CN101692136B - Overlength optical fiber unit and manufacturing method thereof - Google Patents
Overlength optical fiber unit and manufacturing method thereof Download PDFInfo
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- CN101692136B CN101692136B CN2009100362270A CN200910036227A CN101692136B CN 101692136 B CN101692136 B CN 101692136B CN 2009100362270 A CN2009100362270 A CN 2009100362270A CN 200910036227 A CN200910036227 A CN 200910036227A CN 101692136 B CN101692136 B CN 101692136B
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Abstract
The invention relates to an overlength optical fiber unit and a manufacturing method thereof, relating to the core part and key technology for producing submarine cable with large length, and the overlength optical fiber unit is applied to marine information transmission. The overlength optical fiber unit comprises a stainless steel tube, a full color spectrum marine optical fiber and high viscosity hydrogen evolution fiber paste; the stainless steel tube is formed by molding welding and shielding stainless steel bands, is led-in with the full color spectrum marine optical fiber and filled with the high viscosity hydrogen evolution fiber paste. The manufacturing method comprises: (1) coloring the screened optical fiber with full color spectrum in a circling way to make into a full color spectrum marine optical fiber; (2) adopting multi-head active unreeling; (3) slitting and welding the stainless steel bands; (4) using a fiber guiding pin to lead in the full color spectrum marine optical fiber and the high viscosity hydrogen evolution fiber paste simultaneously; (5) cold-drawing the welded stainless steel tube by a mold for deformation; (6) applying tension on the stainless steel tube; and (7) dragging the stainless steel optical fiber unit after drawing formation to a winding-up stand through a dragger, and winding onto a wire disc of 1800mm to manufacture into the overlength optical fiber unit.
Description
Technical field
What overlength optical fiber unit of the present invention and manufacturing approach thereof related to is the core and the gordian technique of production length sea cable.That overlength optical fiber unit of the present invention can be applicable between ocean, offshore platform, Lu Dao, the island, island is quick, stable, the information transmission of high capacity, safety.
Background technology
Recently year, constantly develop with marine economy, the overocean communications exchange is constantly strengthened, optical cable, microwave, satellite communication that past is traditional because its capacity is little, speed slowly, poor anti jamming capability, can not satisfy information transmission.A past optical cable dish length has only several kilometers usually again, and the fiber unit that is used for extra large cable also has only 10-20km; The centre is continued many, causes power loss big, jitter, fault is many, cost is high, construction is complicated, difficult in maintenance; Hinder information interchange, the restriction economic development.Surpassing 50km at present is overlength optical fiber unit just, does not also have other enterprises to produce.
Summary of the invention
The present invention be directed to above-mentioned weak point; A kind of overlength optical fiber unit and the manufacturing approach thereof that provide adopt manufacturing approach of the present invention can make the 50-120km overlength optical fiber unit, give security for realizing the cable manufacturing of length sea; Reduce relaying and continue; Thereby the minimizing power loss reduces cost, convenient construction and maintenance, and high capacity, stable, anti-interference, safe and reliable information transmission are provided.
Overlength degree fiber unit and manufacturing approach thereof take following scheme to realize:
Overlength optical fiber unit comprises stainless-steel tube, whole chromatogram sea cable special optic fibre and the fine cream of high viscosity hydrogen evolution; Stainless steel band (304L), moulding welding armouring becomes stainless-steel tube, imports whole chromatogram sea cable special optic fibre, completely fills the fine cream of high viscosity hydrogen evolution.Described fiber unit external diameter is ￠ 2.5-4.5mm, and the fibre core of fiber unit is a 2-144 root whole chromatogram sea cable special optic fibre, and fiber unit length is 50-120km.
The manufacturing approach of overlength optical fiber unit is following:
1, according to the length of fiber unit according to 1: the ratio of 1.05-1.1 is carried out the optical fiber manufacturing; Hightension through 100-150g screens again; It is painted that the optical fiber of screening is carried out the whole chromatogram looper, guarantees solidification effect and the winding displacement quality of optical fiber, processes the extra large cable special optic fibre of whole chromatogram.
2, adopt initiatively unwrapping wire of bull, multipotency holds 144 whole chromatograms sea cable special optic fibres simultaneously, and tension force 30-120g is adjustable arbitrarily, and system controlled by computer makes every bearing optical fiber equal tension, guarantees the uniformity consistency of surplus length.
