CN103745580B - Be applicable to Lightning Warning system and the method for early warning of transmission line construction operation - Google Patents
Be applicable to Lightning Warning system and the method for early warning of transmission line construction operation Download PDFInfo
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Abstract
The invention discloses a kind of the Lightning Warning system and the method for early warning that are applicable to transmission line construction operation, it comprises the Lightning Warning information processing platform, Lightning Warning information promulgating platform, Lightning Warning information release terminal, the described Lightning Warning information processing platform comprises early warning raw data base, geographic information database and early warning information processing enter, wherein, described early warning raw data base is all connected the communication ends of early warning information processing enter with the communication ends of geographic information database, the signal output part of described early warning information processing enter connects the signal input part of Lightning Warning information release terminal by Lightning Warning information promulgating platform.The present invention adopts multiple Monitoring Data to carry out comprehensive Lightning Warning, has higher Lightning Warning precision, and overcomes in prior art due to Lightning Warning restriction geographically that the monitoring range of atmospheric electric field detector and lightning interferometer brings.
Description
Technical field
The present invention relates to disaster method for early warning and application system technical field, refer to a kind of the Lightning Warning system and the method for early warning that are applicable to transmission line construction operation particularly.
Background technology
For transmission line construction operation, towering transmission tower often subjects to most thunderbolt, transmission tower this draw thunder characteristic certainly will by tower and the safety of neighbouring operating personnel and equipment cause acid test.Therefore, in transmission line construction operation, should pay much attention to organize the lightning protection safety problem in pylon line process.Chinese invention patent " a kind of method of automatic acquisition atmospheric electric field Lightning Warning characteristic parameter threshold " (application number: CN201210558204.8) proposes a kind of method of automatic acquisition atmospheric electric field Lightning Warning characteristic parameter threshold, by obtaining Lightning Warning characteristic parameter to the pre-service of atmospheric electric field Monitoring Data, simultaneously, in conjunction with thunder and lightning historical data, filter out the characteristic parameter that early warning resolution characteristic is stronger, according to scope and precision set one group of different threshold value of each characteristic parameter, the final comprehensive characteristics parameter threshold forming atmospheric electric field Lightning Warning.Chinese invention patent " Lightning Warning method and device " (application number: CN201010567357.X) proposes a kind of Lightning Warning method based on lightning interferometer principle, first by identifying radiation of lightening discharge signal and rejecting undesired signal, then the phase differential of vertical antenna array is arrived by measuring radiation of lightening discharge signal, calculate the elevation angle of radiation of lightening discharge signal, according to the distance in estimation thunder and lightning source, the described elevation angle, and the frequency that real-time statistics thunder and lightning occurs, the lightening alarm of different brackets is finally carried out according to the Distance geometry lightening activity feature in described thunder and lightning source.Applicant finds, above-mentioned two kinds of methods use only single Monitoring Data and carry out Lightning Warning, and early warning precision is not high, meanwhile, because the monitoring range of atmospheric electric field detector and lightning interferometer is limited, can not be applied to large-scale transmission line construction operation.
Summary of the invention
Object of the present invention is exactly to provide a kind of the Lightning Warning system and the method for early warning that are applicable to transmission line construction operation, this system and method adopts multiple Monitoring Data to carry out comprehensive Lightning Warning, there is higher Lightning Warning precision, and overcome in prior art due to Lightning Warning restriction geographically that the monitoring range of atmospheric electric field detector and lightning interferometer brings.
For realizing this object, the Lightning Warning system being applicable to transmission line construction operation designed by the present invention, it is characterized in that: it comprises the Lightning Warning information processing platform, Lightning Warning information promulgating platform, Lightning Warning information release terminal, the described Lightning Warning information processing platform comprises early warning raw data base, geographic information database and early warning information processing enter, wherein, described early warning raw data base is all connected the communication ends of early warning information processing enter with the communication ends of geographic information database, the signal output part of described early warning information processing enter connects the signal input part of Lightning Warning information release terminal by Lightning Warning information promulgating platform.
Described Lightning Warning information promulgating platform comprises WEB(webpage) information issuing module, APP(application, application) information issuing module and cellphone information release module, described Lightning Warning information release terminal comprises computer and mobile phone, the signal output part of described early warning information processing enter connects WEB information issuing module respectively, the signal input part of APP information issuing module and cellphone information release module, the signal output part of WEB information issuing module connects computer by network, APP information issuing module is connected mobile phone with the signal output part of cellphone information release module by network.
