CN208421342U - A kind of miniature flexible armouring direct-burried, pipeline optical cable - Google Patents
A kind of miniature flexible armouring direct-burried, pipeline optical cable Download PDFInfo
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- CN208421342U CN208421342U CN201820993511.1U CN201820993511U CN208421342U CN 208421342 U CN208421342 U CN 208421342U CN 201820993511 U CN201820993511 U CN 201820993511U CN 208421342 U CN208421342 U CN 208421342U
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Abstract
The utility model provides a kind of miniature flexible armouring direct-burried, pipeline optical cable; it is related to technical field of communication equipment, miniature flexible armouring direct-burried provided by the utility model, pipeline optical cable include: optical fiber, the first water blocking layer, microbeam pipe, the second water blocking layer, stainless protection layer, enhancement layer and sheath；The quantity of optical fiber is more; microbeam pipe sleeve is set to outside multifiber; first water blocking layer is set between optical fiber and microbeam pipe; second water blocking layer is wrapped in the outside of microbeam pipe; stainless protection layer is wrapped in the outside of the second water blocking layer, the successively package setting from inside to outside of stainless protection layer, enhancement layer and sheath.Miniature flexible armouring direct-burried provided by the utility model, pipeline alleviate in the related technology the technical problems such as cable size is larger, flexility is poor with optical cable.
Description
Technical field
The utility model relates to technical field of communication equipment, use more particularly, to a kind of miniature flexible armouring direct-burried, pipeline
Optical cable.
Background technique
The rapid growth of data service accelerates the construction of Networks of Fiber Communications, fiber optic communication big, matter with message capacity
The advantages that amount height, performance stabilization, anti-electromagnetic interference and strong security, be the long-range solution for developing broadband access.Such as Fig. 1 institute
Show, optical cable in the related technology is successively arranged optical fiber 1, fiber paste 2, Loose tube 3, center reinforcemen 4, ointment 5, aluminium strip from inside to outside
6, single mode or multimode fibre 1 are inserted in the interior filling waterproofing compound pine that high-modulus plastic is made by interior shield 7, steel band 8 and outer shield 9
In casing 3, one, cable core center metal reinforcement, Loose tube 3 and gasket for packing surround center reinforcemen 4 and are twisted into compact and rounding
Cable core, gap is filled with outer 6 longitudinal wrap of aluminium strip of the compound that blocks water and is extruded onto layer of polyethylene sheath, double plastic-coated steel bands 8 again in cable core
Layer of polyethylene sheath stranding is extruded after longitudinal wrap.
As the universal range of fiber optic communication is more and more wider, the demand of user is more and more, and therefore, it is necessary to develop satisfactions to make
With the various products of environmental requirement.Outdoor optical cable requires higher mechanical property, such as tension, resistance to compression etc., waterproof performance
Also there is higher requirement, but its softness is poor, excessively high requirement is not done to fire-retardant and few cigarette characteristic yet.Traditional outdoor optical
Cable can meet these requirements, but cable size is larger, and flexility is poor.
Utility model content
The purpose of this utility model is to provide a kind of miniature flexible armouring direct-burrieds, pipeline optical cable, to alleviate related skill
The technical problems such as cable size is larger in art, flexility is poor.
To realize that the purpose of this utility model adopts the following technical scheme that.