3, select stainless steel band for use than the required wide 2-3mm of moulding; Remove the both sides redundance through cutting, can reduce stainless steel band like this and in the production and transport process, pollute and be out of shape the influence that brings to welding, this carving knife can the disposable 300-400km that cuts; And otch does not have the flange burr; Stainless steel band after cutting adopts stable laser bonding through mould molding, is equipped with two laser machines of size; Little laser machine transverse weld realization steel band is connected with steel band, and big laser machine realizes that vertical sealing of stainless steel band uninterruptedly welds; Big laser machine welding is welded with the 20-24m/mim speed of production according to the power of different-thickness steel band with 600-1000W. and little laser machine is cut the butt joint welding with the power of 300-400W to steel band, and imports nitrogen and protect, and makes joint very firm.
4, when welding, lead fine pin and import whole chromatogram sea cable special optic fibre and the fine cream of high viscosity hydrogen evolution simultaneously, play well lubricated and protective effect, can reduce optical fiber machinery and high temperature injury in process of production like this with one; The fine cream of the high viscosity hydrogen evolution that imports; Can with stainless-steel tube in the production run process, the protium of formation produces neutralization reaction, has overcome " hydrogen loss " phenomenon of optical fiber; Improve the life-span of optical fiber; Fine cream import volume is through tight calculating, guarantees the stainless-steel tube inner chamber greater than 90% full filling, can be smoothly high-potting through 24h5MPA and continuous 14 days 1.2MPA.The fine cream of described high viscosity hydrogen evolution adopts the fine cream of commercially available 400H (HV) type high viscosity hydrogen evolution.
5, the stainless-steel tube that welding is good increases stainless-steel tube intensity through cold drawn group of distortion of mould, through 360 degree eddy current flaw detecs stainless-steel tube is carried out comprehensive detection again, and the crack that naked eyes are difficult to offer an explanation can detect and record.
6, the surplus length of stainless steel fiber unit take into full account the construction of extra large cable and running environment complicated, calculate through science, stainless-steel tube is applied the tension force of 200-250N, make the stainless-steel tube elastic extension, through take turns lead after, reduce its tension force and make the steel pipe resilience form surplus length; Make stainless-steel tube through too much organizing the straightening wheel again, make stainless-steel tube crooked, extruding shortens and forms surplus length, so just utilizes the elastic deformation and the moulding distortion of stainless-steel tube, makes the disposable 2-7 of reaching ‰ of surplus length, the request for utilization of suitable varying environment.
7, the stainless steel fiber unit after the drawing moulding; Deliver to take-up stand through traction engine; On
1800MM drum of coiling steel pipe, promptly process overlength optical fiber unit on the receipts.
Tension stability, controlled; Maximum can be loaded the take-up stand of
1800MM drum, has guaranteed the production needs of overlength optical fiber unit.The technical characterstic of overlength optical fiber unit and manufacturing approach thereof:
1, overlength optical fiber unit is made complicatedly, requires the continual production of long-time continuous, equipment, starting material and water, electricity and gas etc. is required high, and each parameter of each parts can be monitored, can adjust, and guarantees product quality.
2, overlength optical fiber unit can reduce fiber cable joint, reduces optical power loss, reduces relaying, significantly reduces the laying maintenance cost, makes that operation is more reliable, construction is more convenient, it is simpler to safeguard.
3, adopt manufacturing approach of the present invention can make the 50-120km overlength optical fiber unit; Give security for realizing the cable manufacturing of length sea; Reduce relaying and continue; Thereby the minimizing power loss reduces cost, convenient construction and maintenance, and high capacity, stable, anti-interference, safe and reliable information transmission can be provided.
Description of drawings
Below will combine accompanying drawing that the present invention is described further:
Fig. 1 is the overlength optical fiber unit structural representation.
Embodiment
With reference to accompanying drawing 1, overlength optical fiber unit comprises stainless-steel tube 1, whole chromatogram sea cable special optic fibre 2 and the fine cream 3 of high viscosity hydrogen evolution; Stainless steel band (304L), moulding welding armouring becomes stainless-steel tube 1, imports whole chromatogram sea cable special optic fibre 2, completely fills the fine cream 3 of high viscosity hydrogen evolution.Described fiber unit external diameter is
2.5-4.5mm; The fibre core of fiber unit is a 2-144 root whole chromatogram sea cable special optic fibre 2, and fiber unit length is 50-120km.Said stainless steel band adopts commercially available 304L type stainless steel band.
The manufacturing approach of overlength optical fiber unit is following:
1, according to the length of fiber unit according to 1: the ratio of 1.05-1.1 is carried out the optical fiber manufacturing; Hightension through 100-150g screens again; It is painted that the optical fiber of screening is carried out the whole chromatogram looper, guarantees solidification effect and the winding displacement quality of optical fiber, processes the extra large cable special optic fibre 2 of whole chromatogram.
2, adopt initiatively unwrapping wire of bull (bull pay off rack), multipotency holds 144 whole chromatograms sea cable special optic fibres 2 simultaneously, and tension force 30-120g is adjustable arbitrarily, and system controlled by computer makes every bearing optical fiber equal tension, guarantees the uniformity consistency of surplus length.
3, select stainless steel band for use than the required wide 2-3mm of moulding; Remove the both sides redundance through cutting, can reduce stainless steel band like this and in the production and transport process, pollute and be out of shape the influence that brings to welding, this carving knife can the disposable 300-400km that cuts; And otch does not have the flange burr; Stainless steel band after cutting adopts stable laser bonding through mould molding, two laser machines of this equipment configuration size; Little laser machine transverse weld realization steel band is connected with steel band, and big laser machine realizes that vertical sealing of stainless steel band uninterruptedly welds; Big laser machine welding is welded with the 20-24m/mim speed of production according to the power of different-thickness steel band with 600-1000W, and little laser machine is cut the butt joint welding with the power of 300-400W to steel band, and imports nitrogen and protect, and makes joint very firm.
4, when welding, lead fine pin and import whole chromatogram sea cable special optic fibre 2 and the fine cream 3 of high viscosity hydrogen evolution simultaneously, play well lubricated and protective effect, can reduce optical fiber machinery and high temperature injury in process of production like this with one; The fine cream of the high viscosity hydrogen evolution that imports; Can with stainless-steel tube in the production run process, the protium of formation produces neutralization reaction, has overcome " hydrogen loss " phenomenon of optical fiber; Improve the life-span of optical fiber; Fine cream import volume is through tight calculating, guarantees the stainless-steel tube inner chamber greater than 90% full filling, can be smoothly high-potting through 24h5MPA and continuous 14 days 1.2MPA.The fine cream of described high viscosity hydrogen evolution adopts the fine cream of commercially available 400H (HV) type high viscosity hydrogen evolution.
5, the stainless-steel tube 1 that welding is good increases stainless-steel tube intensity through cold drawn group of distortion of mould, through 360 degree eddy current flaw detecs stainless-steel tube is carried out comprehensive detection again, and the crack that naked eyes are difficult to offer an explanation can detect and record.
6, the surplus length of stainless steel fiber unit take into full account the construction of extra large cable and running environment complicated, calculate through science, stainless-steel tube 1 is applied the tension force of 200-250N, make stainless-steel tube 1 elastic extension, through take turns lead after, reduce its tension force and make the steel pipe resilience form surplus length; Make stainless-steel tube 1 through too much organizing the straightening wheel again, make tube bending, extruding shortens and forms surplus length, so just utilizes the elastic deformation and the moulding distortion of stainless-steel tube 1, makes the disposable 2-7 of reaching ‰ of surplus length, is fit to the request for utilization of varying environment.
7, the stainless steel fiber unit after the drawing moulding; Deliver to take-up stand through traction engine; On
1800MM drum of coiling steel pipe, promptly process overlength optical fiber unit on the receipts.
Tension stability, controlled; Maximum can be loaded the take-up stand of
1800MM drum, has guaranteed the production needs of overlength optical fiber unit.
Claims (2)
1. the manufacturing approach of an overlength optical fiber unit is following:
(1) according to the length of fiber unit according to 1: the ratio of 1.05-1.1 is carried out the optical fiber manufacturing; Hightension through 100-150g screens again; It is painted that the optical fiber of screening is carried out the whole chromatogram looper, guarantees solidification effect and the winding displacement quality of optical fiber, processes the extra large cable special optic fibre of whole chromatogram;
(2) adopt initiatively unwrapping wire of bull, multipotency holds 144 whole chromatograms sea cable special optic fibres simultaneously, and tension force 30-120g is adjustable arbitrarily, and system controlled by computer makes every bearing optical fiber equal tension, guarantees the uniformity consistency of surplus length;
(3) select stainless steel band for use than the required wide 2-3mm of moulding; Remove the both sides redundance through cutting, can reduce stainless steel band like this and in the production and transport process, pollute and be out of shape the influence that brings to welding, this carving knife can the disposable 300-400km that cuts; And otch does not have the flange burr; Stainless steel band after cutting adopts stable laser bonding through mould molding, is equipped with two laser machines of size; Little laser machine transverse weld realization steel band is connected with steel band, and big laser machine realizes that vertical sealing of stainless steel band uninterruptedly welds; Big laser machine welding is welded with the 20-24m/mim speed of production according to the power of different-thickness steel band with 600-1000W. and little laser machine is cut the butt joint welding with the power of 300-400W to steel band, and imports nitrogen and protect, and makes joint very firm;
(4) when welding, lead fine pin and import whole chromatogram sea cable special optic fibre and the fine cream of high viscosity hydrogen evolution simultaneously, play well lubricated and protective effect, can reduce optical fiber machinery and high temperature injury in process of production like this with one; The fine cream of the high viscosity hydrogen evolution that imports; Can with stainless-steel tube in the production run process, the protium of formation produces neutralization reaction, has overcome " hydrogen loss " phenomenon of optical fiber; Improve the life-span of optical fiber; Fine cream import volume is through calculating, and guarantees the stainless-steel tube inner chamber greater than 90% full filling, can be smoothly high-potting through 24h5MPA and continuous 14 days 1.2MPA;
(5) stainless-steel tube that welding is good increases stainless-steel tube intensity through cold drawn group of distortion of mould, through 360 degree eddy current flaw detecs stainless-steel tube is carried out comprehensive detection again, and Crack Detection is come out and record;
(6) to take into full account the construction of extra large cable complicated with running environment for the surplus length of stainless steel fiber unit, and stainless-steel tube is applied the tension force of 200-250N, makes the steel pipe elastic extension, through take turns lead after, reduce its tension force and make the steel pipe resilience form surplus length; Make steel pipe through too much organizing the straightening wheel again, make tube bending, extruding shortens and forms surplus length, so just utilizes the elastic deformation and the moulding distortion of stainless-steel tube, makes the disposable 2-7 of reaching ‰ of surplus length, is fit to the request for utilization of varying environment;
(7) the stainless steel fiber unit after the drawing moulding is delivered to take-up stand through traction engine, on the ￠ 1800MM drum of coiling steel pipe, promptly processes overlength optical fiber unit on the receipts.
2. overlength optical fiber unit according to claim 1 is characterized in that described fiber unit external diameter is ￠ 2.5-4.5mm, and the fibre core of fiber unit is a 2-144 root whole chromatogram sea cable special optic fibre, and fiber unit length is 50-120km.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100362270A CN101692136B (en) | 2009-10-10 | 2009-10-10 | Overlength optical fiber unit and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100362270A CN101692136B (en) | 2009-10-10 | 2009-10-10 | Overlength optical fiber unit and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN101692136A CN101692136A (en) | 2010-04-07 |
| CN101692136B true CN101692136B (en) | 2012-02-15 |
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| CN106680956A (en) * | 2017-03-17 | 2017-05-17 | 海鹰企业集团有限责任公司 | Integrated optical fiber extra length generating method |
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| C06 | Publication | ||
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Owner name: ZHONGTIAN ELECTRIC OPTICAL FIBER CABLE CO., LTD. Free format text: FORMER NAME: ZHONGTIAN HITACHI FIBER OPTIC CABLE CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Zhao Gang Cun, Rudong County town of Jiangsu estuary 226463 city of Nantong Province Patentee after: Zhong Tian electric power optical cable Co., Ltd Address before: The road town of Rudong County in Jiangsu province 226453 in Nantong City, No. 1 Patentee before: Zhongtian Hitachi Fiber Optic Cable Co., Ltd. |