CN106225950A - A kind of power cable distributed temperature measuring system based on photoswitch - Google Patents
A kind of power cable distributed temperature measuring system based on photoswitch Download PDFInfo
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- CN106225950A CN106225950A CN201610641873.XA CN201610641873A CN106225950A CN 106225950 A CN106225950 A CN 106225950A CN 201610641873 A CN201610641873 A CN 201610641873A CN 106225950 A CN106225950 A CN 106225950A
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- photoswitch
- cable
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- leader
- optical converter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a kind of power cable distributed temperature measuring system based on photoswitch, relate to power cable thermometry field.The present invention includes the first photoswitch, the second photoswitch and optical converter；The input port of the first photoswitch connects cable distribution optical fiber temperature measurement system, and the outfan of the first photoswitch connects one end of leader cable, and the other end of leader cable connects the input of the second photoswitch, and the outfan correspondence of the second photoswitch connects branch cable；Optical converter connects a computer PC, and computer PC controls the first photoswitch, the duty of the second photoswitch by optical converter；Second photoswitch is placed at packet type switch or the transformator of cable.Realized the real-time monitoring of multipair bar cable temperature by photoswitch, a backbone is accessed photoswitch simultaneously, it is divided into a plurality of branch cable, thus reaches the monitoring means of more efficient economy.
Description
Technical field
The present invention relates to power cable thermometry field, a kind of distributed survey of power cable based on photoswitch
Temperature system.
Background technology
Along with enforcement and the decline of cable application cost of urban network reconstruction, power cable obtains more and more extensive
Application.Some cities at home the most progressively replace overhead transmission line, but following one by one cable application, cause its quantity
Increase severely and run the failure problems that overlong time causes.
In order to realize the real-time monitoring to cable, people have developed cable distribution optical fiber temperature measurement system.Distributed light
Fine temp measuring system is capable of multiple spot, online distributed measurement.It is that to utilize optical fiber to carry out temperature sensor information simultaneously the most permissible
Transmission temperature information, has features such as high temperature resistant, anti-electromagnetic radiation, high bandwidth, thus significantly improve temperature resolution and
Spatial resolution, it is possible to efficiently solve the emergent problems off guard such as high temperature.Although the temperature of cable is achieved by this method
Real time on-line monitoring, but cable run has the branch cable of many, will carry out every circuit surveying with cable distribution optical fiber
Temperature system connects, it is clear that do not possess economy.This is it is to say, the monitoring of circuit a plurality of to cable is taked minimum the most as far as possible
Optical fiber distributed type temp measuring system passage, in order to come cost-effective, it is achieved economy.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the present invention provides a kind of distributed survey of power cable based on photoswitch
Temperature system, realizes the monitoring the most in real time to a plurality of circuit by accessing photoswitch.
The present invention realizes with following technical scheme: a kind of power cable distributed temperature measuring system based on photoswitch,
Including the first photoswitch, the second photoswitch and optical converter；The input port of the first photoswitch connects cable distribution optical fiber
Temp measuring system, the output port of the first photoswitch connects one end of leader cable, and the other end of leader cable connects the second photoswitch
Input port, the output port correspondence of the second photoswitch connects branch cable；Optical converter connects a computer PC, and computer PC leads to
Cross optical converter and control the first photoswitch, the duty of the second photoswitch；Second photoswitch is placed on the combination type of cable
At switch or transformator.
Preferably, the first described photoswitch has 2 input ports, 6 output ports;Second photoswitch has 6
Input port, 18 output critical points；2 input ports of the first photoswitch are directly connected with cable distribution optical fiber temperature measurement system
Connect, one end of 6 output port one group of correspondence 3 leader cables of connection two-by-two；6 input ports of the second photoswitch one group two-by-two
The corresponding other end connecting 3 leader cables, 18 output ports of the second photoswitch are divided into three groups, often 6 output ports pair of group
Three branch cables should be connected.
The invention has the beneficial effects as follows: realized the real-time monitoring of multipair bar cable temperature by photoswitch, simultaneously to one
Backbone accesses photoswitch, it is divided into a plurality of branch cable, thus reaches the monitoring means of more efficient economy；Installation side
Just, anti-interference, highly reliable, highly sensitive, precision is high, can realize monitoring in real time, and there is the value in industry.
Accompanying drawing explanation
Fig. 1 is principle of the invention block diagram.
Detailed description of the invention
Below in conjunction with Figure of description, this patent is further described.
As it is shown in figure 1, a kind of power cable distributed temperature measuring system based on photoswitch, including the first photoswitch 1, second
Photoswitch 2 and optical converter 4；The input port of the first photoswitch connects cable distribution optical fiber temperature measurement system 3, and the first light is opened
Closing one end of the output port connection leader cable of 1, the other end of leader cable connects the input port of the second photoswitch 2, the second light
The output port correspondence of switch 2 connects branch cable；Optical converter 4 connects a computer PC 5, computer PC 5 by UTP line 6
The duty of first photoswitch the 1, second photoswitch 2 is controlled by optical converter 4；Second photoswitch 2 is placed on cable
At packet type switch or transformator.
In the present embodiment, the first photoswitch has 2 input ports, 6 output ports;Second photoswitch have 6 defeated
Inbound port, 18 output critical points.
Two input ports of the first photoswitch 1 are connected with cable distribution optical fiber temperature measurement system (DTS), and the first light is opened
6 output ports of pass 1, one group of correspondence two-by-two is connected with one end of three cables A, B, C, by the switching of the first photoswitch 1,
Thus realize three cables A, B, C are carried out orderly monitoring.Article three, the other end of cable A, B, C and the second photoswitch 2
Input is connected, and is placed on power cable packet type switch or transformator by the second photoswitch 2, the second photoswitch 2
Output port have 18, wherein 6 output ports form one group totally three groups；The output port of first group is divided into cable A
Three branch lines be connected, namely A1, tri-branch cables of A2, A3；The output port of second group and cable B be divided into three
Bar branch line is connected, namely B1, tri-branch cables of B2, B3；Be divided into three articles points of the output port of the 3rd group and cable C
Branch line is connected, and that is to say C1, tri-branch cables of C2, C3；Any one leader cable can be selected by the control of photoswitch 2
Circuit, and its three branch cables are carried out orderly monitoring.Meanwhile, described optical converter and photoswitch set up connection
System, is connected with computer 5 by UTP line 6, it is possible to achieve the control to photoswitch.
The innovative point of the present invention is, according to the drawback in cable distribution optical fiber temperature measurement system, it is proposed that a kind of utilization
Photoswitch switches the method for circuit and realizes realizing a plurality of cable run monitoring in order, the most again dividing for a main line
Key in photoswitch at Zhi, it is achieved that the orderly monitoring to a plurality of branch cable, reach the same of equal districution temperature monitoring effect
Time, preferably embody economy.
The above, be only the design of the present invention, and the present invention not makees any pro forma restriction, although this
Bright disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, not
In the range of departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to equivalent change
The Equivalent embodiments changed, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention is to above real
Execute any simple modification, equivalent variations and modification that example is made, all still fall within the range of technical solution of the present invention.
Claims (2)
1. a power cable distributed temperature measuring system based on photoswitch, it is characterised in that: include the first photoswitch, the second light
Switch and optical converter；The input port of the first photoswitch connects cable distribution optical fiber temperature measurement system, the first photoswitch
Output port connects one end of leader cable, and the other end of leader cable connects the input port of the second photoswitch, the second photoswitch
Output port correspondence connects branch cable；Optical converter connects a computer PC, and computer PC controls first by optical converter
Photoswitch, the duty of the second photoswitch；Second photoswitch is placed at packet type switch or the transformator of cable.
A kind of power cable distributed temperature measuring system based on photoswitch, it is characterised in that: described
The first photoswitch there are 2 input ports, 6 output ports；Second photoswitch has 6 input ports, and 18 outputs are closed
Mouthful；2 input ports of the first photoswitch are directly connected with cable distribution optical fiber temperature measurement system, and 6 output ports are two-by-two
One group of correspondence connects one end of 3 leader cables；6 input ports of the second photoswitch, one group of correspondence two-by-two connects 3 leader cables
The other end, 18 output ports of the second photoswitch are divided into three groups, and often 6 output port correspondences of group connect three branch road electricity
Cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641873.XA CN106225950A (en) | 2016-08-08 | 2016-08-08 | A kind of power cable distributed temperature measuring system based on photoswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641873.XA CN106225950A (en) | 2016-08-08 | 2016-08-08 | A kind of power cable distributed temperature measuring system based on photoswitch |
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| CN106225950A true CN106225950A (en) | 2016-12-14 |
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| CN201610641873.XA Pending CN106225950A (en) | 2016-08-08 | 2016-08-08 | A kind of power cable distributed temperature measuring system based on photoswitch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118294033A (en) * | 2024-03-25 | 2024-07-05 | 广州旭杰电子有限公司 | Equipment temperature monitoring method and device based on temperature sensing optical cable |
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| US8014670B2 (en) * | 2007-03-16 | 2011-09-06 | Bigbangwidth Inc. | Method and apparatus for testing and monitoring data communications in the presence of a coupler in an optical communications network |
| CN202350949U (en) * | 2011-12-13 | 2012-07-25 | 陕西同力电气有限公司 | Switch cabinet fiber grating temperature measuring system |
| CN103323137A (en) * | 2012-03-24 | 2013-09-25 | 兰宏亮 | Fiber temperature measuring system of high-voltage switch cabinet of transformer substation |
| CN203479425U (en) * | 2013-08-15 | 2014-03-12 | 国网吉林省电力有限公司长春供电公司 | High-voltage equipment contact temperature on-line monitoring system based on optical network |
| CN103913251A (en) * | 2014-02-28 | 2014-07-09 | 郑兴义 | Cable temperature measuring system of internal optical fibers |
| CN205909945U (en) * | 2016-08-08 | 2017-01-25 | 国网江苏省电力公司徐州供电公司 | Power cable dispersed temperature -measuring system based on photoswitch |
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2016
- 2016-08-08 CN CN201610641873.XA patent/CN106225950A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8014670B2 (en) * | 2007-03-16 | 2011-09-06 | Bigbangwidth Inc. | Method and apparatus for testing and monitoring data communications in the presence of a coupler in an optical communications network |
| CN202350949U (en) * | 2011-12-13 | 2012-07-25 | 陕西同力电气有限公司 | Switch cabinet fiber grating temperature measuring system |
| CN103323137A (en) * | 2012-03-24 | 2013-09-25 | 兰宏亮 | Fiber temperature measuring system of high-voltage switch cabinet of transformer substation |
| CN203479425U (en) * | 2013-08-15 | 2014-03-12 | 国网吉林省电力有限公司长春供电公司 | High-voltage equipment contact temperature on-line monitoring system based on optical network |
| CN103913251A (en) * | 2014-02-28 | 2014-07-09 | 郑兴义 | Cable temperature measuring system of internal optical fibers |
| CN205909945U (en) * | 2016-08-08 | 2017-01-25 | 国网江苏省电力公司徐州供电公司 | Power cable dispersed temperature -measuring system based on photoswitch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118294033A (en) * | 2024-03-25 | 2024-07-05 | 广州旭杰电子有限公司 | Equipment temperature monitoring method and device based on temperature sensing optical cable |
| CN118294033B (en) * | 2024-03-25 | 2024-09-03 | 广州旭杰电子有限公司 | Equipment temperature monitoring method and device based on temperature sensing optical cable |
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