CN102706438A - System for monitoring vibration frequency of high-voltage transmission conductor on line - Google Patents
System for monitoring vibration frequency of high-voltage transmission conductor on line Download PDFInfo
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- CN102706438A CN102706438A CN2012102003255A CN201210200325A CN102706438A CN 102706438 A CN102706438 A CN 102706438A CN 2012102003255 A CN2012102003255 A CN 2012102003255A CN 201210200325 A CN201210200325 A CN 201210200325A CN 102706438 A CN102706438 A CN 102706438A
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Abstract
The invention relates to a system for monitoring the vibration frequency of a high-voltage transmission conductor on line. The system comprises a data acquisition terminal and a data monitoring center, wherein the data acquisition terminal is used for transmitting acquired data information to the data monitoring center through a global system for mobile communications (GSM) network. According to the system, an accurate vibration frequency result can be acquired by the characteristic of high electromagnetic interference resistance of a fiber bragg grating; simultaneously, meteorological data of temperatures, humidity, wind speeds, wind directions and the like in an ambient environment during vibration of the conductor is acquired and is transmitted to the monitoring center through the GSM network which has a wide covering range; and an alarm is given under a bad vibration condition by a vibration characteristic of intelligently recording and analyzing the conductor, and a reference is provided for the design and transformation of subsequent electric power circuits.
Description
Technical field
The present invention relates to a kind of on-line monitoring system, relate in particular to a kind of high voltage electricity transmission conductive wire vibration frequency on-line monitoring system.
Background technology
China's energy resource mainly concentrates on western part, and the eastern region resource is deficient relatively.The east economic development is very fast, needs the more energy, and it is a kind of economy, cleaning, energy mode of movement efficiently that electric power is carried, and ultra-high-tension power transmission line is the carrier that high-tension electricity is carried, so the health status of the ultra-high-tension power transmission line important that just seems.Ultra-high-tension power transmission line places physical environment usually, is subject to the influence of environment, such as gentle breeze.
The aeolian vibration of ultra-high-tension power transmission line is a kind of phenomenon of the conductor vibration that causes of the excitation owing to wind, and vibration duration is longer, is generally several hours, is a couple of days sometimes.The result of long-term vibration causes tired disconnected strand of lead, gold utensil wear out failure easily, during serious vibration, even causes the broken string accident, jeopardizes line security stable operation.In order to prevent the harm of aeolian vibration, need take suitable vibration protection to high voltage electricity transmission conductive wire, promptly scientific and reasonable selection anti rattler.Need carry out the vibrationproof design, and the most important the most directly foundation of vibrationproof design is exactly the measurement of carrying out on-the-spot aeolian vibration for this reason.
The aeolian vibration of lead is directly perceived unlike the conductor galloping that kind, can observe with the naked eye.Aeolian vibration has certain disguise to the harm of lead, belongs to chronic deterioration, and generally after observing accidents such as tired disconnected thigh of lead or gold utensil damage, aeolian vibration at this moment is very serious to the harm of ultra-high-tension power transmission line.And statistical data and test both at home and abroad show that aeolian vibration makes lead produce tired disconnected strand, begins from the lead internal layer sometimes, and appearance can't find.Therefore, have only, the ruuning situation of lead is carried out on-line monitoring could in time find the hidden danger that aeolian vibration causes through on-the-spot vibration measuring.So strengthening the monitoring of the aeolian vibration of ultra-high-tension power transmission line has great importance.
In the past, the mode of manual observation is adopted in the aeolian vibration monitoring usually, and there is very big defective in this mode, and not only cost of labor is high, and measurement result is inaccurate.This is because under normal conditions, and the size of the amplitude of the aeolian vibration of high voltage electricity transmission conductive wire can not surpass three times of diameter of wire, and naked eyes are difficult for observation, lead the regional physical environment of process generally all more remote, be not easy to field observation.
Light has natural advantage as the sensing amount, good insulating, the anti-electromagnetic interference capability that volume is little, in light weight, highly sensitive, very strong.Very strong electromagnetic interference (EMI) is arranged around the ultra-high-tension power transmission line, and tradition is the interference that the device of sensing amount is subject to this environment with the electricity, causes the inaccurate even components from being damaged of measurement result.Optical device is not vulnerable to electromagnetic interference (EMI) as sensing element, is adapted at work under the strong-electromagnetic field environment.Therefore, research, a kind of simple and easy, practical and cheap high voltage electricity transmission conductive wire vibration frequency on-line monitoring system based on optical fiber technology of invention are for the health monitoring of China's power transmission line, with playing important and the very effect of reality.
