CN111598394A - Method and system for monitoring forest fire hidden danger of power transmission line - Google Patents
Method and system for monitoring forest fire hidden danger of power transmission line Download PDFInfo
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- CN111598394A CN111598394A CN202010298621.8A CN202010298621A CN111598394A CN 111598394 A CN111598394 A CN 111598394A CN 202010298621 A CN202010298621 A CN 202010298621A CN 111598394 A CN111598394 A CN 111598394A
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Abstract
The invention discloses a method for monitoring forest fire hidden dangers of a power transmission line, which comprises the following steps: acquiring data for monitoring the hidden danger of the forest fire of the power transmission line; obtaining the mountain fire risk distribution grade through calculation according to the data; drawing a report, a statistical chart, a curve or a mountain fire risk distribution map based on the volcano risk distribution grade; the system comprises: a data acquisition module; a grade calculation module; and a chart drawing module. In the implementation of the invention, the forest fire occurrence information is effectively collected and the distribution map is drawn, so that the normal operation of the power transmission line is ensured, and the operation safety of the whole power grid is ensured.
Description
Technical Field
The invention relates to the technical field of power transmission line monitoring, in particular to a method and a system for monitoring forest fire hidden dangers of a power transmission line.
Background
Because the transmission line is exposed in the natural environment for a long time, the transmission line is often damaged by rain, lightning, snow and the like, and the transmission line is seriously corroded. In addition, the transmission line is damaged by people, and the damage is not favorable for the normal operation of the transmission line. Because the coverage of the transmission line is wide and the transmission line is exposed in the field, the transmission line inevitably suffers damage to the transmission line from the outside, including lightning stroke, mountain fire and the like, so that the high-voltage line breaks down, and the operation safety of the whole power grid is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a method and a system for monitoring hidden danger of forest fire of a power transmission line, which can effectively collect forest fire occurrence information and draw a distribution diagram, so that the normal operation of the power transmission line is ensured, and the operation safety of the whole power grid is ensured.
In order to solve the technical problem, an embodiment of the present invention provides a method for monitoring a hidden forest fire hazard of a power transmission line, where the method includes:
acquiring data for monitoring the hidden danger of the forest fire of the power transmission line;
obtaining the mountain fire risk distribution grade through calculation according to the data;
and drawing a report, a statistical chart, a curve or a mountain fire risk distribution map based on the volcanic risk distribution grade.
In an optional embodiment, the acquiring data for monitoring the hidden danger of the forest fire of the power transmission line includes:
acquiring fire point and hot spot data of the artificial satellite on a power transmission line corridor path area;
acquiring data information of mountain fire happening in a power transmission line corridor and causing line tripping in the past year;
acquiring forest fire danger grades issued by a meteorological department;
satellite data of the power transmission line corridor which is subjected to mountain fire but not tripped all the year round is obtained.
In an optional embodiment, the acquiring of the fire point and hot spot data of the artificial satellite on the power transmission line corridor pathway area includes:
acquiring fire point and hot spot data of a sunflower satellite on a power transmission line corridor path area;
and acquiring fire point and hot spot data of the wind cloud No. 4 satellite on the power transmission line corridor path area.
In an optional embodiment, the power transmission line corridor is a line corridor which is located at a frequent mountain fire occurrence.
In an optional embodiment, the specific calculation formula in the mountain fire risk distribution grade obtained by calculation is as follows:
P＝Fst*W1+Fzb*W2+Fhx*W3+Fwx*W4+Fgz*W5；
wherein P represents the mountain fire risk distribution grade, FstFor mountain fire trip distribution in the circuit over the years, FzbIs the vegetation index, FhxFor forest fire grades, FwxFor satellite data, FgzFor transmission line fire occurrence data over the years, W1Is a first weight, W2Is a second weight, W3Is a third weight, W4Is a fourth weight, W5Is the fifth weight.
In an alternative embodiment, the mountain fire risk profile comprises a mountain fire occurrence profile grade; wherein, the mountain fire occurrence distribution grade is divided into 4 grades, including a less grade, a middle grade, a more grade and a severe grade.
In addition, the embodiment of the invention also provides a system for monitoring the hidden danger of the forest fire of the power transmission line, which comprises the following steps:
a data acquisition module: the method comprises the steps of acquiring data for monitoring forest fire hidden dangers of the power transmission line;
a grade calculation module: the mountain fire risk distribution grade is obtained through calculation according to the data;
a chart drawing module: and the volcanic risk distribution level is used for drawing a report form, a statistical chart, a curve or a mountain fire risk distribution map based on the volcanic risk distribution level.
In an optional embodiment, the data obtaining module further includes: the method comprises the steps of acquiring fire point and hot spot data of a satellite on a power transmission line corridor path area; acquiring data information of mountain fire happening in a power transmission line corridor and causing line tripping in the past year; acquiring forest fire danger grades issued by a meteorological department; satellite data of the power transmission line corridor which is subjected to mountain fire but not tripped all the year round is obtained.
