CN202433120U - Temperature measuring system for optical fibers in high-voltage power distribution cabinet - Google Patents
Temperature measuring system for optical fibers in high-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN202433120U CN202433120U CN2011205160564U CN201120516056U CN202433120U CN 202433120 U CN202433120 U CN 202433120U CN 2011205160564 U CN2011205160564 U CN 2011205160564U CN 201120516056 U CN201120516056 U CN 201120516056U CN 202433120 U CN202433120 U CN 202433120U
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- optical fiber
- optical
- power distribution
- distribution cabinet
- temperature
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Abstract
A temperature measuring system for optical fibers in a high-voltage power distribution cabinet comprises a liquid crystal display screen, an audible and visual alarm, an intelligent router and an optical fiber temperature measuring host which are connected with an industrial personal computer. The intelligent router is connected with a short message alarm via the Internet, the optical fiber temperature measuring host is connected with a 1*2 optical branching device by an optical fiber tapping box and a single-core optical fiber and, the 1*2 optical branching device is connected with an optical path separator via a connecting wire, and the optical path separator is connected with a sensor probe arranged in the power distribution cabinet via a multi-mode optical fiber. Optical fiber materials with high-voltage electromagnetic interference resistance and good electrical insulating property and artificial intelligent relevant technology are adopted, the multipoint temperature detecting and real-time temperature online monitoring system is developed for the power distribution cabinet and equipment, and the optical fiber temperature measuring system can realize temperature data acquisition and remote transmission for ten thousand monitoring points within each second, and has the advantage of accurate monitoring data.
Description
Technical field
The utility model relates to the optical fiber temperature measurement system in a kind of high voltage power distributing cabinet, is used for the three-phase isolation switch contact of power distribution cabinet and the real-time online optical fiber thermometric of lead connector.
Background technology
High voltage power distributing cabinet is as the important electric equipment that distributes electric energy; In equipment long-time running process; Positions such as the switch contact in the power distribution cabinet and bus row junction are because of aging or contact resistance is excessive generates heat, and this aging heating is an individual long-term time-continuing process, and what have possibly continue some months and can display; Again because have exposed high pressure in the cabinet; Temperature monitoring to these heating positions can't be implemented with the way of routine, particularly present coming into operation of unattended operation transformer stations in a large number, and conventional manual inspection method can not be competent at especially.Owing to can not in time detect variation of temperature situation under the power distribution cabinet abnormal conditions, finally cause the generation of fire failure, cause inevitable loss.Through the real time execution situation of contact temperature in the monitoring power distribution cabinet, in time the temperature information of feedback contact is the effective solution that prevents that effectively the power distribution cabinet accident from taking place.But, realize that therefore the temperature real time on-line monitoring is the important means that guarantees the high voltage power distributing cabinet safe operation because narrow and small structural limitations in the power distribution cabinet can't be carried out conventional temperature survey again and measured with artificial inspection.
Summary of the invention
Problem to the prior art existence; The purpose of the utility model provides the optical fiber temperature measurement system in a kind of high voltage power distributing cabinet; This system mainly adopts the fibre optic temperature sensor probe contact temperature-measuring of contact; Carry out data transmission through temperature-sensitive optical fiber, avoided because of problems such as high-tension electricity magnetic interference and radio-frequency radiations.Have characteristics such as easy for installation, that thermometric is accurate, data transmission security is reliable, in time the temperature information of feedback contact effectively prevents the generation of high voltage power distributing cabinet accident.
To achieve these goals; The technical scheme that the utility model adopts is: the optical fiber temperature measurement system in a kind of high voltage power distributing cabinet; Optical fiber temperature measurement system in a kind of high voltage power distributing cabinet; Comprise LCDs, audible-visual annunciator, intelligent router and optical fiber temperature-measurement main frame that rainy industrial computer links to each other, wherein intelligent router links to each other with Short message alarm through Internet, and the optical fiber temperature-measurement main frame links to each other with the 1*2 optical branching device through optical fiber breakout box, single fiber cable; The 1*2 optical branching device links to each other with optical path separator through connecting line, and optical path separator links to each other with sensor probe in being located at power distribution cabinet through multimode optical fiber.
