CN103928170A - Intelligent stress variation monitoring system of novel electric transmission line - Google Patents
Intelligent stress variation monitoring system of novel electric transmission line Download PDFInfo
- Publication number
- CN103928170A CN103928170A CN201410167660.9A CN201410167660A CN103928170A CN 103928170 A CN103928170 A CN 103928170A CN 201410167660 A CN201410167660 A CN 201410167660A CN 103928170 A CN103928170 A CN 103928170A
- Authority
- CN
- China
- Prior art keywords
- stress variation
- wire cores
- grating
- transmission line
- conductive wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 title abstract description 7
- 239000013307 optical fiber Substances 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 10
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 7
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000012774 insulation material Substances 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract 2
- 239000010935 stainless steel Substances 0.000 abstract 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000009662 stress testing Methods 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 29
- 238000004891 communication Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000007547 defect Effects 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
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005693 optoelectronics Effects 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
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 238000000034 method Methods 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
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Communication Cables (AREA)
Abstract
The invention relates to an intelligent stress variation monitoring system of a novel electric transmission line. The intelligent stress variation monitoring system of the novel electric transmission line is characterized in that four conductive wire cores are included, a thermal insulation lining layer, a metal sheath and a nonmetal sheath sequentially coat the outside of the four conductive wire cores, and the gap between the four conductive wire cores and the thermal insulation lining layer is filled with magnesium oxide insulation filler; a copper conductor is arranged at the center of each conductive wire core, and an insulation layer and a protective layer sequentially coat the outside of each copper conductor; a stainless steel optical unit is further included, the stainless steel optical unit extends along the conductive wire cores, and at least one optical fiber is a fiber bragg grating with etched stress testing optical fibers. The intelligent stress variation monitoring system of the novel electric transmission line has the advantages that pure copper with high conductivity is used as the conductor, so that the electric conductivity is high; magnesium oxide minerals are used as the insulation material, the insulating property and fire resistance are high, and the stress variation of lines can be detected in real time.
Description
Technical field
The present invention relates to electric power transportation art, relate in particular to a kind of Novel power transmission circuit STRESS VARIATION intelligent monitor system.
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 plastic insulating layer easily aging, non-refractory, the easy defect such as hardening; Conventional steel reinforced aluminium conductor, its electric property, electric conductivity are bad.
In addition, existing optoelectronic composite cable, has optical fiber communication function and electric power transfer function, can realize the transmission of various control signals, network signal and electric power, and adaptation telecommunications network, Broadcasting Cable Network, the Internet, power network are netted the use needs of fusion more.But this optoelectronic composite cable STRESS VARIATION situation that is in operation cannot be monitored, and the excessive phenomenon that causes whole cable bad of stress easily occurs.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned defect of the prior art, and a kind of Novel power transmission circuit STRESS VARIATION intelligent monitor system is provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Novel power transmission circuit STRESS VARIATION intelligent monitor system, it is characterized in that, described transmission line comprises four conductor wire cores, at described four conductor wire cores, be coated with successively insulation lining, metallic sheath and non metallic sheath outward, between described four conductor wire cores and insulation lining, be filled with magnesium oxide insulated filler; Described conductor wire core center is copper conductor, at described copper conductor, is coated with successively insulating barrier and protective layer outward; Also include light unit, described smooth unit is contained in described magnesium oxide insulated filler; Described light unit comprises multifiber and the loose sleeve pipe, non-metal reinforced layer and the sheath that set gradually from inside to outside, described loose casing pipe sleeve is outside described optical fiber, in described loose sleeve pipe, fill full dry type water-blocking material, in described non-metal reinforced layer, be provided with many equally distributed water blocking yarns, between described non-metal reinforced layer and described sheath, be embedded with and tear rope; At least one optical fiber has for inscribing the grating fibers of surveying stress grating, forms a grating survey stress point on grating fibers at interval of predetermined distance, and predetermined distance is 300-500 rice.
Further, described metallic sheath is seamless copper pipe.
Further, described non metallic sheath is plastic protective layer.
The invention has the beneficial effects as follows: the copper by high conductivity is made conductor, make cable conduction rate of the present invention 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 the non metallic sheath of ragged edge, plastics outer jacket, has good Anticorrosive Character; Adopt seamless copper pipe to make metallic sheath, have good bendability and flexibility.
In actual production as use cable of the present invention, both normal transmission of electric energy, can carry out communication again, can also self carry out stress measurement.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 of use of taking in current work and survey stress equipment, save huge cost.When the circuit using cable of the present invention as transferring electric power, staff can Real-Time Monitoring circuit STRESS VARIATION.