Described Lightning Warning information promulgating platform also comprises audible and visible alarm information issuing module, described Lightning Warning information release terminal also comprises acoustooptic alarm, the signal output part of described early warning information processing enter connects the signal input part of audible and visible alarm information issuing module, and the signal output part of audible and visible alarm information issuing module connects acoustooptic alarm by network.
Based on the above-mentioned Lightning Warning method being applicable to the Lightning Warning system of transmission line construction operation, it is characterized in that, it comprises the steps:
Step 1: in early warning raw data base stored in transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information and atmospheric electric field information; Simultaneously to the geographic coordinate information of geographic information database stored in transmission line construction engineering construction bid section completely;
Step 2: early warning information processing enter by early warning raw data base obtain transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information and atmospheric electric field information, early warning information processing enter obtains the geographic coordinate information of transmission line construction engineering all fronts construction bid section by geographic information database, described early warning information processing enter according to above-mentioned transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information, atmospheric electric field information and geographic coordinate information, realize the tracking of thunderstorm Development area and lightening activity trend, when radar return information, thunder and lightning positioning information, when atmospheric electric field information and geographic coordinate information meet following condition, generate corresponding early warning information,
If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 40 ~ 60km is the first viewing area; If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 20 ~ 40km is the second viewing area; If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 10 ~ 20km is the 3rd viewing area;
On the height of-10 DEG C of temperature layer correspondences in the first viewing area air, radar two continuous print bodies sweep the echo reflection rate threshold value all reaching 40dBz, simultaneously, thunder and lightning positioning information shows in the first viewing area has thunder and lighting process to occur in 2 hours in the past, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter generates yellow early warning information;
On the height of-10 DEG C of temperature layer correspondences in the second viewing area air, radar two continuous print bodies sweep the echo reflection rate that all reaches 40dBz and more than 40dBz echo reflection rate accounts for the percent by volume of more than 25dBz echo reflection rate more than 5% on this height, simultaneously, thunder and lightning positioning information shows in the second viewing area has thunder and lighting process to occur in 2 hours in the past, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter generates orange early warning information;
When the atmospheric electric field information in early warning region-of-interest is increased to 6kV/m, simultaneously, thunder and lighting process is had to occur in 2 hours in the past in thunder and lightning positioning information display the 3rd viewing area, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter generates red early warning information;
Step 3: the yellow early warning information generated or orange early warning information or red early warning information are sent to Lightning Warning information release terminal by Lightning Warning information promulgating platform by early warning information processing enter, early warning information is broadcasted by Lightning Warning information release terminal, reminds workmen.
Also comprise in described step 1: in early warning raw data base also stored in transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, satellite cloud picture information real-time in the region of radius 60km;
Also comprise in described step 2: early warning information processing enter also by early warning raw data base obtain transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, satellite cloud picture information real-time in the region of radius 60km, when maximum value appears in the local standard deviation of the cloud cluster in satellite cloud picture information, and there is minimal value in the infrared division gray scale difference in satellite cloud picture information, and this minimal value≤0, simultaneously, when meteorological department has issued Thunderstorm Weather forecast information, described early warning information processing enter generates thunderstorm forecast information;
Also comprise in described step 3: the thunderstorm forecast information of generation is sent to Lightning Warning information release terminal by Lightning Warning information promulgating platform by early warning information processing enter, thunderstorm forecast information broadcasts by Lightning Warning information release terminal, reminds workmen.
Also comprise in described step 2, if early warning region-of-interest and with early warning region-of-interest for the center of circle, the radius region be less than in 10 scopes is the 4th viewing area;
When the atmospheric electric field information in early warning region-of-interest is increased to 8kV/m, and had thunder and lighting process to occur in 2 hours in the past in thunder and lightning positioning information display the 4th viewing area, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter generates sound and light alarm signal;
Also comprise in described step 3: the sound and light alarm signal of generation is sent to Lightning Warning information release terminal by Lightning Warning information promulgating platform by early warning information processing enter, and Lightning Warning information release terminal carries out sound and light alarm prompting to site operation personnel.
