side of the trimerization ethylene anticorrosive coating (18) is provided with a pressure-resistant armor coating (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345962.1U CN210894812U (en) | 2019-12-24 | 2019-12-24 | Central tube type OPGW optical cable structure with embedded conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345962.1U CN210894812U (en) | 2019-12-24 | 2019-12-24 | Central tube type OPGW optical cable structure with embedded conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210894812U true CN210894812U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922345962.1U Active CN210894812U (en) | 2019-12-24 | 2019-12-24 | Central tube type OPGW optical cable structure with embedded conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210894812U (en) |
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2019
- 2019-12-24 CN CN201922345962.1U patent/CN210894812U/en active Active
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