CN103149650A - Underwater special type wire cable and optical unit structure thereof - Google Patents
Underwater special type wire cable and optical unit structure thereof Download PDFInfo
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- CN103149650A CN103149650A CN2011104028163A CN201110402816A CN103149650A CN 103149650 A CN103149650 A CN 103149650A CN 2011104028163 A CN2011104028163 A CN 2011104028163A CN 201110402816 A CN201110402816 A CN 201110402816A CN 103149650 A CN103149650 A CN 103149650A
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Abstract
The invention relates to an underwater special type wire cable and an optical unit structure (2) thereof, wherein the optical unit structure (2) comprises a plurality of tightly packaged optical fibers (8), a protective tube (9) for wrapping the tightly packaged optical fibers (8), and an optical unit protective sleeve (10) wrapped outside the protective tube (9). The protective tube (9) is a spring steel tube formed by a spring steel band in a lapping mode spirally. According to the structure, a procedure of grease filling can be eliminated, a connection step of bare optical fibers and the tightly packaged optical fibers is eliminated, and therefore an optical fiber connector device is eliminated, and connector box space is saved. Connection of the optical fibers is convenient, the spring steel tube formed by the spring steel band in the lapping mode spirally is more flexible than a high-strength stainless steel tube, and therefore enough tensile strength and compressive strength are provided, and meanwhile good bending performance can be obtained.
Description
Technical field
The present invention relates to the cable field, relate in particular to a kind of special cables under water and light cellular construction thereof.
Background technology
Existing special cables under water is usually by forming with lower member: electric unit, light unit, armor, sheath etc.Light unit in special cables is the most important carrier of communications under water, and the light unit has one or more.Optical fiber is suspended in the thixotropic ointment, and ointment not only can block water but also can make fiber position keep stable, can keep the stability of optical attenuation simultaneously under various machineries, environmental baseline.Optical fiber protective tube is generally high strength stainless steel pipe, has very high lateral pressure resistant ability and antiseptic power.Wrap one around steel pipe to two-layer steel wire, to strengthen the tensile strength of optical cable.Steel wire is outer by sheath, play buffering external force, anticorrosion, make the optical cable rounding, adjust the effects such as size.Due to special cables maintenance difficult under water, the reason such as environment for use is special, special cables requires to have higher stability and long serviceable life under water.At present the optical fiber in special cables light unit is bare fibre under water, can not directly be connected with connector, needs elder generation and wire jumper to be connected in special piecing devices, takes up room larger, and is also inconvenient.
Given this, be necessary to provide a kind of new special cables under water to solve the problems of the technologies described above.
Summary of the invention
Shortcoming in view of above-mentioned prior art, a kind of special cables under water and light cellular construction thereof have been the object of the present invention is to provide, when enough tensile strength and compressive strength are provided, can obtain good bending property, be conducive to continuing and constructing of special cables under water.
Reach for achieving the above object other relevant purposes, the technical solution used in the present invention is as follows: a kind of smooth cellular construction, and it comprises some tightly packaged fibers, wrap up the protection tube of this tightly packaged fiber and be wrapped in the outer light unit sheath of this protection tube; Described protection tube is for to be the wrapped elasticity steel pipe that forms of screw type by flexible strip.
Described flexible strip is spring steel band.
Preferably, described flexible strip outside braiding layer of steel wire.
Preferably, outside described flexible strip, one deck aramid fiber enhancement Layer is arranged.
Preferably, described flexible strip weaves layer of steel wire outward, and one deck aramid fiber enhancement Layer is arranged outside steel wire.
Preferably, described optical fiber is the six roots of sensation.Preferably, described smooth unit sheath material is plastics.
Preferably, described smooth unit sheath has the wire armoring layer outward, and this wire armoring layer coated outside has the second oversheath.
The present invention also provides a kind of special cables under water, inner sheath, the armor of the described inner sheath of parcel and first oversheath that wraps up armor of this filling material in the middle of special cables comprises under water, the ring texture that forms around the some described electric unit of this centre filling material and at least one light cellular construction, the described electric unit of parcel and light cellular construction.
Preferably, described special cables under water also comprises the some gasket for packings between described ring texture and inner sheath.
Compared to the prior art, advantage of the present invention is that optical fiber is easy to connect, take up room little, save the operation of factice for filling, and it is more soft than high strength stainless steel pipe to be the wrapped elasticity steel pipe that forms of screw type by flexible strip, therefore when enough tensile strength and compressive strength is provided, can obtain good bending property, be conducive to continuing and constructing of special cables under water.
Description of drawings
Fig. 1 is light cellular construction schematic diagram of the present invention.
Fig. 2 is the present invention's special cables cross-sectional structure schematic diagram under water.
