There is the reinforced light-duty optical fiber cable of anti-rat
Technical field
The utility model relates to a kind of optical fiber cable, particularly relates to a kind of reinforced light-duty optical fiber cable with anti-rat.
Background technology
The circuit medium that optical cable is built as optical-fiber network, it is the requisite ring of Optical Access Network (OAN) networking, it achieve linking between optical line terminal (OLT) with optical network unit (ONU), about the conversion of signaling protocol completing from SNI (SNI) to User Network Interface (UNI).As the last one kilometer of FTTx, Access Network is directly connected with terminal device by OLT, its wiring congestion and infobit capacity requirement is less, and structure is simple, stable performance and the feature of easy construction therefore to require the optical cable being applied to the access network segment to have.
The metal armouring patterns such as existing stainless steel band and zinc-coated wire are the most effective protection against rodents mode beyond doubt, but its cost is higher, considers, can use on a small quantity, but can not promote on a large scale at the special circuit of part based on cable secure.Therefore, consider the demand for security of communication line thunder-lightning, wish the reinforced light-duty optical fiber cable with anti-rat developing a kind of green, energy-conserving and environment-protective, he not only has obvious cost advantage compared with the structure such as stainless steel band, zinc-plated armouring in cost, simultaneously can optimized construction method, and the demand of thunder-lightning can be solved, make it can to make somebody a mere figurehead in Access Network, apply under the scene such as pipeline, conduit, become the direction that those skilled in the art make great efforts.
Summary of the invention
The utility model provides a kind of reinforced light-duty optical fiber cable with anti-rat; this has reinforced light-duty optical fiber cable its formation one deck waterproof, anti-soda acid, the close separation layer of anti-oxidant, anti-ultraviolet matter of anti-rat; make rodent when biting glass fibre protective seam; do not continuing to bite optical cable by glass fibre injures oral cavity by a crashing object; thus reach biological protection against rodents effect; protection optical fiber is not snapped bad; and global sections is not containing any metal ingredient; to thunder and lightning, there is natural screening, there is high safety in utilization.
For achieving the above object, the technical solution adopted in the utility model is: a kind of reinforced light-duty optical fiber cable with anti-rat, comprise the Loose tube being positioned at center and the some glass optical fibers being positioned at Loose tube, the fine cream that blocks water is filled with between described Loose tube and glass optical fiber, two nonmetal stiffeners are arranged at a described Loose tube left side abreast, right side and be positioned at same plane, one platypelloid type oversheath is coated on described Loose tube, two nonmetal stiffener outside surfaces, by described platypelloid type oversheath isolation between described Loose tube and nonmetal stiffener, the described platypelloid type oversheath region be positioned at above and below described Loose tube has 2 oblique V-arrangement tearing grooves respectively, 4 described oblique V-arrangement tearing grooves are symmetrical arranged, the region between Loose tube and nonmetal stiffener is pointed in the direction of this oblique V-arrangement tearing groove, in described platypelloid type oversheath and the upper and lower being positioned at Loose tube all has thermoset glass fibre cotton yarn tape, be platypelloid type oversheath between this thermoset glass fibre cotton yarn tape and Loose tube, described thermoset glass fibre cotton yarn tape is made up of glass fiber yarn and the macromolecule binding resin layer being coated on glass fiber yarn surface, or, described thermoset glass fibre cotton yarn tape is made up of some Fiber glass rods arranged in parallel, and this Fiber glass rod forms by some glass fibers being coated with hot melt adhesive are stranded.
In technique scheme, further improvement opportunity scheme is as follows:
1., in such scheme, the surperficial angle of described oblique V-arrangement tearing groove and platypelloid type oversheath is 30 ° ~ 60 °.
2. in such scheme, the distance between described thermoset glass fibre cotton yarn tape and Loose tube is no less than 0.1mm, and the distance between described nonmetal stiffener and Loose tube is no less than 0.1mm.
3. in such scheme, the described oblique end of V-arrangement tearing groove and the distance of Loose tube are at least 0.5mm, and it freely places lower opening size at 0.05 ~ 2mm at optical fiber cable, and the degree of depth of described oblique V-arrangement tearing groove is 0.5 ~ 2mm.
4., in such scheme, described nonmetal stiffener is glass fibre.