The utility model of technical solution 1 is a kind of miniature flexible armouring direct-burried, pipeline optical cable, comprising: optical fiber, the first resistance
Water layer, microbeam pipe, the second water blocking layer, stainless protection layer, enhancement layer and sheath；
The quantity of the optical fiber is more, and the microbeam pipe sleeve is set to the more outer fibers, first water blocking layer
Between the optical fiber and the microbeam pipe, second water blocking layer is wrapped in the outside of the microbeam pipe, the stainless steel
Protective layer is wrapped in the outside of the second water blocking layer, the stainless protection layer, the enhancement layer and the sheath from inside to outside according to
Secondary package setting.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 2, in the miniature flexible armouring of technical solution 1
In direct-burried, pipeline optical cable, second water blocking layer is made of dry type material water-proof material.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 3, in the miniature flexible armouring of technical solution 2
In direct-burried, pipeline optical cable, second water blocking layer is made of water blocking yarn.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 4, in the miniature flexible armouring of technical solution 1
In direct-burried, pipeline optical cable, first water blocking layer is made of dry type material water-proof material.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 5, in the miniature flexible armouring of technical solution 4
In direct-burried, pipeline optical cable, first water blocking layer is made of water blocking yarn.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 6, in the miniature flexible armouring of technical solution 1
In direct-burried, pipeline optical cable, the stainless protection layer is made of stainless steel flexible hose.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 7, in the miniature flexible armouring of technical solution 1
In direct-burried, pipeline optical cable, the enhancement layer is made of aramid fiber.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 8, in the miniature flexible armouring of technical solution 1
In direct-burried, pipeline optical cable, the sheath is made of polythene material.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 9, in the miniature flexible armouring of technical solution 1
In direct-burried, pipeline optical cable, the microbeam pipe is made of low smoke halogen-free flame-retardant polyolefin.
In addition, miniature flexible armouring direct-burried, the pipeline optical cable of technical solution 10, in the miniature flexible armour of technical solution 1
In dress direct-burried, pipeline optical cable, the microbeam pipe is made of thermoplastic elastomer (TPE).
Compared in the prior art, the utility model is had the advantages that.
The utility model of technical solution 1 provides a kind of miniature flexible armouring direct-burried, pipeline optical cable, comprising: optical fiber,
One water blocking layer, microbeam pipe, the second water blocking layer, stainless protection layer, enhancement layer and sheath；
The quantity of optical fiber is more, and microbeam pipe sleeve is set to outside multifiber, and the first water blocking layer is set to optical fiber and microbeam pipe
Between, the second water blocking layer is wrapped in the outside of microbeam pipe, and stainless protection layer is wrapped in the outside of the second water blocking layer, and stainless steel is protected
The successively package setting from inside to outside of sheath, enhancement layer and sheath.
Optical cable in the related technology includes more Loose tubes, and more Loose tubes are along the circumferentially distributed of center reinforcemen, and more
The total amount of Loose tube inner fiber is the summation for the optical fiber that optical cable needs；Miniature flexible armouring direct-burried provided by the utility model, pipe
The optical fiber of needs is set in same microbeam pipe by road with optical cable, in the identical situation of number of fibers, the sectional area of microbeam pipe
It is therefore, provided by the utility model miniature soft in the case where number of fibers is equal less than the sectional area that more Loose tubes occupy
Property armouring direct-burried, pipeline optical cable diameter be less than the diameter of optical cable in the related technology, reduce weight, it is empty to reduce occupancy
Between.
According to the utility model of technical solution 2, the second water blocking layer is made of dry type material water-proof material.The optical cable of factice for filling connects
It need to be cleared up when continuous, then must use detergent, cable core and optical fiber be cleaned, especially in operation, the process was both
It expends the time and pollutes bad border again, for the material water-proof material of dry type, construction personnel can be quickly and easily by optical fiber without cleaning
It takes out.For welding step, installation prepares, and the time needed for cleaning can be obviously shortened.
According to the utility model of technical solution 3, the second water blocking layer is made of water blocking yarn, meets the requirement of optical cable water-blocking.
According to the utility model of technical solution 4, the first water blocking layer is made of dry type material water-proof material.Meet optical cable water-blocking performance
Requirement.
According to the utility model of technical solution 5, the first water blocking layer is made of water blocking yarn, meets the requirement of optical cable water-blocking.
According to the utility model of technical solution 6, stainless protection layer is made of stainless steel flexible hose.Stainless steel flexible hose, which has, to be supported
The performance of anti-external mechanical damage and the performance for preventing soil corrosion, play a protective role to microbeam pipe, in addition, stainless steel flexible hose
Adjacent segment between gap it is smaller, reduce the move distance close to each other or separate at adjacent segments end, reduce each segment and drive
Sheath movement, to prevent jacket shrinkage.
