CN207281350U - A kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable - Google Patents
A kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable Download PDFInfo
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- CN207281350U CN207281350U CN201721101519.4U CN201721101519U CN207281350U CN 207281350 U CN207281350 U CN 207281350U CN 201721101519 U CN201721101519 U CN 201721101519U CN 207281350 U CN207281350 U CN 207281350U
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- against rodents
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Abstract
The utility model discloses a kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable, including oversheath, wire reinforcement, inner sheath, metallic shield net, aramid fiber, stainless steel armour pipe, coat, covering, fibre core, V-shaped line groove；The oversheath is rectangular solid protection body, its center is equipped with interior cable, the interior cable is disposed with inner sheath, metallic shield net, aramid fiber, stainless steel armour pipe and more tightly packaged fibers, the tightly packaged fiber and is disposed with coat, covering and fibre core from outside to inside from outside to inside；The interior cable is externally provided with the wire reinforcement of arc configuration, the utility model uses rectangle expanded letter oversheath, both sides use more wire reinforcements of arc configuration, oversheath is internally provided with the anti-bite performance of metallic shield net and stainless steel armour pipe increase optical cable, and optical cable can effectively prevent that muroid from biting destruction in outdoor application；Optimize the structure of protection against rodents type optical cable, from anticorrosive, the water resistance of cable interior structure increase optical cable.
Description
Technical field
Outdoor optical cable technical equipment field is the utility model is related to, more particularly to a kind of protection against rodents type armouring rubber-insulated wire outdoor optical
Cable.
Background technology
Because it has the custom ground one's teeth in sleep to have greatly destructiveness to optical cable, a mouse is per week to bite mouse
More than 18000-90000 times, and its tooth hardness is bigger than copper, and only hardness can just ensure not more than the material of steel alloy
Stung by muroid bad.
Afternoon on December 8th, 2010, the mouse of a centimeter length more than 20 break by the teeth 185 square millimeters of cables, cause China
Energy Changchun steam power plant (four factory of Changchun thermoelectricity) No. 2 unit disorderly closedowns, more than 600 ten thousand square metres of Changchun City area of heat-supply service are subject to
Influence.Just recover heat supply by the repairing of an one day time at night.On the lightguide cable link run, the various structures light of multiple producers
Cable all causes line fault in varying degrees for damaged by rats, by taking the affiliated circuit of Zhejiang mobile communication as an example, from 1997 to
Since the communication failure of damaged by rats generation is tens of, the failure rate requirement of telecommunication line is seriously exceeded within 2005.The harm of mouse
It is big, in history because mouse causes serious accident not piece victory number.The plague of rats is to industry, agricultural, electric power, combustion gas, communications and transportation
There is greatly harm etc. industry.Traffic paralysis, communicating interrupt caused by mouse bites fiber optic cable broken, according to incompletely statistics, often
About 20,000,000,000 dollars of the economic loss that year is directly contributed by mouse, if various losses caused by mouse are added up, up to thousands of
Hundred million dollars.And lost as industrial automatization improves, caused by mouse also more serious, anti-rat-bite optical cable is seasonable and gives birth to,
As an emerging market.
