CN108447123A - A kind of power transmission line corridor geological disaster investigation method and system - Google Patents
A kind of power transmission line corridor geological disaster investigation method and system Download PDFInfo
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- CN108447123A CN108447123A CN201810259306.7A CN201810259306A CN108447123A CN 108447123 A CN108447123 A CN 108447123A CN 201810259306 A CN201810259306 A CN 201810259306A CN 108447123 A CN108447123 A CN 108447123A
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- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The invention belongs to geological disaster prospecting technique fields, disclose a kind of power transmission line corridor geological disaster investigation method and system, by unmanned plane and positioning structure power transmission line corridor three-dimensional scene models figure, and weather information, transmission line of electricity O＆M information are acquired in real time；The method for being then based on supervised classification classifies to power transmission line corridor three-dimensional scene models figure, identifies that region occurs for type of ground objects and disaster；Again using electric power line pole tower as main study subject, the variable condition of shaft tower is differentiated；It finally inputs the weather information of acquisition, transmission line of electricity O＆M information, doubtful the condition of a disaster area information and shaft tower change information as data, is compared with existing geological disaster model library, the region that may occur dangerous situation future carries out early warning.The present invention can realize the object level monitoring to shaft tower, improve whole geological disaster exploration quality and efficiency, ensure the accurate evaluation to geology the condition of a disaster.
Description
Technical field
The present invention relates to geological disaster prospecting technique field more particularly to a kind of power transmission line corridor geological disaster exploration sides
Method and system.
Background technology
China 70% is mountain area, is in Midwest mostly.With the needs of socio-economic development, a large amount of digging underground minerals
Resource causes Mine Geological Disasters largely to occur.Electric system is the special and organic component part of lifeline engineering, have compared with
Strong sudden and larger destructive natural calamity just becomes the important threat for leading to electric system unstability.Especially Guizhou Province
Since mountain area hills is numerous, topography and geomorphology is complicated in area, and transmission line of electricity is distributed more than field, puts more, line length, wide, is easily come down
Etc. natural calamities invasion, safe and reliable operation seriously threatened.
The huge number of power transmission line corridor geological disaster, mainly have according to Type division landslide, avalanche, mud-rock flow,
Face collapses, ground fissure etc..There are some landslide speed of development slower, geology sliding very unobvious, people is difficult hair with naked eyes
Existing, often only when geological disaster threatens shaft tower, causing shaft tower to sink or deform can just arouse attention；In addition, working as power grid O＆M people
After member reaches disaster field, often because being limited by regional space, global disaster-stricken situation can not be surveyed in detail in a short time
It surveys, it is difficult to know the accurate the condition of a disaster in scene.Therefore, for transmission line of electricity geological disaster the characteristics of, finds transmission line of electricity week in advance
Geologic hidden peril is enclosed, the rapid reconnaissance and assessment point automated to the Disaster degree after power grid calamity, hazard scope, disaster trend
Analysis is very necessary.
At present in Geological Hazards Investigation and monitoring, common method has macroscopic view, and simply matter monitoring method, the earth precision are surveyed
Amount method, GPS methods, instrument and meter monitoring method, comprehensive automation telemetry, manual inspection method etc., but all there is the emergent anti-of monitoring
Should it is not rapid, not in time the problem of, can not achieve long-range real-time monitoring.Remote sensing technology of new generation to develop into geological disaster pre-
Alarm method indicates new breakthrough direction, but cannot achieve the object level monitoring for power transmission line corridor shaft tower, it is difficult to full
The demand of sufficient electric power netting safe running.
Invention content
The embodiment of the present application solves existing by a kind of power transmission line corridor geological disaster investigation method of offer and system
In technology the emergency reaction of Geological Hazards Monitoring it is not rapid, not in time, can not achieve remote real time monitoring, cannot achieve for defeated
The problem of object level monitoring of electric line corridor shaft tower.
The embodiment of the present application provides a kind of power transmission line corridor geological disaster survey system, including：Unmanned plane inspection platform,
Monitor platform, image processing platform, data processing module, the condition of a disaster evaluation module on-line；
The unmanned plane inspection platform includes image capture module, GPS module, and the on-line monitoring platform is adopted including meteorology
Collect module, transmission line of electricity monitoring modular, described image processing platform includes topography and geomorphology modeling module, supervised classification module, becomes
Change detection module；
Described image acquisition module carries out aerophotograph shooting for easily sending out the condition of a disaster region, obtains power transmission line corridor image letter
Breath；
The GPS module is positioned for easily sending out the condition of a disaster region, obtains latitude and longitude information；
The meteorology acquisition module for acquiring weather information in real time；
The transmission line of electricity monitoring modular for acquiring transmission line of electricity O＆M information in real time；
The topography and geomorphology modeling module is used for according to the power transmission line corridor image information and the latitude and longitude information
Generate power transmission line corridor three-dimensional scene models figure；
The supervised classification module is used for according to the power transmission line corridor three-dimensional scene models figure to type of ground objects and calamity
Evil occurs region and judgement is identified, and obtains doubtful the condition of a disaster area information；
The change detection module is used to obtain shaft tower variation letter according to the power transmission line corridor three-dimensional scene models figure
Breath；
The data processing module is used for the weather information, the transmission line of electricity O＆M information, the doubtful the condition of a disaster
Area information, the shaft tower change information extract, and obtain valid data information；
The condition of a disaster evaluation module obtains the condition of a disaster and comments for comparing the valid data information and geological disaster model library
Estimate as a result, and being sent to O＆M command centre.
Preferably, it includes that image is located in advance that the topography and geomorphology modeling module, which generates power transmission line corridor three-dimensional scene models figure,
Reason, image registration, image mosaic, LOD fining modelings.
Preferably, the change detection module takes Harris operators feature point detecting method to carry out characteristic point to shaft tower
Match, obtains shaft tower change information.
Preferably, the geological disaster model library includes landslide, mud-rock flow, avalanche, flood, ground cracking 5 kinds of geological disasters point
Analyse model.
The embodiment of the present application provides a kind of power transmission line corridor geological disaster investigation method, includes the following steps：
It easily sends out the condition of a disaster region and carries out aerophotograph shooting and positioning, obtain power transmission line corridor image information and longitude and latitude letter
Breath；
Acquisition weather information, transmission line of electricity O＆M information in real time；
Power transmission line corridor three-dimensional scenic is generated according to the power transmission line corridor image information and the latitude and longitude information
Illustraton of model；
Type of ground objects and disaster generation region are identified and are sentenced according to the power transmission line corridor three-dimensional scene models figure
It is disconnected to obtain doubtful the condition of a disaster area information, obtain shaft tower change information；
To the weather information, the transmission line of electricity O＆M information, the doubtful the condition of a disaster area information, shaft tower variation
Information extracts, and obtains valid data information；
The valid data information and geological disaster model library are compared, obtain the condition of a disaster assessment result, and be sent to O＆M
Command centre.
Preferably, aerophotograph shooting is carried out by UAV flight's Visible Light Camera and obtains power transmission line corridor image information,
Positioning, which is carried out, by the GPS sensor in unmanned plane gondola obtains latitude and longitude information.
Preferably, the weather information includes rainfall, the time of the duration of rainfall, and the transmission line of electricity O＆M information includes leading
Line temperature, conducting wire angle of wind deflection, current carrying capacity of conductor.
Preferably, the generation power transmission line corridor three-dimensional scene models figure includes image preprocessing, image registration, image
Splicing, LOD fining modelings.
Preferably, the change detection module takes Harris operators feature point detecting method to carry out characteristic point to shaft tower
Match, obtains shaft tower change information.
