CN106097627A - Transmission line galloping intelligent video on-line monitoring system - Google Patents
Transmission line galloping intelligent video on-line monitoring system Download PDFInfo
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- CN106097627A CN106097627A CN201610661225.0A CN201610661225A CN106097627A CN 106097627 A CN106097627 A CN 106097627A CN 201610661225 A CN201610661225 A CN 201610661225A CN 106097627 A CN106097627 A CN 106097627A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
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- Computer Vision & Pattern Recognition (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The present invention proposes transmission line galloping intelligent video on-line monitoring system, belongs to intelligent power grid technology field.System includes video acquisition module, communication module, Data Analysis Services module.Video acquisition module gathers transmission line of electricity video information and is sent to Data Analysis Services module, sets up space scale, uses single-frame analysis to process the space coordinates determining transmission line of electricity；Utilize inter-frame difference to process track and extract transmission line galloping track, calculate the amplitude waved and frequency in real time, it is achieved the early warning of transmission line galloping and warning.Native system uses intelligent video to carry out transmission line galloping on-line monitoring, have with low cost, simple in construction, convenient for installation and maintenance, be not required to manual intervention, affected the advantages such as little by weather；And local analysis real-time to video image information processes, reduce data transmission difficulty and operating cost, substantially increase actual effect and the intelligence degree waving monitoring.
Description
Technical field
The present invention proposes a kind of transmission line galloping intelligent video on-line monitoring system, belongs to intelligent power grid technology neck
Territory.
Background technology
Transmission line of electricity runs on field, geographical and meteorological complicated condition throughout the year, is easily affected by strong wind weather, icing snowberg etc.
Initiation is waved, and the reliable and stable operation to transmission line of electricity and shaft tower brings harm；Climate change frequently area vile weather is frequent
Occurring, transmission line of electricity suffers to wave the probability of disaster and degree is bigger, it is therefore desirable to monitor transmission line galloping in real time,
Guarantee transmission line of electricity safe and stable operation.
At present in power system, the mode of the artificial line walking of the many employings of power transmission line swaying monitoring, artificial line walking is by weather
Impact is serious, and transmission line galloping is multiple to be born under adverse weather condition, and artificial trip is caused extreme difficulties, and efficiency
Low, cost is high, intelligence degree is low, it is impossible to meet the demand of electrical network intelligent development and management.
System for monitoring transmission lines oscillation based on video has with low cost, simple in construction, convenient for installation and maintenance, intelligent
Change degree is high, affected the plurality of advantages such as little by weather, Chinese patent " a kind of video prison waved about high-voltage power line conductive line
Examining system " (application number: 201110385684.8) propose video frequency monitoring system and the calculating that high-voltage power line conductive line is waved
Method, however it is necessary that the video image collected is wirelessly transmitted to data server processes, and in transmitting procedure, data are held
Easily lose, difficulty is big, network construction cost is high in data transmission；The image of multiple spans is required for being aggregated at data server
Reason, it is achieved difficulty bigger；Processing procedure needs human assistance participate in, not only further increase the difficulty of realization, and
Lose and wave the ageing of monitoring；One span is accomplished by 3 video cameras, and cost is the highest.
In sum, monitoring mode cost is high, intelligence degree is low, video data transmission difficulty in existing main waving
Greatly, poor in timeliness, there is many defects.
Summary of the invention
It is an object of the invention to provide a kind of with low cost, simple in construction, convenient for installation and maintenance, intelligence degree is high, be subject to
The transmission line galloping intelligent video on-line monitoring system that weather impact is little, simultaneously in order to overcome the deficiencies in the prior art, will be existing
The real-time local analysis of transmission line of electricity video that field gathers processes, and effectively reduces data transmission difficulty and operating cost, significantly carries
High actual effect and the intelligence degree waving monitoring；Eliminate the interference that many factors causes, and use actual size with
The corresponding ratio of video size is as scale, and result is reliable, and accuracy is high.
The technical solution adopted for the present invention to solve the technical problems is:
Described transmission line galloping intelligent video on-line monitoring system includes video acquisition module (1), communication module (2), number
According to analysis and processing module (3), it is fixedly installed on shaft tower (4), it is ensured that video acquisition module (1) can completely gather monitored
Transmission line of electricity (5) and the video of adjacent shaft tower (6), and described video is sent in real time Data Analysis Services module (3) locates
Reason is analyzed.The system video data to collecting carries out local analysis process, need not carry out vedio data transmission, reduce
Data transmission difficulty and operating cost, solve the video data volume excessive time the excessive problem of central server intractability.
Described Data Analysis Services module (3) carries out the single-frame images of video and analyzes and processes in real time, eliminates environmental factors
Impact, extracts and is formed the geological information of transmission line of electricity (5), and determine that it connects the end-point data of adjacent shaft tower (6)；Data are divided
Analysis processing module (3) is according to the shaft tower (4) prestored and the span value of adjacent shaft tower (6), it is considered to vision deviation affects, and sets up reality
Size and the corresponding ratio scale of video size, determine the space coordinates of transmission line of electricity (5), completes single-frame analysis and processes.Transmission of electricity
The geological information of circuit (5) includes transmission line of electricity (5) power transmission line profile, and both sides shaft tower outline, in conjunction with adjacent shaft tower (6)
End-point data can accurately calculate span length in the picture.Span can be by field survey or straight by line parameter circuit value
Obtain, and span is prone to measure in image or video information, can improve the computational accuracy of system as scale.Examining
When worry vision deviation affects, system also can comprise horizontal vertical orientation measurement sensor, obtains horizontally or vertically information in real time, right
The video information gathered carries out angle correction, will not be affected by shooting angle and cause error during making image procossing and calculating
Generation, be effectively improved system run stability.
Transmission line of electricity (5) successive image frame after single-frame analysis is processed by described Data Analysis Services module (3) is carried out
Inter-frame difference processes, and elimination is rocked because of camera lens or in background, object moves the image change interference caused, and accurately extracts transmission of electricity
Circuit (5) waves track, described wave track be whole piece transmission line of electricity (5) wave track.
Described Data Analysis Services module (3) is waved according to space coordinates and the transmission line of electricity (5) of transmission line of electricity (5)
Track, computing electric power line (5) wave amplitude and wave frequency.
The amplitude and the frequency that calculate on the spot in real time are stored by described Data Analysis Services module (3), by logical
News module (2) are uploaded, and compare with the amplitude set and frequency limit, carry out early warning or warning after transfiniting；Early warning and warning can
To realize by using different limit value to set, and early warning also contributes to operations staff and pays close attention to it may happen that the line of problem in advance
Road, prepares in advance, processes in time.
The single-frame images of described video analyzes and processes in real time, is to use intelligent image treatment technology to video acquisition module
(1) the every frame image information collected carries out including that the process of filtering and noise reduction, image enhaucament, gray processing, rim detection etc. process, fall
The interference to system image procossing of the low complex environment background, improves the accuracy waving monitoring.Geography residing for transmission line of electricity
Circumstance complication, is exposed to field all the year round, carries out in image acquisition process, it will because the factor such as weather, light changes, and make collection
That arrives is image blurring, is even saturated with noise, image information carries out pretreatment and can effectively remove noise, increase the clear of image
Degree.
Described carries out inter-frame difference process to transmission line of electricity (5) successive image frame after single-frame analysis process, is to remove
Intersection between sequential frame image, extracts the image information of moving object in sequential frame image, after processing frame difference simultaneously
Image carries out Threshold segmentation, and elimination is rocked because of camera lens or in background, object moves the image change interference caused, and accurately extracts
Transmission line of electricity (5) waves track.
Described computing electric power line (5) wave amplitude, be to combine transmission line of electricity (5) movement locus, continuous to multiframe
In video image, the space coordinates Changing Pattern of transmission line of electricity (5) is analyzed, and calculates transmission line of electricity (5) and comes and goes the double of change
Side maximum, what this value i.e. obtained transmission line of electricity (5) divided by 2 waves amplitude.Track of waving owing to obtaining is whole piece circuit
, constitute after multiframe continuous path superposition is the trajectory diagram of similar spindle, is easily found putting of spindle in the figure
Go out body maximum, calculate simple and convenient.
Described computing electric power line (5) wave amplitude, be the difference of video image frame number by corresponding bilateral maximum,
Be multiplied by the time interval of adjacent 2 frames, be then multiplied by 2 i.e. obtain transmission line of electricity (5) wave frequency.
Compared with prior art, present invention have the advantage that
Use intelligent video to carry out transmission line galloping on-line monitoring, have with low cost, simple in construction, convenient for installation and maintenance,
It is not required to manual intervention, affected the advantages such as little by weather；And local analysis real-time to video image information processes, and reduces data
Transmission difficulty and operating cost, substantially increase actual effect and the intelligence degree waving monitoring.
Utilize the span between the shaft tower of transmission line of electricity two ends as scale, set up actual size ratio corresponding with video size
Example relation, obtains easy, workable, is effectively increased computational accuracy, improves the accuracy rate measured.
In intelligent video analysis processing procedure, elimination is rocked because of camera lens or in background, object moves the image change caused
Change interference, it is contemplated that vision deviation affects, and is effectively increased the certainty of measurement of system.
Accompanying drawing explanation
Fig. 1: system structure schematic diagram.
The fixedly mounted structural representation of Fig. 2: system.
In figure: 1 video acquisition module, 2 communication modules, 3 Data Analysis Services modules, 4 shaft towers, 5 transmissions of electricity
Circuit, 6 adjacent shaft towers, 7 central servers, 8 system stationary structures.
Detailed description of the invention
The present invention is further detailed explanation below in conjunction with the accompanying drawings:
As it is shown in figure 1, system includes video acquisition module (1), communication module (2), Data Analysis Services module (3), it is integrated into
Integrally, stationary structure (8) is constituted；The video data that video acquisition module (1) gathers gives Data Analysis Services module (3),
Data Analysis Services module (3) is by communication module (2) and extraneous exchange data.
As shown in Fig. 2 and Fig. 1, system uses stationary structure (8), is fixedly installed on shaft tower (4), it is ensured that video acquisition
Module (1) can completely gather monitored transmission line of electricity (5) and the video of adjacent shaft tower (6), and is sent in real time by described video
Treatment Analysis is carried out toward Data Analysis Services module (3).The frequency waved due to transmission line of electricity (5) is the highest, video image acquisition
Module (1) can use common DV, the video information of Real-time Collection transmission line of electricity (5).System is to collecting
Video data carries out local analysis process, need not carry out vedio data transmission, reduces data transmission difficulty and runs into
This, solve the video data volume excessive time central server difficult treatment problem.
Data Analysis Services module (3) carries out the single-frame images of video and analyzes and processes in real time, eliminates such environmental effects, carries
Take and formed the geological information of transmission line of electricity (5), and determine that it connects the end-point data of adjacent shaft tower (6)；Data Analysis Services
Module (3) is according to the shaft tower (4) that prestores and the span value of adjacent shaft tower (6), it is considered to vision deviation affects, set up actual size and
The corresponding ratio scale of video size, determines the space coordinates of transmission line of electricity (5), completes single-frame analysis and processes.Transmission line of electricity (5)
Geological information include transmission line of electricity (5) power transmission line profile, and both sides shaft tower outline, in conjunction with the end points of adjacent shaft tower (6)
Data can accurately calculate span length in the picture.
Transmission line of electricity (5) successive image frame after single-frame images is analyzed and processed by Data Analysis Services module (3) carries out frame
Between difference processing, remove intersection between sequential frame image, extract the image information of moving object in sequential frame image, simultaneously
Image after processing frame difference carries out Threshold segmentation, and elimination is rocked because of camera lens or in background, object moves the image change caused
Interference, accurately extracts transmission line of electricity (5) and waves track.
Data Analysis Services module (3) waves track according to space coordinates and the transmission line of electricity (5) of transmission line of electricity (5),
The waving amplitude and wave frequency of computing electric power line (5), and with set wave amplitude and wave frequency limit and compare, transfinite
After carry out early warning or warning；The amplitude calculated on the spot in real time is carried out locally stored with frequency by Data Analysis Services module (3),
To wave amplitude by communication module (2) simultaneously and wave frequency and early warning or warning message is uploaded to central server (7).
The foregoing is only the preferable embodiment of the present invention, not in order to limit the present invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (5)
1. transmission line galloping intelligent video on-line monitoring system, it is characterised in that: system includes video acquisition module (1), leads to
News module (2), Data Analysis Services module (3), be fixedly installed on shaft tower (4), it is ensured that video acquisition module (1) can be complete
Gather monitored transmission line of electricity (5) and the video of adjacent shaft tower (6), and described video is sent to Data Analysis Services mould in real time
Block (3) carries out Treatment Analysis；
Data Analysis Services module (3) carries out the single-frame images of video and analyzes and processes in real time, eliminates such environmental effects, extracts also
Form the geological information of transmission line of electricity (5), and determine that it connects the end-point data of adjacent shaft tower (6)；Data Analysis Services module
(3) according to the shaft tower (4) prestored and the span value of adjacent shaft tower (6), it is considered to vision deviation affects, and sets up actual size and video
The corresponding ratio scale of size, determines the space coordinates of transmission line of electricity (5), completes single-frame analysis and processes；
Transmission line of electricity (5) successive image frame after single-frame analysis is processed by Data Analysis Services module (3) carries out frame-to-frame differences office
Reason, elimination is rocked because of camera lens or in background, object moves the image change interference caused, and accurately extracts transmission line of electricity (5) and waves
Track；
Data Analysis Services module (3) waves track according to space coordinates and the transmission line of electricity (5) of transmission line of electricity (5), calculates
Transmission line of electricity (5) wave amplitude and wave frequency；
The amplitude and the frequency that calculate on the spot in real time are stored, by communication module (2) by Data Analysis Services module (3)
Pass, and compare with the amplitude set and frequency limit, after transfiniting, carry out early warning or warning.
Transmission line galloping intelligent video on-line monitoring system the most according to claim 1, it is characterised in that: described regards
The single-frame images of frequency analyzes and processes in real time, is the every frame using intelligent image treatment technology to collect video acquisition module (1)
Image information carries out including the process of filtering and noise reduction, image enhaucament, gray processing, edge detection process.
Transmission line galloping intelligent video on-line monitoring system the most according to claim 1, it is characterised in that: described is right
Transmission line of electricity (5) successive image frame after single-frame analysis processes carries out inter-frame difference process, is to remove weight between sequential frame image
Closing part, extract the image information of moving object in sequential frame image, the image after simultaneously processing frame difference carries out Threshold segmentation,
Elimination is rocked because of camera lens or in background, object moves the image change interference caused, and accurately extracts transmission line of electricity (5) and waves rail
Mark.
Transmission line galloping intelligent video on-line monitoring system the most according to claim 1, it is characterised in that: described meter
That calculates transmission line of electricity (5) waves amplitude, is to combine transmission line of electricity (5) movement locus, to power transmission line in multiframe continuous videos image
The space coordinates Changing Pattern on road (5) is analyzed, and calculates transmission line of electricity (5) and comes and goes the bilateral maximum of change, by this value
I.e. obtain transmission line of electricity (5) divided by 2 waves amplitude.
Transmission line galloping intelligent video on-line monitoring system the most according to claim 1, it is characterised in that: described meter
That calculates transmission line of electricity (5) waves frequency, is the difference of video image frame number by corresponding bilateral maximum, be multiplied by adjacent 2 frames time
Between be spaced, be then multiplied by 2 i.e. obtain transmission line of electricity (5) wave frequency.
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| CN201610661225.0A CN106097627B (en) | 2016-08-13 | 2016-08-13 | Transmission line galloping intelligent video on-line monitoring system |
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| CN201610661225.0A CN106097627B (en) | 2016-08-13 | 2016-08-13 | Transmission line galloping intelligent video on-line monitoring system |
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| CN109000716A (en) * | 2018-06-06 | 2018-12-14 | 清华大学 | One kind being based on the faradic transmission line galloping monitoring method of OPGW ground wire |
| CN110994802A (en) * | 2019-12-20 | 2020-04-10 | 河南九域恩湃电力技术有限公司 | Method and device for monitoring running state of power transmission conductor |
| CN112268537A (en) * | 2020-09-18 | 2021-01-26 | 东北师范大学 | Method for detecting galloping of electric transmission line cable |
| CN112484623A (en) * | 2020-12-01 | 2021-03-12 | 中电科西北集团有限公司 | Galloping numerical value acquisition method for power transmission line |
| CN113074804A (en) * | 2021-04-06 | 2021-07-06 | 兰州理工大学 | Long-distance all-weather structure vibration monitoring system |
| CN116182938A (en) * | 2022-12-15 | 2023-05-30 | 国网河北省电力有限公司电力科学研究院 | System and method for on-line monitoring of mountain area power transmission corridor operation environment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109000716A (en) * | 2018-06-06 | 2018-12-14 | 清华大学 | One kind being based on the faradic transmission line galloping monitoring method of OPGW ground wire |
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| CN112268537A (en) * | 2020-09-18 | 2021-01-26 | 东北师范大学 | Method for detecting galloping of electric transmission line cable |
| CN112484623A (en) * | 2020-12-01 | 2021-03-12 | 中电科西北集团有限公司 | Galloping numerical value acquisition method for power transmission line |
| CN112484623B (en) * | 2020-12-01 | 2022-07-15 | 中电科西北集团有限公司 | Galloping numerical value acquisition method for power transmission line |
| CN113074804A (en) * | 2021-04-06 | 2021-07-06 | 兰州理工大学 | Long-distance all-weather structure vibration monitoring system |
| CN116182938A (en) * | 2022-12-15 | 2023-05-30 | 国网河北省电力有限公司电力科学研究院 | System and method for on-line monitoring of mountain area power transmission corridor operation environment |
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| CN106097627B (en) | 2018-08-14 |
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