CN206293209U - A kind of optical fiber combined temp sensing intelligent midium voltage cable - Google Patents
A kind of optical fiber combined temp sensing intelligent midium voltage cable Download PDFInfo
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- CN206293209U CN206293209U CN201621460653.9U CN201621460653U CN206293209U CN 206293209 U CN206293209 U CN 206293209U CN 201621460653 U CN201621460653 U CN 201621460653U CN 206293209 U CN206293209 U CN 206293209U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 50
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 238000005728 strengthening Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000004078 waterproofing Methods 0.000 claims description 5
- 238000002310 reflectometry Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Communication Cables (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model provides a kind of optical fiber combined temp sensing intelligent midium voltage cable, it is characterized in that with one or two Fibre Optical Sensor units, one or three cable unit, an and optical transmission unit is twisted into cable core, cable unit be three when, by Fibre Optical Sensor unit it is centrally-disposed on；In the outside of cable core, presumable belting layer, inner liner, armor and outer jacket are set gradually from inside to outside；The utility model is integrated Fibre Optical Sensor, fiber optic communication and power transmission, and each unit is separate, realizes the function of power transmission, signal transmission and monitoring temperature integration.Grating array type sensor fibre is used in the utility model, its sensing point is more up to thousands of, and distance sensing is long, high mechanical strength, fast response time, temperature test high precision.
Description
Technical field
The utility model is related to a kind of optical fiber combined temp sensing intelligent midium voltage cable used in field of power transmission, category
In power transmission fiber optic communication field of sensing technologies.
Background technology
Power cable carries very important effect in whole operation of power networks, and its safe operation has to whole power network
Special significance.But the normal cable for transmitting electric power is used in the market, without to inherently safe and fortune
The function that row state is perceived.Current overload and local pressure when power cable runs etc., are all likely to result in the peace of cable
Row hidden danger for the national games, and power department be as these reasons, must inspect periodically maintenance, laborious consumption wealth takes.
Utility model content
The utility model is to avoid the deficiency existing for above-mentioned prior art, there is provided a kind of optical fiber combined temp senses intelligence
Energy midium voltage cable, Fibre Optical Sensor, fiber optic communication and power transmission are organically combined, and pass electric power transfer unit, light
Defeated unit is separate, do not interfere with each other, to reach the function that power transmission, signal transmission and monitoring temperature are integrated.
The utility model is adopted the following technical scheme that to solve above-mentioned technical problem：
The utility model optical fiber combined temp sensing intelligent midium voltage cable is structurally characterized in that：With one or two Fibre Optical Sensors
Unit, one or three cable units, and an optical transmission unit is twisted into cable core, when cable unit is three, by light
On fine sensing unit is centrally-disposed；In the outside of the cable core, belting layer, inner liner, armour are set gradually from inside to outside
Dress layer and outer jacket；
The Fibre Optical Sensor unit is that a sensor fibre is embedded in metal tube, and the sensor fibre is grating array
Type sensor fibre；
The cable unit is to be twisted into cable conductor by electrician's copper free wire, the surface of the cable conductor from it is interior to
Conductor shield, insulating barrier and insulation screen are followed successively by outward, in the wrapped formation metallic shield in the surface of the insulation screen
Layer；
The optical transmission unit is that optical fiber is inserted in into Loose tube, and shape is filled with the compound that blocks water in the Loose tube
Into inner waterproofing layer；Centered on a nonmetallic strengthening core, each Loose tube is around the common stranded circular cable of nonmetallic strengthening core
Core, fills the compound that blocks water and forms exterior waterproof coating at the gap of the circular cable core, extrude to form shield on the circular cable core
Set.
The design feature of the utility model optical fiber combined temp sensing intelligent midium voltage cable lies also in：The sensor fibre is
Reflectivity is 0.01%~1% grating array type sensor fibre under 1550nm wavelength.
The design feature of the utility model optical fiber combined temp sensing intelligent midium voltage cable lies also in：Constitute cable conductor
The elongation at break of electrician's copper free wire is not less than 25%.
The design feature of the utility model optical fiber combined temp sensing intelligent midium voltage cable lies also in：The Transmission Fibers are
Single-mode fiber or multimode fibre.
Compared with the prior art, the utility model has the beneficial effect that：
1st, all kinds of exceptions signified in background technology are most of can be embodied by the change of cable body running temperature
Come, using the utility model real-time monitoring cable operating temperature power department can be allowed to understand the operation conditions of cable body at any time,
Deal carefully with time, switched to " scientific management " by " experience management ".
2nd, be combined for the function of optical fiber sensing, fiber optic communication and power transmission by the utility model, correlation unit
Work it is separate, do not interfere with each other, realize power transmission, signal transmission and body running temperature monitor in real time integration
Whether function, judge cable in normal operating conditions or overload, compromise state by monitoring the actual temperature of cable, it is ensured that
The normal orderly operation of cable, effectively reduces the fault rate of power network.
3rd, grating array type sensor fibre is used in the utility model, its sensing point spacing is small, and quantity is reachable on 1 circuit
Thousands of, test position precision is high, high mechanical strength, fast response time, and temperature test high precision, distance sensing is long.
4th, the strengthening core in the utility model in optical transmission unit is nonmetallic strengthening core, it is to avoid metallic strength member is in electricity
Influence of the eddy-current loss produced in power transmitting procedure to cable.
5th, grating array type sensor fibre is used in the utility model, Exterior cable certain area can be detected in the short time
Interior temperature change, can accomplish and alarm and precise positioning for the fire incident in the region, it is to avoid accident upgrading, reduction are damaged
Lose.
6th, the Fibre Optical Sensor unit in the utility model is adjacent with every cable unit, can be detected simultaneously by every cable list
The temperature change of unit, the running temperature of displays temperature highest cable unit.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is Fibre Optical Sensor cellular construction schematic diagram in the utility model；
Fig. 3 is cable unit structural representation in the utility model；
Fig. 4 is optical transmission unit structural representation in the utility model.
Label in figure：1 sensing unit, 1-1 sensor fibres, 1-2 metal tubes, 2 cable units, 2-1 conductors, 2-2 conductor screens
Cover layer, 2-3 insulating barriers, 2-4 insulation screens, 2-5 metal screen layers, 3 optical transmission units, 3-1 optical fiber, 3-2 Loose tubes, 3-3
Inner waterproofing layer, the nonmetallic strengthening cores of 3-4,3-5 exterior waterproof coatings, 3-6 sheaths, 4 cable cores, 5 belting layers, 6 inner liners, 7 armors, 8
Outer jacket.
Specific embodiment
Referring to Fig. 1, the structure type of optical fiber combined temp sensing intelligent midium voltage cable is in the present embodiment, with one or two
Individual sensing unit 1, one or three cable units 2, and an optical transmission unit 3 is twisted into cable core 4, is in cable unit 2
At three, by Fibre Optical Sensor unit 1 it is centrally-disposed on；In the outside of cable core 4, set gradually from inside to outside belting layer 5,
Inner liner 6, armor 7 and outer jacket 8.
As shown in Fig. 2 sensing unit 1 is that a sensor fibre 1-1 is embedded in metal tube 1-2, sensor fibre 1-1 is
Grating array type sensor fibre；Sensor fibre 1-1 is the light that reflectivity is 0.01%~1% under 1550nm wavelength in the present embodiment
Grid-array type sensor fibre.
As shown in figure 3, cable unit 2 is to be twisted into cable conductor 2-1 by electrician's copper free wire, cable conductor 2-1's
Surface is followed successively by conductor shield 2-2, insulating barrier 2-3 and insulation screen 2-4 from inside to outside, in the table of insulation screen 2-4
Face is wrapped to form metal screen layer 2-5.
As shown in figure 4, optical transmission unit 3 is that optical fiber 3-1 is inserted in into Loose tube 3-2, with the chemical combination that blocks water in Loose tube 3-2
Thing is filled to form inner waterproofing layer 3-3；Centered on a nonmetallic strengthening core 3-4, each Loose tube 3-2 adds around nonmetallic
The strong common stranded circular cable cores of core 3-4, fill the compound that blocks water and form exterior waterproof coating 3-5, in circle at the gap of circular cable core
Extrude to form sheath 3-6 on shape cable core.
In specific embodiment, the elongation at break for constituting electrician's copper free wire of cable conductor 2-1 is not less than 25%；Transmission
Optical fiber 3-1 is single-mode fiber or multimode fibre.
Fibre Optical Sensor unit following steps for manufacturing in the present embodiment：
Step 1, in fiber drawing process it is online using UV light optical fiber by grating writing fibre core, then carry out
Optical fiber coating solidification is made the sensor fibre of structural integrity, sensor fibre and Fibre Optical Sensor unit is had good mechanical strength
With consistent sensing characteristicses.
Step 2, sensor fibre is embedded in metal tube using seamed metal tube welding procedure, to ensure that sensor fibre is excellent
Good sensing characteristicses, make sensor fibre embedded metal tube under the tension of stabilization in cabling process.
Cable unit following steps for manufacturing in the present embodiment：
Step 1, cable conductor is twisted into using electrician's copper free wire, it is 11-20 to set stranded lay ratio
Step 2, cable conductor is completed into conductor shield, insulating barrier and insulation screen on three-layer co-extruded extrusion equipment
Extrusion and cooling shaping, and the wrapped metal tape in outer surface in insulation screen forms metal screen layer.
Optical transmission unit following steps for manufacturing in the present embodiment：
Step 1, the optical fiber of coloring is put into Loose tube in the way of active unwrapping wire, filling blocks water chemical combination in Loose tube
Thing forms inner waterproofing layer, and the fine tension force of putting of optical fiber is set to 50-120g.