5. in such scheme, the area of section of described Loose tube is less than or equal to the area of section of nonmetal stiffener, and the width of described thermoset glass fibre band is not less than Loose tube diameter.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model has the reinforced light-duty optical fiber cable of anti-rat, be positioned at the upper of Loose tube in its platypelloid type oversheath, below all has thermoset glass fibre cotton yarn tape, be platypelloid type oversheath between this thermoset glass fibre cotton yarn tape and Loose tube, form one deck waterproof, anti-soda acid, anti-oxidant, the close separation layer of anti-ultraviolet matter, make rodent when biting glass fibre protective seam, do not continuing to bite optical cable by glass fibre injures oral cavity by a crashing object, thus reach biological protection against rodents effect, protection optical fiber is not snapped bad, and global sections is not containing any metal ingredient, to thunder and lightning, there is natural screening, there is high safety in utilization, secondly, its platypelloid type oversheath region be positioned at above and below described Loose tube has 2 oblique V-arrangement tearing grooves respectively, 4 described oblique V-arrangement tearing grooves are symmetrical arranged, the region between Loose tube and nonmetal stiffener is pointed in the direction of this oblique V-arrangement tearing groove, during optical cable baring, stripping is carried out by oblique V-arrangement tearing groove, cut along V-shaped groove direction by cutter, after completing cutting, after butterfly cable is bent, FRP and nonmetal stiffener and restrictive coating can be peeled off easily, isolate Loose tube.
2. the utility model has the reinforced light-duty optical fiber cable of anti-rat, its glass fiber tape is embedded in the sheath on the upper and lower both sides of Loose tube, the tensile strength of optical cable all directions is made to keep the consistent of entirety on the one hand, when optical cable construction is stressed, be unlikely to cause torsion stressed because all directions intensity differs, damage the phenomenon of optical fiber; Meanwhile, make the upper and lower both sides of Loose tube also have anti-function of nibbling, class of nibbling animal bite upper and lower both sides time, the same with the right and left, after running into glass layer, oral cavity is impaired and no longer continue to bite, protection the inside Loose tube and optical fiber.
Accompanying drawing explanation
Accompanying drawing 1 has the reinforced light-duty optical fiber cable construction schematic diagram one of anti-rat for the utility model;
Accompanying drawing 2 has the reinforced light-duty optical fiber cable construction schematic diagram two of anti-rat for the utility model.
In above accompanying drawing: 1, Loose tube; 2, glass optical fiber; 3, block water fine cream; 4, nonmetal stiffener; 5, platypelloid type oversheath; 6, thermoset glass fibre cotton yarn tape; 7, oblique V-arrangement tearing groove; 8, glass fiber yarn; 9, macromolecule binding resin layer; 10, Fiber glass rod.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of reinforced light-duty optical fiber cable with anti-rat, comprise the Loose tube 1 being positioned at center and the some glass optical fibers 2 being positioned at Loose tube 1, the fine cream 3 that blocks water is filled with between described Loose tube 1 and glass optical fiber 2, two nonmetal stiffeners 4 are arranged at described Loose tube 1 left side abreast, right side and be positioned at same plane, one platypelloid type oversheath 5 is coated on described Loose tube 1, two nonmetal stiffener 4 outside surfaces, isolated by described platypelloid type oversheath 5 between described Loose tube 1 and nonmetal stiffener 4, described platypelloid type oversheath 5 region be positioned at above and below described Loose tube 1 has 2 oblique V-arrangement tearing grooves 7 respectively, 4 described oblique V-arrangement tearing grooves 7 are symmetrical arranged, the region between Loose tube 1 and nonmetal stiffener 4 is pointed in the direction of this oblique V-arrangement tearing groove 7, in described platypelloid type oversheath 5 and the upper and lower being positioned at Loose tube 1 all has thermoset glass fibre cotton yarn tape 6, be platypelloid type oversheath 5 between this thermoset glass fibre cotton yarn tape 6 and Loose tube 1, described thermoset glass fibre cotton yarn tape 6 is made up of glass fiber yarn 8 and the macromolecule binding resin layer 9 being coated on glass fiber yarn 8 surface.
Above-mentioned oblique V-arrangement tearing groove 7 is 30 ° ~ 60 ° with the surperficial angle of platypelloid type oversheath 5.
The above-mentioned end of oblique V-arrangement tearing groove 7 and the distance of Loose tube 1 are at least 0.5mm, and it freely places lower opening size at 0.05 ~ 2mm at optical fiber cable, and the degree of depth of described oblique V-arrangement tearing groove 7 is 0.5 ~ 2mm.
Distance between above-mentioned thermoset glass fibre cotton yarn tape 6 and Loose tube 1 is no less than 0.1mm, and the distance between described nonmetal stiffener 4 and Loose tube 1 is no less than 0.1mm.
Above-mentioned nonmetal stiffener 4 is glass fibre; The area of section of above-mentioned Loose tube 1 is less than or equal to the area of section of nonmetal stiffener 4, and the diameter of Loose tube is also less than the width of glass fiber tape.
Embodiment 2: a kind of reinforced light-duty optical fiber cable with anti-rat, comprise the Loose tube 1 being positioned at center and the some glass optical fibers 2 being positioned at Loose tube 1, the fine cream 3 that blocks water is filled with between described Loose tube 1 and glass optical fiber 2, two nonmetal stiffeners 4 are arranged at described Loose tube 1 left side abreast, right side and be positioned at same plane, one platypelloid type oversheath 5 is coated on described Loose tube 1, two nonmetal stiffener 4 outside surfaces, isolated by described platypelloid type oversheath 5 between described Loose tube 1 and nonmetal stiffener 4, described platypelloid type oversheath 5 region be positioned at above and below described Loose tube 1 has 2 oblique V-arrangement tearing grooves 7 respectively, 4 described oblique V-arrangement tearing grooves 7 are symmetrical arranged, the region between Loose tube 1 and nonmetal stiffener 4 is pointed in the direction of this oblique V-arrangement tearing groove 7, in described platypelloid type oversheath 5 and the upper and lower being positioned at Loose tube 1 all has thermoset glass fibre cotton yarn tape 6, be platypelloid type oversheath 5 between this thermoset glass fibre cotton yarn tape 6 and Loose tube 1, described thermoset glass fibre cotton yarn tape 6 is made up of some Fiber glass rods 10 arranged in parallel, and this Fiber glass rod forms by some glass fibers being coated with hot melt adhesive are stranded.
Above-mentioned oblique V-arrangement tearing groove 7 is 30 ° ~ 60 ° with the surperficial angle of platypelloid type oversheath 5.
The above-mentioned end of oblique V-arrangement tearing groove 7 and the distance of Loose tube 1 are at least 0.5mm, and it freely places lower opening size at 0.05 ~ 2mm at optical fiber cable, and the degree of depth of described oblique V-arrangement tearing groove 7 is 0.5 ~ 2mm.
Distance between above-mentioned thermoset glass fibre cotton yarn tape 6 and Loose tube 1 is no less than 0.1mm, and the distance between described nonmetal stiffener 4 and Loose tube 1 is no less than 0.1mm.
Above-mentioned nonmetal stiffener 4 is glass fibre; The area of section of above-mentioned Loose tube 1 is less than or equal to the area of section of nonmetal stiffener 4, and the diameter of Loose tube is also less than the width of glass fiber tape.
Adopt above-mentioned when there is the reinforced light-duty optical fiber cable of anti-rat, be positioned at the upper of Loose tube in its platypelloid type oversheath, below all has thermoset glass fibre cotton yarn tape, be platypelloid type oversheath between this thermoset glass fibre cotton yarn tape and Loose tube, form one deck waterproof, anti-soda acid, anti-oxidant, the close separation layer of anti-ultraviolet matter, make rodent when biting glass fibre protective seam, do not continuing to bite optical cable by glass fibre injures oral cavity by a crashing object, thus reach biological protection against rodents effect, protection optical fiber is not snapped bad, and global sections is not containing any metal ingredient, to thunder and lightning, there is natural screening, there is high safety in utilization, secondly, its platypelloid type oversheath region be positioned at above and below described Loose tube has 2 oblique V-arrangement tearing grooves respectively, 4 described oblique V-arrangement tearing grooves are symmetrical arranged, the region between Loose tube and nonmetal stiffener is pointed in the direction of this oblique V-arrangement tearing groove, during optical cable baring, stripping is carried out by oblique V-arrangement tearing groove, cut along V-shaped groove direction by cutter, after completing cutting, after butterfly cable is bent, FRP and nonmetal stiffener and restrictive coating can be peeled off easily, isolate Loose tube.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.