Described sensor probe 15 is arranged near power distribution cabinet 13 contacts and the lead connector.
Described sensor probe is more than one fluorescent optical fiber temperature sensor probe, gathers the temperature information of high voltage power distributing cabinet, and the temperature information of gathering is passed through the thermometric main frame of Optical Fiber Transmission to master control.Described signal transmission unit, it comprises optical branching device, optical fiber breakout box, optical fiber.Be mainly used in the temperature signal transmission communication.Described signal processing unit mainly comprises the thermometric main frame; It is the method that adopts the fluorescence optical fiber thermometric, and its main devices is made up of exciting light source part (inspiring exciting light), detecting temperature part (fluorescent probe and optical fiber coupling), fluorescence signal test section, part of data acquisition.This exciting light source receives voltage controlled oscillator output modulation, and exciting light sends after lens combination is coupled into optical fiber, through filter plate some parasitic lights is eliminated, and is divided into some optical fiber and the fluorescent material that is radiated on the probe inspires fluorescence through fiber coupler.Fluorescence signal gets into and receives optical fiber; Get into photodetector through fiber coupler and optical filter; With sending in the pulse modulated pair of reference signal phaselocked loop testing circuit after fluorescence signal amplification and the filtering; SCM system is gathered the last stable output of voltage controlled oscillator data is handled, and designs virtual instrument at last and passes through serial ports RS-232 and industrial computer communication demonstration.Described industrial computer; It is as the terminal monitoring main frame; The main high-performance industrial control computer that adopts; Employing standard RS-232 bus and on-the-spot multichannel optical fiber thermometric main frame constitute bus-network, and temperature monitoring, the panalarm that is distributed in on-the-spot each monitoring point carried out unified management and setting, and whole temperature datas is realized unified management.Computing machine has been installed the monitoring software of friendly interface, and monitoring and alarm settings interface are provided, and disposes active audio amplifier simultaneously, can realize that for unusual condition local voice is reported to the police and the screen graph caution.
This system is through adopting the good fiber optic materials of anti-high-tension electricity magnetic interference, electrical insulating property and adopting the artificial intelligence correlation technique; Going out multi-point temp to the power distribution cabinet equipment development detects and the real time temperature on-line monitoring system; Can survey the temperature data acquisition and the remote transmission of ten thousand monitoring points of as many as in the per second; Transmission range can reach several kilometers to tens of kilometer, and its Monitoring Data accurately and have a high cost performance.
The beneficial effect of the utility model is:
This system has adopted current advanced person's mechanics of communication, microprocessor technology, digital temperature sensing technology.Low temperature, highfield, wet environment running technology with original creation design.And, be sent to monitoring terminal to data to complete safety through adopting fiber optic materials can avoid the powerful electromagnetic interference (EMI) of high-voltage electrical equipment.
Description of drawings
Accompanying drawing is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the structural principle and the principle of work of the utility model are done further explain.
With reference to accompanying drawing; Optical fiber temperature measurement system in a kind of high voltage power distributing cabinet; Optical fiber temperature measurement system in a kind of high voltage power distributing cabinet; Comprise LCDs 1, audible-visual annunciator 5, intelligent router 3 and optical fiber temperature-measurement main frame 6 that rainy industrial computer 2 links to each other, wherein intelligent router 3 links to each other with Short message alarm 4 through Internet, and optical fiber temperature-measurement main frame 6 links to each other with 1*2 optical branching device 10 through optical fiber breakout box, single fiber cable 9; 1*2 optical branching device 10 links to each other with optical path separator 12 through connecting line 11, optical path separator 12 through multimode optical fiber 14 be located at power distribution cabinet 13 interior sensor probes 15 and link to each other.
Described sensor probe 15 is arranged near power distribution cabinet 13 contacts and the lead connector.
Described front end temperature signal collection unit is to be made up of several fibre optic temperature sensors.Described signal transmission unit comprises optical branching device, optical fiber breakout box, optical fiber.Described signal processing unit comprises the thermometric main frame.Described industrial computer adopts the high-performance industrial control computer.
A plurality of fluorescent optical fiber temperature sensor in this power distribution cabinet are made up of sensing probe 15 and connection optical fiber 14, and this sensor probe 15 is arranged near high voltage power distributing cabinet contact and the lead connector, gathers the temperature signal of high voltage power distributing cabinet.The fine tail end that connects optical fiber 14 through this sensor probe 15 is connected with the input end of optical branching device 12 in being arranged on power distribution cabinet; The synthetic a branch of main light source of a plurality of light signals is reclaimed; And be connected with the outside 1*2 optical branching devices 10 of power distribution cabinet 13; The light signal that simultaneously temperature sensor in two power distribution cabinets is detected is merged into a branch of; Get into single fiber cable 9 through its output terminal, the many single fiber cables that a plurality of power distribution cabinets connections will monitors through optical fiber breakout box 8 in the back pass through optical fiber breakout box 8 and corresponding multicore main cable 7 continued accesses together, and multicore main cable 7 directly is connected with the optical fiber temperature-measurement main frame 6 on backstage; This optical fiber temperature-measurement main frame 6 can be gathered multichannel light signal simultaneously; After multichannel light signal through 6 pairs of collections of optical fiber temperature-measurement main frame carries out conversion process, the data-signal after handling is transferred to backstage industrial computer 2 through the RS-232 communication interface, the temperature data of monitoring shows in 2 pairs of these each power distribution cabinets of backstage industrial computer; Monitoring, as note abnormalities realizing functions such as temperature signal monitoring, demonstration and fault alarm through the program software of himself installing.Carry on this industrial computer 2 the RJ45 interface can with intelligent router 3 wired connections, carry out through Internet and other computing machine on backstage that communicating by letter in the networking and reports to the police for peripheral sending short message by mobile phone.
Claims (3)
1. the optical fiber temperature measurement system in the high voltage power distributing cabinet; It is characterized in that; Comprise LCDs (1), audible-visual annunciator (5), intelligent router (3) and optical fiber temperature-measurement main frame (6) that rainy industrial computer (2) links to each other; Wherein intelligent router (3) links to each other with Short message alarm (4) through Internet; Optical fiber temperature-measurement main frame (6) links to each other with 1*2 optical branching device (10) through optical fiber breakout box, single fiber cable (9), and 1*2 optical branching device (10) links to each other with optical path separator (12) through connecting line (11), and optical path separator (12) links to each other through multimode optical fiber (14) sensor probe (15) interior with being located at power distribution cabinet (13).
2. the optical fiber temperature measurement system in a kind of high voltage power distributing cabinet according to claim 1 is characterized in that, described sensor probe (15) is arranged near power distribution cabinet (13) contact and the lead connector.
3. the optical fiber temperature measurement system in a kind of high voltage power distributing cabinet according to claim 1 is characterized in that, links to each other through RS-232 between described industrial computer (2) and the optical fiber temperature-measurement main frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205160564U CN202433120U (en) | 2011-12-13 | 2011-12-13 | Temperature measuring system for optical fibers in high-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205160564U CN202433120U (en) | 2011-12-13 | 2011-12-13 | Temperature measuring system for optical fibers in high-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202433120U true CN202433120U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205160564U Expired - Fee Related CN202433120U (en) | 2011-12-13 | 2011-12-13 | Temperature measuring system for optical fibers in high-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202433120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323502A (en) * | 2016-08-31 | 2017-01-11 | 镇江大全赛雪龙牵引电气有限公司 | High-voltage power distribution cabinet monitoring system |
| CN109520636A (en) * | 2018-11-13 | 2019-03-26 | 上海隽富机电科技有限公司 | A kind of high pressure enclosed busbar on-line monitoring management system based on optical fiber |
-
2011
- 2011-12-13 CN CN2011205160564U patent/CN202433120U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323502A (en) * | 2016-08-31 | 2017-01-11 | 镇江大全赛雪龙牵引电气有限公司 | High-voltage power distribution cabinet monitoring system |
| CN109520636A (en) * | 2018-11-13 | 2019-03-26 | 上海隽富机电科技有限公司 | A kind of high pressure enclosed busbar on-line monitoring management system based on optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |