CN111583586A - Lightning monitoring and early warning method and device - Google Patents
Lightning monitoring and early warning method and device Download PDFInfo
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Abstract
The invention relates to a lightning monitoring and early warning method and a device, wherein the method comprises the following steps: acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data; monitoring lightning of the service object according to the data of the lightning positioning system; and carrying out thunder early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data. The method and the device can detect the distance between the occurrence position of the ground flashback point and the service object through the lightning positioning system, and send lightning forecast information to the service object. The method also obtains the distance between the thunderstorm occurrence position and the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data, and sends thunder early warning information to the service object. By the method, the occurrence of lightning in the given area can be accurately detected, and the service object is prompted to take effective treatment measures before the thunderstorm is close to, so that the loss caused by the lightning stroke is reduced.
Description
Technical Field
The invention relates to the technical field of lightning monitoring and early warning services, in particular to a lightning monitoring and early warning method and device.
Background
Lightning activity is a series of electrical discharges occurring in the atmosphere with a spatio-temporal correlation. Brings great harm to the labor production and life safety of human beings. The existing lightning protection measures are various, such as installing lightning arresters (needles and wires), reducing grounding resistance and the like, but the passive lightning protection measures cannot meet the new lightning protection requirements brought forward by human production. Therefore, it is necessary to develop a new active lightning protection concept based on lightning early warning, and to take effective treatment measures before the thunderstorm approaches, so as to reduce the loss caused by lightning stroke.
In explosion and fire hazard locations, i.e., locations for the production, processing, storage, and transportation of explosives, compressed gases, liquefied gases, flammable liquids, and flammable solids, among other substances. How to put forward a thunder and lightning monitoring early warning method, give accurate early warning suggestion before the thunder and lightning is about to come to in time take measures to ensure that flammable and explosive material does not suffer from the attack of thunder and lightning activity, become the problem that awaits a solution urgently.
Disclosure of Invention
The embodiment of the invention provides a lightning monitoring and early warning method and device, which are used for accurately detecting the occurrence of lightning in a given area and prompting a service object to take effective treatment measures before a thunderstorm is approached so as to reduce the loss caused by lightning stroke.
The technical scheme for solving the technical problems is as follows:
in a first aspect, an embodiment of the present invention provides a lightning monitoring and early warning method, including:
acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data;
dividing lightning risks into a plurality of lightning forecast grades according to the data of the lightning positioning system, and sending corresponding lightning forecast information to a service object through a Zigbee gateway;
and carrying out thunder early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
Further, the lightning location system data includes a number of ground flashback strikes, a ground flashback longitude and latitude, a ground flashback current intensity, and a ground flashback time for a given area.
Further, the dividing of the lightning risk into a plurality of lightning prediction levels according to the data of the lightning location system and the sending of corresponding lightning prediction information to the service object through the Zigbee gateway include:
if the lightning occurrence is monitored within the preset radius range of the service object according to the data of the lightning positioning system, dividing the lightning risk into three lightning prediction levels according to the distance between the occurrence position of the ground flashback point and the service object, and sending corresponding lightning prediction information to the service object through a Zigbee gateway;
and if the lightning is not monitored within the preset radius range of the service object within the preset time period, stopping the lightning forecasting.
Further, according to the distance between the occurrence position of the ground flashback point and the service object, the lightning risk is divided into three lightning forecast levels, and corresponding lightning forecast information is sent to the service object through the Zigbee gateway, and the method comprises the following steps:
if the position of the ground flashback point is 5-10 km away from the service object, judging that three-level forecast is carried out, and sending three-level thunder forecast information to the service object through the Zigbee gateway to prompt the service object to continuously pay attention to thunder activities, wherein the possibility of causing a lightning accident exists at the moment;
if the position of the ground flashback point is 3-5 km away from the service object, judging that the ground flashback point is secondary forecast, and sending secondary thunder forecast information to the service object through the Zigbee gateway to prompt the service object to continuously pay attention to thunder activities and make an emergency plan related to lightning stroke disposal;
if the position of the ground flashback point is within 3km from the service object, the ground flashback point is judged to be primary forecast, and primary thunder forecast information is sent to the service object through the Zigbee gateway at the moment so as to prompt workers of the service object to stop outdoor operation and activities and take protective measures such as isolation and the like to prevent important equipment from being struck by lightning.
Further, according to atmospheric power plant appearance data, Doppler weather radar data and sounding data, right the service object carries out thunder and lightning early warning, include:
carrying out thunder early warning on a service object according to the atmospheric power plant instrument data and the Doppler weather radar data; or,
and performing lightning early warning on the service object through the Zigbee gateway according to the Doppler weather radar data and the sounding data.
Further, according to atmospheric power plant appearance data and Doppler weather radar data, to the service object carries out thunder and lightning early warning, include:
if the continuous times that the atmospheric electric field intensity is larger than or equal to E and detected by the atmospheric electric field instrument are larger than a preset time threshold value and the radar echo intensity measured by the Doppler weather radar is larger than or equal to CR in the early warning area, judging that a thunderstorm occurs in the early warning area; wherein E represents the atmospheric electric field intensity parameter in the early warning area, and the unit is kV/m; CR represents a radar echo intensity parameter in the early warning area, and the unit is dBZ;
and dividing lightning risks possibly caused by the thunderstorm into three levels according to the distance between the thunderstorm occurrence position and the service object, and sending corresponding lightning early warning information to the service object through the Zigbee gateway.
Further, according to Doppler weather radar data and sounding data, carrying out thunder and lightning early warning on the service object, specifically comprising:
if in the early warning area, the radar echo top height of the convection cloud is not less than ET, the vertical liquid water content is not less than VIL and the radar echo height not less than CR is higher than a temperature stratification at minus 10 ℃, judging that a thunderstorm occurs in the early warning area; the ET represents a radar echo height parameter of convection cloud in an early warning area, and the unit is km; VIL represents a vertical liquid water content parameter in the early warning area, and the unit is kg/m;
and dividing lightning risks possibly caused by the thunderstorm into three lightning early warning levels according to the distance between the thunderstorm occurrence position and the service object, and sending corresponding lightning early warning information to the service object.
Further, according to the distance between the thunderstorm occurrence position and the service object, dividing the thunder and lightning risk possibly caused by the thunderstorm into three thunder and lightning early warning levels, and sending corresponding thunder and lightning early warning information to the service object through the Zigbee gateway, the method specifically comprises the following steps:
if the thunderstorm occurring position is 5-10 km away from the service object, judging that three-level early warning is carried out, and at the moment, sending three-level thunder and lightning forecast information to the service object through the Zigbee gateway to prompt that thunder and lightning activities are likely to occur in the service object within 1h and thunder and lightning disaster accidents are likely to be caused;
if the thunderstorm occurrence position is 3-5 km away from the service object, secondary early warning is judged, and secondary thunder forecast information is sent to the service object through the Zigbee gateway to prompt that the probability of thunder activity occurring in the service object within 30min is very high, or the thunder activity is influenced and possibly continuous, and the probability of thunder disaster accidents is high;
if the thunderstorm occurrence position is within 3km from the service object, the first-level forecast is judged, and at the moment, first-level thunder forecast information is sent to the service object through the Zigbee gateway to prompt that the probability of thunder activity occurring in the service object within 10min is very high, or strong thunder activity occurs and is possibly continuous, and the probability of thunder disaster accidents is very high.
In a second aspect, the present invention provides a lightning monitoring and early warning device, including:
the data acquisition module is used for acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data;
the lightning monitoring module is used for dividing lightning risks into a plurality of lightning prediction levels according to the data of the lightning positioning system and sending corresponding lightning prediction information to the service object through the Zigbee gateway;
and the thunder and lightning early warning module is used for carrying out thunder and lightning early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
In a third aspect, the invention provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method as provided in the first aspect.
According to the lightning monitoring and early warning method and device, the distance between the ground flashback point occurrence position and the service object can be detected through the lightning positioning system, and the lightning forecast information is sent to the service object. The method also obtains the distance between the thunderstorm occurrence position and the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data, and sends thunder early warning information to the service object. By the method, the occurrence of lightning in the given area can be accurately detected, and the service object is prompted to take effective treatment measures before the thunderstorm is close to, so that the loss caused by the lightning stroke is reduced.
Drawings
FIG. 1 is a schematic flow chart of a lightning monitoring and warning method according to an embodiment of the present invention;
FIG. 2 is a flow chart of lightning monitoring provided by an embodiment of the invention;
FIG. 3 is a flow chart of a lightning early warning provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a lightning monitoring and warning device according to an embodiment of the present invention;
fig. 5 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Lightning activity is a series of electrical discharges occurring in the atmosphere with a spatio-temporal correlation. Brings great harm to the labor production and life safety of human beings. The existing lightning protection measures are various, such as installing lightning arresters (needles and wires), reducing grounding resistance and the like, but the passive lightning protection measures cannot meet the new lightning protection requirements brought forward by human production.
Therefore, the embodiment of the invention provides a lightning monitoring and early warning method, which can detect the distance between the position of the ground flashback point and the service object through a lightning positioning system, and send lightning forecast information to the service object. The method also obtains the distance between the thunderstorm occurrence position and the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data, and sends thunder early warning information to the service object. By the method, the occurrence of lightning in the given area can be accurately detected, and the service object is prompted to take effective treatment measures before the thunderstorm is close to, so that the loss caused by the lightning stroke is reduced. The problem of lightning disaster protection is solved. The following description and description will proceed with reference being made to various embodiments.
Fig. 1 is a schematic flow chart of a lightning monitoring and early warning method provided in an embodiment of the present invention, and as shown in fig. 1, the method includes:
and S1, acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data.
Specifically, a Lightning Location System (LLS), also called a Lightning Location System, is a detection network composed of a plurality of Lightning sensors and used for monitoring and locating Lightning events in a coverage area of the detection network, and can display various Lightning parameters such as the occurrence time, the position and the number of Lightning strikes in real time. In this embodiment, the lightning location system data includes the number of ground flashback events, the latitude and longitude of the ground flashback event, the current intensity of the ground flashback event, and the time of the ground flashback event for a given area.
The atmosphere electric field instrument is a device capable of measuring the atmosphere electric field and the change thereof, and measures the electric field by utilizing the principle that a conductor generates induced charges in the electric field. In this embodiment, the atmospheric power plant data is parameters such as an atmospheric electric field strength value detected by using an atmospheric electric field instrument. The specific requirements of the embodiment for the data of the atmospheric electric field instrument are as follows: the data supply period is 1 s; the effective detection radius is not less than 10km, and the acquired data is preferably corrected when the atmospheric electric field instrument is in networking observation.
The Doppler weather radar is an active remote sensing detection tool, has important application in measuring cloud, rainfall and various internal factors of strong convection weather occurrence and development, has a working principle that the Doppler effect is taken as a basis, can measure the speed of a scattering body relative to the radar, and can reflect the distribution of atmospheric wind field and airflow vertical speed, turbulence condition and the like under a certain condition. In this embodiment, the doppler weather radar data is parameters such as a height change of a reflectivity factor of 40dBZ, a height of an echo peak, and a vertical liquid water content, which are inverted by using detection data of the doppler weather radar. The specific requirements of the embodiment for the doppler weather radar data are as follows: the time resolution is 6min, and the space resolution is 1km multiplied by 1 km. Doppler weather radar data used for lightning early warning is subjected to ground clutter suppression, distance unfolding and speed deblurring.
The sounding data comprises parameters such as 0 ℃ layer height and-10 ℃ layer height. The specific requirements of the embodiment for sounding data include: the temporal resolution is 12h and the spatial resolution is 200km × 200 km.
And S2, dividing the lightning risk into a plurality of lightning forecast levels according to the data of the lightning positioning system, and sending corresponding lightning forecast information to the service object through the Zigbee gateway.
Specifically, the thunder and lightning activity parameters in a given area are obtained by utilizing the data of the thunder and lightning positioning system, and then the thunder and lightning monitoring is carried out on a service object. In this embodiment, the service object may be an explosion and fire hazard location.
And S3, performing lightning early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
Specifically, the embodiment provides two lightning early warning methods, and the first lightning early warning method is to perform lightning early warning on a service object according to atmospheric power plant instrument data and doppler weather radar data.
The second lightning early warning method is to perform lightning early warning on a service object according to Doppler weather radar data and sounding data.
On the basis of the above embodiment, in S2, performing lightning monitoring on the service object according to the lightning location system data includes:
and S21, if the lightning is monitored within the preset radius range of the service object according to the data of the lightning positioning system, dividing the lightning risk into three lightning forecasting grades according to the distance between the occurrence position of the ground flashback point and the service object, and sending corresponding lightning forecasting information to the service object through the Zigbee gateway.
Here, the preset radius range is preferably a 10km half-value range.
And S22, if the lightning is not monitored within the preset radius range of the service object within the preset time period, stopping the lightning forecasting.
Fig. 2 is a lightning monitoring flow chart provided in the embodiment of the present invention, and referring to fig. 2, the lightning monitoring flow provided in the embodiment is as follows:
firstly, acquiring lightning positioning system data from a meteorological department data sharing server. The lightning system data should be subjected to data quality control before use.
And then, if the lightning occurrence is monitored within the preset radius range of the service object according to the data of the lightning positioning system, dividing the lightning risk possibly caused by ground flashover into three lightning forecasting grades according to the distance between the occurrence position of the ground flashover point and the service object, and sending lightning forecasting information. The embodiment sets three distance ranges between the occurrence position of the ground flashback point and the service object, and divides the possible lightning hazard caused by the ground flashback into three lightning forecast levels.
And if the position of the ground flashback point is 5-10 km away from the service object, judging that the ground flashback point is three-level forecast, and sending three-level thunder forecast information to the service object through the Zigbee gateway to prompt the service object to continuously pay attention to thunder activities.
And if the position of the ground flashback point is 3-5 km away from the service object, judging that the ground flashback point is secondary forecast, and sending secondary thunder forecast information to the service object through the Zigbee gateway to prompt the service object to continuously pay attention to thunder activities and make an emergency plan related to lightning stroke disposal.
If the position of the ground flashback point is within 3km from the service object, the ground flashback point is judged to be primary forecast, and primary thunder forecast information is sent to the service object through the Zigbee gateway at the moment so as to prompt workers of the service object to stop outdoor operation and activities and take protective measures such as isolation and the like to prevent important equipment from being struck by lightning.
It can be understood that, in the embodiment, the service object is used as a circle center, and the radius is respectively 10km, 5km and 3km from far to near, so as to monitor and early warn the occurrence, development and extinction of lightning activities.
According to the embodiment, the occurrence of lightning in a given area and the distance between the occurrence position of the ground flashback point and the service object can be accurately detected through the data of the lightning positioning system, and the lightning forecast information is sent to the service object through the Zigbee gateway to prompt the service object to take effective treatment measures before the thunderstorm is close to, so that the loss caused by the lightning stroke is reduced.
Fig. 3 is a lightning early warning flow chart provided in the embodiment of the present invention, and referring to fig. 3, the lightning monitoring flow provided in the embodiment is as follows:
firstly, acquiring atmospheric power plant instrument data, Doppler weather radar data and sounding data from a meteorological department data sharing server. Atmospheric power plant data, Doppler weather radar data and sounding data are subjected to data quality control before use.
And then, if the thunderstorm occurring in the early warning area is judged and known according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data, dividing the thunder risk possibly caused by the thunderstorm into three levels according to the distance between the thunderstorm occurring position and the service object, and sending corresponding thunder early warning information to the service object through the Zigbee gateway. The process specifically comprises the following steps:
if the thunderstorm occurrence position is 5-10 km away from the service object, judging that three-level early warning is carried out, and sending three-level thunder and lightning forecast information to the service object through a Zigbee gateway at the moment to prompt that thunder and lightning activities possibly occur in the service object within 1h and thunder and lightning disaster accidents possibly occur;
if the thunderstorm occurrence position is 3-5 km away from the service object, secondary early warning is judged, and secondary thunder forecast information is sent to the service object through the Zigbee gateway to prompt that the probability of thunder activity occurring in the service object within 30min is very high, or the thunder activity is influenced and possibly continuous, and the probability of thunder disaster accidents is high;
if the thunderstorm occurrence position is within 3km from the service object, the first-level forecast is judged, and at the moment, first-level thunder forecast information is sent to the service object through the Zigbee gateway to prompt that the probability of thunder activity occurring in the service object within 10min is very high, or strong thunder activity occurs and is possibly continuous, and the probability of thunder disaster accidents is very high.
On the basis of the foregoing embodiments, in the first lightning early warning method provided in the foregoing embodiments, according to atmospheric power plant instrument data and doppler weather radar data, performing lightning early warning on the service object includes:
if the continuous times that the atmospheric electric field intensity is larger than or equal to E and detected by the atmospheric electric field instrument are larger than a preset time threshold value and the radar echo intensity measured by the Doppler weather radar is larger than or equal to CR in the early warning area, judging that a thunderstorm occurs in the early warning area; wherein E represents the atmospheric electric field intensity parameter in the early warning area, and the unit is kV/m; CR represents a radar echo intensity parameter in the early warning area, and the unit is dBZ;
and dividing lightning risks possibly caused by the thunderstorm into three levels according to the distance between the thunderstorm occurrence position and the service object, and sending corresponding lightning early warning information to the service object through the Zigbee gateway.
On the basis of the foregoing embodiments, in the second lightning early warning method, according to doppler weather radar data and sounding data, lightning early warning is performed on a service object, which specifically includes:
if in the early warning area, the radar echo top height of the convection cloud is not less than ET, the vertical liquid water content is not less than VIL and the radar echo height not less than CR is higher than a temperature stratification at minus 10 ℃, judging that a thunderstorm occurs in the early warning area; the ET represents a radar echo height parameter of convection cloud in an early warning area, and the unit is km; VIL represents a vertical liquid water content parameter in the early warning area, and the unit is kg/m;
and dividing lightning risks possibly caused by the thunderstorm into three lightning early warning levels according to the distance between the thunderstorm occurrence position and the service object, and sending corresponding lightning early warning information to the service object through the Zigbee gateway.
The values of the parameters (E, CR, ET and VIL) are related to local geographical climate environmental conditions and seasonal factors. Therefore, the threshold value can be adjusted according to the local environment and the specific situation by combining the table 1, so that the early warning accuracy rate is improved.
TABLE 1 reference value for early warning of thunder and lightning in spring and summer in a certain province
According to the embodiment of the invention, the distance between the thunderstorm occurrence position and the service object is obtained according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data, and the thunder early warning information is sent to the service object through the Zigbee gateway. The method can accurately detect the occurrence of the lightning in the given area and prompt a service object to take effective treatment measures before the thunderstorm is close to the service object so as to reduce the loss caused by the lightning stroke.
Fig. 4 is a schematic structural diagram of a lightning monitoring and early warning device provided in an embodiment of the present invention, and the lightning monitoring and early warning device provided in the present invention includes:
the data acquisition module 401 is used for acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data;
the thunder and lightning monitoring module 402 is configured to divide the thunder and lightning risk into a plurality of thunder and lightning prediction levels according to the thunder and lightning positioning system data, and send corresponding thunder and lightning prediction information to the service object through the Zigbee gateway;
and the thunder and lightning early warning module 403 is used for carrying out thunder and lightning early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
Specifically, the functional module of the lightning monitoring and early warning device provided in the embodiment of the present invention is specifically configured to execute the steps of the lightning monitoring and early warning method in the above method embodiment, and since the lightning monitoring and early warning method has been described in detail in the above embodiment, the functional module of the lightning monitoring and early warning device is not described here in detail.
Fig. 5 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 5, the electronic device may include: a processor (processor)501, a communication Interface (Communications Interface)502, a memory (memory)503, and a communication bus 504, wherein the processor 501, the communication Interface 502, and the memory 503 are configured to communicate with each other via the communication bus 504. The processor 501 may call a computer program stored on the memory 503 and executable on the processor 501 to perform the lightning monitoring and warning method provided by the above embodiments, for example, including: acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data; monitoring lightning of the service object according to the data of the lightning positioning system; and carrying out thunder early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
An embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented by a processor to execute the lightning monitoring and warning method provided in the foregoing embodiments, for example, the method includes: acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data; monitoring lightning of the service object according to the data of the lightning positioning system; and carrying out thunder early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
In summary, the method and the device for monitoring and early warning of lightning provided by the invention can detect the distance between the position of the ground flashback point and the service object through the lightning positioning system, and send the lightning forecast information to the service object through the Zigbee gateway. The method also obtains the distance between the thunderstorm occurrence position and the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data, and sends thunder early warning information to the service object through the Zigbee gateway. By the method, the occurrence of lightning in the given area can be accurately detected, and the service object is prompted to take effective treatment measures before the thunderstorm is close to, so that the loss caused by the lightning stroke is reduced.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A lightning monitoring and early warning method is characterized by comprising the following steps:
acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data;
dividing lightning risks into a plurality of lightning forecast grades according to the data of the lightning positioning system, and sending corresponding lightning forecast information to a service object through a Zigbee gateway;
and carrying out thunder early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
2. The lightning monitoring and warning method of claim 1, wherein the lightning location system data includes ground flashback number, ground flashback latitude and longitude, ground flashback amperage, and ground flashback time for a given area.
3. The lightning monitoring and early warning method according to claim 2, wherein the step of dividing lightning risks into a plurality of lightning prediction levels according to lightning location system data and sending corresponding lightning prediction information to a service object through a Zigbee gateway includes:
if the lightning occurrence is monitored within the preset radius range of the service object according to the data of the lightning positioning system, dividing the lightning risk into three lightning prediction levels according to the distance between the occurrence position of the ground flashback point and the service object, and sending corresponding lightning prediction information to the service object through a Zigbee gateway;
and if the lightning is not monitored within the preset radius range of the service object within the preset time period, stopping the lightning forecasting.
4. The lightning monitoring and early warning method according to claim 3, wherein the lightning risk is divided into three lightning prediction levels according to the distance between the occurrence position of the ground flashback point and the service object, and corresponding lightning prediction information is sent to the service object through the Zigbee gateway, and the method comprises the following steps:
if the position of the ground flashback point is 5-10 km away from the service object, judging that three-level forecast is carried out, and sending three-level thunder forecast information to the service object through the Zigbee gateway to prompt the service object to continuously pay attention to thunder activities, wherein the possibility of causing a lightning accident exists at the moment;
if the position of the ground flashback point is 3-5 km away from the service object, judging that the ground flashback point is secondary forecast, and sending secondary thunder forecast information to the service object through the Zigbee gateway to prompt the service object to continuously pay attention to thunder activities and make an emergency plan related to lightning stroke disposal;
if the position of the ground flashback point is within 3km from the service object, the ground flashback point is judged to be primary forecast, and primary thunder forecast information is sent to the service object through the Zigbee gateway at the moment so as to prompt workers of the service object to stop outdoor operation and activities and take protective measures such as isolation and the like to prevent important equipment from being struck by lightning.
5. The lightning monitoring and early warning method according to claim 1, wherein the lightning early warning of the service object according to atmospheric power plant data, Doppler weather radar data and sounding data comprises:
carrying out thunder early warning on a service object according to the atmospheric power plant instrument data and the Doppler weather radar data; or,
and carrying out lightning early warning on the service object according to the Doppler weather radar data and the sounding data.
6. The lightning monitoring and warning method of claim 5, wherein the lightning warning of the service object according to the atmospheric power plant data and the Doppler weather radar data comprises:
if the continuous times that the atmospheric electric field intensity is larger than or equal to E and detected by the atmospheric electric field instrument are larger than a preset time threshold value and the radar echo intensity measured by the Doppler weather radar is larger than or equal to CR in the early warning area, judging that a thunderstorm occurs in the early warning area; wherein E represents the atmospheric electric field intensity parameter in the early warning area, and the unit is kV/m; CR represents a radar echo intensity parameter in the early warning area, and the unit is dBZ;
and dividing lightning risks possibly caused by the thunderstorm into three levels according to the distance between the thunderstorm occurrence position and the service object, and sending corresponding lightning early warning information to the service object through the Zigbee gateway.
7. The lightning monitoring and early warning method according to claim 6, wherein the lightning early warning is performed on the service object according to Doppler weather radar data and sounding data, and specifically comprises the following steps:
if in the early warning area, the radar echo top height of the convection cloud is not less than ET, the vertical liquid water content is not less than VIL and the radar echo height not less than CR is higher than a temperature stratification at minus 10 ℃, judging that a thunderstorm occurs in the early warning area; the ET represents a radar echo height parameter of convection cloud in an early warning area, and the unit is km; VIL represents a vertical liquid water content parameter in the early warning area, and the unit is kg/m;
and dividing lightning risks possibly caused by the thunderstorm into three lightning early warning levels according to the distance between the thunderstorm occurrence position and the service object, and sending corresponding lightning early warning information to the service object.
8. The lightning monitoring and early warning method according to claim 6 or 7, wherein lightning risks possibly caused by a thunderstorm are divided into three lightning early warning levels according to the distance between the thunderstorm occurrence location and the service object, and corresponding lightning early warning information is sent to the service object through the Zigbee gateway, specifically comprising:
if the thunderstorm occurring position is 5-10 km away from the service object, judging that three-level early warning is carried out, and at the moment, sending three-level thunder and lightning forecast information to the service object through the Zigbee gateway to prompt that thunder and lightning activities are likely to occur in the service object within 1h and thunder and lightning disaster accidents are likely to be caused;
if the thunderstorm occurrence position is 3-5 km away from the service object, secondary early warning is judged, and secondary thunder forecast information is sent to the service object through the Zigbee gateway to prompt that the probability of thunder activity occurring in the service object within 30min is very high, or the thunder activity is influenced and possibly continuous, and the probability of thunder disaster accidents is high;
if the thunderstorm occurrence position is within 3km from the service object, the first-level forecast is judged, and at the moment, first-level thunder forecast information is sent to the service object through the Zigbee gateway to prompt that the probability of thunder activity occurring in the service object within 10min is very high, or strong thunder activity occurs and is possibly continuous, and the probability of thunder disaster accidents is very high.
9. The utility model provides a thunder and lightning monitoring and early warning device which characterized in that includes:
the data acquisition module is used for acquiring lightning positioning system data, atmospheric power plant instrument data, Doppler weather radar data and sounding data;
the lightning monitoring module is used for dividing lightning risks into a plurality of lightning prediction levels according to the data of the lightning positioning system and sending corresponding lightning prediction information to the service object through the Zigbee gateway;
and the thunder and lightning early warning module is used for carrying out thunder and lightning early warning on the service object according to the atmospheric power plant instrument data, the Doppler weather radar data and the sounding data.
10. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program when executed by a processor implements the steps of the lightning monitoring and warning method according to any one of claims 1 to 8.
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