The present invention to strengthening on-line monitoring of cable, grasp STRESS VARIATION, 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 structural representation of the present invention.
Fig. 2 is the structural representation of light of the present invention unit.
Embodiment
As shown in Figure 1, a kind of Novel power transmission circuit STRESS VARIATION intelligent monitor system, described transmission line comprises four conductor wire cores, at described four conductor wire cores, be coated with successively insulation lining 8, metallic sheath 6 and non metallic sheath 7 outward, between described four conductor wire cores and insulation lining 8, be filled with magnesium oxide insulated filler 4; Described conductor wire core center is copper conductor 1, is coated with successively insulating barrier 2 and protective layer 3 outside described copper conductor 1; Also include light unit 5, described smooth unit 5 is contained in described magnesium oxide insulated filler 4.
As shown in Figure 2, described light unit 5 comprises multifiber 51 and the loose sleeve pipe 52 setting gradually from inside to outside, non-metal reinforced layer 53 and sheath 54, pine sleeve pipe 52 is enclosed within outside optical fiber 51, the full dry type water-blocking material 55 of the interior filling of pine sleeve pipe 52, in non-metal reinforced layer 53, be provided with many equally distributed water blocking yarns 56, between non-metal reinforced layer 53 and sheath 54, be embedded with and tear rope 57; At least one optical fiber has for inscribing the grating fibers of surveying stress grating, forms a grating survey stress point on grating fibers at interval of predetermined distance, and predetermined distance is 300-500 rice.
The present invention adopts direct method of making imprinting grating on optical fiber to survey stress guide system and makes.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 stress 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 inducedstress of grating present position.Equally, by measuring catoptrical delay, the position that can learn grating.Here it is utilizes grating fibers to survey the principle of stress.
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 becoming by optical fiber imprinting is surveyed tension type 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 reflection, to survey tension type, 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 inducedstress of utilizing emitted light signal measurement diverse location grating.Here it is has realized and utilizes grating fibers to survey stress.The present invention does not need to measure the continuous stress distribution of whole piece circuit, can select every 300～500 meters of measurement points, or strengthen distribution optical grating point in sag minimum point, and select the survey tension type monitoring circuit STRESS VARIATION of grating fibers, can by the stress of grasping, adjust defeated biography capacity at any time.Preferably, can select 300 meters, 400 meters, the 500 meters spacing distances as adjacent survey stress point.
According to a specific embodiment of the present invention, 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, on every totally 15 survey stress points.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 survey stress.Facts have proved, the method can reach good effect.
Actual production is as used transmission line STRESS VARIATION intelligent monitor system of the present invention, and both normal transmission of electric energy, can carry out communication again, can also self carry out stress measurement.So just saved the equipment such as ADSL 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 of use of taking in current work and survey stress equipment, save huge cost.When the circuit using cable of the present invention as transferring electric power, staff can directly determine according to the circuit stress measuring the actual bearer situation of circuit.
Claims (3)
1. a Novel power transmission circuit STRESS VARIATION intelligent monitor system, it is characterized in that, described transmission line comprises four conductor wire cores, at described four conductor wire cores, be coated with successively insulation lining, metallic sheath and non metallic sheath outward, between described four conductor wire cores and insulation lining, be filled with magnesium oxide insulated filler; Described conductor wire core center is copper conductor, at described copper conductor, is coated with successively insulating barrier and protective layer outward; Also include light unit, described smooth unit is contained in described magnesium oxide insulated filler; Described light unit comprises multifiber and the loose sleeve pipe, non-metal reinforced layer and the sheath that set gradually from inside to outside, described loose casing pipe sleeve is outside described optical fiber, in described loose sleeve pipe, fill full dry type water-blocking material, in described non-metal reinforced layer, be provided with many equally distributed water blocking yarns, between described non-metal reinforced layer and described sheath, be embedded with and tear rope; At least one optical fiber has for inscribing the grating fibers of surveying stress grating, forms a grating survey stress point on grating fibers at interval of predetermined distance, and predetermined distance is 300-500 rice.
2. Novel power transmission circuit STRESS VARIATION intelligent monitor system as claimed in claim 1, is characterized in that, described metallic sheath is seamless copper pipe.
3. Novel power transmission circuit STRESS VARIATION intelligent monitor system as claimed in claim 1 or 2, is characterized in that, described non metallic sheath is plastic protective layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410167660.9A CN103928170A (en) | 2014-04-24 | 2014-04-24 | Intelligent stress variation monitoring system of novel electric transmission line |
| PCT/CN2014/088759 WO2015161629A1 (en) | 2014-04-24 | 2014-10-16 | Intelligent monitoring system for variation of stress of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410167660.9A CN103928170A (en) | 2014-04-24 | 2014-04-24 | Intelligent stress variation monitoring system of novel electric transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103928170A true CN103928170A (en) | 2014-07-16 |
Family
ID=51146363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410167660.9A Pending CN103928170A (en) | 2014-04-24 | 2014-04-24 | Intelligent stress variation monitoring system of novel electric transmission line |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103928170A (en) |
| WO (1) | WO2015161629A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015161629A1 (en) * | 2014-04-24 | 2015-10-29 | 国家电网公司 | Intelligent monitoring system for variation of stress of power transmission line |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE540412T1 (en) * | 2006-11-10 | 2012-01-15 | Nexans | ELECTRICAL CONNECTION CABLE FOR AN ELECTRICAL UNIT OF A MOTOR VEHICLE |
| CN201788759U (en) * | 2010-09-14 | 2011-04-06 | 上海电缆研究所 | Intelligent type overhead transmission conductor and monitoring system thereof |
| CN201886828U (en) * | 2010-12-09 | 2011-06-29 | 无锡成电光纤传感科技有限公司 | Photoelectric composite cable with temperature and stress distributively monitored at same time |
| CN203536045U (en) * | 2013-09-25 | 2014-04-09 | 国家电网公司 | Self-temperature-measuring optical fiber composite fireproof cable |
| CN203536028U (en) * | 2013-10-19 | 2014-04-09 | 河南中录电缆有限公司 | Self-temperature-measurement aluminum alloy lead composite cable |
| CN103928170A (en) * | 2014-04-24 | 2014-07-16 | 河南科信电缆有限公司 | Intelligent stress variation monitoring system of novel electric transmission line |
-
2014
- 2014-04-24 CN CN201410167660.9A patent/CN103928170A/en active Pending
- 2014-10-16 WO PCT/CN2014/088759 patent/WO2015161629A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015161629A1 (en) * | 2014-04-24 | 2015-10-29 | 国家电网公司 | Intelligent monitoring system for variation of stress of power transmission line |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015161629A1 (en) | 2015-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202512945U (en) | Carbon-fiber photoelectric composite cable with temperature measuring optical grating | |
| CN202512946U (en) | Composite carbon-fiber photoelectric overhead conductor | |
| CN201465655U (en) | Electric power optical fiber composite conducting wire | |
| CN203536045U (en) | Self-temperature-measuring optical fiber composite fireproof cable | |
| CN104535220A (en) | Electric power aerial optical cable distributive on-line monitoring device | |
| CN201984890U (en) | Medium-voltage composite cable | |
| CN104392795A (en) | Intelligent temperature measuring soft cable with 6/10kV rated voltage for coal mine | |
| CN104183328A (en) | Carbon fiber core photoelectric composite self-temperature-measurement cable | |
| CN104425083A (en) | Carbon fiber enhanced type aluminum-alloy high-voltage composite temperature measuring cable | |
| CN203536068U (en) | Aluminum alloy self-temperature-measurement photoelectric composite cable | |
| CN104752002A (en) | Carbon fiber aluminum alloy temperature self-measurement photoelectric composite cable | |
| CN104752004A (en) | Carbon fiber reinforced self-temperature-measurement composite cable with aluminum alloy conductors | |
| CN104183326A (en) | Flexible insulated self-temperature-measuring cable | |
| CN103928170A (en) | Intelligent stress variation monitoring system of novel electric transmission line | |
| CN204423930U (en) | The energy-saving low blast wire of composite core | |
| CN203536047U (en) | Self-temperature-measuring flexible insulating fireproof optical fiber composite cable | |
| CN203536028U (en) | Self-temperature-measurement aluminum alloy lead composite cable | |
| CN203536082U (en) | Self-temperature-measurement copper lead photoelectric composite cable | |
| CN104425080A (en) | Carbon fiber reinforced aluminum alloy composite house-service photoelectric cable with temperature automatic measurement function | |
| CN203536066U (en) | Mineral insulating fireproof carbon fiber self-temperature-measurement cable | |
| CN205028719U (en) | Intelligence temperature measurement mining cable | |
| CN101923921A (en) | Power optical fiber composite wire | |
| CN104751972A (en) | Carbon fiber reinforced creep-resistant aluminum alloy conductor photoelectric composite cable | |
| CN203536050U (en) | Self-temperature-measuring mineral insulating carbon fiber wire cable | |
| CN203536069U (en) | Cold resistant self-temperature-measurement cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140716 |
|
| WD01 | Invention patent application deemed withdrawn after publication |