CN208239681U - A kind of anti-lightning strike communications optical cable - Google Patents
A kind of anti-lightning strike communications optical cable Download PDFInfo
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- CN208239681U CN208239681U CN201820446556.7U CN201820446556U CN208239681U CN 208239681 U CN208239681 U CN 208239681U CN 201820446556 U CN201820446556 U CN 201820446556U CN 208239681 U CN208239681 U CN 208239681U
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- lightning strike
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Abstract
The utility model relates to communications optical cable technical field more particularly to a kind of anti-lightning strike communications optical cables.The technical problems to be solved in the utility model is moisture-proof, waterproof, anti-lightning strike, anticorrosion, in order to solve the above-mentioned technical problem, the utility model provides a kind of anti-lightning strike communications optical cable, including plastic-coated aluminium strip, strengthening core is socketed at the internal axis of the plastic-coated aluminium strip, the surrounding of the strengthening core is fixedly connected to PBT Loose tube, the inside of the PBT Loose tube is socketed with optical fiber, flame-proof polyvinyl chloride smooth in appearance, light have flexibility, easily peelable；The casing strength of PBT material is high, indeformable, anti-aging, by increasing strengthening core and stiffened wire lath band, can reach stretch-proof, effect not easy to break；The flame-proof polyvinyl chloride protective layer on optical cable surface layer and the shielded layer wrapped up can achieve the effect that waterproof, anti-lightning strike, when meeting with lightning stroke, connected and are grounded by shielded layer, reach anti-lightning strike effect.
Description
Technical field
The utility model relates to field of communication technology, specially a kind of anti-lightning strike communications optical cable.
Background technique
The cable heart and outer jacket that communications optical cable is made of several optical fiber (generally from several cores to thousands of cores) are formed.Light
It is fine compared with traditional symmetrical copper circuit and coaxial copper circuit, transmission capacity is much bigger, attenuation is few, transmission range is long, body
Product is small, light-weight, without electromagnetic interference, at low cost, is current most promising communications media.It is used widely for electricity
In the signal transmission of each department such as letter, electric power, broadcast, it will gradually become the main body of future communications network.
Optical cable in structure with cable primary difference is that optical cable must have stiffener to go to bear extraneous mechanical load,
And the functions such as damage caused by environmental factor, such as optical cable needs are moisture-proof, waterproof, anti-lightning strike, anticorrosion.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of anti-lightning strike communications optical cable, solves moisture-proof, anti-
Water, anti-lightning strike, etch-proof problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-lightning strike communications optical cable, including plastic-coated
Aluminium strip is socketed with strengthening core at the internal axis of the plastic-coated aluminium strip, and the surrounding of the strengthening core is fixedly connected to PBT pine set
Pipe, the inside of the PBT Loose tube are socketed with optical fiber, and the outer surface of the plastic-coated aluminium strip is socketed with stiffened wire lath band, described
The outer surface of stiffened wire lath band is socketed with polyethylene protective case, and the outer surface of the polyethylene protective case is socketed with shielded layer,
And the outer surface of polyethylene protective case is fixedly connected by super absorbent resin with the inner wall of shielded layer, the appearance of the shielded layer
Surface cover is connected to flame-proof polyvinyl chloride.
Preferably, the inner wall of the outer surface of the PBT Loose tube and plastic-coated aluminium strip overlaps.
Preferably, fiber paste is filled in the internal interstices of the PBT Loose tube.
Preferably, cable cream is filled in the internal interstices of the plastic-coated aluminium strip.
Preferably, the shape of the shielded layer is netted hollow cylinder.
(3) beneficial effect
The utility model provides a kind of anti-lightning strike communications optical cable.Have it is following the utility model has the advantages that
(1), the optical cable is applied to communications optical cable field by improving to cable protection layer, outside flame-proof polyvinyl chloride
Mass color is sliding, bright, has flexibility, easily peelable, and the casing strength of PBT material is high, indeformable, anti-aging, is reinforced by increasing
Core and stiffened wire lath band can reach stretch-proof, effect not easy to break.
