CN215600157U - Corrosion-resistant optical fiber composite overhead ground wire device - Google Patents
Corrosion-resistant optical fiber composite overhead ground wire device Download PDFInfo
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- CN215600157U CN215600157U CN202121853134.XU CN202121853134U CN215600157U CN 215600157 U CN215600157 U CN 215600157U CN 202121853134 U CN202121853134 U CN 202121853134U CN 215600157 U CN215600157 U CN 215600157U
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Abstract
The utility model discloses a corrosion-resistant optical fiber composite overhead ground wire device which comprises a central pipe and a connecting unit, wherein the central pipe is connected with the connecting unit; center tube: the optical fiber wires are uniformly distributed in the central tube, and the gaps between the optical fiber wires and the inner arc wall of the central tube are filled with optical fiber paste; a connection unit: including insulating layer, stay tube and articulamentum, the insulating layer sets up in the extrados of center tube, the extrados of insulating layer and the interior arc wall fixed connection of stay tube, the fixed cover of extrados of stay tube is equipped with the articulamentum, the helicla flute has been seted up to the extrados of articulamentum, the inside of helicla flute all is equipped with the wire, this corrosion-resistant optical fiber composite overhead ground wire device, the extrados of its wire forms fine and close alumina film through anodic oxidation, and then guaranteed the corrosion resistance of wire, and outer wear strip can avoid optical fiber composite overhead ground wire fish tail anticorrosive coating when the installation tractive with solid fixed ring, and then guarantee that the anticorrosive coating can not destroyed, and then there is good corrosion resistance.
Description
Technical Field
The utility model relates to the technical field of optical cables, in particular to a corrosion-resistant optical fiber composite overhead ground wire device.
Background
With the rapid development of the power industry, the modernized management level of the power system is improved, the information form and the information capacity which need to be transmitted in the power system are increasingly increased, in order to reduce the laying cost of a communication line, an optical fiber composite overhead ground wire is used, an optical fiber is placed in a ground wire of an overhead high-voltage transmission line to form an optical fiber communication network on a transmission line, the structural form has the double functions of ground wire and communication, and therefore the optical fiber composite overhead ground wire has the obvious characteristics of high reliability, excellent mechanical performance, low cost and the like, but the internal optical fiber has no heat insulation protection, when the optical fiber composite overhead ground wire needs heating and deicing, high temperature can affect the internal optical fiber, the physical performance of the optical fiber is affected, the traditional ground wire is exposed outside, and is easy to scratch during installation, the damage of an anti-corrosion layer is caused, and the corrosion resistance of the optical fiber composite overhead ground wire is further affected, therefore, the corrosion-resistant optical fiber composite overhead ground wire device is provided.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a corrosion-resistant optical fiber composite overhead ground wire device which can insulate and protect an optical fiber, protect a conductor and an anticorrosive layer and effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a corrosion-resistant optical fiber composite overhead ground wire device comprises a central pipe and a connecting unit;
center tube: the optical fiber wires are uniformly distributed in the central tube, and the gaps between the optical fiber wires and the inner arc wall of the central tube are filled with optical fiber paste;
a connection unit: the anti-corrosion cable comprises a heat insulation layer, a support tube and a connecting layer, wherein the heat insulation layer is arranged on the outer arc surface of a central tube, the outer arc surface of the heat insulation layer is fixedly connected with the inner arc wall of the support tube, the connecting layer is fixedly sleeved on the outer arc surface of the support tube, a spiral groove is formed in the outer arc surface of the connecting layer, wires are arranged in the spiral groove, the outer arc surfaces of the wires are provided with anti-corrosion layer wires, the surfaces of the anti-corrosion layer wires are formed into compact aluminum oxide films through anodic oxidation, so that the corrosion resistance of the wires is ensured, the outer wear-resistant strip and the fixing ring can prevent the optical fiber composite overhead ground wire from scratching the anti-corrosion layer during installation and traction, so that the anti-corrosion layer is prevented from being damaged, good corrosion resistance is achieved, too large influence on the conductivity of the wires is avoided, the lightning can be normally guided, the optical fibers in the heat insulation protection can be carried out on the optical fiber composite overhead ground wire, and the influence on the deicing fibers during heating of the optical fiber composite overhead ground wire is avoided, the good transmission performance of the optical fiber is ensured, and meanwhile, the tensile strength of the optical fiber composite overhead ground wire is enhanced through the supporting tube.
Furthermore, the heat-insulating layer is a glass wool heat-insulating layer, the supporting tube is a steel tube, and the connecting layer is a rubber connecting layer, so that the using effect is good.
Furthermore, the outer arc surface of the supporting tube is provided with bulges which are uniformly distributed, and the outer arc surfaces of the bulges are fixedly connected with the inner arc wall of the groove formed in the inner arc surface of the connecting layer, so that the contact area between the supporting tube and the connecting layer is increased.
Furthermore, the wire is an aluminum-clad steel wire, and the anticorrosive coating is an alumina film anticorrosive coating, so that the use effect is good, and the corrosion resistance is strong.
Further, still include wear-resisting strip and solid fixed ring, wear-resisting strip spiral winding is in two adjacent wire gaps department respectively, and the solid fixed ring of even setting all protects the conductor with the wear-resisting strip extrados fixed connection of even setting.
Furthermore, the wear-resistant strips are polytetrafluoroethylene wear-resistant strips, the fixing rings are stainless steel fixing rings, the wear-resistant strips are self-corrosion-resistant, and the using effect is high.
Furthermore, the inner arc wall of the fixing ring is provided with uniformly distributed conductive blocks, the inner arc wall of each conductive block is fixedly connected with the outer arc surface of each lead, so that the fixing ring and the conductive blocks can be in conductive connection, and the drainage area of the cable is increased.
Compared with the prior art, the utility model has the beneficial effects that: the corrosion-resistant optical fiber composite overhead ground wire device has the following advantages:
1. the outermost layer of the optical fiber composite overhead ground wire is formed by the wear-resistant strips and the fixing ring, so that in the process of erecting the traction of the optical fiber composite overhead ground wire, an external contact object cannot scratch the anticorrosive coating, the aluminum alloy layer on the outer layer of the wire forms the anticorrosive coating through anodic oxidation, a compact aluminum oxide film is further formed, the aluminum alloy layer cannot be damaged during installation, the corrosion resistance of the wire is greatly improved, meanwhile, the wear-resistant strips are polytetrafluoroethylene wear-resistant strips, have excellent physical properties, can resist strong acid, strong alkali, water and various organic solvents, resist aging and high lubrication, the service life is ensured, the friction coefficient of polytetrafluoroethylene is lower, the traction during installation is convenient, the surface tension of polytetrafluoroethylene is small, the possibility of adhesion of foreign matters on the surface of the optical fiber composite overhead ground wire is reduced, and part of the outer surface of the wire is exposed to the external air while the wear-resistant strips and the fixing ring protect the wire, and then do not influence the drainage to lightning current, guarantee to avoid high tension transmission line to receive the thunderbolt, solid fixed ring is the solid fixed ring of stainless steel simultaneously, the winding fastness of wear strip has not only been guaranteed, and can also carry out the electricity through conducting block and wire and connect, and then the electric conduction area of surface has been increased, the surface of wire forms fine and close aluminium oxide film through anodic oxidation, and then the corrosion resistance of wire has been guaranteed, and outer wear strip and solid fixed ring can avoid optic fibre composite overhead ground wire fish tail anticorrosive coating when the installation tractive, and then guarantee that the anticorrosive coating can not destroyed, and then there is good corrosion resistance, can not have too big influence to the electric conductivity of wire simultaneously, can be normal carry out the water conservancy diversion to the thunder and lightning.
2. Inside insulating layer has reduced the influence of external high temperature environment to the cellosilk, and the stay tube is protected the insulating layer, the stay tube is connected through articulamentum and wire simultaneously, the helicla flute and the arch have increased the area of contact of wire and stay tube and articulamentum respectively, and then the synchronism of stay tube and wire is good, can insulate against heat the protection to inside optic fibre, lead to the fact the influence to optic fibre when avoiding the compound overhead earth wire heating deicing of optic fibre, the good transmission performance of optic fibre has been guaranteed, the compound overhead earth wire tensile strength of optic fibre has been strengthened through the stay tube again simultaneously.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the optical fiber cable comprises a central tube 1, optical fiber wires 2, optical fiber paste 3, a connecting unit 4, a heat insulation layer 41, a supporting tube 42, a connecting layer 43, a conducting wire 5, an anticorrosive layer 6, a wear-resistant strip 7, a fixing ring 8, a conductive block 9, a bulge 10 and a spiral groove 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides a technical solution: a corrosion-resistant optical fiber composite overhead ground wire device comprises a central pipe 1 and a connecting unit 4;
center tube 1: the optical fiber wires 2 are uniformly distributed in the central tube 1, the optical fiber paste 3 is filled in the gaps of the inner arc walls of the optical fiber wires 2 and the central tube 1, the optical fiber wires 2 in the central tube are used for processing data, the optical fiber paste 3 plays a role of a liner for the optical fiber wires 2, the acting force of bending or vibration of the optical fiber wires 2 is buffered, the service life of the optical fiber wires 2 is ensured, the central tube 1 provides a mounting position for the optical fiber wires 2 in the central tube, and the optical fiber wires 2 are prevented from being damaged by the external acting force;
the connection unit 4: the heat insulation layer 41 is arranged on the outer arc surface of the central tube 1, the outer arc surface of the heat insulation layer 41 is fixedly connected with the inner arc wall of the support tube 42, the outer arc surface of the support tube 42 is fixedly sleeved with the connecting layer 43, the outer arc surface of the connecting layer 43 is provided with the spiral groove 11, the inner part of the spiral groove 11 is provided with the lead 5, the outer arc surface of the lead 5 is provided with the anticorrosive layer 6, the heat insulation layer 41 is a glass wool heat insulation layer, the support tube 42 is a steel tube, the connecting layer 43 is a rubber connecting layer, the outer arc surface of the support tube 42 is provided with the bulges 10 which are uniformly distributed, the outer arc surface of the bulges 10 is fixedly connected with the groove inner arc wall arranged on the inner arc surface of the connecting layer 43, the lead 5 is an aluminum-clad steel lead, the anticorrosive layer 6 is an alumina film anticorrosive layer, the inner heat insulation layer 41 reduces the influence of the external high-temperature environment on the optical fiber 2, and the support tube 42 protects the heat insulation layer 41, meanwhile, the supporting tube 42 is connected with the lead 5 through the connecting layer 43, the contact areas of the lead 5 and the supporting tube 42 with the connecting layer 43 are respectively increased by the spiral groove 11 and the bulge 10, so that the supporting tube 42 and the lead 5 are good in synchronism, and the tensile strength of the optical fiber composite overhead ground wire is enhanced;
wherein: the wear-resistant strip 7 and the fixing ring 8 are further included, the wear-resistant strip 7 is respectively spirally wound at the gap between two adjacent wires 5, the uniformly arranged fixing rings 8 are fixedly connected with the outer arc surfaces of the uniformly arranged wear-resistant strips 7, the wear-resistant strips 7 are polytetrafluoroethylene wear-resistant strips, the fixing rings 8 are stainless steel fixing rings, the inner arc walls of the fixing rings 8 are respectively provided with uniformly distributed conducting blocks 9, the inner arc walls of the conducting blocks 9 are respectively fixedly connected with the outer arc surfaces of the wires 5, the wear-resistant strips 7 and the fixing rings 8 form the outermost layer of the optical fiber composite overhead ground wire, further, in the process of erecting and drawing the optical fiber composite overhead ground wire, external contact objects cannot scratch the anticorrosive layer 6, an aluminum alloy layer on the outer layer of the wires 5 forms the anticorrosive layer 6 through anodic oxidation, further, a compact alumina film is formed, and cannot be damaged during installation, further, the corrosion resistance of the wires 5 is greatly improved, meanwhile, the wear-resistant strips 7 are polytetrafluoroethylene wear-resistant strips and have excellent physical properties, and can resist strong acid, strong alkali, water and various organic solvents, and are aging-resistant, high in lubrication, the service life is guaranteed, the friction coefficient of polytetrafluoroethylene is low, the traction during installation is convenient, the surface tension of polytetrafluoroethylene is small, the possibility of attachment of foreign matters on the surface of the optical fiber composite overhead ground wire is reduced, the wear-resistant strips 7 and the fixing rings 8 protect the wires 5, part of the outer surfaces of the wires are exposed in the air outside, further the lightning current is prevented from being drained, the high-voltage transmission line is protected from being struck by lightning, meanwhile, the fixing rings 8 are stainless steel fixing rings, the winding firmness of the wear-resistant strips 7 is guaranteed, the electric connection can be carried out through the conductive blocks 9 and the wires 5, and further the conductive area of the outer surfaces is increased.
The working principle of the corrosion-resistant optical fiber composite overhead ground wire device provided by the utility model is as follows: the internal optical fiber 2 is used for processing data, the optical fiber paste 3 plays a role of a liner for the optical fiber 2, the buffer optical fiber 2 is stressed by bending or vibrating action force, the service life of the optical fiber 2 is ensured, the central tube 1 provides an installation position for the internal optical fiber 2 and avoids the external action force from extruding the optical fiber 2, the wear-resistant strips 7 and the fixing ring 8 form the outermost layer of the optical fiber composite overhead ground wire, further, in the process of erecting and drawing the optical fiber composite overhead ground wire, external contact objects cannot scratch the anticorrosive layer 6, the aluminum alloy layer on the outer layer of the lead 5 forms the anticorrosive layer 6 through anodic oxidation, further, a compact aluminum oxide film is formed, and cannot be damaged during installation, further, the corrosion resistance of the lead 5 is greatly improved, meanwhile, the wear-resistant strips 7 have excellent physical properties for the polytetrafluoroethylene wear-resistant strips, and can resist strong acid, strong alkali, water and various organic solvents, the wear-resistant composite overhead ground wire is aging-resistant and highly lubricated, the service life is ensured, the friction coefficient of polytetrafluoroethylene is low, the traction during installation is convenient, the surface tension of polytetrafluoroethylene is low, the possibility of attachment of foreign matters on the surface of the optical fiber composite overhead ground wire is reduced, a part of the outer surface of the wire is exposed in the outside air while the wear-resistant strip 7 and the fixing ring 8 protect the wire 5, the conduction area of the outer surface is increased without influencing the lightning current conduction and protecting a high-voltage transmission line from lightning stroke, meanwhile, the fixing ring 8 is a stainless steel fixing ring, the winding firmness of the wear-resistant strip 7 is ensured, the wear-resistant strip can be electrically connected with the wire 5 through the conductive block 9, the influence of the external high-temperature environment on the optical fiber 2 is reduced by the internal heat insulation layer 41, the support tube 42 protects the heat insulation layer 41, and the support tube 42 is connected with the wire 5 through the connecting layer 43, the spiral groove 11 and the protrusion 10 respectively increase the contact area of the wire 5, the support tube 42 and the connecting layer 43, so that the support tube 42 and the wire 5 are good in synchronism, and the tensile strength of the optical fiber composite overhead ground wire is enhanced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a compound overhead ground wire device of corrosion-resistant optic fibre which characterized in that: comprises a central tube (1) and a connecting unit (4);
center tube (1): the optical fiber wires (2) are uniformly distributed in the central tube, and optical fiber paste (3) is filled in the gaps of the optical fiber wires (2) and the inner arc wall of the central tube (1);
connection unit (4): including insulating layer (41), stay tube (42) and articulamentum (43), insulating layer (41) set up in the extrados of center tube (1), the extrados of insulating layer (41) and the interior arc wall fixed connection of stay tube (42), the fixed cover of extrados of stay tube (42) is equipped with articulamentum (43), and helicla flute (11) have been seted up to the extrados of articulamentum (43), and the inside of helicla flute (11) all is equipped with wire (5), and the extrados of wire (5) all is equipped with anticorrosive coating (6).
2. The corrosion-resistant optical fiber composite overhead ground wire device of claim 1, wherein: the heat insulation layer (41) is a glass wool heat insulation layer, the supporting tube (42) is a steel tube, and the connecting layer (43) is a rubber connecting layer.
3. The corrosion-resistant optical fiber composite overhead ground wire device of claim 1, wherein: the outer arc surface of the supporting tube (42) is provided with evenly distributed bulges (10), and the outer arc surface of each bulge (10) is fixedly connected with the inner arc wall of the groove formed in the inner arc surface of the connecting layer (43).
4. The corrosion-resistant optical fiber composite overhead ground wire device of claim 1, wherein: the lead (5) is an aluminum-clad steel lead, and the anticorrosive coating (6) is an alumina film anticorrosive coating.
5. The corrosion-resistant optical fiber composite overhead ground wire device of claim 1, wherein: still include wear-resisting strip (7) and solid fixed ring (8), wear-resisting strip (7) spiral winding is in two adjacent wire (5) gap department respectively, solid fixed ring (8) of even setting all with wear-resisting strip (7) extrados fixed connection who evenly sets up.
6. The corrosion-resistant optical fiber composite overhead ground wire device of claim 5, wherein: the wear-resistant strips (7) are polytetrafluoroethylene wear-resistant strips, and the fixing rings (8) are stainless steel fixing rings.
7. The corrosion-resistant optical fiber composite overhead ground wire device of claim 5, wherein: the inner arc wall of the fixing ring (8) is provided with conductive blocks (9) which are uniformly distributed, and the inner arc wall of each conductive block (9) is fixedly connected with the outer arc surface of each lead (5).
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| CN202121853134.XU CN215600157U (en) | 2021-08-10 | 2021-08-10 | Corrosion-resistant optical fiber composite overhead ground wire device |
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| CN202121853134.XU CN215600157U (en) | 2021-08-10 | 2021-08-10 | Corrosion-resistant optical fiber composite overhead ground wire device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982863A (en) * | 2020-07-20 | 2020-11-24 | 山东师范大学 | Aluminum oxide spacing gold nano-layer optical fiber sensor and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982863A (en) * | 2020-07-20 | 2020-11-24 | 山东师范大学 | Aluminum oxide spacing gold nano-layer optical fiber sensor and preparation method and application thereof |
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