CN106054335B - Superminiature assist type air-blowing optical cable and air-blowing cabling technique - Google Patents
Superminiature assist type air-blowing optical cable and air-blowing cabling technique Download PDFInfo
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- CN106054335B CN106054335B CN201610599585.2A CN201610599585A CN106054335B CN 106054335 B CN106054335 B CN 106054335B CN 201610599585 A CN201610599585 A CN 201610599585A CN 106054335 B CN106054335 B CN 106054335B
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- blowing
- optical cable
- superminiature
- silicone pipes
- cable
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4434—Central member to take up tensile loads
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4438—Means specially adapted for strengthening or protecting the cables for facilitating insertion by fluid drag in ducts or capillaries
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electric Cable Installation (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention relates to a kind of superminiature assist type air-blowing optical cable and air-blowing cabling techniques, optical cable includes: that at least there are two Loose tubes, several optical fiber are enclosed in the Loose tube, fiber paste is filled in the Loose tube, oversheath is arranged with outside Loose tube, the outside wall circular of the oversheath is provided with several jagged teeth, and the end of the teeth free end is provided with conductive layer, and the conductive layer is for generating heat under electromagnetic radiation.Cabling technique is as follows: blowing cable machine and silicone pipes locate below ground level, and blow cable machine connection silicone pipes one end, more than ground it is additionally provided with high-frequency electromagnetic heating device, cable machine is blown optical cable is sent into silicone pipes by being blown into high pressure draught, high-frequency electromagnetic heating device is moved along the direction that silicone pipes extend simultaneously, and electromagnetic radiation is carried out towards silicone pipes, the silica gel inside pipe wall is coated with lubricant.
Description
Technical field
The present invention relates to a kind of Novel optical cable more particularly to a kind of superminiature assist type air-blowing optical cable and air-blowing cabling works
Skill.
Background technique
Air-blowing minisize optical cable products application is in extensive range, can be used for long distance line network, is also applied for Metropolitan Area Network (MAN) and connects
All sections to network, are more suitable for optical distribution cable section below.Telecom operation can be made using air-blowing Microtubule micro cable technology
Quotient is effectively reduced construction cost during network upgrade and transition from now on.It is well known that setting in air-blowing micro-cable micro-pipe
In meter, the matching degree and its outer diameter of micro- cable and micro-pipe will generate large effect to air-blowing distance, and then influence entire work
The construction cost of journey.Therefore we are it is necessary to develop a kind of novel small size micro air-blowing micro-cable, by reducing micro- cable size
Engineering construction cost is reduced, while improving its air-blowing performance.
With the increase of common carrier Network Coverage Density, pipeline resource is increasingly in short supply to become urgent problem.
The outer diameter of air-blowing micro-cable can be obviously reduced by the use of new material and the control of technique in superminiature air-blowing optical cable product, and
Its mechanical performance is improved, the utilization rate of pipeline resource is effectively improved, provides effective reliable solution for integration of three networks construction,
And meet requirement of the operator for product cost, promote the development of telecommunications.
Optical cable air-blown installation method is that optical cable is blown to the silicone pipes for being put into pre-plugged in such a way that high pressure draught blows
In.It blows cable machine and high pressure, the compressed air of high speed is blown into silicone pipes, high pressure draught pushes sealing gland piston, is connected to optical cable in this way
The sealing gland piston of end forms a uniform pulling force that can be set to optical cable and blows cable machine hydraulic track conveyer at the same time
Structure holds optical cable and is fed forward to form a conveying capacity, and the combination of pulling force and conveying capacity makes the optical cable penetrated with high-speed flow
It is quickly walked in pipeline with suspended state together.Communication trunk cable run is to develop the formula that becomes.
The difficulty for needing to reduce air-blowing cabling keeps air-blowing cabling process more smoothly quick, especially winter environment temperature
Under the conditions of lower, or itself is in more cold area, the biggish feelings of air-blowing process frictional force between optical cable and pipeline
Under condition, stucking phenomena is targetedly solved, needs to carry out technological innovation for existing cable configuration and cabling technique.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of simple superminiature assist type air-blowing optical cable of structure.