WebGIS (web geographic information system; Network geographic information system) is a kind of distribution of carrying out geographic information data based on the internet platform; The system of sharing and exchanging cooperation; Through years of development, it has been made significant headway in theoretical, technological and application, has promoted the popularization and application of GIS-Geographic Information System.
Summary of the invention
Technical matters to be solved by this invention provide a kind of efficient, measurement result accurately, the high voltage electricity transmission conductive wire vibration frequency on-line monitoring system of concentrating monitoring on a large scale is provided.
The present invention utilizes the strong characteristics of fiber grating anti-electromagnetic interference capability, can obtain vibration frequency result accurately, the humiture in the surrounding environment when gathering conductor vibration simultaneously; Weather datas such as wind speed and direction; The GSM network sends it back Surveillance center through covering widely, and the vibration characteristic of intelligent record and analysis lead is sending early warning under abominable vibration situation; For the design of the power circuit in later stage and transformation provide reference, also can real-time map query display be provided simultaneously for the client.
The technical scheme that the present invention adopted is: a kind of high voltage electricity transmission conductive wire vibration frequency on-line monitoring system; It comprises: data collection station and data monitor center, and data collection station is given data monitor center with the data message that collects through the gsm communication network delivery;
Described data collection station includes optical fiber, FBG fibre optic strain sensor, first controller module, SLED light source module, optical property detection module, circulator, power module, data memory module, humiture detection module, the first gsm wireless network communication module, measuring wind speed module, real-time clock module, first level translator;
Described optical fiber is connected with high voltage electricity transmission conductive wire through securing member, and described FBG fibre optic strain sensor is arranged on the optical fiber;
Described first controller module is connected with FBG fibre optic strain sensor, SLED light source module, optical property detection module, circulator, power module, data memory module, humiture detection module, the first gsm wireless network communication module, measuring wind speed module, real-time clock module, first level translator respectively;
Described FBG fibre optic strain sensor is connected with circulator, and described circulator is connected with SLED light source module, optical property detection module (OPM) respectively;
The described first gsm wireless network communication module is connected with first level translator;
Described power module is that all modules of data collection station provide power supply;
Described data monitor center comprises host computer and Data Receiving unit, and described host computer is connected with the Data Receiving unit through serial ports;
Described Data Receiving unit comprises second controller module, the second gsm wireless network communication module, second level translator; Described second controller module is connected with the second gsm wireless network communication module with second level translator respectively, and described second level translator is connected with the second gsm wireless network communication module;
Described first controller module control SLED light source luminescent, light incides the FBG fibre optic strain sensor through behind the circulator, and the light after the reflection of FBG fibre optic strain sensor is through arriving the optical property detection module behind the circulator; Described first controller module reads the wavelength information that the optical property detection module is read; When high voltage electricity transmission conductive wire vibrates; The FBG fibre optic strain sensor is also along with vibration; FBG fibre optic strain sensor generation deformation; Thereby the wavelength that reflects through the FBG fibre optic strain sensor is also changed; The optical property detection module passes to first controller module with the wavelength signals that changes, and first controller module carries out Fast Fourier Transform (FFT) after a frame data collection is accomplished; Wavemeter according to changing is calculated the vibration frequency of lead; Read the data of humiture detection module and measuring wind speed module afterwards, again with the conductor vibration frequency that calculates through passing to the first gsm wireless communication network module through first level translator, the first gsm wireless communication network module with the conductor vibration frequency transmission to data monitor center; The temporal information that also has real-time clock module of transmission simultaneously, the humiture of humiture detection module, the wind speed and direction of measuring wind speed module, described first controller module is write into data memory module with the data of the wind speed and direction of the humiture of the temporal information of conductor vibration frequency, real-time clock module, humiture detection module, measuring wind speed module; The second gsm wireless network communication module of data monitor center receives the data message that the first gsm wireless communication network module transmits; And data message passed to second controller module through second level translator, second controller module is given host computer with data information transfer.
Press such scheme, described FBG fibre optic strain sensor and optical property detection module have a plurality of.
Press such scheme, the scanning wavelength scope of described optical property detection module belongs to the expansion C-band between 1528nm-1568nm; Described FBG fibre optic strain sensor adopts the Metal Packaging protection.
Press such scheme, the scope of the centre wavelength of described SLED light source is between 1528nm-1568nm, and the spectral range of-3dB is at 35nm; Described optical fiber is single-mode fiber; Described power module is rechargeable iron lithium phosphate battery, and the charging modes of described rechargeable iron lithium phosphate battery is that solar panel charges a battery and/or gets and can charge a battery from high voltage electricity transmission conductive wire with electromagnetic induction coil.
Press such scheme, the described first gsm wireless communication network module and the second gsm wireless communication network module adopt the MC52i module; Described first controller module and second controller module adopt the C8051F060 low-power scm; Described first level translator and second level translator adopt the MAX3232 module; Described data memory module adopts the 24C256 chip; Described humiture detection module adopts the Temperature Humidity Sensor with DB150 flange connecting-type humiture probe; Described measuring wind speed module adopts digital air velocity transducer EC-9S (X).
Press such scheme, described data monitor center also includes GIS server, WEB server and browser, and GIS server and WEB server are given with the data transfer that receives in the Data Receiving unit of data monitor center; The GIS server uses the WebGIS technology; Real-time and Dynamic generates the GIS picture; Described browser obtains positional information, vibration information, the weather information of lead through network acquisition GIS picture with from Web server; According to lead location information the lead icon is added on the GIS map, on the display of the host computer of data monitor center, show.Host computer provides different access rights through access to netwoks WebGIS (GIS-Geographic Information System) to different users.
Data monitor center of the present invention; Be that WebGIS technology, JavaScript (a kind of based on object and event driven client script language) technology are combined; JavaScript can make multiple-task only just can accomplish in client and not need the participation of network and server; Thereby support distributed computing and processing, alleviated the burden of Network Transmission and server greatly.Under this technology; All operations are all accomplished in this locality; Server only need provide data, services, and network also only needs to utilize JavaScript to realize real-time response and the processing of application program to user behavior the disposable transmission of data; Mouse event for example, the page is written into, the initiation of asynchronous request and response etc.The once mutual process of application program and server is following: the user carries out certain operation on the page, such as clicking the mouse; According to the corresponding JavaScript code of user's operation calls; Send the XMLHttpRequest request through this JavaScript code to mending server; Server carries out a series of processing according to the XMLHttpRequest request that sends over, and process result is sent it back client; Call after the data arrives client corresponding JavaScript code with data presentation in client, accomplish one-time request.The page events that is produced by the user is transferred to JavaScript and is handled, and it is responsible for sending request to server, and server is passed back is business datum but not HTML, and data are played up after accepting, and the parsing through browser shows on the page.Just the mode of geographical base map is provided; Mode-server end that again neither be traditional generates grid map with the magnanimity map vector temporarily and issues client; But generated grid map in advance; Needn't do any processing when the user asks and just can issue client immediately, this will alleviate server end calculating and Network Transmission burden greatly, also avoid the magnanimity vector data transmission of carrying out just to basic view simultaneously.Given browser with the work of action listener and page rendering like this, and background server only is responsible for the processing of service logic.Adopt B/S framework (brower/server, browser server structure), data center is as data server; Receive the information that field data acquiring terminal is gathered through the GSM network; Through network the browse queries service is provided, client is installed browser application, and browser application sends request to server; Server response user's request msg, the communication construction pattern between data center and the user adopts the B/S framework.The background server end adopts WebGIS (GIS-Geographic Information System) technology; Dynamically generate the GIS map picture; And obtaining positional information, status information, the foreground browser end adopts the Javascript technology, according to the on-the-spot geographical location information of lead; Lead icon and GIS map picture is superimposed, show the real-time status that lead moves at the WebGIS page.The present invention adopts the B/S framework; Thereby the real-time status that the locating and displaying lead moves on the WebGIS page fast and accurately; And amplify, dwindle or during move operation, the lead icon in the WebGIS page also amplifies accordingly, dwindles and moves when carrying out map, remain icon sizes and the map size is moderate; The position of positioning lead shows its status information in real time fast and accurately.
The present invention is through setting up the geographical information platform of a shared data; The running status of transmission pressure in the area is integrated on the platform, realizes the unified management of monitoring system, so only need less personnel can realize the real-time monitoring and evaluation of transmission line of electricity on a large scale; Guarantee that system can maximizedly play a role; Ensured the safe operation of lead, can make the valuable data of magnanimity of collection well be used for research again, simultaneously when burst accident occurring; For the decision-making of competent authorities provides the real time data foundation, society and economic loss that the minimizing accident produces.
Use of the present invention is: high voltage electricity transmission conductive wire vibration frequency on-line monitoring system is made up of data collection station and data monitor center, and data collection station passes to data monitor center with data messages such as the conductor vibration frequency that collects, temporal information, humiture, wind speed and directions through the gsm wireless communication network.The use of high voltage electricity transmission conductive wire vibration frequency on-line monitoring system is convenient to operation department and under emergency, is formulated counter-measure, considers during simultaneously also for line design that weather conditions, setting prevention level provide reliable basis.
Data monitor center among the present invention is the webserver-FTP client FTP, and data collection station is to data monitor center transmitting supervisory data, and client realizes the real-time monitoring to the ultra-high-tension power transmission line zone through downloading Monitoring Data.
It is one that the present invention collects data acquisition, data transmission, data processing and data query; Monitoring system than in the past is all more perfect, and when vibration took place lead, the wavelength of reflected back changed; The collection of data in seconds just can be accomplished, and has realized efficiently detecting fast; The used wavelength change of conductor vibration frequency that invention is calculated is a relative value, and the influence that temperature causes can be ignored, so measurement result is prepared reliable.
The present invention has following advantage:
(1) the present invention utilizes the FBG fibre optic strain sensor, and the ability of good anti-ultra-high-tension power transmission line strong electromagnetic is on every side arranged, and can obtain result of oscillation accurately; The present invention adopts the gsm wireless communication network module; Only need utilize existing GSM network can realize wirelessly transmitting data; Realize being convenient to the real-time condition of instant understanding monitoring section through webserver client, so that when producing vibration to detecting the real-time down loading updating of data; In time react, improved the accuracy of monitoring.
(2) the present invention can use a cover SLED light source according to the demand of field monitoring, uses a plurality of FBG fibre optic strain sensors and optical property detection module, realizes multiplexed distributed measurement, under the prerequisite that improves monitoring precision, has practiced thrift cost.
(3) utilize existing commercial GSM network, need not apply for wireless frequency, the gsm communication net itself has stronger error correction capability, can guarantee reliability of data transmission; Carry out long-distance data transmission through the GSM network, promptly monitoring center can be away from the monitoring section scope, has realized the monitoring of suiting measures to local conditions being specially adapted to the monitoring to remote districts.
(4) the present invention can realize high efficiency monitoring, can write down relevant weather data simultaneously, and automaticity is high, is fit to the application of open-air transmission line of electricity monitoring.
(5) the present invention has set up unified data managing display system, and WebGIS provides good view interface for the user, can pass through network access system at any time, obtains lead running status situation, and is easy to operate.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structured flowchart of data collection station of the present invention.
Fig. 3 is the syndeton synoptic diagram of optical fiber of the present invention and FBG fibre optic strain sensor and high voltage electricity transmission conductive wire.
Fig. 4 is the structural representation of Surveillance center of the present invention.
Among the figure: 1, data monitor center, 2, high voltage iron tower, 3, data collection station, 4, high voltage electricity transmission conductive wire, 5, the FBG fibre optic strain sensor, 6, securing member, 7, optical fiber.
Embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of high voltage electricity transmission conductive wire vibration frequency on-line monitoring system, it comprises data collection station 3 and data monitor center 1, data collection station 3 is given data monitor center 1 with the data message that collects through the gsm communication network delivery; Described data collection station 3 includes optical fiber 7, FBG fibre optic strain sensor 5, first controller module, SLED light source module, optical property detection module (OPM), circulator, power module, data memory module, humiture detection module, the first gsm wireless network communication module, measuring wind speed module, real-time clock module and first level translator; First controller module of described data collection station 3, SLED light source module, optical property detection module (OPM), circulator, power module, data memory module, humiture detection module, the first gsm wireless network communication module, measuring wind speed module, real-time clock module and first level translator place on the high voltage iron tower 2; Described optical fiber 7 is connected with high voltage electricity transmission conductive wire 4 through securing member 6, and described FBG fibre optic strain sensor 5 is arranged on the optical fiber 7; Described first controller module is connected with FBG fibre optic strain sensor, SLED light source module, optical property detection module (OPM), circulator, power module, data memory module, humiture detection module, the first gsm wireless network communication module, measuring wind speed module, real-time clock module, first level translator respectively; Described FBG fibre optic strain sensor is connected with circulator, and described circulator is connected with SLED light source module, optical property detection module (OPM) respectively; The described first gsm wireless network communication module is connected with first level translator; Described power module is that all modules of data collection station provide power supply.
Described data monitor center 1 comprises host computer and Data Receiving unit, and described host computer is connected with the Data Receiving unit through serial ports; Described Data Receiving unit comprises second controller module, the second gsm wireless network communication module, second level translator; Described second controller module is connected with the second gsm wireless network communication module with second level translator respectively, and described second level translator is connected with the second gsm wireless network communication module.
Described data monitor center also includes GIS server, WEB server and browser, and GIS server and WEB server are given with the data transfer that receives in the Data Receiving unit of data monitor center; Described GIS server uses the WebGIS technology, and Real-time and Dynamic generates the GIS picture; Described WEB server; Obtain the size of browser map display area through network; Positional information, vibration information, the weather information of all leads that big or small according to the map dynamic calculation map display area comprises, and from real-time data base, obtain institute's multidate information of these leads; Described browser obtains the GIS picture and obtains positional information, coupled vibration information, the weather information of lead from Web server through network, according to lead location information the lead icon is added on the GIS map, on the display of host computer, shows.
Described first controller module control SLED light source luminescent, light incides the FBG fibre optic strain sensor through behind the circulator, and the light after the reflection of FBG fibre optic strain sensor is through arriving optical property detection module (OPM) behind the circulator; Described first controller module reads the wavelength information that optical property detection module (OPM) is read; When high voltage electricity transmission conductive wire vibrates; The FBG fibre optic strain sensor is also along with vibration; FBG fibre optic strain sensor generation deformation; Thereby the wavelength that reflects through the FBG fibre optic strain sensor is also changed; Optical property detection module (OPM) passes to first controller module with the wavelength signals that changes, and first controller module carries out Fast Fourier Transform (FFT) after a frame data collection is accomplished; Wavemeter according to changing is calculated the vibration frequency of lead; Read the data of humiture detection module and measuring wind speed module afterwards, again with the conductor vibration frequency that calculates through passing to the first gsm wireless communication network module through first level translator, the first gsm wireless communication network module with the conductor vibration frequency transmission to data monitor center; The temporal information that also has real-time clock module of transmission simultaneously, the humiture of humiture detection module, the wind speed and direction of measuring wind speed module, described first controller module is write into data memory module with the data of the wind speed and direction of the humiture of the temporal information of conductor vibration frequency, real-time clock module, humiture detection module, measuring wind speed module; The second gsm wireless network communication module of data monitor center receives the data message that the first gsm wireless communication network module transmits; And data message passed to second controller module through second level translator, second controller module is given host computer with data information transfer.
In the present embodiment, the scanning wavelength scope of described optical property detection module (OPM) belongs to the expansion C-band between 1528nm-1568nm; Described FBG fibre optic strain sensor 5 adopts the Metal Packaging protection; The scope of the centre wavelength of described SLED light source is between 1528nm-1568nm, and the spectral range of-3dB is at 35nm; Described optical fiber is single-mode fiber; Described power module is rechargeable iron lithium phosphate battery, and the charging modes of described rechargeable iron lithium phosphate battery is that solar panel charges a battery and/or gets and can charge a battery from high voltage electricity transmission conductive wire with electromagnetic induction coil.
In the present embodiment, the described first gsm wireless communication network module and the second gsm wireless communication network module adopt the MC52i module; Described first controller module and second controller module adopt the C8051F060 low-power scm; Described first level translator and second level translator adopt the MAX3232 module; Described data memory module adopts the 24C256 chip; Described humiture detection module adopts the Temperature Humidity Sensor with DB150 flange connecting-type humiture probe; Described measuring wind speed module adopts digital air velocity transducer EC-9S (X).
Among the present invention, can only use a cover SLED light source, use a plurality of FBG fibre optic strain sensors and optical property detection module (OPM), realize multiplexed.
Data collection station of the present invention is used for the collection of field data, sends the data of gathering to data monitor center; And receive instruction from data monitor center, carry out corresponding action: wherein, the parameter of collection comprises; The optical wavelength of reflection, the vibration frequency of high voltage electricity transmission conductive wire, environmental parameter on every side; Temperature humidity, wind speed and direction.
SLED light source described in the present invention is an incoherent light source, and the light of output wavelength has been fixed in output; Described FBG fibre optic strain sensor (Fiber Bragg Grating FBG) has reflection wavelength band territory; Reflection is from the light of said SLED light source output; Described optical property detection module (OPM) and said FBG fibre optic strain sensor (Fiber Bragg Grating FBG) corresponding setting respectively; Receive the light that pairing FBG fibre optic strain sensor (Fiber Bragg Grating FBG) is reflected; The reflection light quantity that changes is moved in strain through detecting said FBG fibre optic strain sensor (Fiber Bragg Grating FBG) generation, detects said strain.
Among the present invention, described data collection station also comprises light source output control gear, controls the output of said SLED light source.
Among the present invention, the optical wavelength that described optical property detection module (OPM) ability high speed acquisition FBG fibre optic strain sensor (Fiber Bragg Grating FBG) reflects, its frequency acquisition can reach 700Hz, can cover the scope of high voltage electricity transmission conductive wire frequency vibration.
Among the present invention, described first controller module adopts Fast Fourier Transform (FFT) (FFT), changes according to the optical wavelength that collects, and adopts fast fourier transform algorithm to calculate the vibration frequency of lead.
Among the present invention, described circulator has unidirectional biography light characteristic, can only incide on the FBG fibre optic strain sensor from the light of SLED light source incident, and the light that reflects from the FBG fibre optic strain sensor can only incide on the optical property detection module (OPM).
Domestic covering gsm communication network is widely adopted in the mutual transmission of data of the present invention, and data communication is reliable, communications cost is cheap, efficient.
Among the present invention, described host computer and Data Receiving unit carry out the mutual of data through serial communication, and Data Receiving unit and data collection station are through GSM network service.
Among the present invention, described data monitor center has been set up Database Systems, with the data that storage receives, on host computer, sets up the WebGIS system, the track data that receives with demonstration.
The present invention includes regional geographical information library and network electronic map based on the WebGIS platform, insertion wire vibration and meteorological relevant information in geographic information database, and in network platform electronic chart, show; Host computer adds coupled vibration and weather information on the GIS map to according to the residing positional information of lead through positional information, vibration information and the weather information of access to netwoks lead, on display, shows.According to residing position of lead and different electric pressures, to distinguish with different colours, the color icon of lead is upgraded in dynamic creation.
A kind of method of using high voltage electricity transmission conductive wire vibration frequency on-line monitoring system of the present invention:
The FBG fibre optic strain sensor is fixed on the high voltage electricity transmission conductive wire; The vibration of lead can cause the strain of FBG fibre optic strain sensor; The optical wavelength of FBG fibre optic strain sensor reflection also changes; The rule that optical wavelength changes has reflected the rule of conductor vibration, obtains the vibration frequency of lead through the change frequency that calculates optical wavelength.
First controller module is opened the SLED light source earlier; The light of SLED light source is after the reflection of FBG fibre optic strain sensor; Incide the optical property monitoring modular, first controller module control optical property monitoring modular is accomplished the sampling of wavelength data, judges whether lead vibrates; If vibrate; Data to being gathered are carried out Fast Fourier Transform (FFT), obtain the conductor vibration frequency, then read Temperature Humidity Sensor and obtain humiture; Read wind speed wind direction sensor and obtain wind speed and direction; Read the temporal information of real-time clock module, after time, humiture, wind speed and direction, conductor vibration frequency data, the packing of shaft tower positional information, issue data monitor center through the gsm wireless communication network module.
Along with data collection station constantly gets into duty in time, with the returned data sequence.
The used control system of the present invention is Surveillance center-FTP client FTP; Data collection station passes through the gsm wireless communication network module to Surveillance center's transmitting supervisory data; The customer side is through downloading Monitoring Data from Surveillance center; The real-time monitoring of monitoring section is treated in realization, also can directly check data at data monitor center simultaneously.Through Monitoring Data analysis, judged whether that vibration produces to down loading updating.
After the normal operation of high voltage electricity transmission conductive wire vibration frequency on-line monitoring system; Through data monitor center the data monitoring terminal is carried out instruction control, the data terminal mode of operation can be set, again real-time clock module is carried out time adjustment; Restart data terminal; Reset sampling number, reset optical property detection module parameter, read and the data of the memory module that clears data.Can check the vibration data of ultra-high-tension power transmission line at host computer, can also draw out the vibration situation curve of one period continuous time, supply to analyze and use.In the strong area of conductor vibration, can also make corresponding early warning, system can provide data in detail accurately for the transmission line of electricity design in later stage.
High voltage electricity transmission conductive wire vibration frequency on-line monitoring system can be monitoring point place line design and the windage yaw verification provides the actual measurement foundation; Impel operation department to take the rational windage yaw precautionary measures through early warning; Through the data monitoring center to power transmission sequence through observation, record, the collection of regional meteorological data; The accumulation run book; Improve the windage yaw computing method; While is write down the guidewire movement track under maximum instantaneous power on the electric power line pole tower, blast nonuniformity coefficient, the high wind etc. exactly, for formulating rational design standards technical data is provided.
The above; Only being preferred embodiment of the present invention, is not that the present invention is done any pro forma restriction, and those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification; Equivalent variations or modification all drop in protection scope of the present invention.
Claims (6)
1. high voltage electricity transmission conductive wire vibration frequency on-line monitoring system is characterized in that: comprising: data collection station and data monitor center, and data collection station is given data monitor center with the data message that collects through the gsm communication network delivery;
Described data collection station includes optical fiber, FBG fibre optic strain sensor, first controller module, SLED light source module, optical property detection module, circulator, power module, data memory module, humiture detection module, the first gsm wireless network communication module, measuring wind speed module, real-time clock module, first level translator;
Described optical fiber is connected with high voltage electricity transmission conductive wire through securing member, and described FBG fibre optic strain sensor is arranged on the optical fiber;
Described first controller module is connected with FBG fibre optic strain sensor, SLED light source module, optical property detection module, circulator, power module, data memory module, humiture detection module, the first gsm wireless network communication module, measuring wind speed module, real-time clock module, first level translator respectively;
Described FBG fibre optic strain sensor is connected with circulator, and described circulator is connected with SLED light source module, optical property detection module (OPM) respectively;
The described first gsm wireless network communication module is connected with first level translator;
Described power module is that all modules of data collection station provide power supply;
Described data monitor center comprises host computer and Data Receiving unit, and described host computer is connected with the Data Receiving unit through serial ports;
Described Data Receiving unit comprises second controller module, the second gsm wireless network communication module, second level translator; Described second controller module is connected with the second gsm wireless network communication module with second level translator respectively, and described second level translator is connected with the second gsm wireless network communication module;
Described first controller module control SLED light source luminescent, light incides the FBG fibre optic strain sensor through behind the circulator, and the light after the reflection of FBG fibre optic strain sensor is through arriving the optical property detection module behind the circulator; Described first controller module reads the wavelength information that the optical property detection module is read; When high voltage electricity transmission conductive wire vibrates; The FBG fibre optic strain sensor is also along with vibration; FBG fibre optic strain sensor generation deformation; Thereby the wavelength that reflects through the FBG fibre optic strain sensor is also changed; The optical property detection module passes to first controller module with the wavelength signals that changes, and first controller module carries out Fast Fourier Transform (FFT) after a frame data collection is accomplished; Wavemeter according to changing is calculated the vibration frequency of lead; Read the data of humiture detection module and measuring wind speed module afterwards, again with the conductor vibration frequency that calculates through passing to the first gsm wireless communication network module through first level translator, the first gsm wireless communication network module with the conductor vibration frequency transmission to data monitor center; The temporal information that also has real-time clock module of transmission simultaneously, the humiture of humiture detection module, the wind speed and direction of measuring wind speed module, described first controller module is write into data memory module with the data of the wind speed and direction of the humiture of the temporal information of conductor vibration frequency, real-time clock module, humiture detection module, measuring wind speed module; The second gsm wireless network communication module of data monitor center receives the data message that the first gsm wireless communication network module transmits; And data message passed to second controller module through second level translator, second controller module is given host computer with data information transfer.
2. high voltage electricity transmission conductive wire vibration frequency on-line monitoring system as claimed in claim 1 is characterized in that: described FBG fibre optic strain sensor and optical property detection module have a plurality of.
3. according to claim 1 or claim 2 high voltage electricity transmission conductive wire vibration frequency on-line monitoring system is characterized in that:
The scanning wavelength scope of described optical property detection module belongs to the expansion C-band between 1528nm-1568nm;
Described FBG fibre optic strain sensor adopts the Metal Packaging protection.
4. high voltage electricity transmission conductive wire vibration frequency on-line monitoring system as claimed in claim 1 is characterized in that:
The scope of the centre wavelength of described SLED light source is between 1528nm-1568nm, and the spectral range of-3dB is at 35nm;
Described optical fiber is single-mode fiber;
Described power module is rechargeable iron lithium phosphate battery, and the charging modes of described rechargeable iron lithium phosphate battery is that solar panel charges a battery and/or gets and can charge a battery from high voltage electricity transmission conductive wire with electromagnetic induction coil.
5. high voltage electricity transmission conductive wire vibration frequency on-line monitoring system as claimed in claim 1 is characterized in that:
The described first gsm wireless communication network module and the second gsm wireless communication network module adopt the MC52i module;
Described first controller module and second controller module adopt the C8051F060 low-power scm;
Described first level translator and second level translator adopt the MAX3232 module;
Described data memory module adopts the 24C256 chip;
Described humiture detection module adopts the Temperature Humidity Sensor with DB150 flange connecting-type humiture probe;
Described measuring wind speed module adopts digital air velocity transducer EC-9S (X).
6. high voltage electricity transmission conductive wire vibration frequency on-line monitoring system as claimed in claim 1; It is characterized in that: described data monitor center also includes GIS server, WEB server and browser, and GIS server and WEB server are given with the data transfer that receives in the Data Receiving unit of data monitor center; The GIS server uses the WebGIS technology; Real-time and Dynamic generates the GIS picture; Described browser obtains positional information, vibration information, the weather information of lead through network acquisition GIS picture with from Web server; According to lead location information the lead icon is added on the GIS map, on the display of the host computer of data monitor center, show.
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| CN2012102003255A CN102706438B (en) | 2012-06-18 | 2012-06-18 | System for monitoring vibration frequency of high-voltage transmission conductor on line |
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| CN2012102003255A CN102706438B (en) | 2012-06-18 | 2012-06-18 | System for monitoring vibration frequency of high-voltage transmission conductor on line |
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| CN102706438A true CN102706438A (en) | 2012-10-03 |
| CN102706438B CN102706438B (en) | 2013-11-13 |
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| CN2012102003255A Expired - Fee Related CN102706438B (en) | 2012-06-18 | 2012-06-18 | System for monitoring vibration frequency of high-voltage transmission conductor on line |
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Cited By (8)
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| CN103868580A (en) * | 2014-02-28 | 2014-06-18 | 西安工程大学 | Optical fiber-based power transmission conductor aeolian vibration monitoring digital sensor and monitoring method |
| CN104483007A (en) * | 2014-11-19 | 2015-04-01 | 华北电力大学（保定） | Overhead power transmission line vibration monitoring system and method |
| CN105222882A (en) * | 2015-09-22 | 2016-01-06 | 广东电网有限责任公司佛山供电局 | Transmission line of electricity aeolian vibration on-line monitoring system |
| CN105258780A (en) * | 2015-09-22 | 2016-01-20 | 广东电网有限责任公司佛山供电局 | On-line monitoring method for monitoring aeolian vibration of power transmission line |
| CN107247295A (en) * | 2017-05-12 | 2017-10-13 | 宁波绮耘软件股份有限公司 | A kind of weather information monitoring system |
| CN107452177A (en) * | 2017-04-14 | 2017-12-08 | 浙江省邮电工程建设有限公司 | A kind of communications optical cable safety pre-warning system |
| CN110707798A (en) * | 2019-10-16 | 2020-01-17 | 安徽中科智泰光电测控科技有限公司 | Low-power consumption FBG system device based on solar power supply and wireless transmission |
| CN111486946A (en) * | 2020-05-07 | 2020-08-04 | 南京电博机器人技术有限公司 | Online monitoring system for vibration of power transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103868580B (en) * | 2014-02-28 | 2016-05-25 | 西安工程大学 | Transmission pressure aeolian vibration monitoring digital sensor and monitoring method based on optical fiber |
| CN103868580A (en) * | 2014-02-28 | 2014-06-18 | 西安工程大学 | Optical fiber-based power transmission conductor aeolian vibration monitoring digital sensor and monitoring method |
| CN104483007A (en) * | 2014-11-19 | 2015-04-01 | 华北电力大学（保定） | Overhead power transmission line vibration monitoring system and method |
| CN104483007B (en) * | 2014-11-19 | 2017-02-22 | 华北电力大学（保定） | Overhead power transmission line vibration monitoring system and method |
| CN105222882B (en) * | 2015-09-22 | 2018-07-20 | 广东电网有限责任公司佛山供电局 | Transmission line of electricity aeolian vibration on-line monitoring system |
| CN105258780A (en) * | 2015-09-22 | 2016-01-20 | 广东电网有限责任公司佛山供电局 | On-line monitoring method for monitoring aeolian vibration of power transmission line |
| CN105258780B (en) * | 2015-09-22 | 2018-06-08 | 广东电网有限责任公司佛山供电局 | Transmission line of electricity aeolian vibration on-line monitoring method |
| CN105222882A (en) * | 2015-09-22 | 2016-01-06 | 广东电网有限责任公司佛山供电局 | Transmission line of electricity aeolian vibration on-line monitoring system |
| CN107452177A (en) * | 2017-04-14 | 2017-12-08 | 浙江省邮电工程建设有限公司 | A kind of communications optical cable safety pre-warning system |
| CN107452177B (en) * | 2017-04-14 | 2023-05-23 | 浙江省邮电工程建设有限公司 | Communication optical cable safety precaution system |
| CN107247295A (en) * | 2017-05-12 | 2017-10-13 | 宁波绮耘软件股份有限公司 | A kind of weather information monitoring system |
| CN110707798A (en) * | 2019-10-16 | 2020-01-17 | 安徽中科智泰光电测控科技有限公司 | Low-power consumption FBG system device based on solar power supply and wireless transmission |
| CN111486946A (en) * | 2020-05-07 | 2020-08-04 | 南京电博机器人技术有限公司 | Online monitoring system for vibration of power transmission line |
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