CN203536046U - Self-temperature-measuring optical fiber composite fireproof insulating cable - Google Patents
Self-temperature-measuring optical fiber composite fireproof insulating cable Download PDFInfo
- Publication number
- CN203536046U CN203536046U CN201320593106.8U CN201320593106U CN203536046U CN 203536046 U CN203536046 U CN 203536046U CN 201320593106 U CN201320593106 U CN 201320593106U CN 203536046 U CN203536046 U CN 203536046U
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- Prior art keywords
- cable
- optical fiber
- temperature
- stainless steel
- conductor
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- Expired - Fee Related
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims description 21
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 239000004411 aluminium Substances 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 abstract 2
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 101150012579 ADSL gene Proteins 0.000 description 2
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 2
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 238000013017 mechanical damping Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000382 optic material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model relates to a self-temperature-measuring optical fiber composite fireproof insulating cable. The cable comprises a cable conductor, an insulating layer and a metal sheath. The cable conductor uses pure copper as a conductor, and the metal sheath is arranged outside the cable conductor. The insulating layer is filled between the cable conductor and the metal sheath. The insulating layer uses nonflammable high-temperature-resistant magnesium oxide as insulating material. The cable further comprises an optical unit composed a plurality of optical fibers at least one of which is a grating fiber written with a temperature measuring grating. The beneficial effects of the utility model are that high-conductivity pure copper is used as the conductor, so that the cable has high conductivity; the magnesium oxide mineral is used as the insulating material, so that the cable has high insulativity and high flame resistance; the outermost jacket is a plastic jacket, having good anticorrosion properties; the metal sheath adopts a seamless aluminium pipe, having good bendability; besides, the cable can be used for normal electric power transmission, communication, as well as self temperature measurement.
Description
Technical field
The utility model relates to electric wire field, relates in particular to a kind of from temperature-measuring optical fiber composite fire-proof insulated cable.
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.But existing cable, such as conventional organic cable (plastic cable), there is defect in its insulation property, such as the easy defect such as aging, non-refractory of plastic insulating layer; Conventional steel reinforced aluminium conductor, its electric property, wire performance are bad.
In addition, existing wire can not be realized communication function, also needs separately to establish a communication line and could meet communication function, causes and repeats wiring.The temperature rise situation that is in operation cannot be monitored, and easily occurs 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 in the utility model is the above-mentioned defect that overcomes cable in prior art, provides a kind of from temperature-measuring optical fiber composite fire-proof insulated cable.
The utility model solves the technical scheme that its technical problem adopts:
From a temperature-measuring optical fiber composite fire-proof insulated cable, it is characterized in that, comprise cable conductor, insulating barrier and metallic sheath; Described cable conductor is to make conductor by fine copper, and described metallic sheath is positioned at outside cable conductor, fills described insulating barrier between described cable conductor and metallic sheath, and described insulating barrier employing is not burnt, resistant to elevated temperatures magnesium oxide is made insulation material; Also include a stainless steel light unit, described stainless steel light unit is contained in described insulating barrier; 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 continuously water-blocking material, stainless steel protection pipe outer cladding layer of copper layer in stainless steel protection pipe space; At least one optical fiber, for inscribing the grating fibers that has thermometric grating, forms a grating point for measuring temperature at interval of predetermined distance on grating fibers, and predetermined distance is 300-500 rice.
Further, described metallic sheath is seamless copper pipe.
Further, at described metallic sheath, oversheath is set outward, described oversheath is plastic protective layer.
The beneficial effects of the utility model are: the fine copper by high conductivity is made conductor, make cable conduction rate of the present utility model high; Employing is not burnt, the magnesium oxide of high temperature resistant (2800 ℃) is made insulation material, and it insulate, fire protecting performance will be higher than common rubber or plastic insulating layer; At ragged edge oversheath, plastics outer jacket, has good Anticorrosive Character; Adopt seamless copper pipe to make metallic sheath, have good bendability; In addition, not only can conduct electricity, can also realize optical fiber communication.
In actual production as use cable of the present utility model, both normal transmission of electric energy, can carry out communication again, can also self carry out temperature survey.So just saved the equipment such as ADSL, OPGW that increase for power communication, also can reduce because the accidents such as the thunderbolt that OPGW causes threaten.Can also save in addition the very expensive GPS wire temperature measuring equipment of use of taking in current work, save huge cost.When the circuit using cable of the present utility model as transferring electric power, staff can directly determine according to described traverse survey the actual bearer situation of circuit to line temperature.
The utility model to strengthening 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 in country instantly, in building controlling the trend of environment-friendly type, economical society, more demonstrate powerful realistic meaning with all strength.
Accompanying drawing explanation
Fig. 1 is cross sectional representation of the present utility model;
Fig. 2 is the cross sectional representation of light unit in the utility model.
Embodiment
As shown in Figure 1, a kind of from temperature-measuring optical fiber composite fire-proof insulated cable, comprise cable conductor 1, insulating barrier 2 and metallic sheath 3; Described cable conductor 1 is to make conductor by fine copper, and described metallic sheath 3 is positioned at outside cable conductor 1, fills described insulating barrier 2 between described cable conductor 1 and metallic sheath 3, and described insulating barrier employing is not burnt, resistant to elevated temperatures magnesium oxide is made insulation material; Also include stainless steel light unit 5, described stainless steel light unit is contained in described insulating barrier 2; Described metallic sheath 3 is seamless copper pipes.At the outer oversheath 4 that arranges of described metallic sheath 3, described oversheath 4 is plastic protective layers.
As shown in Figure 2, stainless steel light unit 5 is for being placed in stainless steel protection pipe 6 interior composition by some optical fiber 9, and stainless steel protection pipe 6 adopts loose tube structures, and optical fiber 9 is played mechanical damping, prevents the lateral pressure of metal wire and play thermal insulation protection effect; In stainless steel protection pipe 6 spaces, fill continuously suitable water-blocking material 8, water-blocking material 8 can effectively prevent that moisture or moisture content from infiltering light unit, does not damage optical fiber 9 transmission characteristics and useful life; Stainless steel protection pipe 6 outer cladding layer of copper layers 7, effectively prevent the potential corrosion that different materials forms.At least one optical fiber, for inscribing the grating fibers that has thermometric grating, forms a grating point for measuring temperature at interval of predetermined distance on grating fibers, and predetermined distance is 300-500 rice.
The utility model adopts the method for directly making imprinting grating on optical fiber to carry out the manufacture of thermometric conductor.With the grating fibers that optical fiber imprinting becomes, be the light sensitivity of utilizing fiber optic materials, by special processing mode, make to form space phase grating in fibre core, the local mirror surface that forms an arrowband, forms reflection 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 changes can change reflection wavelength, by measuring catoptrical wavelength change, just can measure the optical fiber temperature sensor of grating present position.Equally, by measuring catoptrical delay, the position that can learn grating.Here it is utilizes the principle of grating fibers thermometric.
The mode of directly carving grating does not produce supplementary load loss, can not affect measuring distance, and this production method is better than the production method of welding.The grating fibers thermometric mode becoming by optical fiber imprinting is owing to being special optical fiber targetedly, and reflected signal is strong, therefore the transmitting power of equipment and receiving sensitivity are required all lower than Raman, to reflect thermometric mode, and the good stability of equipment.The benefit of simultaneously bringing is far measuring distance, and measuring distance can be more than 100km, and certainty of measurement is in ± 2 ℃.
On at least one optical fiber in these optical fiber, inscribe grating, in the position of setting, inscribe grating, by the temperature sensor of utilizing emitted light signal measurement diverse location grating.Here it is has realized and has utilized grating fibers thermometric.The utility model does not need the continuous temperature of measuring whole piece circuit to distribute, can select every 300～500 meters of measurement points, or strengthen distribution optical grating point in sag minimum point, and select the thermometric mode monitoring circuit variations in temperature of grating fibers, can by the temperature of grasping, adjust defeated biography capacity at any time.Preferably, can select 300 meters, 400 meters, the 500 meters spacing distances as adjacent point for measuring temperature.
According to a specific embodiment of the present utility model, inside, light unit is installed with 24 optical fiber, on 8 optical fiber in these 24 optical fiber, inscribes grating.15 gratings of imprinting all on every in these 8 optical fiber, i.e. totally 15 points for measuring temperature on every.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.
In actual production as use cable of the present utility model, both normal transmission of electric energy, can carry out communication again, can also self carry out temperature survey.So just saved the equipment such as ADSL, OPGW that increase for power communication, also can reduce because the accidents such as the thunderbolt that OPGW causes threaten.Can also save in addition the very expensive GPS wire temperature measuring equipment of use of taking in current work, save huge cost.When the circuit using cable of the present utility model as transferring electric power, staff can directly determine according to the line temperature measuring the actual bearer situation of circuit.
Claims (1)
1. from a temperature-measuring optical fiber composite fire-proof insulated cable, it is characterized in that, comprise cable conductor, insulating barrier and metallic sheath; Described cable conductor is to make conductor by fine copper, and described metallic sheath is positioned at outside cable conductor, fills described insulating barrier between described cable conductor and metallic sheath, and described insulating barrier employing is not burnt, resistant to elevated temperatures magnesium oxide is made insulation material; Also include a stainless steel light unit, described stainless steel light unit is contained in described insulating barrier; 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 continuously water-blocking material, stainless steel protection pipe outer cladding layer of copper layer in stainless steel protection pipe space; At least one optical fiber, for inscribing the grating fibers that has thermometric grating, forms a grating point for measuring temperature at interval of predetermined distance on grating fibers, and predetermined distance is 300-500 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593106.8U CN203536046U (en) | 2013-09-25 | 2013-09-25 | Self-temperature-measuring optical fiber composite fireproof insulating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593106.8U CN203536046U (en) | 2013-09-25 | 2013-09-25 | Self-temperature-measuring optical fiber composite fireproof insulating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203536046U true CN203536046U (en) | 2014-04-09 |
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ID=50422228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320593106.8U Expired - Fee Related CN203536046U (en) | 2013-09-25 | 2013-09-25 | Self-temperature-measuring optical fiber composite fireproof insulating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203536046U (en) |
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2013
- 2013-09-25 CN CN201320593106.8U patent/CN203536046U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20140925 |
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| EXPY | Termination of patent right or utility model |