Rodent resistant central bundle tube optical cable

Abstract

The present application belongs to the technical field of optical cable, and discloses a kind of rodent-proof central bundle tube type optical cable, with sleeve, optical fiber, it is characterized in that further have rat-proof body, multiple reinforcing elements, three coating bodies, three reinforcing components;The rat-proof body is composed of rat-proof outer body, rat-proof inner body, rat-proof connecting body, and the rat-proof body is of integrated structure, the sleeve is located in the rat-proof inner body hole, the coating body is located in three rat-proof outer body holes respectively, and the reinforcing component is located in the rat-proof connecting body hole;The outer edge of all rat-proof connecting body holes is on the same cylindrical surface, and the inner edge of all rat-proof connecting body holes is on the same cylindrical surface.The present application has the following main beneficial technical effects: more convenient construction, laying, production, transportation, on-site assembly, lower cost, and more excellent rat-proof performance.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of optical cable, especially relates to a mouse-proof central bundle tube type optical cable. BACKGROUND

[0002] With the rapid development of optical fiber communication technology, the application of optical fiber cable is increasing, however, China has vast territory and complex terrain, and there are many mountainous and forest areas, therefore, the number of times of optical fiber attacked by rodents is increasing, which seriously affects optical fiber communication, for this reason, a large amount of research has been carried out in the industry, for example, the following published documents.

[0003] CN203260405U discloses a kind of optical-electric composite cable for security and protection, including oval 8-shaped outer sheath, a stainless steel tube is arranged in the outer sheath, optical fiber and water blocking fiber paste are arranged in the stainless steel tube, three-core power line is simultaneously arranged in the outer sheath, and the three-core power line is separated from the stainless steel tube 3.It realizes the composite of optical cable and power line, has excellent water resistance and communication transmission performance, achieves anti-side pressure, anti-tension, long service life, low price and other performances, can provide remote power supply and signal transmission for security and protection monitoring system simultaneously, can be erected through pipeline, overhead and direct-buried laying mode.

[0004] CN102290135A discloses a rated voltage 220kV three-core optical-electric composite submarine cable, characterized in that it comprises, from outside to inside, an outer sheath, an armor layer and an inner lining layer, the inner lining layer is provided with three electric units that are mutually externally tangent, the three electric units and the inner lining layer form three gaps, the gaps are filled with a plurality of filling units, the three electric units and all the filling units are twisted to form a main core part of the submarine cable, the main core part is wrapped with a rubberized tape, at least one of the filling units is an optical unit, and the remaining filling units are filling ropes; the three-core optical-electric composite submarine cable has the advantages of phase balance, no requirement for the armor material, no magnetic loss of the armor layer, improved effective use of power, and greatly reduced sea area compared with a single-core submarine cable of the same specification.

[0005] CN102122548A discloses a cable mixed with metal wires and optical fibers, which is suitable for transmitting electric energy and optical signals, especially cable fire signals, and can prevent cable fire through photoelectric control.The cable comprises two-core, three-core or multi-core metal cables and single-mode optical fibers 2, wherein the metal wires are copper, aluminum, gold and silver conductive materials in the prior art, the single-mode optical fibers are glass optical fibers or plastic optical fibers in the prior art, and the optical fibers are used for transmitting optical signals and cable fire signals.

[0006] CN107462960A discloses a central tube type rod bite prevention optical cable, comprising a central tube type cable core and an outer sheath, characterized in that a bite prevention and tensile splicing layer is coated outside the central tube type cable core, the bite prevention and tensile splicing layer is composed of an elliptical cross-section GFRP strip or a metal strip arranged and spliced in the circumferential direction of the cable core, and the bite prevention and tensile splicing layer is coated with the outer sheath.

[0007] CN107065088A discloses a rod bite prevention optical cable, a preparation method thereof and an outer sheath material of the rod bite prevention optical cable.

[0008] However, the prior art still has the following defects: the rod bite prevention layer is single, the circumferential direction is too dense, which causes too much weight, is not convenient for construction, laying, production, transportation, has high cost, is not convenient for on-site assembly, and the rod bite prevention effect needs to be improved. SUMMARY

[0009] To solve the above problems, the purpose of the present application is to disclose a central tube type optical cable capable of preventing rodents.

[0010] A central tube type optical cable capable of preventing rodents has a sleeve at the center and optical fibers in the sleeve, characterized in that it further has a rod bite prevention body, a plurality of reinforcing members, three coating bodies and three reinforcing components; the rod bite prevention body is composed of a rod bite prevention outer body, a rod bite prevention inner body and a rod bite prevention connecting body, the rod bite prevention body is a one-piece structure, the rod bite prevention inner body is located inside and the rod bite prevention outer body is located outside the rod bite prevention inner body, the rod bite prevention inner body does not contact the rod bite prevention outer body, the rod bite prevention inner body and the rod bite prevention outer body are connected through the three rod bite prevention connecting bodies, the rod bite prevention connecting bodies are symmetrically distributed outside the rod bite prevention inner body, the rod bite prevention outer body has a rod bite prevention outer body hole inside, the rod bite prevention inner body has a rod bite prevention inner body hole in the center inside, the rod bite prevention connecting body has a rod bite prevention connecting body hole inside, and the rod bite prevention outer body hole is located between adjacent rod bite prevention connecting bodies; the sleeve is located in the rod bite prevention inner body hole, each coating body entirely covers the plurality of reinforcing members, the three coating bodies are located in the three rod bite prevention outer body holes, and the reinforcing components are located in the rod bite prevention connecting body holes; the outer edges of all the rod bite prevention connecting body holes are on the same cylindrical surface, and the inner edges of all the rod bite prevention connecting body holes are on the same cylindrical surface.

[0011] The central tube type optical cable capable of preventing rodents has a sleeve, and the sleeve is a tight sleeve structure.

[0012] The rodent-proof central bundle tube type optical cable has the following characteristics: the outer edge of the rodent-proof outer body has a first groove, a second groove, and two third grooves; the first groove and the second groove are connected and located directly above one of the rodent-proof outer body holes; one of the third grooves is located directly above the other rodent-proof outer body hole; the other third groove is located directly above the third rodent-proof outer body hole; and the first groove is larger than the second groove.

[0013] The rodent-proof central bundle tube type optical cable has the following characteristics: the outer edge of the rodent-proof outer body has a first groove, a third groove, and a fourth groove; the first groove is located directly above one of the rodent-proof outer body holes; the third groove is located directly above the other rodent-proof outer body hole; the fourth groove is located directly above the third rodent-proof outer body hole; and the first groove, the third groove, and the fourth groove can be distinguished in pairs.

[0014] The rodent-proof central bundle tube type optical cable has the following characteristics: the sleeve has a loose sleeve structure, has a cavity inside, and the optical fiber is located in the cavity; the rodent-proof central bundle tube type optical cable also has a rodent-proof band, which is located outside the sleeve and in the rodent-proof inner body.

[0015] Further, the rodent-proof central bundle tube type optical cable has the following characteristics: the rodent-proof central bundle tube type optical cable also has a rodent-proof band, which is located outside the sleeve and in the rodent-proof inner body.

[0016] The present application has the following main technical advantages: it is more convenient for construction, laying, production, transportation, and on-site assembly, has lower cost, and has better rodent-proof performance. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the sectional anatomical structure of the embodiment 1 of the present application.

[0018] Figure 2 It is a schematic diagram of the sectional anatomical structure of the embodiment 1 of the present application. Figure 1 It is an enlarged front view.

[0019] Figure 3 It is a schematic diagram of the sectional anatomical structure of the embodiment 1 of the present application. Figure 1 It is a schematic diagram of the sectional anatomical structure of the embodiment 1 of the present application.

[0020] Figure 4 It is a schematic diagram of the sectional anatomical structure of the embodiment 1 of the present application. Figure 3 It is an enlarged front view.

[0021] Figure 5 It is a schematic diagram of the sectional anatomical structure of the embodiment 2 of the present application.

[0022] Figure 6 It is a schematic diagram of the sectional anatomical structure of the embodiment 2 of the present application. Figure 5 It is an enlarged front view.

[0023] Figure 7 A schematic view of the three-dimensional structure of a segment of anatomy according to an embodiment of the application.

[0024] Figure 8 A schematic view of the three-dimensional structure of a segment of anatomy according to an embodiment of the application. Figure 7 An enlarged front view.

[0025] Figure 9 A schematic view of the cross-sectional structure according to an embodiment of the application.

[0026] Figure 10 A schematic view of the cross-sectional structure according to an embodiment of the application.

[0027] In the figure: 1 - optical fiber, 2 - tube, 3 - reinforcing member, 4 - cladding, 5 - reinforcing member, 6 - rat guard, 601 - outer rat guard, 602 - inner rat guard, 603 - rat guard connector, 6010 - outer rat guard hole, 6020 - inner rat guard hole, 6030 - rat guard connector hole, 61 - first groove, 62 - second groove, 63 - third groove, 64 - fourth groove, 7 - rat tape. Embodiment

