CN219392341U - Flame-retardant rat-bite-preventing optical cable - Google Patents
Flame-retardant rat-bite-preventing optical cable Download PDFInfo
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- CN219392341U CN219392341U CN202320627004.7U CN202320627004U CN219392341U CN 219392341 U CN219392341 U CN 219392341U CN 202320627004 U CN202320627004 U CN 202320627004U CN 219392341 U CN219392341 U CN 219392341U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The application relates to the technical field of optical cable structures, especially, relate to a fire-retardant protection against rodents stings optical cable, it includes optical fiber set, loose tube, armor and protection skin, loose tube laminating cover is located the week side outer wall of optical fiber set, the armor encloses to close the cover and locates on the loose tube week side outer wall, the armor is made by metal material, the protection skin cover is located the week side outer wall of armor. The protection is enclosed to the optical fiber group through the armor to make the optical cable even if the surface is damaged, also can keep the safety of inside optical fiber group, thereby reach extension optical cable life's effect.
Description
Technical Field
The application relates to the technical field of optical cable structures, in particular to a flame-retardant rat-proof optical cable.
Background
An optical cable is a communication cable for transmitting signals, and consists of a reinforcing core, a cable core, a sheath and an outer sheath.
The optical cable installed outdoors is usually laid underground, but after the optical cable in some hilly areas is laid, the optical cable can still be bitten by mice, the surface layer of the optical cable is damaged, even the optical cable is damaged when serious, signal transmission is affected, great difficulty is brought to maintenance of the optical cable, in order to improve the biting prevention effect of the optical cable, a rat prevention reagent is generally added into the protective outer layer of the optical cable, when the outer layer of the optical cable is bitten by mice, the external layer of the optical cable can be released to stimulate the release of the pungent smell, and the effect of expelling the mice is achieved.
Aiming at the related technology, when the outer layer of the optical cable is damaged due to biting, although the pungent smell for repelling mice is released, the surface layer of the optical cable is damaged, and corrosion and aging of the damaged part can be caused in a humid environment, so that the release speed of the reagent is increased, and after the anti-mouse reagent is oxidized and lost, the anti-mouse biting effect of the optical cable is reduced to a certain extent, and the service life of the optical cable is not prolonged to a certain extent.
Disclosure of Invention
In order to improve the rat-proof effect of the outdoor optical cable and prolong the service life of the optical cable, the application provides a flame-retardant rat-proof optical cable.
The application provides a fire-retardant protection against rodents stings optical cable adopts following technical scheme:
the utility model provides a fire-retardant protection against rodents stings optical cable, includes optical fiber set, loose tube, armor and protection skin, loose tube laminating cover is located the week side outer wall of optical fiber set, the armor encloses to close the cover and locates on the loose tube's the week side outer wall, the armor is made by metal material, the protection skin cover is located the week side outer wall of armor.
Through adopting above-mentioned technical scheme, the armor is made by metal material for the protection skin is when receiving the rodent gnawing, even if the protection skin goes out local damage, also can provide another layer protection, reduces the probability that optic fibre received the damage, helps protecting the normal use of optic fibre, thereby can prolong the life of optic fibre.
Optionally, the armor layer includes a plurality of wires, and a plurality of the wires are spirally disposed around a peripheral side outer wall of the loose tube.
Through adopting above-mentioned technical scheme, the armor forms through many wire spiral winding, when the rat gnaws the in-process and takes place to contact with the wire for acting force on single wire can be followed the spiral direction transmission of wire to in the adjacent wire, make difficult clearance appear between the adjacent wire, make the protection stability of armor increase.
Optionally, the protective outer layer comprises an inner protective layer and an outer protective layer, the outer protective layer is arranged on the peripheral side outer wall of the inner protective layer in a surrounding mode, the outer protective layer is made of TPU material, and the inner protective layer is made of polyethylene material.
Through adopting above-mentioned technical scheme, outer inoxidizing coating passes through TPU material and makes for outer inoxidizing coating possesses better wear-resisting physical properties, thereby is difficult for taking place to damage when gnawing by the mouse, and interior inoxidizing coating is made by polyethylene material, has better waterproof performance, when making outer inoxidizing coating appear damaging, plays sealed waterproof effect.
Optionally, the thickness of the inner protective layer is greater than that of the outer protective layer, and the thickness ratio of the outer protective layer to the inner protective layer is 1:2.