In an optional embodiment, the data obtaining module further includes: the method is used for acquiring fire point and hot spot data of the sunflower satellite on the power transmission line corridor path area; and acquiring fire point and hot spot data of the wind cloud No. 4 satellite on the power transmission line corridor path area.
In the implementation of the invention, the information of the occurrence of the mountain fire is effectively collected, wherein the information comprises the data of the fire point and the hot spot of the artificial satellite on the transmission line corridor path area, the data information of the mountain fire occurring in the transmission line corridor and causing the line trip in the past year, the forest fire danger level issued by the meteorological department, and the satellite data of the transmission line corridor in the past year in which the mountain fire occurs but the trip does not occur; and drawing a distribution diagram according to the information to guide the design, construction and inspection of the power transmission line of the power grid, so that the normal operation of the power transmission line is ensured, and the operation safety of the whole power grid is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for monitoring forest fire hidden danger of a power transmission line in an embodiment of the invention;
fig. 2 is a schematic structural composition diagram of a power transmission line forest fire hazard monitoring system in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for monitoring a forest fire hazard of a power transmission line in an embodiment of the present invention.
As shown in fig. 1, a method for monitoring hidden forest fire of a power transmission line includes:
s11: acquiring data for monitoring the hidden danger of the forest fire of the power transmission line;
in a specific implementation process of the present invention, the acquiring data for monitoring the hidden forest fire danger of the power transmission line includes: acquiring fire point and hot spot data of the artificial satellite on a power transmission line corridor path area; acquiring data information of mountain fire happening in a power transmission line corridor and causing line tripping in the past year; acquiring forest fire danger grades issued by a meteorological department; satellite data of the power transmission line corridor which is subjected to mountain fire but not tripped all the year round is obtained.
Specifically, the method comprises the following steps: the acquiring of the fire point and hot spot data of the artificial satellite on the transmission line corridor path area comprises the following steps: acquiring fire point and hot spot data of a sunflower satellite on a power transmission line corridor path area; and acquiring fire point and hot spot data of the wind cloud No. 4 satellite on the power transmission line corridor path area.
Specifically, the transmission line corridor is a line corridor which is located at a mountain fire and is relatively frequent.
S12: obtaining the mountain fire risk distribution grade through calculation according to the data;
in the specific implementation process of the invention, the specific calculation formula in the mountain fire risk distribution grade obtained by calculation is as follows:
P＝Fst*W1+Fzb*W2+Fhx*W3+Fwx*W4+Fgz*W5；
wherein P represents the mountain fire risk distribution grade, FstFor mountain fire trip distribution in the circuit over the years, FzbIs the vegetation index, FhxFor forest fire grades, FwxFor satellite data, FgzFor transmission line fire occurrence data over the years, W1Is a first weight, W2In order to be the second weight, the weight is,W3is a third weight, W4Is a fourth weight, W5Is the fifth weight.
In addition, Fwx: when no satellite monitoring hot spot exists within 5km of nearly all around, Fwx0; when there is no satellite monitoring hotspot around 2km, Fwx0.3; when there is no satellite monitoring hot spot for 1km around, Fwx0.6; when there is no satellite monitoring hot spot for 0.5km around, Fwx1 is ═ 1; weight W1Taking 0.2;
Fzb: is a vegetation index value; weight W2Taking 0.2;
Fhx: taking 0 when the mountain forest fire risk level is lower, taking 0.3 when the mountain forest fire risk level is medium, taking 0.6 when the mountain forest fire risk level is higher, taking 1 when the mountain forest fire risk level is highest, and not falling into 0; weight W3Taking 0.2;
Fst: for the trip data of the fire data in the historic year, when the trip data of the fire data in the historic year is within 5km around, Fst0; when the fire data trip data of the mountain fire of 2km all around does not exist, Fst0.3; when the fire data trip data of the calendar year is not available for 1km around, Fst0.6; when the fire data trip data of the calendar year is not available at 0.5km all around, Fst＝1；W4Taking 0.1;
Fgz: generating data for the fire of the power transmission line in the past year; when the fire occurs in the calendar year of 5km around the four weeks, Fgz0; when 2km around has no historical fire occurrence data, Fgz0.3; when the fire occurrence data of the calendar year is not available for 1km around, Fgz0.6; when 0.5km around has no calendar year mountain fire occurrence data, Fgz＝1；W5Take 0.3.
S13: and drawing a report, a statistical chart, a curve or a mountain fire risk distribution map based on the volcanic risk distribution grade.
In the specific implementation process of the invention, based on the volcanic risk distribution level, the terminal server draws a report, a statistical chart, a curve or a mountain fire risk distribution map, and provides the report, the statistical chart, the curve or the mountain fire risk distribution map to the user through printing and display modes, thereby finally achieving the purpose of providing reference for the user.
In the specific implementation process of the invention, the mountain fire risk distribution map comprises mountain fire occurrence distribution levels; wherein, the mountain fire occurrence distribution grade is divided into 4 grades, including a less grade, a middle grade, a more grade and a severe grade.
Specifically, the number of stages is as follows: showing that no satellite monitoring hot spot exists within 5km around; in the range of 5km around the line corridor, no power transmission line forest fire tripping fault or forest fire event occurs; the mountain forest fire danger level given by the meteorological department is lower; medium grade: showing that no satellite monitoring hot spot exists within 2km around, and no power transmission line forest fire trip fault or forest fire event occurs within 2km around the monitoring point, and the forest fire risk grade given by a meteorological department is medium; and (3) more stages: showing that no satellite monitoring hot spot exists within 1km around, and within 1km around the monitoring point, no power transmission line forest fire trip fault or forest fire event occurs, and the forest fire risk level given by the meteorological department is higher; and (3) critical grade: and (3) showing that no satellite monitoring hot spot exists within 0.5km around, and in the range of 0.5km around the monitoring point, no mountain fire trip fault or mountain fire event of the power transmission line occurs, so that the mountain forest fire risk grade given by the meteorological department is highest.
In specific implementation, the terminal server has the functions of receiving mountain fire occurrence data, calculating and processing mountain fire occurrence data, accessing a service by a client and the like; the wireless transmission network adopted by the invention is a public network transmission network provided by common mobile operators, such as mobile, telecommunication and Unicom; the terminal server can draw a distribution map of the occurrence of the mountain fire of the region according to the occurrence of the mountain fire by the monitoring terminal on the basis of the existing GIS (geographic information system, including coordinates of a tower of the power transmission line and the geographic environment of the region); according to the main elements causing the risk of the forest fire, such as satellite monitoring hotspot data, vegetation and the like, the data of introducing surface vegetation and forest hidden danger of a line channel by the drawing method of the forest fire occurrence distribution map are specifically as follows:
1. the power transmission line forest fire fault risk map is provided by a power transmission line operation and maintenance management unit according to daily operation and maintenance conditions. The power transmission line is divided into a 1-level management and control level, a 2-level management and control level and a 3-level management and control level (the power transmission line management and control level is determined by a power dispatching department), the patrol periods are respectively 15 days, 30 days and 60 days, and the mountain fire fault risk map of the power transmission line is updated according to the patrol finding condition. If the power transmission line trips due to the mountain fire, the power transmission line is recorded as mountain fire fault tripping, the tripping condition is provided by a dispatching department, and the tripping reason is determined according to the tripping inspection condition;
2. the environmental conditions around the transmission tower are satellite data information (including vegetation coverage conditions, lake, river, marsh, paddy field, village and town distribution conditions) provided for payment by the national soil mapping department every year. Meanwhile, forest hidden danger data of a line channel are introduced.
In the implementation of the invention, the information of the occurrence of the mountain fire is effectively collected, wherein the information comprises the data of the fire point and the hot spot of the artificial satellite on the transmission line corridor path area, the data information of the mountain fire occurring in the transmission line corridor and causing the line trip in the past year, the forest fire danger level issued by the meteorological department, and the satellite data of the transmission line corridor in the past year in which the mountain fire occurs but the trip does not occur; and drawing a distribution diagram according to the information to guide the design, construction and inspection of the power transmission line of the power grid, so that the normal operation of the power transmission line is ensured, and the operation safety of the whole power grid is ensured.
Example two
Referring to fig. 2, fig. 2 is a schematic structural composition diagram of a power transmission line forest fire hazard monitoring system in an embodiment of the present invention.
As shown in fig. 2, a system for monitoring hidden forest fire danger of a power transmission line includes:
the data acquisition module 11: the method comprises the steps of acquiring data for monitoring forest fire hidden dangers of the power transmission line;
in a specific implementation process of the present invention, the data obtaining module further includes: the method comprises the steps of acquiring fire point and hot spot data of a satellite on a power transmission line corridor path area; acquiring data information of mountain fire happening in a power transmission line corridor and causing line tripping in the past year; acquiring forest fire danger grades issued by a meteorological department; satellite data of the power transmission line corridor which is subjected to mountain fire but not tripped all the year round is obtained.
In a specific implementation process of the present invention, the data obtaining module further includes: the method is used for acquiring fire point and hot spot data of the sunflower satellite on the power transmission line corridor path area; and acquiring fire point and hot spot data of the wind cloud No. 4 satellite on the power transmission line corridor path area.
The rank calculation module 12: the mountain fire risk distribution grade is obtained through calculation according to the data;
a chart drawing module 13: and the volcanic risk distribution level is used for drawing a report form, a statistical chart, a curve or a mountain fire risk distribution map based on the volcanic risk distribution level.
Specifically, the working principle of the system related function module according to the embodiment of the present invention may refer to the related description of the method embodiment, and is not described herein again.
In the implementation of the invention, the information of the occurrence of the mountain fire is effectively collected, wherein the information comprises the data of the fire point and the hot spot of the artificial satellite on the transmission line corridor path area, the data information of the mountain fire occurring in the transmission line corridor and causing the line trip in the past year, the forest fire danger level issued by the meteorological department, and the satellite data of the transmission line corridor in the past year in which the mountain fire occurs but the trip does not occur; and drawing a distribution diagram according to the information to guide the design, construction and inspection of the power transmission line of the power grid, so that the normal operation of the power transmission line is ensured, and the operation safety of the whole power grid is ensured.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic or optical disk, or the like.
In addition, the method and the system for monitoring the hidden danger of the forest fire of the power transmission line provided by the embodiment of the invention are introduced in detail, a specific embodiment is adopted to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A method for monitoring hidden forest fire hazards of a power transmission line is characterized by comprising the following steps:
acquiring data for monitoring the hidden danger of the forest fire of the power transmission line;
obtaining the mountain fire risk distribution grade through calculation according to the data;
and drawing a report, a statistical chart, a curve or a mountain fire risk distribution map based on the volcanic risk distribution grade.
2. The method for monitoring the hidden danger of the forest fire of the power transmission line according to claim 1, wherein the step of acquiring the data for monitoring the hidden danger of the forest fire of the power transmission line comprises the following steps:
acquiring fire point and hot spot data of the artificial satellite on a power transmission line corridor path area;
acquiring data information of mountain fire happening in a power transmission line corridor and causing line tripping in the past year;
acquiring forest fire danger grades issued by a meteorological department;
satellite data of the power transmission line corridor which is subjected to mountain fire but not tripped all the year round is obtained.
3. The method for monitoring the hidden danger of the mountain fire of the power transmission line according to claim 2, wherein the step of acquiring the fire point and the hot point data of the artificial satellite on the corridor passage area of the power transmission line comprises the following steps:
acquiring fire point and hot spot data of a sunflower satellite on a power transmission line corridor path area;
and acquiring fire point and hot spot data of the wind cloud No. 4 satellite on the power transmission line corridor path area.
4. The method for monitoring the hidden danger of the forest fire of the power transmission line according to claim 2, wherein the power transmission line corridor is a line corridor which is located at a place where the forest fire occurs frequently.
5. The method for monitoring the hidden danger of the forest fire of the power transmission line according to claim 1, wherein a specific calculation formula in the forest fire risk distribution grade obtained through calculation is as follows:
P＝Fst*W1+Fzb*W2+Fhx*W3+Fwx*W4+Fgz*W5；
wherein P represents the mountain fire risk distribution grade, FstFor mountain fire trip distribution in the circuit over the years, FzbIs the vegetation index, FhxFor forest fire grades, FwxFor satellite data, FgzFor transmission line fire occurrence data over the years, W1Is a first weight, W2Is a second weight, W3Is a third weight, W4Is a fourth weight, W5Is the fifth weight.
6. The method for monitoring the hidden danger of the forest fire of the power transmission line according to claim 1, wherein the mountain fire risk distribution map comprises mountain fire occurrence distribution levels; wherein, the mountain fire occurrence distribution grade is divided into 4 grades, including a less grade, a middle grade, a more grade and a severe grade.
7. The utility model provides a system for transmission line mountain fire hidden danger monitoring which characterized in that, the system includes:
a data acquisition module: the method comprises the steps of acquiring data for monitoring forest fire hidden dangers of the power transmission line;
a grade calculation module: the mountain fire risk distribution grade is obtained through calculation according to the data;
a chart drawing module: and the volcanic risk distribution level is used for drawing a report form, a statistical chart, a curve or a mountain fire risk distribution map based on the volcanic risk distribution level.
8. The system for monitoring hidden danger of forest fire in power transmission line according to claim 7, wherein the data acquisition module further comprises: the method comprises the steps of acquiring fire point and hot spot data of a satellite on a power transmission line corridor path area; acquiring data information of mountain fire happening in a power transmission line corridor and causing line tripping in the past year; acquiring forest fire danger grades issued by a meteorological department; satellite data of the power transmission line corridor which is subjected to mountain fire but not tripped all the year round is obtained.
9. The system for monitoring hidden danger of forest fire in power transmission line according to claim 7, wherein the data acquisition module further comprises: the method is used for acquiring fire point and hot spot data of the sunflower satellite on the power transmission line corridor path area; and acquiring fire point and hot spot data of the wind cloud No. 4 satellite on the power transmission line corridor path area.
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Application publication date: 20200828 |