(2), the optical cable is applied to communications optical cable field, the resistance on optical cable surface layer by the improvement to conventional cable protective layer
Combustion polyvinyl chloride protective layer and the shielded layer that is wrapped up can achieve the effect that waterproof, anti-lightning strike, when meeting with lightning stroke,
It is connected and is grounded by shielded layer, reach anti-lightning strike effect.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model structure；
Fig. 2 is the top view of the utility model structure；
In figure: 1 plastic-coated aluminium strip, 2 strengthening cores, 3PBT Loose tube, 4 optical fiber, 5 fiber pastes, 6 cable cream, 7 stiffened wire lath bands, 8 are gathered
Ethylene protective case, 9 super absorbent resins, 10 shielded layers, 11 flame-proof polyvinyl chlorides.
Specific embodiment
As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of anti-lightning strike communications optical cable, including plastic-coated aluminium
Band 1, plastic-coated aluminium strip 1 have high tenacity, due to being coated with plastic layer and corrosive power with media such as acid and alkali resistance, salt, simultaneously
It has the comprehensive performances such as dicoration, electric insulating quality concurrently, is filled with cable cream 6 in the internal interstices of plastic-coated aluminium strip 1, fills 6 energy of cable cream
The leakproofness for enough enhancing cable interior, protects optical fiber 4, avoids the transmission performance decaying for influencing optical fiber 4, plastic-coated aluminium strip 1
Internal axis at be socketed with strengthening core 2, strengthening core 2 can play the role of support and tension in optical cable, if there is connector box
Fixed function can also be played, the surrounding of strengthening core 2 is fixedly connected to PBT Loose tube 3, and the casing strength of PBT material is high, constant
Shape, anti-aging, the outer surface of PBT Loose tube 3 and the inner wall overlap joint of plastic-coated aluminium strip 1, by being overlapped on the inner wall of plastic-coated aluminium strip 1,
The tightly packed of cable cream 6 can be facilitated, when filling cable cream 6, PBT Loose tube 3 is made to be not easy to deviate initial position and cause to distort,
The inside of PBT Loose tube 3 is socketed with optical fiber 4, is filled with fiber paste 5 in the internal interstices of PBT Loose tube 3, fiber paste 5 is filled in PBT
Optical fiber 4 itself can be effectively protected in the inside of Loose tube 3, enhance waterproof performance, avoid unexpected experience moist or seep water to lead
Cause whole route to scrap, the outer surface of plastic-coated aluminium strip 1 is socketed with stiffened wire lath band 7, stiffened wire lath band 7 have it is high-intensitive,
High tenacity, can effective stretch-proof, counter-bending, protect optical fiber 4, avoid mouse ant from biting broken and communication transfer is caused to interrupt, reinforce steel
The outer surface of mesh belt 7 is socketed with polyethylene protective case 8, and polyethylene is nontoxic, tasteless white powder or particle, and appearance is in cream
White has the feel of ceraceous, and water absorption rate is low, and polyethylene film is transparent, and reduces with the raising of crystallinity, polyethylene film it is permeable
Rate is low but gas permeability is larger, is unsuitable for fresh-keeping packaging and is suitable for damp-prrof packing, when burning low cigarette, there is a small amount of melting to fall drop, flame
Upper Huang Xialan has paraffin smell, and the water resistance of polyethylene is preferable, and the outer surface of polyethylene protective case 8 is socketed with shielded layer 10, screen
The shape for covering layer 10 is netted hollow cylinder, and reticular structure can effectively wrap up internal polyethylene protective case 8, and all standing can
Its effect is more fully played, the end effective grounding of metallic copper wire shielded layer 10 can be avoided thunder and lightning and do to communication optical fiber
It disturbs, and shielding layer grounding, can achieve the effect that anti-lightning strike, and the outer surface of polyethylene protective case 8 passes through high-hydroscopicity tree
Rouge 9 is fixedly connected with the inner wall of shielded layer 10, and super absorbent resin 9 is that the one kind developed in recent years contains strongly hydrophilic group simultaneously
Functional high molecule material with certain degree of cross linking, the adsorbent material used in the past, such as paper, cotton, fiber crops water absorbing capacity only have
15 to 40 times of own wt, water holding capacity are also mutually on duty, and 70 mid-nineties 90s, United States Department of Agriculture develops in research center first
A kind of super absorbent resin, hereafter various types of super absorbent resins occur in succession, these resins are not soluble in water, are also insoluble in
Organic solvent can absorb the water of hundreds times to thousands of times own wts, and water-retaining property is strong, will not applying pressure water
It is extruded, it can absorb the moisture of own wt hundred times to thousand times, and nontoxic, harmless, pollution-free and water absorbing capacity extra-heavy is protected
Outlet capacity is extra-high, the heavy polymer that is obtained by acroleic acid polymerization, high moisture-holding capacity, the balance of uptake under high load capacity,
Absorb water point cannot be squeezed out by simple physical method, and can release water, water suction repeatedly, use super absorbent resin 9 as blocking water
Band cladding cable core, just in case optical cable outer wall is damaged, the super absorbent resin 9 of wound part plays sealing effect because of expansion, can be with
It prevents entering for water from arriving minimum limit, the outer surface of shielded layer 10 is socketed with flame-proof polyvinyl chloride 11, by conventional cable
The improvement of protective layer is applied to communications optical cable field, and optical cable surface layer flame-proof polyvinyl chloride 11 protective layer and the screen that is wrapped up
Waterproof, anti-lightning strike can be achieved the effect that by covering layer 10, when meeting with lightning stroke, connected and be grounded by shielded layer 10, reach anti-
Lightning-strike effectiveness.