In order to achieve the above objectives, a kind of technical solution that the present invention uses are as follows: a kind of superminiature assist type air-blowing optical cable, packet
It includes: at least there are two Loose tube, several optical fiber is enclosed in the Loose tube, fiber paste is filled in the Loose tube, it is special
Sign is, is arranged with oversheath outside Loose tube, the outside wall circular of the oversheath is provided with several jagged teeth, institute
The end for stating teeth free end is provided with conductive layer, and the conductive layer is for generating heat under electromagnetic radiation.
In a preferred embodiment of the present invention, the trapezoidal shape in the cross section of the teeth.
It further include center reinforcemen in a preferred embodiment of the present invention, more Loose tubes are logical around center reinforcemen
It crosses S twirl or Z twirl is twisted into cable core, cable core is outer to be wrapped in by oversheath.
In a preferred embodiment of the present invention, cable cream is also filled in the oversheath.
In a preferred embodiment of the present invention, the conductive layer is metal layer.
In a preferred embodiment of the present invention, the conductive layer is graphite dopping layer.
In a preferred embodiment of the present invention, the conductive layer is that carbon fibre resin glue joins layer.
The another technical solution that the present invention uses are as follows: a kind of air-blowing cabling technique of superminiature assist type air-blowing optical cable,
It blows cable machine and silicone pipes locates below ground level, and blow cable machine connection silicone pipes one end, more than ground be additionally provided with high-frequency electromagnetic and add
Thermal, it is characterised in that: blow cable machine and optical cable is sent into silicone pipes by being blown into high pressure draught, while high-frequency electromagnetic heats
Device is moved along the direction that silicone pipes extend, and carries out electromagnetic radiation towards silicone pipes, and the silica gel inside pipe wall is coated with lubricant.
In a preferred embodiment of the present invention, the lubricant is lubricating oil.
The invention solves the defect existing in the background technology, and the present invention has following the utility model has the advantages that using the present invention
When, Loose tube is done using small diameter fiber and special plastics, reduces cable outer diameter and smooth round oversheath is improved to table
Face teeth type oversheath, hence it is evident that the air-blowing performance for improving micro- cable increases the density of optic fibre in communication pipe, is existing communication
The dilatation of network and construction witched-capacity network provide inexpensive solution, and the additional attenuation of optical fiber also obviously drops after laying
It is low.The advantages that present invention has structure simple, and setting is reasonable, low manufacture cost, zigzag structure reduces optical cable and silicone pipes
Friction area between inner wall, reduces frictional force to a certain extent.
By that the radiation of electromagnetic wave can occur by high-frequency electromagnetic heating device in setting conductive layer, and penetrate
Ground and silicone pipes make conductive layer spontaneous heating；The temperature between conductive layer and silicone pipes between contact surface can be improved in fever, special
It is not the temperature of lubricating oil, improves lubricant effect to a certain extent, reduces rubbing between optical cable outer wall and silicone pipes inner wall
Resistance is wiped, is that air-blowing effect is further enhanced.
Under the conditions of the environment temperature of cabling is lower, under the conditions of especially temperature is lower in winter, air-blowing cabling may
Because of temperature reason, the lubricant effect of lubricating oil is reduced, air-blowing cabling need to overcome the frictional force between optical cable and silicone pipes compared with
Greatly, in such a way that electromagnetic radiation is heated, the temperature of conductive layer can be effectively improved, such heating method will not be to optical cable sheet
Body causes to damage, and heats the temperature-controllable of deduction, and heating can be through deeper ground, using non-contact thermal mode,
It provides a kind of completely new heating method to reduce frictional force, realizes below ground position registration and heat
Mode.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples；
Fig. 1 is the cross-sectional structure schematic diagram of the preferred embodiment of the present invention；
In figure: 1, optical fiber；2, fiber paste；3, center reinforcemen；4, Loose tube；5, cable cream；6, oversheath, 7, conductive layer.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of technical solution that the present invention uses are as follows: a kind of superminiature assist type air-blowing optical cable, comprising: extremely
It is few there are two Loose tube 4, be enclosed with several optical fiber 1 in Loose tube 4, fiber paste 2 be filled in Loose tube 4, is arranged outside Loose tube 4
There is oversheath 6, the outside wall circular of oversheath 6 is provided with several jagged teeth, and the end of teeth free end is provided with
Conductive layer 7, conductive layer 7 is for generating heat under electromagnetic radiation.The trapezoidal shape in the cross section of teeth.
Optical cable further includes center reinforcemen 3, and more Loose tubes 4 are twisted around center reinforcemen 3 by S or Z twirl is twisted into
Cable core, cable core is outer to be wrapped in by oversheath 6, and cable cream 5 is also filled in oversheath 6.
Conductive layer 7 is metal layer or conductive layer 7 is graphite dopping layer or conductive layer 7 is carbon fibre resin glue connection layer.It leads
The electromagnetic radiation that the conductive layer of electric material can be generated by high-frequency electromagnetic heating device is heated, if conductive layer is metal layer,
Its specific structure should be sheet metal especially metal copper sheet, and one layer of resin of its external sheath or rubber layer prevent sheet metal
Tube wall is caused to scratch during air-blowing；It is specially to be adulterated in resin material material if conductive layer is graphite dopping layer
There are graphite particle or powdered graphite, due to the electric conductivity of graphite, can be heated by electromagnetic radiation mode；If conductive
Layer is that carbon fibre resin glue joins layer, and specific structure is to be formed after carbon fiber stratum reticulare and resin layer stack gradually several layers, due to
The electric conductivity that carbon fiber has can be heated by electromagnetic radiation mode.
Under the conditions of the environment temperature of cabling is lower, under the conditions of especially temperature is lower in winter, air-blowing cabling may
Because of temperature reason, the lubricant effect of lubricating oil is reduced, air-blowing cabling need to overcome the frictional force between optical cable and silicone pipes compared with
Greatly, in such a way that electromagnetic radiation is heated, the temperature of conductive layer can be effectively improved, such heating method will not be to optical cable sheet
Body causes to damage, and heats the temperature-controllable of deduction, and heating can be through deeper ground, using non-contact thermal mode,
It provides a kind of completely new heating method to reduce frictional force, realizes below ground position registration and heat
Mode.
The another technical solution that the present invention uses are as follows: a kind of air-blowing cabling technique of superminiature assist type air-blowing optical cable,
It blows cable machine and silicone pipes locates below ground level, and blow cable machine connection silicone pipes one end, more than ground be additionally provided with high-frequency electromagnetic and add
Thermal blows cable machine and optical cable is sent into silicone pipes by being blown into high pressure draught, while high-frequency electromagnetic heating device is along silicon core
The direction movement that pipe extends, and electromagnetic radiation is carried out towards silicone pipes, silica gel inside pipe wall is coated with lubricating oil.
In using the present invention, Loose tube 4 is done using small diameter fiber 1 and special plastics, reduce cable outer diameter and by light
Sliding round oversheath 6 is improved to surface teeth type oversheath 6, hence it is evident that the air-blowing performance for improving micro- cable increases communication tube
1 density of optical fiber in road provides inexpensive solution for the dilatation and construction witched-capacity network of existing communication network, is laid with
The additional attenuation of optical fiber 1 is significantly reduced afterwards.The advantages that present invention has structure simple, and setting is reasonable, low manufacture cost, sawtooth
Shape structure reduces the friction area between optical cable and silicone pipes inner wall, reduces frictional force to a certain extent.
By that the radiation of electromagnetic wave can occur by high-frequency electromagnetic heating device in setting conductive layer 7, and penetrate
Ground and silicone pipes make 7 spontaneous heating of conductive layer；The temperature between conductive layer 7 and silicone pipes between contact surface can be improved in fever,
The especially temperature of lubricating oil, improves lubricant effect to a certain extent, reduces between optical cable outer wall and silicone pipes inner wall
Frictional resistance is that air-blowing effect is further enhanced.
High-frequency electromagnetic heating device is provided with the electromagnetic coil of connection power supply, blows cable machine and is connected with air compressor.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (9)
1. a kind of superminiature assist type air-blowing optical cable, comprising: at least there are two Loose tube, be enclosed with several in the Loose tube
Optical fiber, the Loose tube is interior to be filled with fiber paste, which is characterized in that oversheath, the outside of the oversheath are arranged with outside Loose tube
Wall circular is provided with several jagged teeth, and the end of the teeth free end is provided with conductive layer, and the conductive layer is used
In generating heat under electromagnetic radiation.
2. superminiature assist type air-blowing optical cable according to claim 1, it is characterised in that: the cross section of the teeth is in ladder
Shape.
3. superminiature assist type air-blowing optical cable according to claim 1, it is characterised in that: it further include center reinforcemen, it is more
Root Loose tube is twisted around center reinforcemen by S or Z twirl is twisted into cable core, and cable core is outer to be wrapped in by oversheath.
4. superminiature assist type air-blowing optical cable according to claim 1, it is characterised in that: be also filled in the oversheath
Cable cream.
5. superminiature assist type air-blowing optical cable according to claim 1, it is characterised in that: the conductive layer is metal layer.
6. superminiature assist type air-blowing optical cable according to claim 1, it is characterised in that: the conductive layer is graphite dopping
Layer.
7. superminiature assist type air-blowing optical cable according to claim 1, it is characterised in that: the conductive layer is carbon fiber tree
Rouge glue joins layer.
8. a kind of air-blowing cabling technique of optical cable as described in claim 1, blows cable machine and silicone pipes locates below ground level, and blow cable
Machine is connected to silicone pipes one end, more than ground is additionally provided with high-frequency electromagnetic heating device, it is characterised in that: blow cable machine by being blown into height
Optical cable is sent into silicone pipes by pressure gas stream, while high-frequency electromagnetic heating device is moved along the direction that silicone pipes extend, and direction
Silicone pipes carry out electromagnetic radiation, and the silicone pipes inner wall is coated with lubricant.
9. cabling technique according to claim 8, it is characterised in that: the lubricant is lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599585.2A CN106054335B (en) | 2016-07-27 | 2016-07-27 | Superminiature assist type air-blowing optical cable and air-blowing cabling technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599585.2A CN106054335B (en) | 2016-07-27 | 2016-07-27 | Superminiature assist type air-blowing optical cable and air-blowing cabling technique |
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| Publication Number | Publication Date |
|---|---|
| CN106054335A CN106054335A (en) | 2016-10-26 |
| CN106054335B true CN106054335B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610599585.2A Active CN106054335B (en) | 2016-07-27 | 2016-07-27 | Superminiature assist type air-blowing optical cable and air-blowing cabling technique |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109581604B (en) * | 2018-12-26 | 2020-03-03 | 中航森瑞武汉新材料有限公司 | Multi-channel optical cable bundling tube |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202939337U (en) * | 2012-11-14 | 2013-05-15 | 中天日立光缆有限公司 | Winding type heating cable for ice melting of optical fiber composite overhead ground wire |
| CN203786354U (en) * | 2014-03-25 | 2014-08-20 | 江苏宏图高科技股份有限公司 | Ice melting type self-supporting aerial optical cable |
| CN104616800A (en) * | 2015-02-03 | 2015-05-13 | 贵州星天电线电缆有限公司 | Heating type diameter-expansion fiber combined aluminum alloy overhead conductor |
| CN105119227A (en) * | 2015-04-28 | 2015-12-02 | 中国电力科学研究院 | OPGW DC ice-melting system |
-
2016
- 2016-07-27 CN CN201610599585.2A patent/CN106054335B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202939337U (en) * | 2012-11-14 | 2013-05-15 | 中天日立光缆有限公司 | Winding type heating cable for ice melting of optical fiber composite overhead ground wire |
| CN203786354U (en) * | 2014-03-25 | 2014-08-20 | 江苏宏图高科技股份有限公司 | Ice melting type self-supporting aerial optical cable |
| CN104616800A (en) * | 2015-02-03 | 2015-05-13 | 贵州星天电线电缆有限公司 | Heating type diameter-expansion fiber combined aluminum alloy overhead conductor |
| CN105119227A (en) * | 2015-04-28 | 2015-12-02 | 中国电力科学研究院 | OPGW DC ice-melting system |
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| CN106054335A (en) | 2016-10-26 |
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