CN104752002A - Carbon fiber aluminum alloy temperature self-measurement photoelectric composite cable - Google Patents
Carbon fiber aluminum alloy temperature self-measurement photoelectric composite cable Download PDFInfo
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- CN104752002A CN104752002A CN201310492492.6A CN201310492492A CN104752002A CN 104752002 A CN104752002 A CN 104752002A CN 201310492492 A CN201310492492 A CN 201310492492A CN 104752002 A CN104752002 A CN 104752002A
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Abstract
The invention relates to a carbon fiber aluminum alloy temperature self-measurement photoelectric composite cable which comprises a cable core, and a wrapping tape layer, an inner lining layer, an armor layer and an outer protection layer which sequentially coat the cable core from inside to outside, wherein the cable core comprises a carbon fiber composite core, three annular sector aluminum alloy electric units, an optical unit and an annular sector filling unit; and at least one optical fiber in the optical unit is a grating optical fiber inscribed with a temperature measurement grating. The cable has the beneficial effects that the relatively scarce copper resource is saved; the outside diameter of a finished product is shortened; the filling quantity of filler is reduced; the cable is available for communication; the temperature of the cable can be monitored in real time; and the strength is high.
Description
Technical field
The present invention relates to a kind of cable, particularly relate to a kind of carbon fiber aluminum alloy from thermometric photoelectric compound cable.
Background technology
The cable of current lv power cable and light unit phase compound, electric unit in its cable conductor is all circular configuration, technology controlling and process is comparatively simple with operation, but the gap between heavy in section electric unit is very large, and in order to ensure the outward appearance rounding of finished cable, need in gap between electric unit to fill a large amount of packing materials, this makes the external diameter of cable core very large, cause the corresponding increase of the auxiliary material such as steel band and outer sheath material consumption, namely add cost, make troubles also to packaging, transport etc.
And current cable, the copper that adopts as conductor more.And the reserves of copper are limited, price is very high, and China is the country that a bauxite resource enriches, and announce according to the parties concerned, aluminium ore reserves are 3,000,000,000 tons, account for 12% of world's total amount.
In addition, existing wire stretch-proof intensity is not enough, low to natural calamity holding capacity such as freezing sleet; Existing photoelectric compound cable, has optical fiber communication function and electric power transfer function, can realize the transmission of various control signal, network signal and electric power, adapts to the use needs of telecommunications network, Broadcasting Cable Network, the Internet, the many net fusions of power network.But this photoelectric compound cable temperature rise situation that is in operation cannot be monitored, easily occur to cause the phenomenon of whole cable bad because electrical lead load increase causes to heat up.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of carbon fiber aluminum alloy from thermometric photoelectric compound cable, overcomes above-mentioned defect.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of carbon fiber aluminum alloy, from thermometric photoelectric compound cable, is characterized in that, the belting layer, inner covering, armour and the outer jacket that comprise cable core and be coated on successively from inside to outside outside described cable core; Described cable core comprises the filler cells of carbon fiber complex core, three fan aluminum annular-shaped alloy electric units, a light unit and fan annulars; Described carbon fiber complex core is made up of carbon fiber wire and ceramic fibre silk, is outside equipped with sheath at described carbon fiber complex core; Three fan aluminum annular-shaped alloy electric units and filler cells are close to successively and are surrounded an annulus, and the sheath outside the medial surface of fan aluminum annular-shaped alloy electric unit and filler cells and carbon fiber complex core is close to; Described light unit is arranged in described filler cells, described carbon fiber complex core, fan aluminum annular-shaped alloy electric unit, light unit and the whole stranded formation cable core of filler cells; Described electric unit comprises conductor and insulating barrier.
Described light unit comprises multifiber and the Loose tube set gradually from inside to outside, non-metal reinforced layer and sheath, described Loose tube is enclosed within outside described optical fiber, full dry type water-blocking material is filled in described Loose tube, be provided with many equally distributed water blocking yarns in described non-metal reinforced layer, be embedded with between described non-metal reinforced layer and described sheath and tear rope; At least one optical fiber is inscribe the grating fibers having thermometric grating, and grating fibers forms a grating point for measuring temperature at interval of predetermined distance, and predetermined distance is 300-500 rice.
The material of described non-metal reinforced layer is high strength fibre yarn.
The material of described filler cells is polyolefin.
The invention has the beneficial effects as follows:
Have employed aluminium and replace copper, dramatically saves on relatively more rare copper resource.Owing to three electric units and filler cells in cable core to be processed into fan annular, and be close on carbon fiber complex core, make the compact conformation of whole cable core, reduce the external diameter of finished product, and decrease the loading of filler, decrease the consumption of the auxiliary material such as steel band and outer sheath material, reduce cost; In addition, adopt high strength fibre yarn to do the material of non-metal reinforced layer in light unit, improve the mechanical performance of light unit, also extend the useful life of cable.
Have employed ceramic fibre and carbon fiber composite structure, not only have the advantage of carbon fibre material, intensity is larger.As used cable of the present invention in actual production, both can normal transmission of electric energy, can communication be carried out again, self can also carry out temperature survey.Which offers a saving the equipment such as ADSL, the OPGW increased in order to power communication, also can reduce the accidents such as the thunderbolt caused because of OPGW and threaten.The GPS wire temperature measuring equipment of the use taked at present work very high cost can also be saved in addition, save huge cost.Using cable of the present invention as the circuit of transferring electric power time, staff directly can determine the actual bearer situation of circuit to line temperature according to described traverse survey.
The present invention to reinforcement wire on-line monitoring, grasp variations in temperature, improve wire transmission capacity, reduce line loss, improve safe operation of electric network, increase communication backup, solve comprehensive communication plan etc. aspect and all show and provide large economic benefit and social benefit, especially build in environment-friendly type, the controlling the trend of economical society in country instantly with all strength and more demonstrate powerful realistic meaning.
Accompanying drawing explanation
Fig. 1 is cross sectional representation of the present invention;
Fig. 2 is the cross sectional representation of light unit in the present invention.
Embodiment
As shown in the figure, a kind of carbon fiber aluminum alloy, from thermometric photoelectric compound cable, comprises cable core and is coated on belting layer 4, inner covering 3, armour 2 and the outer jacket 1 outside described cable core from inside to outside successively; Described cable core comprises the filler cells 8 of carbon fiber complex core 6, three fan aluminum annular-shaped alloy electric unit 7, light unit 5 and fan annular; Described carbon fiber complex core 6 is made up of carbon fiber wire 9 and ceramic fibre silk 10, is outside equipped with sheath 11 at described carbon fiber complex core; Three fan aluminum annular-shaped alloy electric units 7 and filler cells 8 are close to successively and are surrounded an annulus, and the sheath 11 outside the medial surface of fan aluminum annular-shaped alloy electric unit 7 and filler cells 8 and carbon fiber complex core 6 is close to; Described light unit 5 is arranged in described filler cells 8, described carbon fiber complex core 6, fan aluminum annular-shaped alloy electric unit 7, light unit 5 and the whole stranded formation cable core of filler cells 8; Described electric unit 7 comprises conductor and insulating barrier.
Described carbon fiber complex core 6 comprises carbon fiber wire 9 and ceramic fibre silk 10, by will become the carbon fiber wire 9 of stock and ceramic fibre silk 10 stranded after, adopt resin-dipping, then adopt curing oven to form.In the present embodiment, described carbon fiber wire 9 is one, and described ceramic fibre silk 10 is the six roots of sensation.
Light unit 5 comprises multifiber 51 and the Loose tube 52 set gradually from inside to outside, non-metal reinforced layer 53 and sheath 54, Loose tube 52 is enclosed within outside optical fiber 51, full dry type water-blocking material 55 is filled in Loose tube 52, be provided with many equally distributed water blocking yarns 56 in non-metal reinforced layer 53, be embedded with between non-metal reinforced layer 53 and sheath 54 and tear rope 57; At least one optical fiber is inscribe the grating fibers having thermometric grating, and grating fibers forms a grating point for measuring temperature at interval of predetermined distance, and predetermined distance is 300-500 rice.
The material of non-metal reinforced layer 53 is high strength fibre yarn, and the material of filler cells 8 is polyolefin.
The present invention adopts the method directly making imprinting grating on optical fiber to carry out the manufacture of thermometric conductor.Be the light sensitivity utilizing fiber optic materials with the grating fibers that optical fiber imprinting becomes, by special processing mode, make to form space phase grating in fibre core, be partially formed the mirror surface of an arrowband, reflection is formed to the light of specific wavelength.When the temperature of optical fiber changes, the surrounding of grating can change along with expanding with heat and contract with cold of optical fiber, and this change can change reflection wavelength, by measuring the wavelength change of reverberation, just can measure the optical fiber temperature sensor of grating present position.Equally, by measuring the delay of reverberation, the position of grating can be learnt.Here it is utilizes the principle of grating fibers thermometric.
Direct quarter, the mode of grating did not produce supplementary load loss, and can not affect measuring distance, this production method is better than the production method of welding.The grating fibers thermometric mode become by optical fiber imprinting is owing to being special optical fiber targetedly, and reflected signal is strong, therefore requires all lower than Raman reflection thermometric mode to the transmitting power of equipment and receiving sensitivity, and the good stability of equipment.The benefit simultaneously brought is far measuring distance, and measuring distance can at more than 100km, and certainty of measurement is within ± 2 DEG C.
At least one optical fiber in these optical fiber carries out inscription grating, carries out inscription grating, by the temperature sensor of utilizing emitted light signal measurement diverse location grating in the position of setting.Here it is achieves and utilizes grating fibers thermometric.The present invention does not need the continuous temperature distribution of measuring whole piece circuit, every 300 ~ 500 meters of measurement points can be selected, or strengthen distribution optical grating point in sag minimum point, select the thermometric mode monitoring circuit variations in temperature of grating fibers, defeated biography capacity can be adjusted by the temperature grasped at any time.Preferably, 300 meters, 400 meters, the 500 meters spacing distances as adjacent point for measuring temperature can be selected.
According to a specific embodiment of the present invention, light unit inside is installed with 24 optical fiber, and 8 optical fiber in these 24 optical fiber carry out inscription grating.All imprinting 15 gratings on every root in these 8 optical fiber, i.e. totally 15 points for measuring temperature on every root.In this embodiment, use 16 optical fiber in 24 optical fiber to carry out communication, utilize 8 imprintings in 24 optical fiber to have the optical fiber of grating to carry out thermometric.Facts have proved, the method can reach good effect.
As used cable of the present invention in actual production, both can normal transmission of electric energy, can communication be carried out again, self can also carry out temperature survey.Which offers a saving the equipment such as ADSL, the OPGW increased in order to power communication, also can reduce the accidents such as the thunderbolt caused because of OPGW and threaten.The GPS wire temperature measuring equipment of the use taked at present work very high cost can also be saved in addition, save huge cost.Using cable of the present invention as the circuit of transferring electric power time, staff directly can determine the actual bearer situation of circuit according to the line temperature measured.
Claims (2)
1. carbon fiber aluminum alloy is from a thermometric photoelectric compound cable, it is characterized in that, the belting layer, inner covering, armour and the outer jacket that comprise cable core and be coated on successively from inside to outside outside described cable core; Described cable core comprises the filler cells of carbon fiber complex core, three fan aluminum annular-shaped alloy electric units, a light unit and fan annulars; Described carbon fiber complex core is made up of carbon fiber wire and ceramic fibre silk, is outside equipped with sheath at described carbon fiber complex core; Three fan aluminum annular-shaped alloy electric units and filler cells are close to successively and are surrounded an annulus, and the sheath outside the medial surface of fan aluminum annular-shaped alloy electric unit and filler cells and carbon fiber complex core is close to; Described light unit is arranged in described filler cells, described carbon fiber complex core, fan aluminum annular-shaped alloy electric unit, light unit and the whole stranded formation cable core of filler cells; Described electric unit comprises conductor and insulating barrier.
2. carbon fiber aluminum alloy according to claim 1 is from thermometric photoelectric compound cable, it is characterized in that, described smooth unit comprises multifiber and the Loose tube set gradually from inside to outside, non-metal reinforced layer and sheath, described Loose tube is enclosed within outside described optical fiber, full dry type water-blocking material is filled in described Loose tube, be provided with many equally distributed water blocking yarns in described non-metal reinforced layer, be embedded with between described non-metal reinforced layer and described sheath and tear rope; At least one optical fiber is inscribe the grating fibers having thermometric grating, and grating fibers forms a grating point for measuring temperature at interval of predetermined distance, and predetermined distance is 300-500 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492492.6A CN104752002A (en) | 2013-12-31 | 2013-12-31 | Carbon fiber aluminum alloy temperature self-measurement photoelectric composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492492.6A CN104752002A (en) | 2013-12-31 | 2013-12-31 | Carbon fiber aluminum alloy temperature self-measurement photoelectric composite cable |
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| CN104752002A true CN104752002A (en) | 2015-07-01 |
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| CN201310492492.6A Pending CN104752002A (en) | 2013-12-31 | 2013-12-31 | Carbon fiber aluminum alloy temperature self-measurement photoelectric composite cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214488A1 (en) * | 2017-05-25 | 2018-11-29 | 通鼎互联信息股份有限公司 | Porous optical cable |
| CN112037992A (en) * | 2020-08-12 | 2020-12-04 | 国网河南省电力公司周口供电公司 | High-temperature-resistant carbon fiber core photoelectric composite overhead conductor |
| CN116718116A (en) * | 2023-08-11 | 2023-09-08 | 烟台泰和新材高分子新材料研究院有限公司 | Quick and accurate test method for high-performance fiber cross-section structure |
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| JP2001291429A (en) * | 2000-04-07 | 2001-10-19 | Furukawa Electric Co Ltd:The | Overhead power line and optical fiber composite overhead earth-wire |
| CN202159523U (en) * | 2011-07-29 | 2012-03-07 | 宁波东方电缆股份有限公司 | Optical fiber composite low-voltage cable |
| CN202512943U (en) * | 2012-04-20 | 2012-10-31 | 河南科信电缆有限公司 | Temperature measurement carbon fiber photoelectric composite cable |
| CN202512944U (en) * | 2012-04-20 | 2012-10-31 | 河南科信电缆有限公司 | Carbon fiber photoelectric composite cable with temperature measurement function |
| CN202512945U (en) * | 2012-04-20 | 2012-10-31 | 河南科信电缆有限公司 | Carbon-fiber photoelectric composite cable with temperature measuring optical grating |
-
2013
- 2013-12-31 CN CN201310492492.6A patent/CN104752002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001291429A (en) * | 2000-04-07 | 2001-10-19 | Furukawa Electric Co Ltd:The | Overhead power line and optical fiber composite overhead earth-wire |
| CN202159523U (en) * | 2011-07-29 | 2012-03-07 | 宁波东方电缆股份有限公司 | Optical fiber composite low-voltage cable |
| CN202512943U (en) * | 2012-04-20 | 2012-10-31 | 河南科信电缆有限公司 | Temperature measurement carbon fiber photoelectric composite cable |
| CN202512944U (en) * | 2012-04-20 | 2012-10-31 | 河南科信电缆有限公司 | Carbon fiber photoelectric composite cable with temperature measurement function |
| CN202512945U (en) * | 2012-04-20 | 2012-10-31 | 河南科信电缆有限公司 | Carbon-fiber photoelectric composite cable with temperature measuring optical grating |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214488A1 (en) * | 2017-05-25 | 2018-11-29 | 通鼎互联信息股份有限公司 | Porous optical cable |
| CN112037992A (en) * | 2020-08-12 | 2020-12-04 | 国网河南省电力公司周口供电公司 | High-temperature-resistant carbon fiber core photoelectric composite overhead conductor |
| CN116718116A (en) * | 2023-08-11 | 2023-09-08 | 烟台泰和新材高分子新材料研究院有限公司 | Quick and accurate test method for high-performance fiber cross-section structure |
| CN116718116B (en) * | 2023-08-11 | 2023-11-14 | 烟台泰和新材高分子新材料研究院有限公司 | Quick and accurate test method for high-performance fiber cross-section structure |
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