Through adopting above-mentioned technical scheme, outer inoxidizing coating can reduce relative thickness owing to having better wear-resisting property, and then practice thrift processing consumptive material for the thickness of interior inoxidizing coating is thicker relatively, thereby makes the difficult damage that appears of interior inoxidizing coating of relative softer, in order to improve the protection stability to inside optic fibre.
Optionally, the inner wall of interior inoxidizing coating is fixed to be equipped with the elasticity sand grip, the elasticity sand grip is followed the axis direction extension setting of interior inoxidizing coating, the elasticity sand grip with the mutual butt extrusion of week side outer wall of armor.
Through adopting above-mentioned technical scheme, the setting of elasticity sand grip makes difficult for appearing the clearance between armor and the interior inoxidizing coating to reduce the probability that appears relative friction between armor and the interior inoxidizing coating inner wall, help reducing because the relative circumstances that causes wearing and tearing of rotation take place between armor and the interior inoxidizing coating.
Optionally, the elastic raised strips are provided with a plurality of, and a plurality of the elastic raised strips are followed the interior guard layer circumference inner wall evenly sets up.
Through adopting above-mentioned technical scheme, elasticity sand grip is provided with a plurality of times, and rubber is in setting up singly, can increase area of contact between armor and the interior inoxidizing coating to increase the extrusion force on effect and armor surface, further reduce the probability that takes place relative slip between armor and the interior inoxidizing coating.
Optionally, a filling gap is formed between the inner protective layer and the armor layer, and a flame-retardant filler is filled in the filling gap.
Through adopting above-mentioned technical scheme, when fire-retardant filler was filled to the filling clearance in for the filling clearance reduces, and fire-retardant filler has certain fire-retardant thermal-insulated effect, makes when the outside temperature of optic fibre is higher, can separate outside high temperature, in order to protect inside optic fibre, helps optic fibre to carry out normal signal transmission work.
Optionally, the optical fiber groups are provided with at least two groups, two optical fiber groups are arranged at intervals, and waterproof fillers are filled between adjacent optical fiber groups.
Through adopting above-mentioned technical scheme, when waterproof filler was filled to the armor in, on the one hand can reduce the space between the adjacent optical fiber group for optical fiber group is located the armor in and is difficult for taking place not hard up, on the other hand, waterproof filler has waterproof physical properties, makes optical fiber group be difficult for arousing the unstable condition of signal transmission because of the humidity.
Optionally, a metal reinforcement is further disposed between the optical fiber groups, the metal reinforcement extends along the length direction of the optical fiber groups, and the waterproof filler is filled at the periphery of the metal reinforcement.
Through adopting above-mentioned technical scheme, strengthen the metalwork and be made by metal material, and extend along the length direction of optic fibre group and set up for the inside overall structure intensity of optical cable and improve the tensile strength of optical cable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the armor layer is made of metal materials, so that when the protective outer layer is bitten by mice, even if the protective outer layer is partially damaged, the protective outer layer can provide another layer of protection, the damage probability of the optical fiber is reduced, the normal use of the protective optical fiber is facilitated, and the service life of the optical fiber can be prolonged;
2. the outer protective layer is made of TPU material, so that the outer protective layer has good wear-resistant physical properties, is not easy to damage when being gnawed by mice, and the inner protective layer is made of polyethylene material, has good waterproof performance, and has sealing and waterproof effects when the outer protective layer is damaged;
3. the arrangement of the elastic raised strips enables gaps to be difficult to appear between the armor layer and the inner protective layer, so that the probability of relative friction between the armor layer and the inner wall of the inner protective layer is reduced, and the situation that abrasion is caused due to relative rotation between the armor layer and the inner protective layer is reduced.
Drawings
Fig. 1 is a cross-sectional view of a flame retardant rat-bite resistant optical cable in the axial direction in the present application.
