CN104752003A - Carbon fiber reinforced temperature self-measurement aluminum alloy lead cable - Google Patents
Carbon fiber reinforced temperature self-measurement aluminum alloy lead cable Download PDFInfo
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- CN104752003A CN104752003A CN201310492503.0A CN201310492503A CN104752003A CN 104752003 A CN104752003 A CN 104752003A CN 201310492503 A CN201310492503 A CN 201310492503A CN 104752003 A CN104752003 A CN 104752003A
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Abstract
The invention relates to a carbon fiber reinforced temperature self-measurement aluminum alloy lead cable which comprises a sheath made of a metal tube, and a cable core located in the sheath, wherein the sheath is a corrugated aluminum alloy tube; the cable core comprises a mica tape insulating layer, and a plurality of twisted wire cores and an alkali-free glass filler which are arranged in the mica tape insulating layer; the wire cores consist of conductors twisted by aluminum alloy wires and insulating layers wrapped outside the conductors; aluminum alloy wire braided shielding layers are arranged between the conductors and the insulating layers; an aluminum alloy wire wrapping layer is arranged between the cable core and the sheath; a carbon fiber reinforced core is arranged in a gap between the wire cores; an optical unit is arranged in the alkali-free glass filler, and comprises a plurality of optical fibers; and at least one optical fiber is a grating optical fiber inscribed with a temperature measurement grating. The cable has the benefits that the cable is high in strength and good in bending, insulating and shielding properties; a relatively scarce copper resource is saved; communication is available; and the temperature of the cable can be monitored in real time.
Description
Technical field
The invention belongs to field of cables, specifically a kind of high purity carbon fiberreinforced from thermometric aluminium alloy conductor cable.
Background technology
Being widely used in the cable that the industries such as generator, oil, chemical industry, metallurgy high temperature place and sewage disposal use at present is all be made up of cable core and the sheath be wrapped in outside cable core, this fireproofing of cable and shielding properties poor, and the reason owing to manufacturing, also be subject to the length restriction of being made up of metal tube, cable cannot accomplish any length needed, and is therefore difficult to the user demand meeting user.
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; There is photoelectric compound cable now, there is optical fiber communication function and electric power transfer function, the transmission of various control signal, network signal and electric power can be realized, adapted to telecommunications network, use needs that Broadcasting Cable Network, the Internet, the many nets of power network merge.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 the above-mentioned defect overcoming prior art, provides a kind of high purity carbon fiberreinforced from thermometric aluminium alloy conductor cable.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of high purity carbon fiberreinforced from thermometric aluminium alloy conductor cable, it is characterized in that, comprise the sheath be made up of metal tube and the cable core being positioned at sheath inside, described sheath is corrugated aluminium compo pipe, described cable core comprises several mutually stranded core and the alkali-free glass filler of mica tape insulating barrier and inside thereof, described core is made up of the stranded conductor of aluminium alloy wire and the wrapped insulating barrier in its outside, be provided with one deck aluminum-alloy wire woven shield between described conductor and insulating barrier, between described cable core and sheath, be provided with one deck aluminum-alloy wire integument; In the space of described core central authorities, be provided with a fibre reinforced core, described fibre reinforced core comprises carbon fiber wire and ceramic fibre silk; A light unit is provided with in described alkali-free glass filler, 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 invention has the beneficial effects as follows:
Have employed aluminium and replace copper, dramatically saves on relatively more rare copper resource.Have employed ceramic fibre and carbon fiber composite structure, not only there is the advantage of carbon fibre material, and intensity is larger.
In the present invention, conductor is many aluminium alloy wires, and sheath is corrugated aluminium compo pipe, is all soft structure, makes cable have good bending property, easy to use and can manufacture very long, does not meet the needs of different length; Corrugated aluminium compo pipe also can not burn in pure oxygen, only can be fire-retardant, can not melt in general fire or release pernicious gas, mica is very excellent insulating material, coordinate alkali-free glass filler again, completely can meet cable and continue when flame calcination to keep good insulation property, thus realize cable and be in the calcination of flame and can also keep its performance; Aluminum-alloy wire woven shield and aluminum-alloy wire integument both can ensure its shielding properties, can eliminate again the generation of eddy current.
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 Figure 1, a kind of high purity carbon fiberreinforced from thermometric aluminium alloy conductor cable, comprise the sheath 1 be made up of metal tube and the cable core being positioned at sheath 1 inside, described sheath 1 is corrugated aluminium compo pipe, described cable core comprises three mutual stranded cores and the alkali-free glass filler 4 of mica tape insulating barrier 2 and inside thereof, described core is made up of the stranded conductor 3 of aluminium alloy wire and the wrapped insulating barrier 6 in its outside, be provided with one deck aluminum-alloy wire woven shield 7 between described conductor 3 and insulating barrier 6, between described cable core and sheath 1, be provided with one deck aluminum-alloy wire integument 8.In the present invention, conductor 3 is many aluminium alloy wires, and sheath 1 is corrugated aluminium compo pipe, is all soft structure, makes cable have good bending property, easy to use and can manufacture very long, does not meet the needs of different length; Corrugated aluminium compo pipe also can not burn in pure oxygen, only can be fire-retardant, can not melt in general fire or release pernicious gas, mica is very excellent insulating material, coordinate alkali-free glass filler 4 again, completely can meet cable and continue when flame calcination to keep good insulation property, thus realize cable and be in the calcination of flame and can also keep its performance; Aluminum-alloy wire woven shield 7 and aluminum-alloy wire integument 8 both can ensure its shielding properties, can eliminate again the generation of eddy current.
A fibre reinforced core 9 is provided with in the space of described core central authorities, described fibre reinforced core 9 comprises carbon fiber wire and ceramic fibre silk, after the carbon fiber wire and ceramic fibre skein silk that become stock being closed, adopt resin-dipping, then adopt curing oven to form.In the present embodiment, described carbon fiber wire is one, and described ceramic fibre silk is the six roots of sensation.
A light unit 5 is provided with in described alkali-free glass filler 4, as shown in Figure 2, described 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 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 (1)
1. one kind high purity carbon fiberreinforced from thermometric aluminium alloy conductor cable, it is characterized in that, comprise the sheath be made up of metal tube and the cable core being positioned at sheath inside, described sheath is corrugated aluminium compo pipe, described cable core comprises several mutually stranded core and the alkali-free glass filler of mica tape insulating barrier and inside thereof, described core is made up of the stranded conductor of aluminium alloy wire and the wrapped insulating barrier in its outside, be provided with one deck aluminum-alloy wire woven shield between described conductor and insulating barrier, between described cable core and sheath, be provided with one deck aluminum-alloy wire integument; In the space of described core central authorities, be provided with a fibre reinforced core, described fibre reinforced core comprises carbon fiber wire and ceramic fibre silk; A light unit is provided with in described alkali-free glass filler, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492503.0A CN104752003A (en) | 2013-12-31 | 2013-12-31 | Carbon fiber reinforced temperature self-measurement aluminum alloy lead cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492503.0A CN104752003A (en) | 2013-12-31 | 2013-12-31 | Carbon fiber reinforced temperature self-measurement aluminum alloy lead cable |
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| Publication Number | Publication Date |
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| CN104752003A true CN104752003A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310492503.0A Pending CN104752003A (en) | 2013-12-31 | 2013-12-31 | Carbon fiber reinforced temperature self-measurement aluminum alloy lead cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767360A (en) * | 2019-11-19 | 2020-02-07 | 重庆科力线缆股份有限公司 | Flame-retardant fire-fighting low-smoke halogen-free irradiation cable |
Citations (7)
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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 |
| CN201758038U (en) * | 2010-06-25 | 2011-03-09 | 四川正方高压线缆有限公司 | Aluminum alloy cable |
| CN202003727U (en) * | 2011-04-20 | 2011-10-05 | 宜宾川电电力建设工程有限公司 | Fireproof copper-coated magnesium alloy cable |
| 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 |
| 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 |
| 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 |
-
2013
- 2013-12-31 CN CN201310492503.0A patent/CN104752003A/en active Pending
Patent Citations (7)
| 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 |
| CN201758038U (en) * | 2010-06-25 | 2011-03-09 | 四川正方高压线缆有限公司 | Aluminum alloy cable |
| CN202003727U (en) * | 2011-04-20 | 2011-10-05 | 宜宾川电电力建设工程有限公司 | Fireproof copper-coated magnesium alloy cable |
| 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 |
| 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767360A (en) * | 2019-11-19 | 2020-02-07 | 重庆科力线缆股份有限公司 | Flame-retardant fire-fighting low-smoke halogen-free irradiation cable |
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Application publication date: 20150701 |