CN206019708U - A kind of long length submarine cable production monitoring system - Google Patents
A kind of long length submarine cable production monitoring system Download PDFInfo
- Publication number
- CN206019708U CN206019708U CN201620814867.5U CN201620814867U CN206019708U CN 206019708 U CN206019708 U CN 206019708U CN 201620814867 U CN201620814867 U CN 201620814867U CN 206019708 U CN206019708 U CN 206019708U
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- submarine cable
- monitoring system
- long length
- cable production
- photoamplifier
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Abstract
The utility model discloses a kind of long length submarine cable production monitoring system, including：Electric field monitoring unit, the electric field monitoring unit include monochromatic source, optical circulator, optical fiber, sensor head, photoamplifier and oscillograph；The monochromatic source is connected with the optical circulator, and the optical fiber connects the optical circulator and the sensor head, and the optical circulator is also connected with photoamplifier simultaneously, and the output end of the photoamplifier is connected with the oscillograph.The utility model long length submarine cable production monitoring system, can quickly judge the damage location that cable may be subject to when producing, judge degree of injury.
Description
Technical field
The utility model is related to power cable production fields of measurement, more particularly to a kind of long length submarine cable production prison
Examining system.
Background technology
Submarine cable is mainly used in three fields：1. continent and island, island and island；2. continent and oil platform；
3. Wind Power Plant at Sea transmission.China is an ocean big country, has very long coastline, and submarine cable is either the people
Life or power transmission all play key effect.
Due to the special laying condition of submarine cable, the jointless submarine cable of long length is the crucial ring of power transmission
Section.And the manufacturing technology of long length extra large cable is more complicated, complicated difficult heavy construction is thought by countries in the world.Therefore to sea
The monitoring of cable production process can find the position of trouble point in time, reduce the generation of burst accident.Searching can in extra large cable production
The damage that can occur, reduces the cable quality problem occurred in production, so as to reduce plant produced cost.
Utility model content
The utility model, can mainly solving the technical problems that provide a kind of long length submarine cable production monitoring system
The quick damage location for judging that cable may be subject to when producing, judges degree of injury.
For solving above-mentioned technical problem, the technical scheme that the utility model is adopted is：Long length submarine cable is produced
Monitoring system, including：Electric field monitoring unit, the electric field monitoring unit include monochromatic source, optical circulator, optical fiber, sensor
Head, photoamplifier and oscillograph；
The fiber distribution is in submarine cable to be monitored；
The monochromatic source is connected with the optical circulator, and the optical fiber connects the optical circulator and the sensor
Head, the optical circulator are also connected with photoamplifier simultaneously, and the output end of the photoamplifier is connected with the oscillograph.
In one preferred embodiment of the utility model, the submarine cable to be monitored includes conductor, absolutely from inside to outside
Edge layer, peninsula electricity buffer water-blocking band and armor, the fiber distribution is in the electricity buffer water-blocking band of the peninsula.
In one preferred embodiment of the utility model, the optical fiber is single mode or multimode fibre.
In one preferred embodiment of the utility model, the detecting system also includes stress field monitoring unit, described should
Field of force monitoring unit includes optical time domain reflectometer.
The beneficial effects of the utility model are：The utility model long length submarine cable production monitoring system, can be quick
Judge the damage location that cable may be subject to when producing, judge degree of injury.
Description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of submarine cable；
Fig. 2 is the structural representation of one preferred embodiment of the utility model long length submarine cable production monitoring system；
In accompanying drawing, the mark of each part is as follows：1- conductors, 2- insulating barriers, 3- semi-conductive buffer water-blocking bands, 5- armors；6-
Monochromatic source, 7- optical circulators, 8- optical fiber, 9- sensor heads, 10- photoamplifiers, 11- oscillographs.
Specific embodiment
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, apparent clear and definite so as to make to protection domain of the present utility model
Define.
Fig. 1 and Fig. 2 is referred to, the utility model embodiment includes：
A kind of long length submarine cable production monitoring system, including：Electric field monitoring unit and stress field monitoring unit.
The electric field monitoring unit include monochromatic source 6, optical circulator 7, optical fiber 8, sensor head 9, photoamplifier 10,
Oscillograph 11 and optical time domain reflectometer；The monochromatic source 6 is connected with the optical circulator 7, and the optical fiber 8 connects the ring of light
Shape device 7 and the sensor head 9, the optical circulator 7 are also connected with photoamplifier 10 simultaneously, the photoamplifier 10
Output end is connected with the oscillograph 11；
Area of light reflectometer when the stress field monitoring unit includes, the optical time domain reflectometer are preferably ambulatory handheld dress
Put, for detecting the stress field of submarine cable.
The submarine cable to be monitored includes conductor 1, insulating barrier 2, peninsula electricity buffer water-blocking band 3 and armouring from inside to outside
Layer 5, the optical fiber 8 are distributed in the peninsula electricity buffer water-blocking band 3.
The optical fiber is that single mode or multimode fibre, the present embodiment show single-mode fiber.
The course of work of the utility model long length submarine cable production monitoring system is as follows：
Optical fiber backscatter signal is obtained by optical time domain reflectometer, it can be found that lightguide cable link has without exception, optical fiber to decline
Subtract with whether distribution of lengths is uniform.When extra large cable is received certain stress (such as bending, pressurized etc.), it is distributed in extra large cable
Optical fiber will also occur respective reaction, make local produce added losses so as to obtaining the information of force field of the position.
Using the light sensitivity of fiber optic materials, relevant for incident light pattern is write by fibre core by the method for ultraviolet photoetching,
Produce in fibre core and prolong axial change.Phase grating is formed in optical fiber, the temperature field information of cable is obtained.
The monochromatic light that the monochromatic source is produced passes through the optical circulator, by the Optical Fiber Transmission to the sensor
Head, then the end face through the optical fiber and sensing mould reflection generation two ways of optical signals, two ways of optical signals return to institute through the optical fiber
State optical circulator, enter into after interfering in photoamplifier, light intensity signal is converted to electric signal, the electric signal again by
Oscillograph is entered after photoamplifier, by oscillograph to data acquisition process, the signal of shelf depreciation is obtained, is obtained extra large cable
Electric field data.
Using the data of above-mentioned acquisition as long length submarine cable production monitoring data model, by the submarine cable
Data model analysis data variation, threshold value judge type and position that the submarine cable broken down in process of production.
The utility model long length submarine cable production monitoring system, obtains extra large cable cable insulation, armour by test optical fiber
According to these information, dress iso-stress field, temperature field, the information of electric field, judge whether extra large cable breaks down in production, failure ground
Point and type, can quickly judge the damage location that cable may be subject to when producing, judge degree of injury.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, every
The equivalent structure that is made using the utility model specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are included in scope of patent protection of the present utility model in the same manner.
Claims (4)
1. a kind of long length submarine cable production monitoring system, it is characterised in that include：Electric field monitoring unit, the electric field prison
Surveying unit includes monochromatic source, optical circulator, optical fiber, sensor head, photoamplifier and oscillograph；
The fiber distribution is in submarine cable to be monitored；
The monochromatic source is connected with the optical circulator, and the optical fiber connects the optical circulator and the sensor head, institute
Optical circulator is stated while being also connected with photoamplifier, the output end of the photoamplifier is connected with the oscillograph.
2. long length submarine cable production monitoring system according to claim 1, it is characterised in that the sea to be monitored
Bottom cable includes conductor, insulating barrier, peninsula electricity buffer water-blocking band and armor from inside to outside, and the fiber distribution is on the peninsula
In electric buffer water-blocking band.
3. long length submarine cable production monitoring system according to claim 1, it is characterised in that the optical fiber is single mode
Or multimode fibre.
4. long length submarine cable production monitoring system according to claim 1, it is characterised in that the monitoring system is also
Including stress field monitoring unit, the stress field monitoring unit includes optical time domain reflectometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814867.5U CN206019708U (en) | 2016-07-29 | 2016-07-29 | A kind of long length submarine cable production monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814867.5U CN206019708U (en) | 2016-07-29 | 2016-07-29 | A kind of long length submarine cable production monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019708U true CN206019708U (en) | 2017-03-15 |
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ID=58246037
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620814867.5U Active CN206019708U (en) | 2016-07-29 | 2016-07-29 | A kind of long length submarine cable production monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206019708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646150A (en) * | 2018-05-02 | 2018-10-12 | 国网江苏省电力有限公司电力科学研究院 | A kind of sea electric power cable partial discharge detection device |
-
2016
- 2016-07-29 CN CN201620814867.5U patent/CN206019708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646150A (en) * | 2018-05-02 | 2018-10-12 | 国网江苏省电力有限公司电力科学研究院 | A kind of sea electric power cable partial discharge detection device |
| CN108646150B (en) * | 2018-05-02 | 2023-11-24 | 国网江苏省电力有限公司电力科学研究院 | Submarine power cable partial discharge detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |