CN109841342A - A kind of distributed optical fiber temperature measurement and communication cable - Google Patents
A kind of distributed optical fiber temperature measurement and communication cable Download PDFInfo
- Publication number
- CN109841342A CN109841342A CN201811594040.8A CN201811594040A CN109841342A CN 109841342 A CN109841342 A CN 109841342A CN 201811594040 A CN201811594040 A CN 201811594040A CN 109841342 A CN109841342 A CN 109841342A
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- cable
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- optical fiber
- temperature measurement
- fiber temperature
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention provides a kind of distributed optical fiber temperature measurement and communication cable, it includes one or three cable cores, each cable core includes: temperature measuring optical cable, communications optical cable, copper conductors, wherein, the temperature measuring optical cable, the communications optical cable and the copper conductors are twisted form stranded conductor together, and the temperature measuring optical cable and the communications optical cable are located at the inside of the copper conductors.Cable provided by the invention can have the function of thermometric monitoring and communication control simultaneously.
Description
Technical field
The present invention relates to technical field of electric power more particularly to a kind of distributed optical fiber temperature measurements and communication cable.
Background technique
Power cable is the basis of each industry, product is answered extensively as one of mating industry maximum in national economy
For fields such as electric power, building, ship and petrochemical industries, it is called " blood vessel " and " nerve " of national economy, is passed through with its people
Ji development is closely related.
China's conventional power cable design service life is 20 years or more, and middle-high voltage power cable projected life is 30 years or more.
Influencing cable life mainly has following several factors: external force damage, humidified insulation, chemical attack, long-term running overload, laying
Environment etc..
At this stage, electric power popularity in China's is very high, and the manufacturing of all trades and professions all be unable to do without electric power, thus from
Do not open power cable.And existing power cable lacks online quality-monitoring and communication function, so that operation electricity cannot be assessed effectively
, often there is cable fault and the power failure that happens suddenly in the actual mass situation of cable and timely communication control to electric system, to its people
Economy causes biggish economic loss.
With national economy high speed development, construction scale of projects increases year by year, and city is mating perfect year by year, and electricity needs will
It can increase year by year, will increase year by year so as to cause power cable demand.And power cable on the market lacks online at present
Thermometric monitoring and communication control function.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of distributed optical fiber temperature measurement and communication cable, can have simultaneously
The function of thermometric monitoring and communication control.
A kind of distributed optical fiber temperature measurement and communication cable provided by the invention, including one or three cable cores, often
A piece cable core includes: temperature measuring optical cable, communications optical cable, copper conductors, wherein the temperature measuring optical cable, the communications optical cable with
And the copper conductors are twisted form stranded conductor together, the temperature measuring optical cable and the communications optical cable are located at the copper conductors
Inside.
Preferably, each cable core further includes the conductor shield for being wrapped in the stranded conductor outer surface.
Preferably, each cable core further includes the insulating layer for being wrapped in the conductor shield outer surface.
Preferably, each cable core further includes the insulation screen for being wrapped in the insulating layer outer surface, and packet
It is rolled in the metal screen layer of the insulation screen outer surface.
It preferably, further include being wrapped in the stranding filler of one or three cable core, and be wrapped in institute
State the band of stranding filler.
It preferably, further include the metal sheath layer for being wrapped in the separation sleeve of the band, and being wrapped in the separation sleeve
With the oversheath for being wrapped in the metal sheath layer.
The invention has the following beneficial effects: in cable provided by the invention, while by temperature measuring optical cable and communication
Optical cable and copper conductors, which are twisted, forms a stranded conductor, recycles the stranded conductor to prepare to form cable, can be realized simultaneously
The function of thermometric monitoring and communication control.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of distributed optical fiber temperature measurement and communication cable in first embodiment provided by the invention.
Fig. 2 is the structural schematic diagram of distributed optical fiber temperature measurement and communication cable in second embodiment provided by the invention.
Specific embodiment
The present invention provides a kind of distributed optical fiber temperature measurement and communication cable, as depicted in figs. 1 and 2 comprising one or
Three cable cores (cable shown in FIG. 1 includes a cable core, and cable shown in Fig. 2 includes three cable cores), often
A piece cable core includes: temperature measuring optical cable 1, communications optical cable 2, copper conductors 3, wherein temperature measuring optical cable 1, communications optical cable 2 and copper
Line conductor 3 is twisted forms stranded conductor together, and temperature measuring optical cable 1 and communications optical cable 2 are located at the inside of copper conductors 3.Here electricity
Cable is generally midium voltage cable.Temperature measuring optical cable 1 and communications optical cable 2 can be located at any position of the inside of copper conductors 3.
Temperature measuring optical cable 1, communications optical cable 2 and copper conductors 3 are twisted to form stranded conductor, dissipates using in the optical fiber in optical cable
Light (Raman) signal strength is penetrated to the sensitivity characteristic of temperature, realizes precise measurement and accurate positioning to temperature change, Er Qieli
With the good communication performance of optical fibre in optical cable, timely telecommunication can be carried out to electric system.
Further, each cable core further includes the conductor shield 4 for being wrapped in stranded conductor outer surface, is led here
Body shielded layer 4 is semiconductive conductor shield.Conductor shield 4 plays the role of balanced electric field, because of temperature measuring optical cable 1, communication
After optical cable 2 and copper conductors 3 are twisted, the surface of copper conductors 3 forms many kicks, and the electric field in protrusion place can be remote high
In other places, so squeezing into one layer of conductor shield 4 is homogenized electric field.
Further, each cable core further includes the insulating layer 5 for being wrapped in 4 outer surface of conductor shield.Insulating layer 5
It is made of crosslinked polyethylene, which has good insulation characterisitic.
Further, each cable core further includes the insulation screen 6 for being wrapped in 5 outer surface of insulating layer, and packet
It is rolled in the metal screen layer 7 of 6 outer surface of insulation screen.Here, insulation screen 6 is semi-conductive insulation shield layer 6.Insulation screen
It covers layer 6 and plays the role of balanced electric field, it has with shielded insulating layer 5 well contacts.On 6 surface of insulation screen wrapped one
Layer metal screen layer 7 plays shielding electric field action.
Further, distributed optical fiber temperature measurement and communication cable further include be wrapped in one or three cable core at
Cable filler 8 (material is polypropylene filling rope), and it is wrapped in the band 9 of stranding filler 8 (material is polypropylene).
Distributed optical fiber temperature measurement and communication cable further include be wrapped in band 9 separation sleeve 10 (material be polyvinyl chloride shield
Jacking), and be wrapped in the metal sheath layer 11 of separation sleeve 10 and be wrapped in the oversheath 12 of metal sheath layer 11 (material is poly-
Vinyl chloride protective cover material).Metal sheath layer 11 and oversheath 12 can be effectively prevented cable machinery damage and chemical attack.
One or three cable cores fill roundings, twining package tape 9, extrude or wrapped separation sleeve 10, metal sheath layer 11
(metal armour) is installed on 10 outer surface of separation sleeve, and the outer surface of metal sheath layer 11 is arranged in oversheath 12.
Cable provided by the invention include temperature measuring optical cable 1, communications optical cable 2 and copper conductors 3, semiconductive conductor shield 4,
Insulating layer 5, semi-conductive insulation shield layer 6, metal screen layer 7, stranding filler 8, band 9, separation sleeve 10, metal sheath layer 11
And 12 structure of oversheath, these structures effectively can carry out online real time temperature monitoring to operation cable, realize and become to temperature
Precise measurement, accurate positioning and the timely communication function of change, can effectively prejudge cable quality defect point, carry out to defective cable section
Repairing in time and replacement, can remotely control the allotment of each block supply of electric system, to effectively reduce because cable fault is prominent
So economic loss caused by power-off.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (6)
1. a kind of distributed optical fiber temperature measurement and communication cable, which is characterized in that including one or three cable cores, Mei Yigen
Cable core includes: temperature measuring optical cable, communications optical cable, copper conductors, wherein the temperature measuring optical cable, the communications optical cable and institute
State copper conductors together be twisted form stranded conductor, the temperature measuring optical cable and the communications optical cable are located at the interior of the copper conductors
Portion.
2. distributed optical fiber temperature measurement according to claim 1 and communication cable, which is characterized in that each cable core is also
Conductor shield including being wrapped in the stranded conductor outer surface.
3. distributed optical fiber temperature measurement according to claim 2 and communication cable, which is characterized in that each cable core is also
Insulating layer including being wrapped in the conductor shield outer surface.
4. distributed optical fiber temperature measurement according to claim 3 and communication cable, which is characterized in that each cable core is also
Including being wrapped in the insulation screen of the insulating layer outer surface, and it is wrapped in the metal screen of the insulation screen outer surface
Cover layer.
5. distributed optical fiber temperature measurement according to claim 4 and communication cable, which is characterized in that further include be wrapped in it is described
The stranding filler of one or three cable core, and it is wrapped in the band of the stranding filler.
6. distributed optical fiber temperature measurement according to claim 4 and communication cable, which is characterized in that further include be wrapped in it is described
The separation sleeve of band, and be wrapped in the metal sheath layer of the separation sleeve and be wrapped in the oversheath of the metal sheath layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594040.8A CN109841342A (en) | 2018-12-25 | 2018-12-25 | A kind of distributed optical fiber temperature measurement and communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594040.8A CN109841342A (en) | 2018-12-25 | 2018-12-25 | A kind of distributed optical fiber temperature measurement and communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109841342A true CN109841342A (en) | 2019-06-04 |
Family
ID=66883353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811594040.8A Pending CN109841342A (en) | 2018-12-25 | 2018-12-25 | A kind of distributed optical fiber temperature measurement and communication cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN109841342A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202957055U (en) * | 2012-12-06 | 2013-05-29 | 国家电网公司 | Mixed-mode temperature measurement and communication phase conductor and temperature measurement and communication system |
| CN104538112A (en) * | 2014-12-25 | 2015-04-22 | 广东电网有限责任公司东莞供电局 | Optical fiber composite overhead ground wire and method for measuring temperature distribution of optical fiber composite overhead ground wire |
| CN104867590A (en) * | 2015-06-15 | 2015-08-26 | 北京亨通斯博通讯科技有限公司 | Intelligent cable |
| CN106782856A (en) * | 2016-12-27 | 2017-05-31 | 北京天成瑞源电缆有限公司 | Times capacity midium voltage cable |
-
2018
- 2018-12-25 CN CN201811594040.8A patent/CN109841342A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202957055U (en) * | 2012-12-06 | 2013-05-29 | 国家电网公司 | Mixed-mode temperature measurement and communication phase conductor and temperature measurement and communication system |
| CN104538112A (en) * | 2014-12-25 | 2015-04-22 | 广东电网有限责任公司东莞供电局 | Optical fiber composite overhead ground wire and method for measuring temperature distribution of optical fiber composite overhead ground wire |
| CN104867590A (en) * | 2015-06-15 | 2015-08-26 | 北京亨通斯博通讯科技有限公司 | Intelligent cable |
| CN106782856A (en) * | 2016-12-27 | 2017-05-31 | 北京天成瑞源电缆有限公司 | Times capacity midium voltage cable |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190604 |