[0028] See Figures 1 to 4 A rat-proof central tube type optical cable having a tube 2 in the center, optical fibers 1 in the tube, characterized in that it further comprises a rat guard 6, a plurality of reinforcing members 3, three claddings 4, and three reinforcing members 5; the rat guard 6 is composed of an outer rat guard 601, an inner rat guard 602, and a rat guard connector 603, the rat guard 6 is a one-piece structure, the inner rat guard 602 is located inside, and the outer rat guard 601 is located outside the inner rat guard 602, the inner rat guard 602 does not contact the outer rat guard 601, the inner rat guard 602 and the outer rat guard 601 are connected by three rat guard connectors 603, the rat guard connectors 603 are symmetrically distributed outside the inner rat guard 602, the outer rat guard 601 has an outer rat guard hole 6010 inside, the inner rat guard 602 has an inner rat guard hole 6020 in the center inside, the rat guard connector 603 has a rat guard connector hole 6030 inside, and the outer rat guard hole 6010 is located between adjacent rat guard connectors 603; the tube 2 is located inside the inner rat guard hole 6020, each cladding 4 entirely covers the plurality of reinforcing members 3, the three claddings 4 are respectively located inside the three outer rat guard holes 6010, and the reinforcing members 5 are located inside the rat guard connector holes 6030; the outer edges of all the rat guard connector holes 6030 are on the same cylindrical surface, and the inner edges of all the rat guard connector holes 6030 are on the same cylindrical surface.

[0029] The rat-proof central tube type optical cable described above, characterized in that the tube 2 is a tight-fitting structure.

[0030] See Figure 5 and Figure 6 and refer to Figures 1 to 4A rodent-proof central bundle tube type optical cable as claimed in any one of the preceding embodiments, wherein the rodent-proof outer body 601 has a first groove 61, a second groove 62, and two third grooves 63 on the outer edge of the rodent-proof outer body 601, the first groove 61 and the second groove 62 are connected and located directly above one of the rodent-proof outer body holes 6010, one of the third grooves 63 is located directly above another of the rodent-proof outer body holes 6010, the other of the third grooves 63 is located directly above the third of the rodent-proof outer body holes 6010, and the first groove 61 is larger than the second groove 62.

[0031] See Figure 7 and Figure 8 and refer to Figures 1 to 6 A rodent-proof central bundle tube type optical cable as claimed in any one of the preceding embodiments, wherein the rodent-proof outer body 601 has a first groove 61, a third groove 63, and a fourth groove 64 on the outer edge of the rodent-proof outer body 601, the first groove 61 is located directly above one of the rodent-proof outer body holes 6010, the third groove 63 is located directly above another of the rodent-proof outer body holes 6010, the fourth groove 64 is located directly above the third of the rodent-proof outer body holes 6010, and the first groove 61, the third groove 63, and the fourth groove 64 can be distinguished from each other in pairs.

[0032] See Figure 9 and refer to Figures 1 to 8 A rodent-proof central bundle tube type optical cable as claimed in any one of the preceding embodiments, wherein the sleeve 2 is a loose sleeve structure, the sleeve 2 has a cavity, and the optical fiber 1 is located in the cavity; the rodent-proof central bundle tube type optical cable further has a rodent-proof band 7, the rodent-proof band 7 is located outside the sleeve 2, and the rodent-proof band 7 is located in the rodent-proof inner body 602.

[0033] See Figure 10 and refer to Figures 1 to 9 A rodent-proof central bundle tube type optical cable as claimed in any one of the preceding embodiments, wherein the rodent-proof central bundle tube type optical cable further has a rodent-proof band 7, the rodent-proof band 7 is located outside the sleeve 2, and the rodent-proof band 7 is located in the rodent-proof inner body 602.

[0034] The rodent-proof central bundle tube type optical cable as claimed in any one of the preceding embodiments, wherein the model specification of the optical fiber 1 is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e.

[0035] The rodent-proof central bundle tube type optical cable as claimed in any one of the preceding embodiments, wherein the material of the sleeve 2 is plastic or metal.

[0036] The rodent-proof central bundle tube type optical cable as claimed in any one of the preceding embodiments, wherein the material of the reinforcing member 3 is steel or iron or glass fiber reinforced plastic.

[0037] The rodent-proof central tube type optical cable according to any one of the above embodiments, wherein the material of the cladding body 4 is plastic.

[0038] The rodent-proof central tube type optical cable according to any one of the above embodiments, wherein the material of the reinforcing member 5 is steel or iron or glass fiber reinforced plastic.

[0039] The rodent-proof central tube type optical cable according to any one of the above embodiments, wherein the material of the rodent-proof body 6 is plastic or metal or composite material.

[0040] The rodent-proof central tube type optical cable according to any one of the above embodiments, wherein the material of the rodent-proof band 7 is plastic or metal or composite material.

[0041] Compared with the prior art, the cladding body 4 with the reinforcing member 3 inside is relatively light in weight, easy to transport, and can be assembled on site, facilitating construction, laying, production, transportation and reducing cost; the reinforcing member 5 not only increases the strength but also improves the overall rodent-proof performance of the rodent-proof body; the existence of the groove improves the identification and facilitates the identification and cutting of the sleeve; and the rodent-proof band further improves the rodent-proof performance.

[0042] Therefore, the present application has the following main beneficial technical effects: more convenient construction, laying, production, transportation, on-site assembly, lower cost and better rodent-proof performance.

[0043] The above embodiments are only preferred technical solutions of the present application and should not be regarded as limitations of the present application. The protection scope of the present application should be based on the technical solutions recited in the claims, including equivalent replacement solutions of the technical features recited in the claims. That is, equivalent replacement improvements within this range are also within the protection scope of the present application.

Claims

1. A rodent resistant central bundle tube optical cable having a central tube (2) and optical fibers (1) located within the tube, characterized in that: It also has a rat-proof body (6), a plurality of reinforcing members (3), three covering bodies (4), and three reinforcing components (5); the rat-proof body (6) is composed of a rat-proof outer body (601), a rat-proof inner body (602), and a rat-proof connecting body (603), the rat-proof body (6) is of an integrated structure, the rat-proof inner body (602) is located inside, and the rat-proof outer body (601) is located outside the rat-proof inner body (602), the rat-proof inner body (602) is not in contact with the rat-proof outer body (601), the rat-proof inner body (602) and the rat-proof outer body (601) are connected through the three rat-proof connecting bodies (603), the rat-proof connecting bodies (603) are symmetrically distributed outside the rat-proof inner body (602), the rat-proof outer body (601) has a rat-proof outer body hole (6010) inside, the rat-proof inner body (602) has a rat-proof inner body hole (6020) in the center inside, the rat-proof connecting body (603) has a rat-proof connecting body hole (6030) inside, and the rat-proof outer body hole (6010) is located between adjacent rat-proof connecting bodies (603); the sleeve (2) is located in the rat-proof inner body hole (6020), each covering body (4) entirely covers six reinforcing members (3), the three covering bodies (4) are respectively located in the three rat-proof outer body holes (6010), and the reinforcing components (5) are located in the rat-proof connecting body holes (6030); the outer edges of all the rat-proof connecting body holes (6030) are on the same cylindrical surface, and the inner edges of all the rat-proof connecting body holes (6030) are on the same cylindrical surface; the cross sections of the reinforcing members (3) and the reinforcing components (5) are circular.

2. A rodent resistant central bundle tube optical cable according to claim 1, characterized in that: The sleeve (2) is a tight sleeve structure.

3. A rodent resistant central bundle tube optical cable as defined in claim 2, wherein: The rat-proof outer body (601) has a first groove (61), a second groove (62), and two third grooves (63) on the outer edge, the first groove (61) is connected with the second groove (62) and located directly above one of the rat-proof outer body holes (6010), one of the third grooves (63) is located directly above the other rat-proof outer body hole (6010), the other third groove (63) is located directly above the third rat-proof outer body hole (6010), and the first groove (61) is larger than the second groove (62).

4. A rodent resistant central bundle tube optical cable as defined in claim 2, wherein: The rat-proof outer body (601) has a first groove (61), a third groove (63), and a fourth groove (64) on the outer edge, the first groove (61) is located directly above one of the rat-proof outer body holes (6010), the third groove (63) is located directly above the other rat-proof outer body hole (6010), the fourth groove (64) is located directly above the third rat-proof outer body hole (6010), and the first groove (61), the third groove (63), and the fourth groove (64) can be distinguished in pairs.

5. A rodent resistant central bundle tube optical cable as defined in claim 1, wherein: The sleeve (2) is a loose sleeve structure, has a cavity inside, and the optical fiber (1) is located in the cavity; the rat-proof central tube type optical cable also has a rat-proof band (7) located outside the sleeve (2) and in the rat-proof inner body (602).

6. A rodent-resistant central bundle tube fiber optic cable of any one of claims 1-5, wherein: The model specification of the optical fiber (1) is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e.

7. A rodent resistant central bundle tube optical cable as defined in claim 6, wherein: The material of the sleeve (2) is plastic or metal.

8. A rodent resistant central bundle tube optical cable as defined in claim 7, wherein: The material of the reinforcement (3) is steel or iron or glass fiber reinforced plastic.

9. A rodent resistant central bundle tube optical cable as defined in claim 8, wherein: The material of the covering body (4) is plastic; the material of the reinforcing member (5) is steel or iron or glass fiber reinforced plastic; the material of the rat guard (6) is plastic or metal or composite material; the material of the rat band (7) is plastic or metal or composite material.

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