CN1609645A - Mixed optical cable with sensing and communication function and producing method thereof - Google Patents
Mixed optical cable with sensing and communication function and producing method thereof Download PDFInfo
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- CN1609645A CN1609645A CNA2004100611834A CN200410061183A CN1609645A CN 1609645 A CN1609645 A CN 1609645A CN A2004100611834 A CNA2004100611834 A CN A2004100611834A CN 200410061183 A CN200410061183 A CN 200410061183A CN 1609645 A CN1609645 A CN 1609645A
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Abstract
The present invention relates to one kind one mixed optical cable with communication function and sensing function and its making process. The mixed optical cable includes communication cable comprising cable core and protecting jacket and characterized sensing cable set outside the protecting jacket of the communication cable and comprising sensing fiber and its protecting sheath. During the making process, the communication cable core and the sensing fiber are integrated inside the same outer sheath, or the sensing cable is wound spirally onto the outer sheath of the communication cable. The present invention has the advantages of perfect functions, high protecting performance, stable operation, compact structure, etc.
Description
Technical field
The present invention relates to a kind of method for making, belong to the communication field of sensing technologies with composite cable and this optical cable of sensing function and communication function.
Background technology
Communications optical cable is owing to have the transmission system that great transinformation has been widely used in the communications field.Yet existing communications optical cable only has the communications function and does not have sensing function.In addition, had the sensor fibre that can be used as sensing element in recent years, sensor fibre has characteristics such as long-distance sensing, sensitivity height continuously, can be applied to some inflammable and explosive occasions such as petroleum delivery pipeline.When petroleum delivery pipeline suffered that the destruction of artificial or geologic hazard produces abnormal conditions such as distortion or leakage, sensor fibre can in time spread out of the information of above-mentioned situation.But existing sensor fibre only applies layer protecting film at its outside surface, not only is difficult to lay, and also suffers damage easily when laying and use; and self-protection poor performance; be unsuitable for working under harsh conditions and environment, Acceptable life is short, and the cost that lays is also higher relatively.
On the other hand; traditional communications optical cable requires cable configuration that the optical fiber of its inside is had the excellent protection function; optical fiber does not just allow to be subject to the external environment variation like this, as: the influence of factors such as external force, temperature, thus guarantee that optical fiber has good optical transmission performance under various mal-conditions.But as sensing optic cable, the variation of environment is very responsive to external world then exactly to require optical fiber in the optical cable, unusual circumstance timely and effectively like this.Therefore, only design specific cable configuration, just the communication function and the sensing function of optical cable organically may be combined.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of composite cable that has sensing and communication function simultaneously and preparation method thereof at the deficiency of above-mentioned prior art existence.
The technical scheme that composite cable of the present invention adopted is: include communications optical cable, communications optical cable is made of cable core and oversheath 8, its difference is to be outside equipped with sensing optic cable at the oversheath of communications optical cable, and described sensing optic cable includes sensor fibre 10 and coats the sheath 11 of sensor fibre.
Press such scheme, described sensing optic cable is 1~3, and parallel or crooked being arranged on the communications optical cable oversheath 8 is linked into one with oversheath; Or become zigzag shape to be wrapped on the communications optical cable oversheath.
Press such scheme, be installed on the reinforcement 9 that extend side by side with sensor fibre 10 in the described sensing optic cable sheath 11, described reinforcement is metal reinforcement or fortifying fibre reinforcement; Described sensor fibre 10 can be provided with 1~2 sensor fibre for filming sensor fibre or for tight cover sensor fibre in the sensing optic cable.
The technical scheme of method for making of the present invention is: the communications optical cable cable core of making desired structure, required sensor fibre and communications optical cable cable core are installed on the pay off rack of cable outer sheath production line, the radial distance of sensor fibre and communications optical cable cable core is adjusted to the right place, they are passed the oversheath mould together, unwrapping wire traction forward synchronously, communications optical cable cable core and sensor fibre are coated be integrated in the same oversheath, be about to communications optical cable oversheath 8 and be linked into one with sensor fibre sheath 11.