The component symbol explanation
Light cellular construction 2
Gasket for packing 3
Armor 5
Oversheath 6
Middle filling material 7
Tightly packaged fiber 8
Spring steel pipe 9
Light unit sheath 10
Embodiment
See also Fig. 1 to Fig. 2.Notice, the appended graphic structure that illustrates of this instructions, ratio, size etc., equal contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, be not to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the purpose that can reach, all should still drop on disclosed technology contents and get in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the present invention.
Light cellular construction schematic diagram as shown in Figure 1, described smooth cellular construction 2 comprise some tightly packaged fibers 8, wrap up the protection tube 9 of this tightly packaged fiber 8 and be wrapped in the outer light unit sheath 10 of this protection tube 9; Described protection tube 9 is for being the wrapped elasticity steel pipe that forms of screw type (the spring steel pipe that spring steel band forms) by flexible strip (preferred spring steel band).Described tightly packaged fiber 8 is preferably the six roots of sensation.
In order further to improve performance, can weave layer of steel wire outside the elasticity steel pipe, then at steel wire outer wrapping one deck aramid fiber enhancement Layer.Also can be only at elasticity steel pipe outer wrapping one deck aramid fiber enhancement Layer.
during preparation, optical fiber in the light cellular construction adopts tightly packaged fiber, single mode or multimode optical fiber with the secondary coated structure of tight cover are called tight tube fiber or tightly packaged fiber, that manufacturings such as the upper direct secondary coating material (PVC/PVDF/LSZH/Hytrel/PA) of primary coating fiber (UV optical fiber) at bare fibre form, the external diameter nominal of tight tube fiber is generally two kinds of 0.6mm and 0.9mm, it is the primary element of making various inside cables, also can use separately, the tight tube fiber of secondary coated various materials can directly be done tail optical fiber, be used for the connection of the active or passive device of all kinds of light, instrument is connected connection etc. with terminal device.
The spring steel pipe is as the tightly packaged fiber protection tube, and this spring steel pipe is by spring steel band that screw type is wrapped to be formed, and squeezes one deck plastic layer as water barrier and protective seam outside the spring steel pipe.
Be no less than layer of steel wire in order further to improve performance, can twist plastic layer outside, play a part further strengthen and protect, outside steel wire more crowded one deck plastics as the second oversheath.Sheath material can be selected high density polyethylene (HDPE).
See also shown in Figure 2, the present invention also provides a kind of special cables under water, inner sheath 4, the armor 5 of the described inner sheath 4 of parcel and the oversheath 6 that wraps up armor 5 of this gasket for packing 7 in the middle of special cables comprises under water, the ring texture that forms around the some described electric unit 1 of this centre gasket for packing 7 and at least one light cellular construction 2, the described electric unit 1 of parcel and light cellular construction 2.The ring texture that described several electric units 1 and light cellular construction 2 form filling material 7 in the middle of clamp tightly, described filling material can be gasket for packing, electric unit or light unit.In the present embodiment, electric unit is 8, and the light cellular construction is 1.
Described special cables under water also comprises the some gasket for packings 3 between described ring texture and inner sheath 4.The material of described gasket for packing can be polypropylene.Jacket material can be selected high density polyethylene (HDPE).
When adopting the wrapped structure of steel band, the optical fiber of the inside adopts tightly packaged fiber, and this root optical fiber needs be connected with terminal device, because terminal device generally adopts tightly packaged fiber, soft, especially when extra large cable adopted tightly packaged fiber, terminal device need not to adopt the loose tube structure of factice for filling.Connect the fine joint of a light requirement between tightly packaged fiber and tightly packaged fiber, joint is very little.
Compared to the prior art, advantage of the present invention is that optical fiber is easy to connect, take up room little, save the operation of factice for filling, and it is more soft than high strength stainless steel pipe to be the wrapped spring steel pipe that forms of screw type by spring steel band, therefore when enough tensile strength and compressive strength is provided, can obtain good bending property, be conducive to continuing and constructing of special cables under water.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any person skilled in the art scholar all can under spirit of the present invention and category, modify or change above-described embodiment.Therefore, have in technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of completing under disclosed spirit and technological thought, must be contained by claim of the present invention.
Claims (10)
1. a light cellular construction (2) is characterized in that: described smooth cellular construction (2) comprises some tightly packaged fibers (8), wraps up the protection tube (9) of this tightly packaged fiber (8) and is wrapped in the outer light unit sheath (10) of this protection tube (9); Described protection tube (9) is for to be the wrapped elasticity steel pipe that forms of screw type by flexible strip.
2. smooth cellular construction according to claim 1 (2), it is characterized in that: described flexible strip is spring steel band.
3. smooth cellular construction according to claim 1 (2) is characterized in that: described optical fiber (8) is the six roots of sensation.