In described step 3, yellow early warning information or orange early warning information or red early warning information or thunderstorm forecast information send to the mobile phone in Lightning Warning information release terminal by the cellphone information release module in Lightning Warning information promulgating platform.
In described step 3, yellow early warning information or orange early warning information or red early warning information or thunderstorm forecast information send to the computer in Lightning Warning information release terminal by the WEB information issuing module in Lightning Warning information promulgating platform.
Compared with prior art the present invention has following beneficial effect:
1, Lightning Warning information combines with construction operation actual conditions and lightning protection demand by Lightning Warning method, has good operability, practicality and specific aim.
2, Lightning Warning information have employed the Lightning Warning information grading method in comprehensive thunder and lightning time of origin and space, and the decision-making assistant information of corresponding prediction scheme is provided, solve the problem of lightning protection measures decision-making foundation scarcity, the construction operation that becomes more meticulous achieving reply thunder calamity is disposed.
3, Lightning Warning information promulgating platform provides WEB service, APP application, note, audible and visible alarm four kinds of Information application modes, achieve early-warning and predicting information accurately to throw in time, solve the problem of " the development activity of thunderstorm can only be monitored; lightning protection measures decision-making foundation is deficient; the lightning protection emergency plan of thunder and lightning prevention combination cannot be formulated according to real-time condition, thus high-altitude construction operation lightning protection safety management cannot be realized " existed in current Lightning Warning.
4, Lightning Warning information promulgating platform provides APP Information issued mode, construction commanding checks the early-warning and predicting information in region-of-interest whenever and wherever possible by smart mobile phone, simultaneously, the Lightning Warning note in region-of-interest can be received, apply with achieving Lightning Warning information convenient and efficient.
5, the present invention is to radar return information, thunder and lightning positioning information, atmospheric electric field information, geographic coordinate information and these multiple Monitoring Data of satellite cloud picture information carry out comprehensive Lightning Warning, there is higher Lightning Warning precision, in addition, owing to only having atmospheric electric field detector and lightning interferometer in prior art, and these two instruments have investigative range, cause prewarning area very little, and we used large-scale thunder and lightning positioning information, radar return information and satellite cloud picture information, wider Lightning Warning can be realized, simultaneously, due to prediction reference information of the present invention more comprehensively, the present invention is made to have better early warning effect.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
1.1-Lightning Warning information processing platform, 1.2-Lightning Warning information promulgating platform, 1.3-Lightning Warning information release terminal, 1.4-early warning raw data base, 1.5-geographic information database, 1.6-early warning information processing enter, 1.7-WEB information issuing module, 1.8-APP information issuing module, 1.9-cellphone information release module, 1.10-audible and visible alarm information issuing module, 1.11-computer, 1.12-mobile phone, 1.13-acoustooptic alarm.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
The Lightning Warning system being applicable to transmission line construction operation as shown in Figure 1, it comprises the Lightning Warning information processing platform 1.1, Lightning Warning information promulgating platform 1.2, Lightning Warning information release terminal 1.3, the described Lightning Warning information processing platform 1.1 comprises early warning raw data base 1.4, geographic information database 1.5 and early warning information processing enter 1.6, wherein, described early warning raw data base 1.4 is all connected the communication ends of early warning information processing enter 1.6 with the communication ends of geographic information database 1.5, the signal output part of described early warning information processing enter 1.6 connects the signal input part of Lightning Warning information release terminal 1.3 by Lightning Warning information promulgating platform 1.2.
In technique scheme, described Lightning Warning information promulgating platform 1.2 comprises WEB information issuing module 1.7, APP information issuing module 1.8 and cellphone information release module 1.9, described Lightning Warning information release terminal 1.3 comprises computer 1.11 and mobile phone 1.12, the signal output part of described early warning information processing enter 1.6 connects WEB information issuing module 1.7 respectively, the signal input part of APP information issuing module 1.8 and cellphone information release module 1.9, the signal output part of WEB information issuing module 1.7 connects computer 1.11 by network, APP information issuing module 1.8 is connected mobile phone 1.12 with the signal output part of cellphone information release module 1.9 by network.
In technique scheme, described Lightning Warning information promulgating platform 1.2 also comprises audible and visible alarm information issuing module 1.10, described Lightning Warning information release terminal 1.3 also comprises acoustooptic alarm 1.13, the signal output part of described early warning information processing enter 1.6 connects the signal input part of audible and visible alarm information issuing module 1.10, and the signal output part of audible and visible alarm information issuing module 1.10 connects acoustooptic alarm 1.13 by network.Described acoustooptic alarm 1.13 is for issuing emergency alarm for working-yard operating personnel.
In technique scheme, described WEB information issuing module 1.7 adopts B/S(Browser/Server, Browser/Server Mode) structural design, computer 1.11 is made to show all early-warning and predicting information of transmission line construction engineering Shi Biao workshop section completely by the mode of webpage, comprise thunderstorm forecast information and the Lightning Warning information of all periods, a situation arises in real time for the thunder and lightning simultaneously in displaying region-of-interest 60 kilometer range.
In technique scheme, described APP information issuing module 1.8 issues early warning information by the mode of real time propelling movement to mobile phone 1.12, simultaneously, the construction commanding holding mobile phone 1.12 can receive Warning Service pushed information by the mode logined by authority, and check early warning region-of-interest and with early warning region-of-interest for the center of circle, a situation arises in real time for the thunder and lightning within the scope of radius 60km.
In technique scheme, described cellphone information release module 1.9 adopts B/S structural design, in conjunction with note cat pool technology, realizes many cards simultaneously online, ensure that note is stable and sends in time.
In technique scheme, early warning information processing enter 1.6 is data processing server.
Based on the above-mentioned Lightning Warning method being applicable to the Lightning Warning system of transmission line construction operation, it comprises the steps:
Step 1: in early warning raw data base 1.4 stored in transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information and atmospheric electric field information; Simultaneously to the geographic coordinate information of geographic information database 1.5 stored in transmission line construction engineering construction bid section completely;
Step 2: early warning information processing enter 1.6 by early warning raw data base 1.4 obtain transmission line construction engineering completely scope (i.e. transmission line construction engineering all construct the scope of bid section) and with transmission line construction engineering all fronts scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information and atmospheric electric field information, early warning information processing enter 1.6 obtains the geographic coordinate information of transmission line construction engineering all fronts construction bid section by geographic information database 1.5, described early warning information processing enter 1.6 according to above-mentioned transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information, atmospheric electric field information and geographic coordinate information, realize the tracking of thunderstorm Development area and lightening activity trend, when radar return information, thunder and lightning positioning information, when atmospheric electric field information and geographic coordinate information meet following condition, generate corresponding early warning information,
If (transmission line construction engineering is made up of several engineering bid sections early warning region-of-interest completely, each engineering bid section is responsible for the construction operation of zones of different completely, early warning region-of-interest and corresponding each engineering bid section are carrying out the region of construction operation) and with early warning region-of-interest for the center of circle, the region within the scope of radius 40 ~ 60km is the first viewing area; If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 20 ~ 40km is the second viewing area; If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 10 ~ 20km is the 3rd viewing area;
On the height of-10 DEG C of temperature layer correspondences in the first viewing area air, radar two continuous print bodies sweep the echo reflection rate threshold value all reaching 40dBz, simultaneously, thunder and lightning positioning information shows in the first viewing area has thunder and lighting process to occur in 2 hours in the past, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter 1.6 generates yellow early warning information;
On the height of-10 DEG C of temperature layer correspondences in the second viewing area air, radar two continuous print bodies sweep the echo reflection rate that all reaches 40dBz and more than 40dBz echo reflection rate accounts for the percent by volume of more than 25dBz echo reflection rate more than 5% on this height, simultaneously, thunder and lightning positioning information shows in the second viewing area has thunder and lighting process to occur in 2 hours in the past, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter 1.6 generates orange early warning information;
When the atmospheric electric field information in early warning region-of-interest is increased to 6kV/m, simultaneously, thunder and lighting process is had to occur in 2 hours in the past in thunder and lightning positioning information display the 3rd viewing area, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter 1.6 generates red early warning information;
Step 3: the yellow early warning information generated or orange early warning information or red early warning information are sent to Lightning Warning information release terminal 1.3 by Lightning Warning information promulgating platform 1.2 by early warning information processing enter 1.6, early warning information is broadcasted by Lightning Warning information release terminal 1.3, reminds workmen.
In technique scheme, yellow early warning information is the yellow early warning information of 1 ~ 2 hour in advance, and workmen can adjust form of construction work in advance according to this yellow early warning information.Yellow early warning information is distributed to the form of SMS the mobile phone 1.12 that construction bid section specializes in safely personnel by cellphone information release module 1.9.Construction bid section is specialized in safely personnel and should be checked working-yard thunder resisting equipment and escape way in advance, carries out lightning protection emergency preplan.
In technique scheme, orange early warning information is the orange early warning information of 0.5 ~ 1 hour in advance, and workmen can adjust form of construction work in advance according to this orange early warning information.Orange early warning information is distributed to the mobile phone 1.12 of construction bid section team leader with the form of SMS by cellphone information release module 1.9.Construction bid section team leader should pay close attention to weather condition and real-time Lightning Warning information, avoids work high above the ground as far as possible and reduces the workmen's quantity simultaneously going up tower operation.
In technique scheme, red early warning information is the red early warning information of 0.2 ~ 0.5 hour in advance, and workmen can adjust form of construction work in advance according to this red early warning information.Red early warning information is distributed to the mobile phone 1.12 of construction work team leader with the form of SMS by cellphone information release module 1.9.Construction bid section team leader should stop the dangerous larger high-altitude construction operation of institute immediately, suitable reserve part Ground Operation personnel, if sound and light alarm signal appears in working-yard, the bid section team leader that constructs organizing construction personnel should evacuate to safety area in time.
The step 1 of technique scheme: in early warning raw data base 1.4 also stored in transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, satellite cloud picture information real-time in the region of radius 60km;
In the step 2 of technique scheme: early warning information processing enter 1.6 also by early warning raw data base 1.4 obtain transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, satellite cloud picture information real-time in the region of radius 60km, when the local standard deviation of the cloud cluster in satellite cloud picture information is (for a certain specific cloud cluster, its local standard deviation refers to the standard deviation of pixel matrix gray-scale value contained by this cloud cluster) occur that (namely the derivative of the local standard deviation of cloud cluster exists and is 0 maximum value, and the local standard deviation of cloud cluster be greater than derivative be 0 pixel near the local standard deviation of cloud cluster), and the infrared division gray scale difference in satellite cloud picture information occurs that (namely the derivative of infrared division gray scale difference exists and is 0 minimal value, and this infrared division gray scale difference be less than derivative be 0 pixel near infrared division gray scale difference), and this minimal value≤0, simultaneously, when meteorological department has issued Thunderstorm Weather forecast information, described early warning information processing enter 1.6 generates thunderstorm forecast information,
Described step 3: the thunderstorm forecast information of generation is sent to Lightning Warning information release terminal 1.3 by Lightning Warning information promulgating platform 1.2 by early warning information processing enter 1.6, thunderstorm forecast information broadcasts by Lightning Warning information release terminal 1.3, reminds workmen.
Above-mentioned thunderstorm forecast information is the thunderstorm forecast information of 1 ~ 3 day in advance, and workmen can adjust form of construction work in advance according to this thunderstorm forecast information.Thunderstorm forecast information is distributed to the mobile phone 1.12 of construction project department manager with the form of SMS by cellphone information release module 1.9; Described thunderstorm forecast information spatial accuracy is 100 kilometers, and time precision is 1 ~ 3 day, contributes to the work that construction project department commanding arranges 1 ~ 3 day, rationally hides Thunderstorm Weather.
In the step 2 of technique scheme, if early warning region-of-interest and with early warning region-of-interest for the center of circle, the radius region be less than in 10 scopes is the 4th viewing area;
When the atmospheric electric field information in early warning region-of-interest is increased to 8kV/m, and had thunder and lighting process to occur in 2 hours in the past in thunder and lightning positioning information display the 4th viewing area, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter 1.6 generates sound and light alarm signal;
Described step 3: the sound and light alarm signal of generation is sent to the acoustooptic alarm 1.13 in Lightning Warning information release terminal 1.3 by early warning information processing enter 1.6 by the audible and visible alarm information issuing module 1.10 in Lightning Warning information promulgating platform 1.2, the 1.13 couples of site operation personnel of the acoustooptic alarm in Lightning Warning information release terminal 1.3 carry out sound and light alarm prompting.
In technique scheme, described early warning information classification is thrown in, it is characterized in that: Information issued object has been carried out partition of the level according to the requirement of construction work safety management system by Lightning Warning information promulgating platform 1.2, the early warning information of different brackets is sent to the object of different safety management authority, to remind construction related personnel to carry out lightning protection preliminary work, ensure that the efficient application of Lightning Warning information.
In the step 3 of technique scheme, yellow early warning information or orange early warning information or red early warning information or thunderstorm forecast information send to the mobile phone 1.12 in Lightning Warning information release terminal 1.3 by the cellphone information release module 1.9 in Lightning Warning information promulgating platform 1.2.
In the step 3 of technique scheme, yellow early warning information or orange early warning information or red early warning information or thunderstorm forecast information send to the computer 1.11 in Lightning Warning information release terminal 1.3 by the WEB information issuing module 1.7 in Lightning Warning information promulgating platform 1.2.
The content that this instructions is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (7)
1. the Lightning Warning system that a utilization is applicable to transmission line construction operation carries out the method for Lightning Warning, the described Lightning Warning system being applicable to transmission line construction operation comprises the Lightning Warning information processing platform (1.1), Lightning Warning information promulgating platform (1.2), Lightning Warning information release terminal (1.3), the described Lightning Warning information processing platform (1.1) comprises early warning raw data base (1.4), geographic information database (1.5) and early warning information processing enter (1.6), wherein, described early warning raw data base (1.4) and the communication ends of geographic information database (1.5) are all connected the communication ends of early warning information processing enter (1.6), the signal output part of described early warning information processing enter (1.6) connects the signal input part of Lightning Warning information release terminal (1.3) by Lightning Warning information promulgating platform (1.2),
It is characterized in that: utilize the Lightning Warning system being applicable to transmission line construction operation to carry out the method for Lightning Warning, comprise the steps:
Step 1: in early warning raw data base (1.4) stored in transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information and atmospheric electric field information; Simultaneously to the geographic coordinate information of geographic information database (1.5) stored in transmission line construction engineering construction bid section completely;
Step 2: early warning information processing enter (1.6) by early warning raw data base (1.4) obtain transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information and atmospheric electric field information, early warning information processing enter (1.6) obtains the geographic coordinate information of transmission line construction engineering all fronts construction bid section by geographic information database (1.5), described early warning information processing enter (1.6) according to above-mentioned transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, radar return information real-time in the region of radius 60km, thunder and lightning positioning information, atmospheric electric field information and geographic coordinate information, realize the tracking of thunderstorm Development area and lightening activity trend, when radar return information, thunder and lightning positioning information, when atmospheric electric field information and geographic coordinate information meet following condition, generate corresponding early warning information,
If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 40 ~ 60km is the first viewing area; If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 20 ~ 40km is the second viewing area; If early warning region-of-interest and with early warning region-of-interest for the center of circle, the region within the scope of radius 10 ~ 20km is the 3rd viewing area;
On the height of-10 DEG C of temperature layer correspondences in the first viewing area air, radar two continuous print bodies sweep the echo reflection rate threshold value all reaching 40dBz, simultaneously, thunder and lightning positioning information shows in the first viewing area has thunder and lighting process to occur in 2 hours in the past, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter (1.6) generates yellow early warning information;
On the height of-10 DEG C of temperature layer correspondences in the second viewing area air, radar two continuous print bodies sweep the echo reflection rate that all reaches 40dBz and more than 40dBz echo reflection rate accounts for the percent by volume of more than 25dBz echo reflection rate more than 5% on this height, simultaneously, thunder and lightning positioning information shows in the second viewing area has thunder and lighting process to occur in 2 hours in the past, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter (1.6) generates orange early warning information;
When the atmospheric electric field information in early warning region-of-interest is increased to 6kV/m, simultaneously, thunder and lighting process is had to occur in 2 hours in the past in thunder and lightning positioning information display the 3rd viewing area, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter (1.6) generates red early warning information;
Step 3: the yellow early warning information generated or orange early warning information or red early warning information are sent to Lightning Warning information release terminal (1.3) by Lightning Warning information promulgating platform (1.2) by early warning information processing enter (1.6), early warning information is broadcasted by Lightning Warning information release terminal (1.3), reminds workmen.
2. Lightning Warning method according to claim 1, it is characterized in that: described Lightning Warning information promulgating platform (1.2) comprises WEB information issuing module (1.7), APP information issuing module (1.8) and cellphone information release module (1.9), described Lightning Warning information release terminal (1.3) comprises computer (1.11) and mobile phone (1.12), the signal output part of described early warning information processing enter (1.6) connects WEB information issuing module (1.7) respectively, the signal input part of APP information issuing module (1.8) and cellphone information release module (1.9), the signal output part of WEB information issuing module (1.7) connects computer (1.11) by network, APP information issuing module (1.8) is connected mobile phone (1.12) with the signal output part of cellphone information release module (1.9) by network.
3. Lightning Warning method according to claim 2, it is characterized in that: described Lightning Warning information promulgating platform (1.2) also comprises audible and visible alarm information issuing module (1.10), described Lightning Warning information release terminal (1.3) also comprises acoustooptic alarm (1.13), the signal output part of described early warning information processing enter (1.6) connects the signal input part of audible and visible alarm information issuing module (1.10), and the signal output part of audible and visible alarm information issuing module (1.10) connects acoustooptic alarm (1.13) by network.
4. Lightning Warning method according to claim 3, it is characterized in that: in described step 1 in early warning raw data base (1.4) also stored in transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, satellite cloud picture information real-time in the region of radius 60km;
In described step 2 early warning information processing enter (1.6) also by early warning raw data base (1.4) obtain transmission line construction engineering completely scope and with transmission line construction engineering completely scope for the center of circle, satellite cloud picture information real-time in the region of radius 60km, when maximum value appears in the local standard deviation of the cloud cluster in satellite cloud picture information, and there is minimal value in the infrared division gray scale difference in satellite cloud picture information, and this minimal value≤0, simultaneously, when meteorological department has issued Thunderstorm Weather forecast information, described early warning information processing enter (1.6) generates thunderstorm forecast information,
In described step 3, the thunderstorm forecast information generated is sent to Lightning Warning information release terminal (1.3) by Lightning Warning information promulgating platform (1.2) by early warning information processing enter (1.6), thunderstorm forecast information broadcasts by Lightning Warning information release terminal (1.3), reminds workmen.
5. Lightning Warning method according to claim 4, is characterized in that: set early warning region-of-interest in described step 2 and with early warning region-of-interest as the center of circle, the radius region be less than in 10 scopes is the 4th viewing area;
When the atmospheric electric field information in early warning region-of-interest is increased to 8kV/m, and had thunder and lighting process to occur in 2 hours in the past in thunder and lightning positioning information display the 4th viewing area, and during the trend of the position oriented early warning region-of-interest movement that thunder and lighting process occurs, then early warning information processing enter (1.6) generates sound and light alarm signal;
In described step 3, the sound and light alarm signal generated is sent to Lightning Warning information release terminal (1.3) by Lightning Warning information promulgating platform (1.2) by early warning information processing enter (1.6), and Lightning Warning information release terminal (1.3) carries out sound and light alarm prompting to site operation personnel.
6. Lightning Warning method according to claim 5, is characterized in that: described yellow early warning information or orange early warning information or red early warning information or thunderstorm forecast information send to the mobile phone (1.12) in Lightning Warning information release terminal (1.3) by the cellphone information release module (1.9) in Lightning Warning information promulgating platform (1.2).
7. Lightning Warning method according to claim 6, is characterized in that: described yellow early warning information or orange early warning information or red early warning information or thunderstorm forecast information send to the computer (1.11) in Lightning Warning information release terminal (1.3) by the WEB information issuing module (1.7) in Lightning Warning information promulgating platform (1.2).
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| CN105044475A (en) * | 2015-08-04 | 2015-11-11 | 国网江西省电力科学研究院 | Power transmission line corridor lightning monitoring and early warning system |
| CN106019287B (en) * | 2016-07-29 | 2018-07-10 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of power transmission line lightning shielding monitoring and pre-alarming method based on miniradar |
| CN106353604B (en) * | 2016-08-31 | 2019-06-07 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of Lightning Warning method based on atmospheric electric field ambient noise automatic tracing |
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| CN106353605A (en) * | 2016-11-02 | 2017-01-25 | 安徽锦坤电子科技有限公司 | Pre-warning system used for lightening |
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| CN110618474B (en) * | 2019-10-24 | 2021-08-03 | 广东省气象公共安全技术支持中心 | Lightning monitoring and early warning method and system based on multi-source data |
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