According to the utility model of technical solution 7, enhancement layer is made of aramid fiber.Aramid fiber is set outside stainless steel flexible hose, can be made
Optical cable has good tensile property.
According to the utility model of technical solution 8, sheath is made of polythene material.Ensure that optical cable can be in buried and pipeline
Environment in apply.
According to the utility model of technical solution 9, microbeam pipe is made of low smoke halogen-free flame-retardant polyolefin.Low-smoke non-halogen flame-retardant is poly-
The ageing-resistant performance of olefin material is excellent, while having high flame resistance, can be improved the anti-flammability of electric wire entirety.
According to the utility model of technical solution 10, microbeam pipe is made of thermoplastic elastomer (TPE).It can not be by auxiliary tool
In the case of manually remove microbeam manage and protect jacket layer without damage optical fiber.
Detailed description of the invention
Technical solution in order to illustrate more clearly of specific embodiment of the present invention or in the related technology, below will be right
Attached drawing needed in specific embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-section of optical cable in the related technology；
Fig. 2 is the schematic cross-section of miniature flexible armouring direct-burried provided by the embodiment of the utility model, pipeline optical cable；
Icon: 1- optical fiber；2- fiber paste；3- Loose tube；4- center reinforcemen；5- ointment；6- aluminium strip；Shield in 7-；
8- steel band；It is protected outside 9-；The first water blocking layer of 200-；300- microbeam pipe；The second water blocking layer of 400-；500- stainless steel protection
Layer；600- enhancement layer；700- sheath.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 2 is the schematic cross-section of miniature flexible armouring direct-burried provided by the embodiment of the utility model, pipeline optical cable, such as
Shown in Fig. 2, miniature flexible armouring direct-burried provided by the embodiment of the utility model, pipeline optical cable, comprising: optical fiber 1, first block water
Layer 200, microbeam pipe 300, the second water blocking layer 400, stainless protection layer 500, enhancement layer 600 and sheath 700；
The quantity of optical fiber 1 is more, and microbeam pipe 300 is sheathed on outside multifiber 1, and the first water blocking layer 200 is set to optical fiber 1
Between microbeam pipe 300, the second water blocking layer 400 is wrapped in the outside of microbeam pipe 300, and stainless protection layer 500 is wrapped in second
The outside of water blocking layer 400, the successively package setting from inside to outside of stainless protection layer 500, enhancement layer 600 and sheath 700.
As shown in Fig. 2, multifiber 1 is located in same microbeam pipe 300, the first water blocking layer 200 is filled in optical fiber 1 and microbeam
Between pipe 300；Second water blocking layer 400 is wrapped in the outside of microbeam pipe 300, and the first water blocking layer 200 and the second water blocking layer 400 meet
The requirement of optical cable water-blocking performance；Stainless protection layer 500 is wrapped in the outside of the second water blocking layer 400, it is ensured that the crushing resistance of optical cable
Energy；Enhancement layer 600 is wrapped in the outside of stainless protection layer 500, and optical cable is made to have preferable tensile property, and sheath 700 wraps up
It in the outside of enhancement layer 600, plays a protective role to optical cable, it is ensured that optical cable can be applied in buried and pipeline environment.
Optical cable in the related technology includes more Loose tubes 3, and more Loose tubes 3 are more along the circumferentially distributed of center reinforcemen 4
The total amount of 3 inner fiber 1 of root Loose tube is the summation for the optical fiber 1 that optical cable needs；Miniature flexible provided by the embodiment of the utility model
The optical fiber 1 of needs is set in same microbeam pipe 300 by armouring direct-burried, pipeline optical cable, in the identical situation of 1 quantity of optical fiber
Under, the sectional area of microbeam pipe 300 is less than the sectional area that more Loose tubes 3 occupy, therefore, in the case where 1 quantity of optical fiber is equal,
The diameter of optical cable provided by the embodiment of the utility model is less than the diameter of optical cable in the related technology, reduces quality, reduces and account for
Use space.