Reference numerals illustrate: 1. an optical fiber group; 11. an optical fiber; 2. a loose tube; 3. an armor layer; 31. a wire; 4. a protective outer layer; 41. an outer protective layer; 42. an inner protective layer; 421. an elastic protruding strip; 43. filling the gap; 5. a waterproof filler; 6. a metal reinforcement; 7. flame retardant filler.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
The embodiment of the application discloses a flame-retardant rat-proof optical cable. Referring to fig. 1, the flame-retardant rat-bite-preventing optical cable comprises an optical fiber set 1, a loose tube 2, an armor layer 3 and a protective outer layer 4, wherein the loose tube 2 is laminated and sleeved on the peripheral side outer wall of the optical fiber set 1, the armor layer 3 is made of a metal material, the armor layer 3 is laminated and sleeved on the peripheral side outer wall of the loose tube 2, the loose tube 2 is protected, the protective outer layer 4 is sleeved on the peripheral side outer wall of the armor layer 3, so that the protective outer layer 4 provides one-layer protection for the loose tube 2, and the armor layer 3 provides a second-layer protection for the optical fiber set 1, so that the protective outer layer 4 is difficult to damage the internal optical fiber 11 by penetrating through the armor layer 3 when being bitten by rats, and the optical fiber 11 can normally perform signal transmission operation and has a longer service life.
Referring to fig. 1, the protective outer layer 4 includes an outer protective layer 41 and an inner protective layer 42, the outer protective layer 41 is sleeved on the peripheral side outer wall of the inner protective layer 42, and the outer protective layer 41 is integrally connected and fixed with the inner protective layer 42, the outer protective layer 41 is made of TPU material, and has good wear-resistant physical properties, so that when the outer protective layer 41 is bitten by mice, breakage is not easy to occur, the inner protective layer 42 is made of polyethylene material, so that the inner protective layer 42 has good waterproof property and ductility, and can play a role in sealing and waterproof. The outer protective layer 41 and the inner protective layer 42 have a certain thickness, and in this embodiment, the thickness ratio between the outer protective layer 41 and the inner protective layer 42 is 1:2, the thickness of the inner protective layer 42 is relatively larger than that of the outer protective layer 41, so that the waterproof sealing effect is further improved, the use of TPU materials can be saved, and the economic cost is reduced.
Referring to fig. 1, the inner wall of the inner protection layer 42 is fixedly provided with an elastic raised line 421, the elastic raised line 421 extends along the axial direction of the inner protection layer 42, the section of the elastic raised line 421 in the axial direction is in an arc shape, and protrudes towards one side of the axial line of the inner protection layer 42, so that the outer side wall of the armor layer 3 and the inner wall of the elastic raised line 421 are mutually abutted and extruded, the friction force between the inner protection layer 42 and the armor layer 3 is increased, sliding friction is not easy to occur between the armor layer 3 and the inner wall of the inner protection layer 42, and loss caused by sliding friction is reduced. The number of the elastic ribs 421 may be one, two or more, in this embodiment, the number of the elastic ribs 421 is described as a plurality of elastic ribs 421, and the plurality of elastic ribs 421 are uniformly disposed along the circumferential inner wall of the inner protection layer 42.
Referring to fig. 1, the armor layer 3 is formed by spirally winding a plurality of wires 31, and when the plurality of wires 31 are spirally wound on the peripheral outer wall of the loose tube 2, the arrangement is in a spiral cylinder shape, so that when a rat bites on the wires 31, the pressure acting on the wires 31 can be transferred to the adjacent wires 31, and the adjacent wires 31 are not easy to separate and form gaps, so that the armor layer 3 has better protection stability on a metal sheath.
Referring to fig. 1, an optical fiber group 1 is configured by a plurality of optical fibers 11, the plurality of optical fibers 11 are gathered and parallel to each other, an inner wall of a loose tube 2 is bonded and abutted against a peripheral outer wall of the plurality of optical fibers 11, and a filler is provided inside the loose tube 2 to fill a gap between the loose tube 2 and the optical fibers 11. The number of the optical fiber groups 1 is at least two, in this embodiment, the number of the optical fiber groups 1 is described by taking five as an example, the number of the loose tubes 2 corresponds to the number of the optical fiber groups one by one, and the five optical fiber groups 1 are uniformly distributed around the axis of the inner protection layer 42.
Referring to fig. 1, a certain gap exists between the inner wall of the armor layer 3 and the outer wall of the loose tube 2, and a waterproof filler 5 is filled in the gap, in this embodiment, the waterproof filler 5 is an optical cable filling paste, and the optical cable filling paste has good waterproof performance, so that water flow is not easy to permeate into the loose tube 2 through the armor layer 3.
Referring to fig. 1, a metal reinforcement 6 is further disposed in the waterproof filler 5, the metal reinforcement 6 is a metal tube, and the metal reinforcement extends along the axial direction of the optical fiber group 1, so that the overall structural strength of the optical cable is increased, and meanwhile, the optical cable has better tensile properties.
Referring to fig. 1, the inner protective layers 42 are arranged at intervals between the armor layers 3 to form filling gaps 43, and the filling gaps 43 are filled with flame-retardant fillers 7, in this embodiment, the flame-retardant fillers 7 are aluminum hydroxide, which can be used for preliminary insulation of external temperature, and when the external temperature of the optical cable is high to cause fire, the aluminum hydroxide is heated and decomposed and has dehydration reaction, so that a certain flame-retardant effect is achieved.
The implementation principle of the flame-retardant rat-bite-resistant optical cable provided by the embodiment of the application is as follows: through the circumference of encircleing in loose tube 2 by many wires 31 spiral to form armor 3 that hardness is higher, thereby the mouse is gnawing when biting the optical cable, and outer inoxidizing coating 41 provides first layer protection, and armor 3 provides the second floor protection, so that the optical cable is difficult for taking place serious damage under the gnawing of mouse, thereby makes inside optic fibre 11 can keep normal signal transmission, in order to prolong the life of optical cable.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. The utility model provides a fire-retardant protection against rodents stings optical cable which characterized in that: including optical fiber set (1), loose tube (2), armor (3) and outer (4) of protection, loose tube (2) laminating cover is located the week side outer wall of optical fiber set (1), armor (3) enclose to close the cover and locate on the week side outer wall of loose tube (2), armor (3) are made by metal material, outer (4) the cover of protection is located the week side outer wall of armor (3).
2. A flame retardant, rat-proof optical cable according to claim 1, wherein: the armor layer (3) comprises a plurality of metal wires (31), and the metal wires (31) are spirally arranged around the peripheral side outer wall of the loose tube (2).
3. A flame retardant, rat-proof optical cable according to claim 1, wherein: the protective outer layer (4) comprises an inner protective layer (42) and an outer protective layer (41), the outer protective layer (41) is annularly arranged on the peripheral side outer wall of the inner protective layer (42), the outer protective layer (41) is made of TPU material, and the inner protective layer (42) is made of polyethylene material.
4. A flame retardant, rat-proof optical cable according to claim 3, wherein: the thickness of the inner protective layer (42) is larger than that of the outer protective layer (41), and the thickness ratio of the outer protective layer (41) to the inner protective layer (42) is 1:2.
5. A flame retardant, rat-proof optical cable according to claim 3 or 4, wherein: the inner wall of the inner protective layer (42) is fixedly provided with an elastic raised line (421), the elastic raised line (421) extends along the axial direction of the inner protective layer (42), and the elastic raised line (421) and the peripheral outer wall of the armor (3) are mutually abutted and extruded.
6. The flame retardant, rat-proof fiber optic cable of claim 5, wherein: the elastic raised strips (421) are provided in plurality, and the elastic raised strips (421) are uniformly arranged along the circumferential inner wall of the inner protective layer (42).
7. The flame retardant, rat-proof fiber optic cable of claim 6, wherein: a filling gap (43) is formed between the inner protective layer (42) and the armor layer (3), and a flame-retardant filler (7) is filled in the filling gap (43).
8. A flame retardant, rat-proof optical cable according to claim 1, wherein: the optical fiber groups (1) are provided with at least two groups, two optical fiber groups (1) are arranged at intervals, and waterproof fillers (5) are filled between the adjacent optical fiber groups (1).
9. The flame retardant, rat-proof fiber optic cable of claim 8, wherein: still be provided with metal reinforcement (6) between optical fiber group (1), metal reinforcement (6) are followed the length direction of optical fiber group (1) extends the setting, waterproof filler (5) fill in the week side of metal reinforcement (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627004.7U CN219392341U (en) | 2023-03-22 | 2023-03-22 | Flame-retardant rat-bite-preventing optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627004.7U CN219392341U (en) | 2023-03-22 | 2023-03-22 | Flame-retardant rat-bite-preventing optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219392341U true CN219392341U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320627004.7U Active CN219392341U (en) | 2023-03-22 | 2023-03-22 | Flame-retardant rat-bite-preventing optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219392341U (en) |
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2023
- 2023-03-22 CN CN202320627004.7U patent/CN219392341U/en active Active
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