In the such scheme, can be at sensor fibre one side configuration reinforcement 9, reinforcement passes the oversheath mould with sensor fibre, synchronously unwrapping wire traction forward.
Another technical scheme of method for making of the present invention is: make the communications optical cable and the sensing optic cable of desired structure respectively, the sensing optic cable side direction is adhered to mutually with the communications optical cable oversheath, or become zigzag shape to be wrapped on the communications optical cable oversheath sensing optic cable.
Beneficial effect of the present invention is: 1, an optical cable has communication function and sensing function simultaneously, and functions of use is comparatively perfect; 2, have the advantages that as sensing optic cable barrier propterty is strong, job stability is high, sensing is sensitive, can adapt to rugged surroundings, long service life; 3, compact conformation be convenient to lay, and laid down cost is relatively low; 4, be particularly suitable for using, the timely sensing of the abnormal conditions that laying-out took place can be gone out at some special occasions such as petroleum transportation pipelines; 5, method for making is comparatively rationally easy, the working (machining) efficiency height.
Description of drawings
Fig. 1 is the radial structure sectional view of one embodiment of the invention.
Fig. 2 is the radial structure sectional view of second embodiment of the invention.
Fig. 3 is the radial structure sectional view of third embodiment of the invention.
Fig. 4 is the radial structure sectional view of four embodiment of the invention.
Fig. 5 is the radial structure sectional view of fifth embodiment of the invention.
Fig. 6 is the axial stereographic map of fifth embodiment of the invention.
Embodiment
Embodiment one as shown in Figure 1, communications optical cable is to coat oversheath by the loose sleeve layer strand type optical cable core to constitute, this loose sleeve layer strand type optical cable core comprises central reinforce member 4, be stranded in central reinforce member circumferential loose sleeve pipe 2 that contains optical fiber 1 and gasket for packing 5, be filled with fine cream 3 in the pine sleeve pipe, outside loose sleeve pipe, be provided with water-blocking component or filling material water-proof material 6, vertical again bag metal tape 7, constitute the loose sleeve layer strand type optical cable core, cable core is outward an oversheath 8; One or both sides at oversheath are provided with sensing optic cable, and sensing optic cable and oversheath are linked into one, can pass through one-shaping technique, and extrusion molding processes the sensing optic cable part of setting up.Sensing optic cable comprises the sheath 11 of round section, be provided with a sensor fibre 10 in the sheath, simultaneously at sensor fibre one side and reinforcing element 9 of row arrangement, reinforcing element is made of fortifying fibre, sensor fibre 10 can be through the sensor fibre after filming, and also can be tight cover sensor fibre; Can be coated with the material of one deck such as silicone oil and so on during making in the sensor fibre outside, make it from sheath, peel off out easily.The oversheath 8 of communications optical cable and the sheath 11 of sensing optic cable all can be made by the PE material.
Embodiment two as shown in Figure 2, the cable core that is characterized in communications optical cable is the loose sleeve layer strand type band structure of optic fibre, it is the superimposed fibre ribbon 12 of suit in the loose sleeve pipe 2 of cable core, at a side of the communications optical cable sensing optic cable that links, the sheath 11 of sensing optic cable is linked into one with the oversheath 8 of communications optical cable, and sheath can be ellipse, is installed on sensor fibre 10 and reinforcement 9 in sheath, wherein sensor fibre is positioned at the outside of sheath, and reinforcement is positioned at the side by communications optical cable.Other structure is identical with a last embodiment.
Embodiment three as shown in Figure 3, the cable core of communications optical cable is the central beam tube type structure, comprises the loose sleeve pipe 2 that contains optical fiber, the fine cream 3 of filling in the loose sleeve pipe, loose sleeve pipe is provided with water blocking layer 13 outward, the vertical outward bag metal tape 7 of water blocking layer; Vertical bag metal tape coats oversheath 8 outward again, and both sides are installed on reinforcing element 14 in oversheath, be positioned at two reinforcing element outsides at oversheath and extrude a sensing optic cable respectively, sheath 11 cross sections of sensing optic cable are circular arc ear shape, are laid with sensor fibre 10 in the sheath.
Embodiment four as shown in Figure 4, the cable core of communications optical cable is skeleton band structure of optic fibre, comprises that the cross section is the skeleton 15 that circular, circumferential offers fine groove, is installed on fibre ribbon 12 in the skeleton grooves, the periphery of skeleton coats water blocking layer 13, metal tape 7 and oversheath 8 successively; The sensing optic cable that links with it is set in the oversheath both sides, the sheath 11 of sensing optic cable is linked into one with the oversheath 8 of communications optical cable, sheath can be ellipse, in sheath, be installed on sensor fibre 10 and reinforcement 9, wherein sensor fibre is positioned at the outside of sheath, and reinforcement is positioned at the side by communications optical cable.Other structure is identical with first embodiment.
The all available first kind of method for making of the foregoing description processed.
Embodiment five is shown in Fig. 5,6, the cable core of communications optical cable can be the loose sleeve layer strand type structure, on the oversheath 8 of communications optical cable, become zigzag shape to be wound with two sensing optic cables, sensing optic cable is made of the sheath 11 of sensor fibre 10 and coating sensor fibre, two sensor fibres 10 are arranged in the every sensing optic cable, both sides in sheath, the centre is a reinforcement 9, described reinforcement is metal reinforcement or fortifying fibre reinforcement.Present embodiment can be processed with second kind of method for making.
Claims (11)
1, a kind of composite cable with sensing and communication function, include communications optical cable, communications optical cable is made of cable core and oversheath, it is characterized in that being outside equipped with sensing optic cable at the communications optical cable oversheath, and described sensing optic cable includes sensor fibre and coats the sheath of sensor fibre.
2, by the described composite cable of claim 1 with sensing and communication function, it is characterized in that described sensing optic cable is 1~3, parallel or crooked being arranged on the communications optical cable oversheath is linked into one with oversheath.
3,, it is characterized in that described sensing optic cable becomes zigzag shape to be wrapped on the communications optical cable oversheath by the described composite cable of claim 1 with sensing and communication function.
4, by claim 2 or 3 described composite cables, it is characterized in that being installed on the reinforcement that extend side by side with sensor fibre in the described sensing optic cable sheath with sensing and communication function.
5,, it is characterized in that described sensor fibre for filming sensor fibre or for tight cover sensor fibre, can be provided with 1~2 sensor fibre in the sensing optic cable by claim 2 or 3 described composite cables with sensing and communication function.
6, by claim 1 or 2 described composite cables with sensing and communication function, it is characterized in that communications optical cable is to coat oversheath by the loose sleeve layer strand type optical cable core to constitute, one or both sides at oversheath, be provided with sensing optic cable, sensing optic cable and oversheath are linked into one, sensing optic cable comprises the sheath of round section, is provided with a sensor fibre in the sheath, simultaneously at sensor fibre one side and reinforcing element of row arrangement.
7, by claim 1 or 2 described composite cables with sensing and communication function, the cable core that it is characterized in that communications optical cable is the central beam tube type structure, both sides are installed on reinforcing element in oversheath, be positioned at two reinforcing element outsides at oversheath and extrude a sensing optic cable respectively, the sheath cross section of sensing optic cable is circular arc ear shape, is laid with sensor fibre in the sheath.
8, by claim 1 or 2 described composite cables with sensing and communication function, the cable core that it is characterized in that communications optical cable is skeleton band structure of optic fibre, the sensing optic cable that links with it is set in the oversheath both sides, the sheath of sensing optic cable and the oversheath of communications optical cable are linked into one, in sheath, be installed on sensor fibre and reinforcement, wherein sensor fibre is positioned at the outside of sheath, and reinforcement is positioned at the side by communications optical cable.
9, a kind of composite cable method for making with sensing and communication function, it is characterized in that making the communications optical cable cable core of desired structure, required sensor fibre and communications optical cable cable core are installed on the pay off rack of cable outer sheath production line, the radial distance of sensor fibre and communications optical cable cable core is adjusted to the right place, they are passed the oversheath mould together, unwrapping wire traction forward synchronously coats communications optical cable cable core and sensor fibre and is integrated in the same oversheath.
10,, it is characterized in that reinforcement passes the oversheath mould with sensor fibre at sensor fibre one side configuration reinforcement, unwrapping wire traction forward synchronously by the described composite cable method for making of claim 9 with sensing and communication function.
11, a kind of composite cable method for making with sensing and communication function, it is characterized in that making respectively the communications optical cable and the sensing optic cable of desired structure, the sensing optic cable side direction is adhered to mutually with the communications optical cable oversheath, or become zigzag shape to be wrapped on the communications optical cable oversheath sensing optic cable.
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CNB2004100611834A CN100424536C (en) | 2004-11-25 | 2004-11-25 | Mixed optical cable with sensing and communication function and producing method thereof |
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CNB2004100611834A CN100424536C (en) | 2004-11-25 | 2004-11-25 | Mixed optical cable with sensing and communication function and producing method thereof |
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CN1609645A true CN1609645A (en) | 2005-04-27 |
CN100424536C CN100424536C (en) | 2008-10-08 |
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Cited By (3)
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CN107132629A (en) * | 2017-06-09 | 2017-09-05 | 南京华信藤仓光通信有限公司 | Optical fiber cable and its manufacture method with Fibre Optical Sensor and communication function |
CN107783234A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | The production technology of optical cable |
CN107783233A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | Optical cable |
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SE438396B (en) * | 1983-09-01 | 1985-04-15 | Ericsson Telefon Ab L M | DEVICE TO DETECT LIGHT ENERGY DRAINAGE FROM OPTICAL FIBERS |
US5099687A (en) * | 1990-12-21 | 1992-03-31 | Graco Inc. | Electrically neutral flow measurement system |
US5427114A (en) * | 1993-08-19 | 1995-06-27 | Fiberoptic Sensor Technologies, Inc. | Dual pressure sensing catheter |
CN2752793Y (en) * | 2004-07-28 | 2006-01-18 | 长飞光纤光缆有限公司 | Mixed optical cable with function of sensing and communication |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107132629A (en) * | 2017-06-09 | 2017-09-05 | 南京华信藤仓光通信有限公司 | Optical fiber cable and its manufacture method with Fibre Optical Sensor and communication function |
WO2018223499A1 (en) * | 2017-06-09 | 2018-12-13 | 南京华信藤仓光通信有限公司 | Optical fibre cable with optical fibre sensing and communication functions, and manufacturing method therefor |
US10838160B2 (en) | 2017-06-09 | 2020-11-17 | Nanjing Wasin Fujikura Optical Communication Ltd. | Optical fiber cable with optical fiber sensing and communication functions and manufacturing method |
CN107783234A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | The production technology of optical cable |
CN107783233A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | Optical cable |
CN107783234B (en) * | 2017-10-20 | 2019-08-02 | 杭州富通通信技术股份有限公司 | The production technology of optical cable |
CN107783233B (en) * | 2017-10-20 | 2019-08-02 | 杭州富通通信技术股份有限公司 | Optical cable |
CN110398807A (en) * | 2017-10-20 | 2019-11-01 | 杭州富通通信技术股份有限公司 | A kind of optical cable |
CN110456469A (en) * | 2017-10-20 | 2019-11-15 | 杭州富通通信技术股份有限公司 | Optical cable for optical cable production loses analog component |
CN110456469B (en) * | 2017-10-20 | 2020-06-12 | 杭州富通通信技术股份有限公司 | Optical cable breakage simulation component for optical cable production |
CN110398807B (en) * | 2017-10-20 | 2020-07-03 | 杭州富通通信技术股份有限公司 | Optical cable |
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Owner name: YANGTZE OPTICAL FIBRE AND CABLE CO., LTD Free format text: FORMER NAME: CHANGFEI FIBRE-OPTICAL + OPTICAL CABLE CO., LTD. |
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Address after: 430073 Hubei city of Wuhan province Wuchang two Guanshan Road No. four Patentee after: Yangtze Optical Fibre and Cable Co., Ltd Address before: 430073 Hubei city of Wuhan province Wuchang two Guanshan Road No. four Patentee before: Changfei Fibre-Optical & Optical Cable Co., Ltd. |