4. smooth cellular construction according to claim 1 (2), it is characterized in that: described smooth unit sheath (10) material is plastics.
5. smooth cellular construction according to claim 1 (2) is characterized in that: described smooth unit sheath (10) is outer the wire armoring layer, and this wire armoring layer coated outside has the second oversheath.
6. smooth cellular construction according to claim 1 (2), is characterized in that: the outer braiding of described protection tube (9) layer of steel wire.
7. smooth cellular construction according to claim 6 (2), is characterized in that: described steel wire outer wrapping one deck aramid fiber enhancement Layer.
8. smooth cellular construction according to claim 1 (2), is characterized in that: described protection tube (9) outer wrapping one deck aramid fiber enhancement Layer.
9. a right to use requires the special cables under water of 1 to the 8 described smooth cellular construction of any one (2), it is characterized in that: this under water special cables further comprise in the middle of filling material (7), some described electric unit (1) and at least one light cellular construction (2) around this centre filling material (7), wrap up the inner sheath (4) of the ring texture of described electric unit (1) and light cellular construction (2) formation, wrap up the armor (5) of described inner sheath (4) and first oversheath (6) of parcel armor (5).
10. special cables under water according to claim 9, it is characterized in that: described special cables under water also comprises the some gasket for packings (3) that are positioned between described ring texture and inner sheath (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104028163A CN103149650A (en) | 2011-12-07 | 2011-12-07 | Underwater special type wire cable and optical unit structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104028163A CN103149650A (en) | 2011-12-07 | 2011-12-07 | Underwater special type wire cable and optical unit structure thereof |
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| CN103149650A true CN103149650A (en) | 2013-06-12 |
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| CN2011104028163A Pending CN103149650A (en) | 2011-12-07 | 2011-12-07 | Underwater special type wire cable and optical unit structure thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456410A (en) * | 2013-09-22 | 2013-12-18 | 南京全信传输科技股份有限公司 | Low smoke halogen-free flame retardant photoelectric composite cable for ships and manufacturing method thereof |
| CN104880791A (en) * | 2015-05-29 | 2015-09-02 | 成都亨通光通信有限公司 | Center tubular type band-shaped optical cable |
| CN105911660A (en) * | 2016-06-24 | 2016-08-31 | 江苏亨通光电股份有限公司 | Ship-used optical cable and corresponding manufacturing method thereof |
| CN106356148A (en) * | 2016-10-25 | 2017-01-25 | 常熟共益信息科技有限公司 | Simple structure mould for manufacturing spring armor layer |
| CN107869937A (en) * | 2016-09-27 | 2018-04-03 | 福州高意光学有限公司 | A kind of optical fiber tape measure |
| CN109541765A (en) * | 2017-09-22 | 2019-03-29 | 中航光电科技股份有限公司 | A kind of optical fiber and the optical cable using the optical fiber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051165Y (en) * | 2007-04-10 | 2008-04-23 | 高文 | Military multi-purpose light coated optical cable |
| CN201917416U (en) * | 2010-11-16 | 2011-08-03 | 江苏通光光电子有限公司 | Micro light transmitting and sensing unit and embedded application product thereof |
-
2011
- 2011-12-07 CN CN2011104028163A patent/CN103149650A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051165Y (en) * | 2007-04-10 | 2008-04-23 | 高文 | Military multi-purpose light coated optical cable |
| CN201917416U (en) * | 2010-11-16 | 2011-08-03 | 江苏通光光电子有限公司 | Micro light transmitting and sensing unit and embedded application product thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456410A (en) * | 2013-09-22 | 2013-12-18 | 南京全信传输科技股份有限公司 | Low smoke halogen-free flame retardant photoelectric composite cable for ships and manufacturing method thereof |
| CN104880791A (en) * | 2015-05-29 | 2015-09-02 | 成都亨通光通信有限公司 | Center tubular type band-shaped optical cable |
| CN105911660A (en) * | 2016-06-24 | 2016-08-31 | 江苏亨通光电股份有限公司 | Ship-used optical cable and corresponding manufacturing method thereof |
| CN107869937A (en) * | 2016-09-27 | 2018-04-03 | 福州高意光学有限公司 | A kind of optical fiber tape measure |
| CN106356148A (en) * | 2016-10-25 | 2017-01-25 | 常熟共益信息科技有限公司 | Simple structure mould for manufacturing spring armor layer |
| CN109541765A (en) * | 2017-09-22 | 2019-03-29 | 中航光电科技股份有限公司 | A kind of optical fiber and the optical cable using the optical fiber |
| CN109541765B (en) * | 2017-09-22 | 2021-07-30 | 中航光电科技股份有限公司 | Optical fiber and optical cable using same |
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Application publication date: 20130612 |