Step 2, centered on nonmetallic strengthening core, by the common stranded circular cable core of Loose tube and strengthening core, and fill
The compound that blocks water forms exterior waterproof coating, extrudes to form pe sheath in circular cable core appearance.
Claims (4)
1. a kind of optical fiber combined temp sensing intelligent midium voltage cable, it is characterized in that：With one or two Fibre Optical Sensor units (1), one
Individual or three cable units (2), an and optical transmission unit (3) is twisted into cable core (4), cable unit (2) for three when,
By Fibre Optical Sensor unit (1) it is centrally-disposed on；In the outside of the cable core (4), belting layer is set gradually from inside to outside
(5), inner liner (6), armor (7) and outer jacket (8)；
The Fibre Optical Sensor unit (1) is that a sensor fibre (1-1) is embedded in metal tube (1-2), the sensor fibre
(1-1) is grating array type sensor fibre；
The cable unit (2) is to be twisted into cable conductor (2-1) by electrician's copper free wire, in the cable conductor (2-1)
Surface is followed successively by conductor shield (2-2), insulating barrier (2-3) and insulation screen (2-4) from inside to outside, in the insulation shielding
The surface of layer (2-4) is wrapped to form metal screen layer (2-5)；
The optical transmission unit (3) is that optical fiber (3-1) is inserted in into Loose tube (3-2), with blocking water in the Loose tube (3-2)
Compound is filled to form inner waterproofing layer (3-3)；Centered on a nonmetallic strengthening core (3-4), each Loose tube (3-2) around
The common stranded circular cable core of nonmetallic strengthening core (3-4), fills the compound that blocks water and forms outer at the gap of the circular cable core
Waterproof layer (3-5), extrudes to form sheath (3-6) on the circular cable core.
2. optical fiber combined temp sensing intelligent midium voltage cable according to claim 1, it is characterized in that：The sensor fibre
(1-1) is the grating array type sensor fibre that reflectivity is 0.01%~1% under 1550nm wavelength.
3. optical fiber combined temp sensing intelligent midium voltage cable according to claim 1, it is characterized in that：Constitute cable conductor
The elongation at break of electrician's copper free wire of (2-1) is not less than 25%.
4. optical fiber combined temp sensing intelligent midium voltage cable according to claim 1, it is characterized in that：The Transmission Fibers
(3-1) is single-mode fiber or multimode fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460653.9U CN206293209U (en) | 2016-12-29 | 2016-12-29 | A kind of optical fiber combined temp sensing intelligent midium voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460653.9U CN206293209U (en) | 2016-12-29 | 2016-12-29 | A kind of optical fiber combined temp sensing intelligent midium voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293209U true CN206293209U (en) | 2017-06-30 |
Family
ID=59155114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460653.9U Active CN206293209U (en) | 2016-12-29 | 2016-12-29 | A kind of optical fiber combined temp sensing intelligent midium voltage cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN206293209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845445A (en) * | 2017-11-27 | 2018-03-27 | 深圳市特发信息股份有限公司 | A kind of optical fiber composite medium-pressure cable and cable In-Line Temperature Measure System |
| CN109633846A (en) * | 2019-02-26 | 2019-04-16 | 上海长跃通信技术有限公司 | A kind of 5G Internet of Things sensing optic cable |
-
2016
- 2016-12-29 CN CN201621460653.9U patent/CN206293209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845445A (en) * | 2017-11-27 | 2018-03-27 | 深圳市特发信息股份有限公司 | A kind of optical fiber composite medium-pressure cable and cable In-Line Temperature Measure System |
| CN109633846A (en) * | 2019-02-26 | 2019-04-16 | 上海长跃通信技术有限公司 | A kind of 5G Internet of Things sensing optic cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent medium voltage cable with optical fiber composite temperature sensor Effective date of registration: 20221026 Granted publication date: 20170630 Pledgee: Agricultural Bank of China Co.,Ltd. Wuwei City Sub branch Pledgor: ANHUI LONGLIAN INTELLIGENT PHOTOELECTRIC CO.,LTD. Registration number: Y2022980019707 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231023 Granted publication date: 20170630 Pledgee: Agricultural Bank of China Co.,Ltd. Wuwei City Sub branch Pledgor: ANHUI LONGLIAN INTELLIGENT PHOTOELECTRIC CO.,LTD. Registration number: Y2022980019707 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Kind of Fiber Optic Composite Temperature Sensing Intelligent Medium Voltage Cable Effective date of registration: 20231024 Granted publication date: 20170630 Pledgee: Agricultural Bank of China Co.,Ltd. Wuwei City Sub branch Pledgor: ANHUI LONGLIAN INTELLIGENT PHOTOELECTRIC CO.,LTD. Registration number: Y2023980062703 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |