CN204964063U - Fiber grating formula high tension switchgear temperature on -line monitoring system - Google Patents
Fiber grating formula high tension switchgear temperature on -line monitoring system Download PDFInfo
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- CN204964063U CN204964063U CN201520799722.8U CN201520799722U CN204964063U CN 204964063 U CN204964063 U CN 204964063U CN 201520799722 U CN201520799722 U CN 201520799722U CN 204964063 U CN204964063 U CN 204964063U
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Abstract
Provided is a fiber grating formula high tension switchgear temperature on -line monitoring system. Switch sound contact, generating line joint, cable joint, switch and electrical equipment's in the cubical switchboard connector is the weak link who easily is out of order, owing to reasons such as these positions contact failure, grafting malpositions, leads to contact resistance to increase. A fiber grating formula high tension switchgear temperature on -line monitoring system which constitutes and includes: fiber bragg grating sensor analysis appearance (b) (b) 1 (b) (b), fiber bragg grating sensor analysis appearance is connected with optical cable splice tray no. 1 (b) (b) 3 (b) (b) through three single fiber cable, fiber bragg grating sensor analysis appearance opposite side is connected with computer real -time supervision alarm device (b) (b) 2 (b) (b), optical cable splice tray no. 1 is connected with optical cable splice tray no. 2 (b) (b) 4 (b) (b) through multi fiber cable, optical cable splice tray no. 2 is through single fiber cable connection of one (b) (b) 5 (b) (b) of (b) (b) 1X2 (b) (b) optical divider and the connection of two (b) (b) 6 (b) (b) of (b) (b) 1X2 (b) (b) optical divider respectively. The utility model discloses the temperature of being applied to high tension switchgear detects. (B, )
Description
technical field:
the utility model relates to a kind of fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system.
background technology:
the connector of the switch sound contact in switch cubicle, busbar joint, cable splice, chopper switch and electrical equipment is troublesome weak link, because these location contacts are bad, the plug-in position not reason such as just, contact resistance is caused to increase, in big current situation, the heating at this place is serious, consequently connector temperature is abnormal, and the oxidation of aggravation surface of contact, makes contact resistance increase further, form vicious cycle, this is the major failure form of high-tension switch cabinet.
utility model content:
the purpose of this utility model is to provide a kind of fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system.
above-mentioned object is realized by following technical scheme:
a kind of fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system, its composition comprises: optical fiber grating sensing analyser, described optical fiber grating sensing analyser is connected with optical cable connecting box one by three single fiber cables, described optical fiber grating sensing analyser opposite side is connected with computer real-time monitoring warning device, described optical cable connecting box one is connected with optical cable connecting box two by multifiber cable, described optical cable connecting box two by single fiber cable respectively 1X2 optical branching device one connect be connected with 1X2 optical branching device two.
described fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system, box one, 1X6 light shunt box two are connected described 1X2 optical branching device one along separate routes with 1X6 light respectively, described 1X6 light along separate routes box one is connected with sensor one, described 1X6 light along separate routes box two is connected with sensor two, box three, 1X6 light shunt box four are connected described 1X2 optical branching device two along separate routes with 1X6 light respectively, described 1X6 light along separate routes box is connected with sensor three, and described 1X6 light along separate routes box four is connected with sensor four.
described fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system, described computer real-time monitoring warning device is connected with audible-visual annunciator, Short message alarm, relay-operated controller and other communication controlers respectively.
described fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system, described sensor two is connected with fiber-optical grating temperature sensor.
the beneficial effects of the utility model:
1. the utility model adopts optical fiber induction and transmission temperature signal, there are excellent insulating property, can high pressure in isolating switch cabinet, the high pressure be directly installed in switch cubicle easily generates heat on contact, the running temperature of on-line measurement high-voltage contact accurately, realizes early prediction and the warning of fault, when a failure occurs it, there is provided and report to the police and rapid localization of faults position, and take safe handling measure by corresponding prediction scheme.
the utility model fundamentally solves the difficult problem that in high-tension switch cabinet, contact running temperature is not easily monitored, there is the significant advantages such as reliable and stable, real-time online, automatically operation, fiber grating temperature measurement on-line warning system obtains extensive accreditation in power industry, progressively becomes the main method of power equipment on-line temperature monitoring.
the utility model is on-the-spot without the need to power supply, without metal, be not subject to the impact of electromagnetic interference (EMI) and radiation, measuring accuracy is high, speed is fast: temperature acquisition and the transmission that can complete as many as up to ten thousand monitoring points in several ms, safe class is high: the safe class not reducing monitored equipment, sensor and Transmission Fibers insulation, high pressure resistant, anti-tracking, fire-retardant, be suitable for various environment: can prolonged application in high temperature, high humidity and there are the rugged surroundings of chemical erosion etc., without drift: absolute magnitude is measured, light source decay and line loss do not affect measuring accuracy, without the need to on-the-spot calibration, remote transmission: distance can reach several kilometers to dozens of kilometres, be easy to networking, install fast, easy maintenance, more than 25 years serviceable life.
accompanying drawing illustrates:
accompanying drawing 1 is system architecture schematic diagram of the present utility model.
embodiment:
embodiment 1:
a kind of fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system, its composition comprises: optical fiber grating sensing analyser 1, described optical fiber grating sensing analyser is connected with optical cable connecting box 1 by three single fiber cables, described optical fiber grating sensing analyser opposite side is connected with computer real-time monitoring warning device 2, described optical cable connecting box one is connected with optical cable connecting box 24 by multifiber cable, and described optical cable connecting box two is connected by single fiber cable difference 1X2 optical branching device 1 and is connected with 1X2 optical branching device 26.
embodiment 2:
fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system according to embodiment 1, box 1,1X6 light shunt box 28 are connected described 1X2 optical branching device one along separate routes with 1X6 light respectively, described 1X6 light along separate routes box one is connected with sensor group 1, described 1X6 light along separate routes box two is connected with sensor group 2 12, box 39,1X6 light shunt box 4 10 are connected described 1X2 optical branching device two along separate routes with 1X6 light respectively, described 1X6 light along separate routes box is connected with sensor group 3 13, and described 1X6 light along separate routes box four is connected with sensor group 4 14.
embodiment 3:
fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system according to embodiment 1 or 2, described computer real-time monitoring warning device is connected with audible-visual annunciator 15, Short message alarm 16, relay-operated controller 18 and other communication controlers 17 respectively.
embodiment 4:
fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system according to embodiment 1 or 2 or 3, described sensor two is connected with fiber-optical grating temperature sensor 19.
embodiment 5:
automatic alarm
focus fine grating temperature sensor region automatically and carry out real time temperature monitoring, the unusual fluctuations of Test Field temperature, fire occur before and alarm.Can set the warning trigger condition of analyser, to be suitable for the difference of power equipment actual motion temperature under Various Seasonal temperature condition.
monitoring point is located
electronic chart shows the numbering of each power equipment and relevant temperature monitoring point and current temperature value and actual geographic position in real time in LCDs mode, facilitates manager works and maintenance.
status poll
each monitoring point temperature and warning message are all saved in the Large Copacity reservoir of analyser, data are divided into historical information, real-time information according to the time by system, bookkeeping personnel real-time state monitoring time interval of dynamic conditioning point being monitored can meet actual requirement, the historical temperature change curve of each monitoring point is checked, for decision-making and maintenance provide Data support in LAN (Local Area Network).
temperature statistics
equipment maximum operating temperature value and time of origin thereof, the Position Number of duration and corresponding monitoring point and geography information can be provided.
system interlock
analyser remote alarm interface output switch amount directly can access the existing fire control device in instrument operation room, realizes fire alarm and in the display of fire watch room, also sends information to related personnel's mobile phone by SMS.
circuit self-inspection and localization of fault
there is self-checking function, accurately can locate the loss of optical fiber transmission line and breakpoint location, facilitate system debug, maintenance and line maintenance.
Claims (4)
1. a fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system, its composition comprises: optical fiber grating sensing analyser, it is characterized in that: described optical fiber grating sensing analyser is connected with optical cable connecting box one by three single fiber cables, described optical fiber grating sensing analyser opposite side is connected with computer real-time monitoring warning device, described optical cable connecting box one is connected with optical cable connecting box two by multifiber cable, described optical cable connecting box two by single fiber cable respectively 1X2 optical branching device one connect be connected with 1X2 optical branching device two.
2. fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system according to claim 1, it is characterized in that: box one, 1X6 light shunt box two are connected described 1X2 optical branching device one along separate routes with 1X6 light respectively, described 1X6 light along separate routes box one is connected with sensor group one, described 1X6 light along separate routes box two is connected with sensor group two, box three, 1X6 light shunt box four are connected described 1X2 optical branching device two along separate routes with 1X6 light respectively, described 1X6 light along separate routes box is connected with sensor group three, and described 1X6 light along separate routes box four is connected with sensor group four.
3. fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system according to claim 1 and 2, is characterized in that: described computer real-time monitoring warning device is connected with audible-visual annunciator, Short message alarm, relay-operated controller and other communication controlers respectively.
4. fiber Bragg grating type temperature of high-tension switch cabinet on-line monitoring system according to claim 2, is characterized in that: described sensor two is connected with fiber-optical grating temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799722.8U CN204964063U (en) | 2015-10-16 | 2015-10-16 | Fiber grating formula high tension switchgear temperature on -line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799722.8U CN204964063U (en) | 2015-10-16 | 2015-10-16 | Fiber grating formula high tension switchgear temperature on -line monitoring system |
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| CN204964063U true CN204964063U (en) | 2016-01-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768429A (en) * | 2017-03-13 | 2017-05-31 | 无锡亚天光电科技有限公司 | A kind of high-tension switch cabinet temperature probe assembly technology |
| CN108151911A (en) * | 2018-01-19 | 2018-06-12 | 广州汉光电气股份有限公司 | A kind of optical fiber grating temperature-measuring system for high-tension switch cabinet |
| CN113607993A (en) * | 2021-06-22 | 2021-11-05 | 中国电力科学研究院有限公司 | Pressure-resistant test protection device and method based on fiber bragg grating and FPGA |
-
2015
- 2015-10-16 CN CN201520799722.8U patent/CN204964063U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768429A (en) * | 2017-03-13 | 2017-05-31 | 无锡亚天光电科技有限公司 | A kind of high-tension switch cabinet temperature probe assembly technology |
| CN108151911A (en) * | 2018-01-19 | 2018-06-12 | 广州汉光电气股份有限公司 | A kind of optical fiber grating temperature-measuring system for high-tension switch cabinet |
| CN113607993A (en) * | 2021-06-22 | 2021-11-05 | 中国电力科学研究院有限公司 | Pressure-resistant test protection device and method based on fiber bragg grating and FPGA |
| CN113607993B (en) * | 2021-06-22 | 2023-10-03 | 中国电力科学研究院有限公司 | Withstand voltage test protection device and method based on fiber bragg grating and FPGA |
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