In the prior art, protection against rodents type optical cable is substantially the method that chemical composition is added in sheath, such as in cable jacket
Pungent element is added, pungent element is originally the chemical substance extracted from the natural materials such as capsicum, is found in Experiment on white mice
Mouse is more sensitive to spicy substance, therefore has been considered as a kind of effective expelling mouse agent.Commercial pungent element protective cover material is handle
A kind of similar chemical synthetic material, is added in sheath according to a certain percentage；By squeezing after pungent element is matched with protective cover material
Molding machine is extruded, the drawback is that：Substantial amounts of acrid odors can be volatilized in manufacturing process, these gases can be quickly climing in workshop
Prolong, the respiratory tract and eyes to operator damage, this thought people-oriented with current enterprise is disagreed；Secondly pungent element
Slowly gradually it is lost in from protective cover material in the long-term environment to expose to the sun and rain outdoors, therefore it is difficult to ensure that the protection against rodents of rodent-resistant cable
Effect and effective time, the expense of follow-up maintenance are larger.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable, for existing
There is the deficiency in technology, cancel and pungent element is added in cable outer sheath, optimize jacket material；And rectangle is used from structure
Expanded letter oversheath, oversheath both sides use more wire reinforcements of arc configuration, and oversheath is internally provided with metallic shield net
With the anti-bite performance of stainless steel armour pipe increase optical cable, optical cable can effectively prevent that muroid from biting destruction in outdoor application.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable, bag
Include oversheath, wire reinforcement, inner sheath, metallic shield net, aramid fiber, stainless steel armour pipe, coat, covering, fibre core, V
Shape wire casing, it is characterised in that：
The oversheath is in its center is provided with the rectangular solid protection body for being symmetrically arranged with V-shaped line groove
Cable, the interior cable are disposed with inner sheath, metallic shield net, aramid fiber, stainless steel armour pipe and more hard-pressed bales from outside to inside
Optical fiber, the tightly packaged fiber are disposed with coat, covering and fibre core from outside to inside；One in oversheath outside the interior cable
The shaping of body formula is provided with more wire reinforcements of arc configuration, the wire reinforcement of arc configuration be used for protection against rodents bite with
Increase optical cable does tensile strength.
The wire reinforcement uses section as circular stainless steel, and two are at least symmetrically arranged with the both sides of the interior cable
Root.
Wire reinforcement diameter among the both sides of the interior cable is more than the wire reinforcement diameter of other positions configuration.
The external sheath layer material is high density polyethylene (HDPE) sheath, and the inner sheath material is PE materials, the metallic shield
Net is formed using the braiding of 0.07mm stainless steels braided wires, the aramid fiber, i.e., fragrant adoption phthalein amine fiber, is with aromatic series
Compound is raw material through synthetic fibers made from polycondensation spinning；The stainless steel armour pipe, helical steel band pipe is processed into using stainless steel,
Effectively protection optical fiber protection against rodents, can highly prevent the destruction caused by various mechanical stresses, and stainless steel armour pipe is additionally operable to protection fibre core,
Natural torsion, has the advantages of high pressure resistant, anti drawing strongly, anti-electromagnetic interference capability.
The coat material of the tightly packaged fiber is polyacrylate, and the covering is the silica of doping, the fibre
Core material is silica, and effect is transmission optical signal.
The performance indicator of the protection against rodents type armouring rubber-insulated wire outdoor optical cable is：Service life was up to 20 years；Meet GB/
Testing vertical flammability as defined in T18380.12；At -20 DEG C to+100 DEG C, non-fiber fracture and sheath crack heat resistance；Optical cable
Mouse bite preventing；Optical cable long term service pressure 600N, short-term 1200N, fiber-optic signal are unaffected；Optical cable allows bending half in laying
Footpath reaches 20 times of cable diameters.
The operation principle of the utility model is：Protection against rodents type armouring rubber-insulated wire outdoor optical cable is a kind of optical cable of special construction, pin
A reinforced optical cable specially researched and developed to the mountain area of outdoor mouse wildness, structure are that compound steel silk is placed outside optical fiber, first
Layer steel wire is the reinforcer on optical cable both sides, is played a protective role to optical cable, and buffering mouse bites optical cable, and the second layer is to optical cable
Play the role of antitorque and prevention mouse to bite, third layer is also closest to the internal layer of optical fiber, is flattened into not by 0.5 stainless steel wire
Become rusty steel band, and spiral steel pipe is being made by stainless steel band, and optical fiber is wrapped in the inside, thoroughly prevents mouse and bites, mitigate work people
The long-term work for needing inspection of member, making optical cable, the mountain area service life increases in the wild.
Through the above technical solutions, the beneficial effect of technical solutions of the utility model is：Optimize jacket material；And from knot
Rectangle expanded letter oversheath is used on structure, oversheath both sides use more wire reinforcements of arc configuration, set inside oversheath
There is the anti-bite performance of metallic shield net and stainless steel armour pipe increase optical cable, optical cable effectively can prevent muroid from biting brokenly in outdoor application
It is bad；Using the wear-resistant and anti-ultraviolet property of high density polyethylene (HDPE) sheath increase optical cable；Optimize the structure of protection against rodents type optical cable, from light
Cable internal structure increases anticorrosive, the water resistance of optical cable.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable cross-sectional structure signal disclosed in the utility model embodiment
Figure.
Corresponding component title of the numeral represented by with letter in figure：
1. 2. wire reinforcement of oversheath, 3. inner sheath, 4. metallic shield net
5. 6. 7. coat of stainless steel armour pipe of aramid fiber, 8. covering
9. fibre core 10.V shape wire casings
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
According to Fig. 1, the utility model provides a kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable, including oversheath 1, steel wire add
Strong part 2, inner sheath 3, metallic shield net 4, aramid fiber 5, stainless steel armour pipe 6, coat 7, covering 8, fibre core 9, V-shaped line groove
10。
The oversheath 1 is to be provided with the rectangular solid protection body for being symmetrically arranged with V-shaped line groove 10, its center
Interior cable, the interior cable are disposed with inner sheath 3, metallic shield net 4, aramid fiber 5, stainless steel armour pipe 6 and more from outside to inside
Root tightly packaged fiber, the tightly packaged fiber are disposed with coat 7, covering 8 and fibre core 9 from outside to inside；Outside the interior cable
Integral molding is provided with more wire reinforcements 2 of arc configuration in oversheath, and the wire reinforcement 2 of the arc configuration is used
Tensile strength is done in what protection against rodents bit and increased optical cable.
The wire reinforcement 2 uses section as circular stainless steel, and ten are symmetrically arranged with the both sides of the interior cable.
2 diameter of wire reinforcement among the both sides of the interior cable is more than 2 diameter of wire reinforcement of other positions configuration.
1 material of oversheath is high density polyethylene (HDPE) sheath, and 3 material of inner sheath is PE materials, the metal screen
Cover net 4 to form using the braiding of 0.07mm stainless steels braided wires, the aramid fiber 5, i.e., fragrant adoption phthalein amine fiber, is with fragrance
Compounds of group is raw material through synthetic fibers made from polycondensation spinning；The stainless steel armour pipe 6, spiral steel is processed into using stainless steel
Band pipe, effectively protects optical fiber protection against rodents, can highly prevent the destruction caused by various mechanical stresses, stainless steel armour pipe 6 is additionally operable to protect
Fibre core is protected, natural torsion, has the advantages of high pressure resistant, anti drawing strongly, anti-electromagnetic interference capability.
7 material of coat of the tightly packaged fiber is polyacrylate, and the covering 8 is the silica of doping, described
9 material of fibre core is silica, and effect is transmission optical signal.
1 diameter control of oversheath is in 7.65*14.5mm；The wire reinforcement 2 is circular real by two stainless steels
Heart pipe is placed on optical cable both sides, and the size of wire reinforcement is 0.8mm；3 size of inner sheath is 3.0mm；The metal screen
Cover net 4 and use 0.07mm stainless steel braided wires, the braiding of 6 × 16 ingot braided wires, area coverage is up to more than 50%, unilateral wall thickness
0.07mm, cable size is 1.84 ± 0.10mm after braiding；The aramid fiber 5, by 6 strands of 1100D import aramid fibers, tension intensity
Reach 600N；The stainless steel armour pipe 6, one layer of 304 material stainless steel helix tube of coating, unilateral wall thickness are outside pencil optical fiber
0.25mm, caliber are 1.2mm -1.7mm；The coat 7, covering 8, fibre core 9 synthesize 0.6mm tightly packaged fibers, this optical cable can be put
Set to 0 the .6mm coloring core 0.6mm tightly packaged fibers of tightly packaged fiber × 6.
The utility model concrete operation step is：1 material of oversheath is high density polyethylene (HDPE) sheath, high-density polyethylene
Alkene material is a kind of thermoplastic of linear structure, has an excellent impact resistance, wear resistance, and chemical proofing is resistance to
Oiliness, resistance to vapour permeability and environmental stress crack resistance, electrical insulating property and impact resistance and cold tolerance are fine in addition, thus
The sheath of material extrusion moulding is most suitable for using in the severe area of outdoor environment；2 material of wire reinforcement is circular stainless
Steel, optical fiber both sides are symmetrical arranged, and play the role of protecting intermediate fibres；3 material of inner sheath is PE materials, main function be
Cushioning effect from when optical fiber is subject to the external force to act on；The metallic shield net 4, refer to using 0.07mm stainless steels braided wires braiding and
Into, serve antitorque, can strengthen the anti-torsion performance of optical cable, and the resilient protection to moment side pressure impact, while can
To be obviously improved the tensile property of optical cable, stainless steel wire also acts as corrosion-resisting function；The aramid fiber 5, i.e., fragrant adoption phthalein
Amine fiber, it using aromatic compound is raw material through synthetic fibers made from polycondensation spinning to be.Aramid fiber has good anti-impact
Hit and fatigue performance, there is good dielectricity and a chemical stability, main function be when optical fiber is subject to external force to act on from it is anti-
Drawing acts on；The stainless steel armour pipe 6, is processed into helical steel band pipe using stainless steel wire, effectively protects optical fiber, can highly prevent each
Destruction caused by kind of mechanical stress, metal armour protect fibre core, can have the advantages of high pressure resistant, anti drawing strongly with natural torsion,
Excellent optical ca ble protection and safety can be provided, are coated on outside optical fiber, there is anti-bite, ant proof and good bending resistance, resist
Pressure, anti-electromagnetic interference capability, by armouring protection pipe made of application strong 304 stainless steel material of corrosion resistance, improve optical cable
Anti-extrusion and tensile characteristics, mouse can be prevented bite not injure optical fiber；7 material of coat is polyacrylate, is increased
Add the new energy of machinery of optical fiber, prevent fibre core from being polluted by dust；The covering 8 is the silica of doping, there is provided light is all-trans
Condition is penetrated, main function is to make optical signal be enclosed in fibre core to transmit；9 material of fibre core is silica, and effect is transmission
Optical signal.
By above-mentioned specific embodiment, the beneficial effects of the utility model are：
1st, with the development of optic communication, many mountain area areas increasingly increase optic communication demand, and the environment in mountain area causes
Outdoor rubber-insulated wire routinely frequently suffers from mouse and bites destruction, and the long-time service increase difficulty to optical cable is, it is necessary to which full-time staff grows
Phase patrols, and due to the physical features in mountain area etc., once the damaged maintenance of optical cable generation is relatively difficult, may result in signal and interrupts for several days,
Therefore such protection against rodents type armouring rubber-insulated wire outdoor optical cable can solve the problems, such as these, be particularly suitable for the more luxuriant mountain of vegetation in the wild
Area uses, this optical cable effectively can prevent mouse from biting, extend the service life of optical cable, it is not necessary to personnel's inspection, can be for a long time in outdoor
Use.
2nd, optical cable is acted on during laying and operation be subject to external force, while also more optical cables such as ambient temperature
Service life have an impact, such optical cable is directed to this situation, and the mechanical performance of optical cable is added from material and structure.
3rd, such optical cable uses 304 stainless steel armour pipes, if optical cable cannot be protected, is destroyed by mouse, after damaged by rats
The aerial stainless steel tube of exposure plays the role of corrosion-resistant, its corrosion resistance is good compared with general steel pipe.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (5)
1. a kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable, it is characterised in that including oversheath, wire reinforcement, inner sheath, metal
Gauze screen, aramid fiber, stainless steel armour pipe, coat, covering, fibre core, V-shaped line groove；The oversheath is with being symmetrical arranged
There is the rectangular solid protection body of V-shaped line groove, its center is provided with interior cable, and the interior cable is disposed with interior shield from outside to inside
Set, metallic shield net, aramid fiber, stainless steel armour pipe and more tightly packaged fibers, the tightly packaged fiber are set gradually from outside to inside
There are coat, covering and fibre core；Integral molding is provided with more steel wires of arc configuration in oversheath outside the interior cable
Reinforcer, what the wire reinforcement of arc configuration was used for that protection against rodents to bite and increase optical cable does tensile strength.
A kind of 2. protection against rodents type armouring rubber-insulated wire outdoor optical cable according to claim 1, it is characterised in that the wire reinforcement
Section is used as circular stainless steel, two are at least symmetrically arranged with the both sides of the interior cable；Among the both sides of the interior cable
Wire reinforcement diameter be more than other positions configuration wire reinforcement diameter.
A kind of 3. protection against rodents type armouring rubber-insulated wire outdoor optical cable according to claim 1, it is characterised in that the external sheath layer material
For high density polyethylene (HDPE) sheath, the inner sheath material is PE materials, and the metallic shield net is woven using 0.07mm stainless steels
Silk braiding forms, the aramid fiber, i.e. fragrance adoption phthalein amine fiber, and it using aromatic compound is raw material through polycondensation spinning system to be
The synthetic fibers obtained；The stainless steel armour pipe, helical steel band pipe is processed into using stainless steel, effectively protects optical fiber protection against rodents, can be high
Degree prevents destruction caused by various mechanical stresses, and stainless steel armour pipe is additionally operable to protection fibre core, natural torsion, have it is high pressure resistant,
The advantages of anti drawing strongly, anti-electromagnetic interference capability.
4. a kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable according to claim 1, it is characterised in that the tightly packaged fiber
Coat material is polyacrylate, and the covering is the silica of doping, and the fibre core material is silica, and effect is
Transmit optical signal.
A kind of 5. protection against rodents type armouring rubber-insulated wire outdoor optical cable according to claim 1, it is characterised in that the protection against rodents type armouring
The performance indicator of rubber-insulated wire outdoor optical cable is：Service life was up to 20 years；Meet testing vertical flammability as defined in GB/T18380.12；It is resistance to
Warm nature can be at -20 DEG C to+100 DEG C, and non-fiber fracture and sheath crack；Optical cable mouse bite preventing；Optical cable long term service pressure 600N is short
Phase 1200N, fiber-optic signal are unaffected；Optical cable allows bending radius to reach 20 times of cable diameters in laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721101519.4U CN207281350U (en) | 2017-08-30 | 2017-08-30 | A kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721101519.4U CN207281350U (en) | 2017-08-30 | 2017-08-30 | A kind of protection against rodents type armouring rubber-insulated wire outdoor optical cable |
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| CN207281350U true CN207281350U (en) | 2018-04-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999818A (en) * | 2020-08-20 | 2020-11-27 | 王松 | Optical fiber coupler |
| CN113866913A (en) * | 2021-08-30 | 2021-12-31 | 通鼎互联信息股份有限公司 | High-temperature-resistant water-blocking optical cable |
-
2017
- 2017-08-30 CN CN201721101519.4U patent/CN207281350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999818A (en) * | 2020-08-20 | 2020-11-27 | 王松 | Optical fiber coupler |
| CN113866913A (en) * | 2021-08-30 | 2021-12-31 | 通鼎互联信息股份有限公司 | High-temperature-resistant water-blocking optical cable |
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