In summary: the optical cable is applied to communications optical cable field, fire-retardant polychlorostyrene by improving to cable protection layer
Ethylene smooth in appearance, light have flexibility, easily peelable, and the casing strength of PBT material is high, indeformable, anti-aging, pass through increasing
Add strengthening core and stiffened wire lath band, stretch-proof, effect not easy to break can be reached.The optical cable, by being protected to conventional cable
The improvement of layer is applied to communications optical cable field, the flame-proof polyvinyl chloride protective layer on optical cable surface layer and the shielded layer energy wrapped up
Enough achieve the effect that waterproof, anti-lightning strike, when meeting with lightning stroke, is connected and be grounded by shielded layer, reach anti-lightning strike effect.
Claims (5)
1. a kind of anti-lightning strike communications optical cable, including plastic-coated aluminium strip (1), it is characterised in that: the internal axis of the plastic-coated aluminium strip (1)
Place is socketed with strengthening core (2), and the surrounding of the strengthening core (2) is fixedly connected to PBT Loose tube (3), the PBT Loose tube
(3) inside is socketed with optical fiber (4), and the outer surface of the plastic-coated aluminium strip (1) is socketed with stiffened wire lath band (7), the reinforcement
The outer surface of steel wire net-belt (7) is socketed with polyethylene protective case (8), and the outer surface of the polyethylene protective case (8) is socketed with screen
It covers layer (10), and the fixed company of inner wall that the outer surface of polyethylene protective case (8) passes through super absorbent resin (9) and shielded layer (10)
It connects, the outer surface of the shielded layer (10) is socketed with flame-proof polyvinyl chloride (11).
2. a kind of anti-lightning strike communications optical cable according to claim 1, it is characterised in that: the appearance of the PBT Loose tube (3)
The inner wall of face and plastic-coated aluminium strip (1) overlaps.
3. a kind of anti-lightning strike communications optical cable according to claim 1, it is characterised in that: the inside of the PBT Loose tube (3)
Fiber paste (5) are filled in gap.
4. a kind of anti-lightning strike communications optical cable according to claim 1, it is characterised in that: the inside of the plastic-coated aluminium strip (1)
Cable cream (6) are filled in gap.
5. a kind of anti-lightning strike communications optical cable according to claim 1, it is characterised in that: the shape of the shielded layer (10) is
Netted hollow cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820446556.7U CN208239681U (en) | 2018-03-30 | 2018-03-30 | A kind of anti-lightning strike communications optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820446556.7U CN208239681U (en) | 2018-03-30 | 2018-03-30 | A kind of anti-lightning strike communications optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208239681U true CN208239681U (en) | 2018-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820446556.7U Active CN208239681U (en) | 2018-03-30 | 2018-03-30 | A kind of anti-lightning strike communications optical cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN208239681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505866A (en) * | 2020-12-10 | 2021-03-16 | 安徽长荣光纤光缆科技有限公司 | Lightning protection optical cable and use method thereof |
-
2018
- 2018-03-30 CN CN201820446556.7U patent/CN208239681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505866A (en) * | 2020-12-10 | 2021-03-16 | 安徽长荣光纤光缆科技有限公司 | Lightning protection optical cable and use method thereof |
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