CN106652303A - Method and device for monitoring and early warning forest fire in transmission line corridor in time - Google Patents
Method and device for monitoring and early warning forest fire in transmission line corridor in time Download PDFInfo
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- CN106652303A CN106652303A CN201710030195.8A CN201710030195A CN106652303A CN 106652303 A CN106652303 A CN 106652303A CN 201710030195 A CN201710030195 A CN 201710030195A CN 106652303 A CN106652303 A CN 106652303A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 63
- 230000005540 biological transmission Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000000007 visual effect Effects 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 13
- 230000000877 morphologic effect Effects 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000012876 topography Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000001535 kindling effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000012806 monitoring device Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/005—Fire alarms; Alarms responsive to explosion for forest fires, e.g. detecting fires spread over a large or outdoors area
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
Abstract
The invention discloses a method and device for monitoring and early warning forest fire in a transmission line corridor in time. The method comprises the following steps: obtaining geographic information of the transmission line corridor according to a national grid GIS information platform, controlling the operation of infrared monitoring equipment through meteorological data, and judging the possibility of the forest fire by processing an infrared image, processing a high-risk heat source according to a background server, accurately judging a kindling point by visual monitoring comparison and manual identification, predicting the trend of the forest fire according to the geographic information and meteorological information on the surrounding of the transmission line, and providing a reasonable handling solution.
Description
Technical field
The present invention relates to a kind of method and device of power transmission line corridor mountain fire monitor in real time early warning.
Background technology
Due to global warming, the frequency that the big high weather conditions conducive to wildfires of high temperature, arid, wind speed occurs gradually increases, every year
The number of times that mountain fire occurs is in rising trend.China's electrical network has the characteristics of distribution is wide, on the way landforms are complicated, amblent air temperature is totally different,
It is highly prone to the impact of the natural calamities such as mountain fire.With the development and the enforcement of global energy Internet Strategy of domestic electrical network,
Increasing remote, overlength distance ultra-high-tension power transmission line needs to pass through various mountainous terrains, the unique landforms in these areas
Easily cause mountain fire with weather conditions, cause transmission line of electricity tripping operation or even burn transmission line of electricity and steel tower, great electric power thing occurs
Therefore.
Particularly spring is dry windy, is the mountain fire danger high-incidence season, arrives the Ching Ming Festival adding, and burns the grass on waste land, offers a sacrifice to an ancestor and burn paper as sacrificial offerings, set off whip
The reasons such as big gun, burning debris easily cause mountain fire, the anti-mountain fire of electric power facility, external force damage prevention work to be faced with severe situation.Once send out
During raw mountain fire the condition of a disaster, mountain forest catches fire the line tripping that seriously may cause, and gives people productive life and brings serious impact, so should
The further reinforcement anti-mountain fire early warning means of electric power, actively accomplish early prevention, it is early find, it is early process, ensure electric power hidden danger control,
It is controllable, it is ensured that power network safety operation.
Further to strengthen the anti-mountain fire early warning means of electric power, needs are accomplished in time find mountain fire simultaneously once there is mountain fire fire
Automatically there is point to mountain fire to be accurately positioned and pre-alarm in advance, be that power department understands mountain fire situation in the very first time, so as to do
Go out timely and effectively emergency measures.
The content of the invention
In view of the shortcomings of the prior art, put down present invention is primarily targeted at providing a kind of state's net GIS information that combines
Platform, infrared monitoring, visual monitor, the mountain fire monitor in real time method for early warning of meteorological sensing and device so that walk in complicated circuit
In corridor environment, transmission line of electricity periphery fire condition is effectively monitored, timely early warning simultaneously provides effective counte-rplan, it is ensured that electrical network
Safe and stable operation.
In order to achieve this, technical scheme proposed by the invention is a kind of power transmission line corridor mountain fire monitor in real time early warning
Method and device, it is characterised in that the method comprising the steps of：
Step 1：The topography and geomorphology data that GIS information platforms obtain power transmission line corridor periphery are netted according to state；
Step 2：According to power transmission line corridor periphery situation, issuable ignition point is analyzed, carry out monitor in real time prior-warning device
Arrangement install, monitor in real time prior-warning device mainly include microclimate sensor, infrared monitoring equipment, visual monitoring equipment；
Step 3：The weather information obtained by microclimate sensor controls the monitoring frequency of infrared equipment, to infrared monitoring equipment
Monitoring result carry out image procossing and judgement, control the startup of visual monitoring equipment, it may be found that catch fire dot image and signal
Alarm is gone out to database concurrency by transmission of wireless signals；
Step 4：According to the ignition point for being monitored, mountain fire is sent out with reference to meteorological, geography information and mountain fire forward prediction algorithm
Exhibition trend is predicted；
Step 5：According to visual monitoring equipment and mountain fire trend prediction, there is provided corresponding emergency preplan.
Power transmission line corridor mountain fire monitor in real time method for early warning described above and device, it is characterised in that described step 2
In, monitor in real time prior-warning device include microclimate sensor, infrared monitoring equipment, visual monitoring equipment, signal processing module, in
Centre controller, solar cell, wireless communication module.Microclimate sensor is used to monitor circuit nearby aerial temperature and humidity, wind speed；
Infrared monitoring equipment is used to gather the infrared image near line corridor, and visual monitoring equipment is for collection site image and remotely
Monitor in real time；Signal processing module is used to process the weather information data of microclimate sensor acquisition；Central controller is used to control
Make the startup and operation of each equipment；Solar cell is used to provide electric energy for device, and wireless communication module is for transmission of monitoring letter
Breath and reception remote control signal.
Power transmission line corridor mountain fire monitor in real time method for early warning described above and device, it is characterised in that described step 3
Specifically include following sub-step：
Air themperature, relative humidity, wind speed near step 3.1 microclimate Sensor monitoring line corridor, transmits information to
Signal processing module, signal processing module is transmitted to central controller, central controller root after processing microclimate information
The monitoring frequency of infrared monitoring equipment is controlled according to the threshold value of setting；
Step 3.2 infrared monitoring equipment transmits the infrared image for collecting to background server by wireless communication module, after
Platform server carries out binary conversion treatment and Morphological scale-space by image recognition algorithm to the infrared image for collecting, and judges whether
There is the high-risk thermal source of doubtful ignition point, and will determine that result is transmitted to wireless communication module, by wireless communication module transmit to
Central controller；
Step 3.3 central controller is clapped doubtful ignition point according to the startup of the instruction control visual monitoring equipment for obtaining
Take the photograph and monitor in real time, wireless communication module transmits information to background server, alert notification O＆M is sent by background server
Personnel are accurately being judged.
Power transmission line corridor mountain fire monitor in real time method for early warning described above and device, it is characterised in that described step 4
Predominantly：Background server is analyzed to the geography information near doubtful ignition point and real-time microclimate information, based on mountain
Fiery trend prediction algorithm, simulates the tendency and development degree of mountain fire；
Power transmission line corridor mountain fire monitor in real time method for early warning described above and device, it is characterised in that:Described step
5：Position, the change of time for being spread according to mountain fire first, with reference to the real time data of wind speed/anemoscope, calculates fire point and spreads speed
Degree, burnt area after predicted time section Δ t；Consider many fire point situations, calculate the fiery minimum distance put from wire, and synchronized update
Monitoring line walking；The data such as comprehensive mountain fire rate of propagation, direction, distance, weighting judge mountain fire advanced warning grade, it is determined that report to the police away from
From；According to alarm distance, predict that the condition of a fire affects the time of line security；Real-time release warning information, guide line operation maintenance personnel
Site disposal transmission line forest fire is rushed towards as early as possible in the safety time of prediction.
Power transmission line corridor mountain fire monitor in real time method for early warning described above and device, it is characterised in that described step
3.1：When air themperature that microclimate Sensor monitoring is arrived is relatively low, relative humidity is big, wind speed is less, central controller controls are infrared
The each hour of monitoring device is once monitored；When three meteorologic factors have one to exceed threshold value, then infrared monitoring equipment is per half
Hour once monitored, when three meteorologic factors there are two and the above exceedes threshold value, then infrared monitoring equipment entered per ten minutes
Row is once monitored；
Power transmission line corridor mountain fire monitor in real time method for early warning described above and device, it is characterised in that described step
3.2：Background server carries out binaryzation and Morphological scale-space to infrared image, judges whether high-brightness region is high-risk thermal source
Point, if high-risk hot source point then matches infrared image and visual monitor image, by background server alert notification O＆M people is sent
Member judged, if not high-risk hot source point then collects the infrared image of first three time position, to the region trip temperature, area is entered
Filter with displacement, and carry out brightness and shape analysis, distinguish fire and other thermals source.
Compared with prior art, the present invention has the advantages that：
1st, the running frequency of monitoring device is controlled with meteorological data, process of the background server to redundant data is reduced；Pass through
The screening of server, reduces the working strength of operation maintenance personnel；
2nd, based on meteorological data and spatial data prediction mountain fire tendency, the direction of monitor in real time mountain fire dynamic displacement, speed and fire
Vertical range of the field edge far from transmission line of electricity, it is predicted that the time and distance up to alarm band, backstage sends alert messages, and is given
Rational emergency preplan, improves the disposal efficiency of operation maintenance personnel.
Description of the drawings
Fig. 1 is the power transmission line corridor mountain fire monitor in real time prior-warning device schematic diagram of the present invention.
Specific embodiment
In order to be better understood from method and device of the present invention, do and illustrate further below.Those skilled in the art
The present invention is made various changes or modifications, its equivalent form of value is equally within the scope of claims listed by the application are limited.
As shown in figure 1, the present invention provides a kind of power transmission line corridor mountain fire monitor in real time prior-warning device, methods described includes
Following steps：
Step 1：The topography and geomorphology data that GIS information platforms obtain power transmission line corridor periphery are netted according to state；
Step 2：According to power transmission line corridor periphery situation, issuable ignition point is analyzed, carry out monitor in real time prior-warning device
Arrangement install, monitor in real time prior-warning device mainly include microclimate sensor, infrared monitoring equipment, visual monitoring equipment；
Step 3：The weather information obtained by microclimate sensor controls the monitoring frequency of infrared equipment, to infrared monitoring equipment
Monitoring result carry out image procossing and judgement, control the startup of visual monitoring equipment, it may be found that catch fire dot image and signal
Alarm is gone out to database concurrency by transmission of wireless signals；
Step 4：According to the ignition point for being monitored, mountain fire is sent out with reference to meteorological, geography information and mountain fire forward prediction algorithm
Exhibition trend is predicted；
Step 5：According to visual monitoring equipment and mountain fire trend prediction, there is provided corresponding emergency preplan.
The step 2 includes herein below：
The topography and geomorphology of analysis power transmission line corridor periphery, it is considered to effective monitoring distance of monitor in real time prior-warning device, selects to close
Suitable shaft tower installs monitor in real time prior-warning device；
The step 3 includes following sub-step：
When air themperature that step 3.1 microclimate Sensor monitoring is arrived is relatively low, relative humidity is big, wind speed is less, central controller
The each hour of control infrared monitoring equipment is once monitored；When three meteorologic factors have one to exceed threshold value, then infrared monitoring
Equipment was once monitored per half an hour, and when three meteorologic factors have two and the above exceedes threshold value, then infrared monitoring equipment is every
Once monitored within ten minutes；
Step 3.2 background server carries out binaryzation and Morphological scale-space to infrared image, judges whether high-brightness region is high
Danger hot source point, if high-risk hot source point then matches infrared image and visual monitor image, by background server alert notification is sent
Operation maintenance personnel judged, if not high-risk hot source point then collects the infrared image of first three position, to the region temperature is carried out
Degree, area and displacement filtering, and brightness and shape analysis are carried out, distinguish fire and other thermals source.
Step 3.3 central controller is clapped doubtful ignition point according to the startup of the instruction control visual monitoring equipment for obtaining
Take the photograph and monitor in real time, wireless communication module transmits information to background server, alert notification O＆M is sent by background server
Personnel are accurately being judged.
The step 4 includes herein below：
Background server is analyzed to the geography information near doubtful ignition point and real-time microclimate information, is become based on mountain fire
Gesture prediction algorithm, simulates the tendency and development degree of mountain fire；
The step 5 includes herein below：
It is pre- with reference to step 4 in advance according to line corridor geography information and wind speed when monitoring to have ignition point near line corridor
Result is surveyed, transmission line forest fire warning information is issued in time, guide line operation maintenance personnel rushes towards as early as possible site disposal transmission line of electricity
Mountain fire.
The step 5 includes following sub-step：
The change of position, time that step 5.1 spreads according to mountain fire, with reference to the real time data of wind speed/anemoscope, calculates fire point climing
Prolong speed, burnt area after predicted time section Δ t；
Step 5.2 considers many fire point situations, calculates the fiery minimum distance put from wire, and synchronized update monitoring line walking；
Mountain fire advanced warning grade is judged in the data such as step 5.3 synthesis mountain fire rate of propagation, direction, distance, weighting, it is determined that warning away from
From；
Step 5.4 predicts that the condition of a fire affects the time of line security according to alarm distance；Real-time release warning information, guide line
Operation maintenance personnel rushes towards as early as possible site disposal transmission line forest fire in the safety time of prediction.
Claims (7)
1. a kind of method and device of power transmission line corridor mountain fire monitor in real time early warning, it is characterised in that methods described include with
Lower step：
Step 1：The topography and geomorphology data that GIS information platforms obtain power transmission line corridor periphery are netted according to state；
Step 2：According to power transmission line corridor periphery situation, issuable ignition point is analyzed, carry out monitor in real time prior-warning device
Arrangement install, monitor in real time prior-warning device mainly include microclimate sensor, infrared monitoring equipment, visual monitoring equipment；
Step 3：The weather information obtained by microclimate sensor controls the monitoring frequency of infrared equipment, to infrared monitoring equipment
Monitoring result carry out image procossing and judgement, control the startup of visual monitoring equipment, it may be found that catch fire dot image and signal
Alarm is gone out to database concurrency by transmission of wireless signals；
Step 4：According to the ignition point for being monitored, mountain fire is sent out with reference to meteorological, geography information and mountain fire forward prediction algorithm
Exhibition trend is predicted；
Step 5：According to visual monitoring equipment and mountain fire trend prediction, there is provided corresponding emergency preplan.
2. power transmission line corridor mountain fire monitor in real time method for early warning according to claim 1, it is characterised in that described step
In rapid 2, monitor in real time prior-warning device, including microclimate sensor, infrared monitoring equipment, visual monitoring equipment, signal transacting mould
Block, central controller, solar cell, wireless communication module；Microclimate sensor be used to monitoring circuit nearby aerial temperature and humidity,
Wind speed；Infrared monitoring equipment is used to gather the infrared image near line corridor；Visual monitoring equipment is used for collection site image
And remote real-time monitoring；Signal processing module is used to process the weather information data of microclimate sensor acquisition；Central controller
For controlling the startup and operation of each equipment；Solar cell is used to provide electric energy for device；Wireless communication module is used to transmit
Monitoring information and reception remote control signal.
3. power transmission line corridor mountain fire monitor in real time method for early warning according to claim 2, it is characterised in that described step
Rapid 3 specifically include following sub-step：
Air themperature, relative humidity, wind speed near step 3.1 microclimate Sensor monitoring line corridor, transmits information to
Signal processing module, signal processing module is transmitted to central controller, central controller root after processing microclimate information
The monitoring frequency of infrared monitoring equipment is controlled according to the threshold value of setting；
Step 3.2 infrared monitoring equipment transmits the infrared image for collecting to background server by wireless communication module, after
Platform server carries out binary conversion treatment and Morphological scale-space by image recognition algorithm to the infrared image for collecting, and judges whether
There is the high-risk thermal source of doubtful ignition point, and will determine that result is transmitted to wireless communication module, by wireless communication module transmit to
Central controller；
Step 3.3 central controller is clapped doubtful ignition point according to the startup of the instruction control visual monitoring equipment for obtaining
Take the photograph and monitor in real time, wireless communication module transmits information to background server, alert notification O＆M is sent by background server
Personnel are accurately being judged.
4. power transmission line corridor mountain fire monitor in real time method for early warning according to claim 3, it is characterised in that described step
Rapid 4 are specially：Background server is analyzed to the geography information near doubtful ignition point and real-time microclimate information, is based on
Mountain fire trend prediction algorithm, simulates the tendency and development degree of mountain fire.
5. power transmission line corridor mountain fire monitor in real time method for early warning according to claim 3, it is characterised in that described step
Rapid 5 are specially：Position, the change of time for being spread according to mountain fire first, with reference to the real time data of wind speed/anemoscope, calculates fire
Point rate of propagation, burnt area after predicted time section Δ t；Consider many fire point situations, calculate the fiery minimum distance put from wire, and
Synchronized update monitors line walking；Mountain fire advanced warning grade is judged in the data such as comprehensive mountain fire rate of propagation, direction, distance, weighting, it is determined that
Alarm distance；According to alarm distance, predict that the condition of a fire affects the time of line security；Real-time release warning information, guide line fortune
Dimension personnel rush towards as early as possible site disposal transmission line forest fire in the safety time of prediction.
6. power transmission line corridor mountain fire monitor in real time method for early warning according to claim 3, it is characterised in that：The step
When in 3.1, air themperature that microclimate Sensor monitoring is arrived is relatively low, relative humidity is big, wind speed is less, central controller controls are red
The each hour of external monitor equipment is once monitored；When three meteorologic factors have one to exceed threshold value, then infrared monitoring equipment is every
Half an hour is once monitored, and when three meteorologic factors have two and the above to exceed threshold value, then infrared monitoring equipment was per ten minutes
Once monitored.
7. power transmission line corridor mountain fire monitor in real time method for early warning according to claim 6, it is characterised in that：The step
In 3.2, background server carries out binaryzation and Morphological scale-space to infrared image, judges whether high-brightness region is high-risk thermal source
Point, if high-risk hot source point then matches infrared image and visual monitor image, by background server alert notification O＆M people is sent
Member judged, if not high-risk hot source point then collects the infrared image of first three time position, to the region trip temperature, area is entered
Filter with displacement, and carry out brightness and shape analysis, distinguish fire and other thermals source.
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| CN107316131A (en) * | 2017-06-09 | 2017-11-03 | 国网重庆市电力公司电力科学研究院 | A kind of electric power meter mounting process quality detecting system based on image recognition |
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Application publication date: 20170510 |