CN104751971A - Self-temperature-measurement optical fiber composite wire - Google Patents
Self-temperature-measurement optical fiber composite wire Download PDFInfo
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- CN104751971A CN104751971A CN201310492473.3A CN201310492473A CN104751971A CN 104751971 A CN104751971 A CN 104751971A CN 201310492473 A CN201310492473 A CN 201310492473A CN 104751971 A CN104751971 A CN 104751971A
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Abstract
The invention relates to a self-temperature-measurement optical fiber composite wire. The self-temperature-measurement optical fiber composite wire comprises a carbon fiber composite core and several layers of aluminum alloys which are stranded at the outer side of the carbon fiber composite core, and further comprises a stainless steel optical unit, wherein the stainless steel optical unit is formed by placing a plurality of optical fibers in a stainless steel protection pipe; the carbon fiber composite core comprises glass fiber filaments and a carbon fiber filament, and is formed by stranding the stranded carbon fiber filament and the glass fiber filaments, then, carrying out resin impregnation on the stranded filaments, and next, carrying out solidification by utilizing a drying oven; at least one optical fiber is a grating fiber marked with temperature-measuring grating; and a grating temperature-measuring point is formed on the grating fiber at every predetermined distance, and the predetermined distance is 300-500 meters. The self-temperature-measurement optical fiber composite wire has the following beneficial effects that the self-temperature-measurement optical fiber composite wire is flexible in texture and better in strength; the produced cable is better in flexibility than a conventional carbon fiber cable and has a smaller bending radius; and real-time temperature measurement can be realized.
Description
Technical field
The present invention relates to electric wire field, particularly relate to a kind of from thermometric optical fiber composite wire.
Background technology
Along with the development of China's economic construction, the continuous growth of electricity needs, cable is also increasing as the demand of the carrier of delivery of electrical energy, and mostly current domestic cable conductor is steel reinforced aluminium conductor and aluminium alloy conductors steel, the weight of these wires is larger, resistance is comparatively large, and existing wire electricity damages high, and energy loss is large, transmission line capability is low.Various countries are all at research novel overhead power transmission road wire, and to replace traditional steel reinforced aluminium conductor, conventional has carbon fiber composite core wire.But not enough, soft not enough, bending radius is large, and the cable bend performance made is bad for existing carbon fiber composite core wire intensity.
In addition, existing photoelectricity compound wire, 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 photoelectricity compound wire 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 wire in prior art, provides a kind of from thermometric optical fiber composite wire.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of from thermometric optical fiber composite wire, it is characterized in that, comprise carbon fiber complex core and the several layers of aluminium alloy be stranded in outside described carbon fiber complex core; Also include stainless steel light unit, described stainless steel light unit is contained in the space of described carbon fiber complex core and described aluminium alloy; Described stainless steel light unit forms for being placed in a stainless steel protection pipe by some optical fiber, and stainless steel protection pipe adopts loose tube structure, fills water-blocking material continuously, stainless steel protection pipe outer cladding one deck layers of copper in stainless steel protection pipe space; Described carbon fiber complex core comprises carbon fiber wire and glass fiber, by will become the carbon fiber wire of stock and glass fiber stranded after, adopt resin-dipping, then adopt curing oven to form; Described stainless steel light unit extends along described carbon fiber complex core and described aluminium alloy, and at least one optical fiber is inscribe the grating fibers having thermometric grating; 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 glass fibre and carbon fiber composite structure, through resin-dipping and after adopting curing oven, quality is soft, and intensity is larger, and the cable made is better than traditional carbon fibres cable flexibility, has less bending radius, can better serve transmission line.
As used wire 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 wire 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 structural representation of the present invention.
Fig. 2 is the structural representation of stainless steel light unit of the present invention.
Embodiment
As shown in Figure 1, a kind of from thermometric optical fiber composite wire, comprise carbon fiber complex core 1 and the several layers of aluminium alloy 2 be stranded in outside described carbon fiber complex core 1; Also include stainless steel light unit 3, described stainless steel light unit 3 is contained in the space of described carbon fiber complex core 1 and described aluminium alloy 2; Described carbon fiber complex core 1 comprises carbon fiber wire 8 and glass fiber 9, by will become the carbon fiber wire of stock and glass fiber stranded after, adopt resin-dipping, then adopt curing oven to form; Described carbon fiber wire is 1, and described glass fiber is 6.
As shown in Figure 2, stainless steel light unit 3 forms for being placed in a stainless steel protection pipe 4 by some optical fiber 7, and stainless steel protection pipe 4 adopts loose tube structure, plays mechanical damping, prevent the lateral pressure of twisted metal wires and play thermal insulation protection effect optical fiber 7; Fill suitable water-blocking material 6 continuously in stainless steel protection pipe 4 space, water-blocking material 6 can effectively prevent moisture or moisture content from infiltering light unit, does not damage optical fiber 7 transmission characteristic and useful life; Stainless steel protection pipe 4 outer cladding one deck layers of copper 5, effectively prevents the potential corrosion that different materials is formed.Described stainless steel light unit 3 extends along described carbon fiber complex core 1 and described aluminium alloy 2, and at least one optical fiber is inscribe the grating fibers having thermometric grating; 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, stainless steel 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 of the present invention from thermometric optical fiber composite wire in used 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 of the present invention from thermometric optical fiber composite wire as the circuit of transferring electric power time, staff directly can determine the actual bearer situation of circuit according to the line temperature measured from thermometric optical fiber composite wire.
Claims (1)
1. from a thermometric optical fiber composite wire, it is characterized in that, comprise carbon fiber complex core and the several layers of aluminium alloy be stranded in outside described carbon fiber complex core; Also include stainless steel light unit, described stainless steel light unit is contained in the space of described carbon fiber complex core and described aluminium alloy; Described stainless steel light unit forms for being placed in a stainless steel protection pipe by some optical fiber, and stainless steel protection pipe adopts loose tube structure, fills water-blocking material continuously, stainless steel protection pipe outer cladding one deck layers of copper in stainless steel protection pipe space; Described carbon fiber complex core comprises carbon fiber wire and glass fiber, by will become the carbon fiber wire of stock and glass fiber stranded after, adopt resin-dipping, then adopt curing oven to form; Described stainless steel light unit extends along described carbon fiber complex core and described aluminium alloy, and at least one optical fiber is inscribe the grating fibers having thermometric grating; 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 |
|---|---|---|---|
| CN201310492473.3A CN104751971A (en) | 2013-12-31 | 2013-12-31 | Self-temperature-measurement optical fiber composite wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492473.3A CN104751971A (en) | 2013-12-31 | 2013-12-31 | Self-temperature-measurement optical fiber composite wire |
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| CN104751971A true CN104751971A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310492473.3A Pending CN104751971A (en) | 2013-12-31 | 2013-12-31 | Self-temperature-measurement optical fiber composite wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338908A (en) * | 2021-07-12 | 2021-09-03 | 中国石油大学(华东) | Multifunctional carbon fiber and optical fiber composite rod and manufacturing method thereof |
-
2013
- 2013-12-31 CN CN201310492473.3A patent/CN104751971A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338908A (en) * | 2021-07-12 | 2021-09-03 | 中国石油大学(华东) | Multifunctional carbon fiber and optical fiber composite rod and manufacturing method thereof |
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Application publication date: 20150701 |
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| WD01 | Invention patent application deemed withdrawn after publication |