Fiber unit uses microbeam pipe 300, it is ensured that optical cable is with high light fibre density and in the case where larger capacity, still
It can guarantee lesser outer diameter and lighter optical cable weight.
Further, the second water blocking layer 400 is made of dry type material water-proof material.
It need to be cleared up when the cable connection of factice for filling 5, then must use detergent, cable core and optical fiber 1 are carried out clearly
Wash, especially in operation, which had not only expended the time but also had polluted bad border, for the material water-proof material of dry type, construction personnel without
Need to clear up quickly and easily to take out optical fiber 1.For welding step, installation prepares, the time needed for cleaning
It can be obviously shortened.
In some embodiments, the second water blocking layer 400 is made of water-proofing powder or water blocking yarn, and in the present embodiment, second blocks water
Layer 400 is made of water blocking yarn.While the requirement for meeting optical cable water-blocking, facilitate the production of optical cable.
Further, the first water blocking layer 200 is made of dry type material water-proof material.
It is blocked water using the material water-proof material of dry type, construction personnel can quickly and easily take out optical fiber 1 without cleaning.For
For welding step, installation prepares to shorten with the time needed for cleaning.
In some embodiments, the first water blocking layer 200 is made of water-proofing powder or water blocking yarn, and in the present embodiment, first blocks water
Layer 200 is made of water blocking yarn.While the requirement for meeting optical cable water-blocking, facilitate the production of optical cable.
Further, stainless protection layer 500 is made of stainless steel flexible hose.
Using stainless steel flexible hose armouring, it is ensured that optical cable has excellent lateral pressure resistant performance.Using unique " seamless " technique,
Gap between adjacent segment is smaller, can effectively prevent the contraction problem of sheath 700.Meanwhile hose armoured process can guarantee
Optical cable has good flexibility.
The performance that stainless steel flexible hose has the performance for resisting external mechanical damage and prevents soil corrosion, to microbeam pipe 300
It plays a protective role, in addition, the gap between the adjacent segment of stainless steel flexible hose is smaller, reduces the close to each other or remote of adjacent segments end
From move distance, reduce each segment and sheath 700 driven to move, to prevent sheath 700 from shrinking.
Further, enhancement layer 600 is made of aramid fiber.
Aramid fiber is a kind of novel high-tech synthetic fibers, has superhigh intensity, high-modulus, high temperature resistant, acid-fast alkali-proof, weight
Gently, the excellent performances such as insulation, anti-aging and life cycle length, it is anti-to be widely used in composite material, ballistic-resistant article, building materials, special type
Protect the fields such as clothes, electronic equipment.Aramid fiber is set outside stainless steel flexible hose, can make optical cable that there is good tensile property.
Further, sheath 700 is made of polythene material.
Polyethylene has excellent resistance to low temperature, and chemical stability is good, is resistant to the erosion of most of soda acids, under room temperature not
It is dissolved in common solvent, water imbibition is small, and electrical insulating property is excellent, plays a protective role to the internal structure of optical cable, it is ensured that optical cable can
It is applied in buried and pipeline environment.
In some embodiments, microbeam pipe 300 is made of low smoke halogen-free flame-retardant polyolefin.
The ageing-resistant performance of low-smoke halide-free fireproof composite polyolefine material is excellent, while having high flame resistance, can be improved electricity
The anti-flammability of line entirety.
In other embodiments, microbeam pipe 300 is made of thermoplastic elastomer (TPE).
Thermoplastic elastomer (TPE) is also known as artificial rubber or synthetic rubber.Its product had both had the high-elastic of traditional cross-linking vulcanized rubber
Property, the every excellent properties of ageing-resistant and oil resistivity, to playing a protective role inside optical fiber 1, can not be by auxiliary tool the case where
700 layers of 300 sheath of microbeam pipe of lower manually removing is without damaging optical fiber 1.
The technique for producing above-described embodiment optical cable includes: the coloring of optical fiber 1, micro-pipe process, hose armouring and 700 work of sheath
Sequence.The diameter of the optical cable of production is less than the diameter of optical cable in the related technology, reduces quality, reduces occupied space.
The optical fiber of needs 1 is put in storage first, then optical fiber 1 is coloured；
Then micro-pipe process is carried out, specifically, the multifiber 1 of needs is penetrated microbeam pipe 300；
Then the operation of hose armouring is carried out, stainless steel flexible hose is sheathed on to the outside of the second water blocking layer 400；
Then carry out 700 process of sheath, sheath 700 is wrapped in the outside of enhancement layer 600, specifically, sheath 700 and plus
Strong layer 600 is press-connected by double-layer coextrusion electric wire extruder, can be guaranteed gapless between sheath 700 and enhancement layer 600, be kept away
The property exempted to mix the impurity such as dust, moisture or gas between sheath 700 and enhancement layer 600 in process of production and influenced electric wire
Can, keep properties of optical fiber cable more stable；
Then the finished product of production is detected, qualified finished product is packed, is put in storage, for needing the product of outbound
Carry out outbound detection.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of miniature flexible armouring direct-burried, pipeline optical cable characterized by comprising optical fiber, the first water blocking layer, microbeam pipe,
Second water blocking layer, stainless protection layer, enhancement layer and sheath；
The quantity of the optical fiber is more, and the microbeam pipe sleeve is set to the more outer fibers, and first water blocking layer is set to
Between the optical fiber and the microbeam pipe, second water blocking layer is wrapped in the outside of the microbeam pipe, the stainless steel protection
Layer is wrapped in the outside of the second water blocking layer, and the stainless protection layer, the enhancement layer and the sheath successively wrap from inside to outside
Wrap up in setting.
2. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that described second blocks water
Layer is made of dry type material water-proof material.
3. miniature flexible armouring direct-burried according to claim 2, pipeline optical cable, which is characterized in that described second blocks water
Layer is made of water blocking yarn.
4. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that described first blocks water
Layer is made of dry type material water-proof material.
5. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that described first blocks water
Layer is made of water blocking yarn.
6. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that the stainless steel is protected
Sheath is made of stainless steel flexible hose.
7. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that the enhancement layer by
Aramid fiber is made.
8. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that the sheath is by gathering
Vinyl material is made.
9. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that the microbeam pipe by
Low smoke halogen-free flame-retardant polyolefin is made.
10. miniature flexible armouring direct-burried according to claim 1, pipeline optical cable, which is characterized in that the microbeam pipe by
Thermoplastic elastomer (TPE) is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993511.1U CN208421342U (en) | 2018-06-26 | 2018-06-26 | A kind of miniature flexible armouring direct-burried, pipeline optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993511.1U CN208421342U (en) | 2018-06-26 | 2018-06-26 | A kind of miniature flexible armouring direct-burried, pipeline optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN208421342U true CN208421342U (en) | 2019-01-22 |
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| CN201820993511.1U Expired - Fee Related CN208421342U (en) | 2018-06-26 | 2018-06-26 | A kind of miniature flexible armouring direct-burried, pipeline optical cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761688A (en) * | 2018-06-26 | 2018-11-06 | 江苏亨通光电股份有限公司 | A kind of miniature flexible armouring direct-burried, pipeline optical cable and optical cable production technology |
| CN109917527A (en) * | 2019-03-18 | 2019-06-21 | 深圳市特发信息光电技术有限公司 | A kind of miniature high intensity resists micro-bend stainless steel tube armored optical cable and its processing technology |
-
2018
- 2018-06-26 CN CN201820993511.1U patent/CN208421342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761688A (en) * | 2018-06-26 | 2018-11-06 | 江苏亨通光电股份有限公司 | A kind of miniature flexible armouring direct-burried, pipeline optical cable and optical cable production technology |
| CN109917527A (en) * | 2019-03-18 | 2019-06-21 | 深圳市特发信息光电技术有限公司 | A kind of miniature high intensity resists micro-bend stainless steel tube armored optical cable and its processing technology |
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