Preferably, the geological disaster model library includes landslide, mud-rock flow, avalanche, flood, ground cracking 5 kinds of geological disasters point
Analyse model.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
In the embodiment of the present application, a kind of power transmission line corridor geological disaster investigation method and system are proposed, is passed through first
Unmanned plane and positioning structure power transmission line corridor three-dimensional scene models figure, and weather information, transmission line of electricity fortune are acquired in real time
Tie up information；The method for being then based on supervised classification classifies to power transmission line corridor three-dimensional scene models figure, identify shaft tower,
The atural objects such as water body, forest land, meadow, bare area, house and geological disaster generation area；It is again main research with electric power line pole tower
Object differentiates the variable condition of shaft tower；Finally by the weather information of acquisition, transmission line of electricity O＆M information, doubtful the condition of a disaster
Area information and shaft tower change information are inputted as data, are compared with existing geological disaster model library, may be sent out future
The region of raw dangerous situation carries out early warning.The present invention can realize the exploration to transmission line of electricity geological disaster, analysis, assessment and early warning, real
Now the object level of shaft tower is monitored, whole geological disaster exploration quality and efficiency is improved, ensures the accurate evaluation to geology the condition of a disaster, and
Shi Kaizhan emergency responses, to improve the reliability of electric power netting safe running.
Description of the drawings
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution in the present embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is one embodiment of the present of invention, for this field
For those of ordinary skill, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of schematic diagram of power transmission line corridor geological disaster survey system provided in an embodiment of the present invention.
Specific implementation mode
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
A kind of power transmission line corridor geological disaster survey system is present embodiments provided, as shown in Figure 1, being patrolled including unmanned plane
Examine platform, on-line monitoring platform, image processing platform, data processing module, the condition of a disaster evaluation module.Wherein, the unmanned plane patrols
Inspection platform includes image capture module, GPS module, and the on-line monitoring platform includes meteorological acquisition module, transmission line of electricity monitoring
Module, described image processing platform include topography and geomorphology modeling module, supervised classification module, change detection module.
Specifically, image capture module surveys geological disaster scene by UAV flight's Visible Light Camera；GPS module by
GPS sensor in unmanned plane gondola provides accurate POS (longitudes and latitudes for the generation of later stage power transmission line corridor three-dimensional scene models
Degree) information.
The content of meteorological acquisition module acquisition includes rainfall, rainfall intensity and time of the duration of rainfall etc.；Transmission line of electricity is supervised
The content for surveying module monitors includes the operating parameters such as conductor temperature, conducting wire angle of wind deflection (waving, arc sag), current carrying capacity of conductor.
Topography and geomorphology modeling module generates power transmission line corridor three-dimensional scene models figure, and supervised classification module is realized to main
The identification that region occurs for type of ground objects and disaster judges that change detection module obtains the shapes such as shaft tower deformation, sinking, displacement, inclination
State changes.
Data processing module makees further cleaning, screening, fusion, the number as system for the information of sub-platform extraction
According to input；The condition of a disaster evaluation module establishes 5 kinds of landslide, mud-rock flow, avalanche, flood, ground cracking etc. to 220kV and the above power transmission line
The geological disasters analysis mould model that road is affected is summarized the factors of causing disaster of all kinds of disasters, forming process and is caused to power grid
Influence, and input data and each model are compared, obtain the condition of a disaster assessment result, formulate Precaution Tactics.
Using above system, a kind of power transmission line corridor geological disaster investigation method is present embodiments provided, includes mainly
Following steps：
S1：Region, which is easily sent out the condition of a disaster, by the image capture module and GPS module of unmanned plane inspection platform carries out aerophotograph shooting
And positioning；
By the meteorological acquisition module of on-line monitoring platform, the dynamic meteorological letter of transmission line of electricity monitoring modular difference real-time tracking
Breath and transmission line of electricity O＆M information etc.；
Power transmission line corridor three-dimensional scene models figure is generated by the topography and geomorphology modeling module of image processing platform；By supervising
Sort module realizes that the identification for major surface features type and disaster occurring region judges, obtains doubtful the condition of a disaster area information；By becoming
Change detection module and obtains shaft tower change information (such as shaft tower deformation, sinking, displacement, inclination metamorphosis).
S2：By data processing module for weather information, transmission line of electricity O＆M information, doubtful the condition of a disaster the region letter of acquisition
Breath, the effective data information of shaft tower extracting change information, and make further cleaning, screening, fusion, it is inputted as data.
S3：The data information of input and geological disaster model library are compared by the condition of a disaster evaluation module, the condition of a disaster assessment result is obtained, sends out
It send to O＆M command centre, judging in advance may be by the power transmission line corridor region that geological disaster is influenced and to formulate the region reasonable
O＆M strategy.
Wherein, weather information includes rainfall, rainfall intensity and time of the duration of rainfall etc.；Transmission line of electricity O＆M information includes
The operating parameters such as conductor temperature, conducting wire angle of wind deflection (waving, arc sag), current carrying capacity of conductor.
Topography and geomorphology modeling module generates power transmission line corridor topography and geomorphology in a short time according to unmanned plane filmed image
Three-dimensional scene models figure, includes the following steps：Image preprocessing, image registration, image mosaic, LOD refine modeling technique；Prison
Sort module is superintended and directed to classify to power transmission line corridor image using ENVY remote sensing image processings software, identify shaft tower, water body,
The atural objects such as forest land, meadow, bare area, house and geological disaster generation area；Change detection module takes Harris operator features
Point detecting method carries out Feature Points Matching to tower structure, obtains the metamorphosis information of shaft tower.
Data processing module makees further cleaning, screening, fusion for the information of other platforms extraction, as system
Data input, and by 5 kinds of input data and landslide, mud-rock flow, avalanche, flood, ground cracking etc. to 220kV and the above power transmission line
The geological disasters analysis mould model that road is affected is compared, and the condition of a disaster assessment result is obtained, to formulate Precaution Tactics.
A kind of power transmission line corridor geological disaster investigation method and system provided in an embodiment of the present invention include at least as follows
Technique effect：
In the embodiment of the present application, a kind of power transmission line corridor geological disaster investigation method and system are proposed, is passed through first
Unmanned plane and positioning structure power transmission line corridor three-dimensional scene models figure, and weather information, transmission line of electricity fortune are acquired in real time
Tie up information；The method for being then based on supervised classification classifies to power transmission line corridor three-dimensional scene models figure, identify shaft tower,
The atural objects such as water body, forest land, meadow, bare area, house and geological disaster generation area；It is again main research with electric power line pole tower
Object differentiates the variable condition of shaft tower；Finally by the weather information of acquisition, transmission line of electricity O＆M information, doubtful the condition of a disaster
Area information and shaft tower change information are inputted as data, are compared with existing geological disaster model library, may be sent out future
The region of raw dangerous situation carries out early warning.The present invention can realize the exploration to transmission line of electricity geological disaster, analysis, assessment and early warning, real
Now the object level of shaft tower is monitored, whole geological disaster exploration quality and efficiency is improved, ensures the accurate evaluation to geology the condition of a disaster, and
Shi Kaizhan emergency responses, to improve the reliability of electric power netting safe running.
It should be noted last that the above specific implementation mode is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described the invention in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit of the technical scheme of the invention and range, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of power transmission line corridor geological disaster survey system, which is characterized in that including：Unmanned plane inspection platform, online prison
Survey platform, image processing platform, data processing module, the condition of a disaster evaluation module；
The unmanned plane inspection platform includes image capture module, GPS module, and the on-line monitoring platform includes meteorological acquisition mould
Block, transmission line of electricity monitoring modular, described image processing platform include topography and geomorphology modeling module, supervised classification module, variation inspection
Survey module；
Described image acquisition module carries out aerophotograph shooting for easily sending out the condition of a disaster region, obtains power transmission line corridor image information；
The GPS module is positioned for easily sending out the condition of a disaster region, obtains latitude and longitude information；
The meteorology acquisition module for acquiring weather information in real time；
The transmission line of electricity monitoring modular for acquiring transmission line of electricity O＆M information in real time；
The topography and geomorphology modeling module is used to be generated according to the power transmission line corridor image information and the latitude and longitude information
Power transmission line corridor three-dimensional scene models figure；
The supervised classification module is used to send out type of ground objects and disaster according to the power transmission line corridor three-dimensional scene models figure
Judgement is identified in Radix Rehmanniae domain, obtains doubtful the condition of a disaster area information；
The change detection module is used to obtain shaft tower change information according to the power transmission line corridor three-dimensional scene models figure；
The data processing module is used for the weather information, the transmission line of electricity O＆M information, the doubtful the condition of a disaster region
Information, the shaft tower change information extract, and obtain valid data information；
The condition of a disaster evaluation module obtains the condition of a disaster assessment knot for comparing the valid data information and geological disaster model library
Fruit, and it is sent to O＆M command centre.
2. power transmission line corridor geological disaster survey system according to claim 1, which is characterized in that the topography and geomorphology
It includes image preprocessing, image registration, image mosaic, LOD essences that modeling module, which generates power transmission line corridor three-dimensional scene models figure,
Refinement modeling.
3. power transmission line corridor geological disaster survey system according to claim 1, which is characterized in that the variation detection
Module takes Harris operators feature point detecting method to carry out Feature Points Matching to shaft tower, obtains shaft tower change information.
4. power transmission line corridor geological disaster survey system according to claim 1, which is characterized in that the geological disaster model
Library includes landslide, mud-rock flow, avalanche, flood, ground 5 kinds of geological disasters analysis models of cracking.
5. a kind of power transmission line corridor geological disaster investigation method, which is characterized in that include the following steps：
It easily sends out the condition of a disaster region and carries out aerophotograph shooting and positioning, obtain power transmission line corridor image information and latitude and longitude information；
Acquisition weather information, transmission line of electricity O＆M information in real time；
Power transmission line corridor three-dimensional scene models are generated according to the power transmission line corridor image information and the latitude and longitude information
Figure；
Are identified by judgement and is obtained for type of ground objects and disaster generation region according to the power transmission line corridor three-dimensional scene models figure
It obtains doubtful the condition of a disaster area information, obtain shaft tower change information；
To the weather information, the transmission line of electricity O＆M information, the doubtful the condition of a disaster area information, the shaft tower change information
It extracts, obtains valid data information；
The valid data information and geological disaster model library are compared, the condition of a disaster assessment result is obtained, and is sent to O＆M commander
Center.
6. power transmission line corridor geological disaster investigation method according to claim 5, which is characterized in that taken by unmanned plane
It carries Visible Light Camera and carries out aerophotograph shooting acquisition power transmission line corridor image information, pass through the GPS sensor in unmanned plane gondola
It carries out positioning and obtains latitude and longitude information.
7. power transmission line corridor geological disaster investigation method according to claim 5, which is characterized in that the weather information
Including rainfall, the time of the duration of rainfall, the transmission line of electricity O＆M information includes conductor temperature, conducting wire angle of wind deflection, conducting wire current-carrying
Amount.
8. power transmission line corridor geological disaster investigation method according to claim 5, which is characterized in that the generation transmission of electricity
Line corridor three-dimensional scene models figure includes image preprocessing, image registration, image mosaic, LOD fining modelings.
9. power transmission line corridor geological disaster investigation method according to claim 5, which is characterized in that the variation detection
Module takes Harris operators feature point detecting method to carry out Feature Points Matching to shaft tower, obtains shaft tower change information.
10. power transmission line corridor geological disaster investigation method according to claim 5, which is characterized in that the geological disaster mould
Type library includes landslide, mud-rock flow, avalanche, flood, ground 5 kinds of geological disasters analysis models of cracking.
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| CN111445671A (en) * | 2020-04-02 | 2020-07-24 | 国网湖北省电力公司咸宁供电公司 | Power transmission line geological disaster monitoring system and method based on optical fiber strain analysis |
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| CN115796598A (en) * | 2022-12-23 | 2023-03-14 | 国网河北省电力有限公司电力科学研究院 | Dynamic fault risk assessment method and system for overhead transmission line in mountainous area |
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