CN113533834B - Lightning early warning system and method based on lightning positioning and electric field detection technology - Google Patents
Lightning early warning system and method based on lightning positioning and electric field detection technology Download PDFInfo
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- CN113533834B CN113533834B CN202010313686.5A CN202010313686A CN113533834B CN 113533834 B CN113533834 B CN 113533834B CN 202010313686 A CN202010313686 A CN 202010313686A CN 113533834 B CN113533834 B CN 113533834B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0842—Measurements related to lightning, e.g. measuring electric disturbances, warning systems
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/12—Measuring electrostatic fields or voltage-potential
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Abstract
The invention relates to the technical field of lightning prediction and discloses a lightning early warning system and a lightning early warning method. The lightning early warning system comprises: the lightning positioning device is used for collecting lightning position data and lightning intensity data of lightning actually occurring in the target area; the electric field detection device is arranged in the target area and is used for providing a preliminary early warning level preset to be sent by the electric field detection device in the target area; and the early warning device is used for determining the comprehensive early warning level of the thunder and lightning according to the thunder and lightning position data, the thunder and lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset and sent by the electric field detection device, and sending out early warning meeting the comprehensive early warning level. According to the invention, the lightning positioning and the atmospheric electric field detection data are subjected to deep fusion to realize the advantage complementation of the two detection modes, so that the comprehensive early warning and monitoring level of lightning is improved.
Description
Technical Field
The invention relates to the technical field of lightning prediction, in particular to a lightning early warning system and a lightning early warning method.
Background
The lightning monitoring and early warning system is positioned at an important position in lightning protection and disaster reduction, and a comprehensive service platform for lightning early warning information is established, so that a powerful basis can be provided for production scheduling and safety management of enterprises, lightning accidents of the enterprises are reduced, and damage caused by lightning is reduced.
Atmospheric electric field and lightning location detection are one of the important means of lightning monitoring and early warning. The current domestic lightning positioning system mainly detects lightning characteristic information such as the space position, the occurrence time, the back-striking electromagnetic field intensity, the current amplitude and the like of lightning through the measurement of lightning electromagnetic pulse characteristics, but cannot detect the evolution process of charges in the cloud before lightning occurs, and cannot monitor the capability of cloud flash discharge occurring in the early stage of lightning cloud. The atmospheric electric field instrument can monitor the electric field change in the thundercloud generation process, can reflect the generation of thundercloud charges and the thunder discharge process, but is easily influenced by small-cluster charged cloud layers, so that the problem of high false alarm rate exists in the thunder early warning system. In addition, the existing lightning early warning system is single in product, the intuitiveness of early warning result representation is poor, specific occurrence positions of lightning cannot be obtained, and the lightning early warning result cannot be verified and calibrated. Therefore, the current lightning positioning system and the lightning early warning system still operate independently, are respectively political and limited by the limitations of the design and calculation methods of the systems, and both systems encounter development bottlenecks in application.
Disclosure of Invention
The invention aims to provide a lightning early warning system and a lightning early warning method, which are used for realizing the advantage complementation of two detection modes by deeply fusing lightning positioning and atmospheric electric field detection data, so that the comprehensive early warning and monitoring level of lightning is improved.
In order to achieve the above object, a first aspect of the present invention provides a lightning early warning system, including: the lightning positioning device is used for collecting lightning position data and lightning intensity data of lightning actually occurring in the target area; the electric field detection device is arranged in the target area and is used for providing a preliminary early warning level preset by the electric field detection device; and the early warning device is used for determining the comprehensive early warning level of the thunder and lightning according to the thunder and lightning position data, the thunder and lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset and sent by the electric field detection device, and sending out early warning meeting the comprehensive early warning level.
Preferably, the early warning device includes: the computing module is used for solving the absolute value of the difference value of the lightning position data and the position data of the electric field detection device; the comprehensive early warning level determining module is used for comparing the absolute value of the obtained difference value with a first preset range and a second preset range to obtain a first comparison result, and determining the comprehensive early warning level of the lightning according to the first comparison result, the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device, wherein any value in the first preset range is larger than any value in the second preset range; and the early warning module is used for sending out early warning conforming to the comprehensive early warning grade.
Preferably, the comprehensive early warning level determining module is configured to determine, according to a first comparison result, the lightning intensity data, and a preliminary early warning level preset by the electric field detection device, a comprehensive early warning level of lightning, where the determining includes: under the condition that the absolute value of the calculated difference value is in the first preset range, determining the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device; or under the condition that the absolute value of the calculated difference value is in the second preset range, determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset and sent by the electric field detection device.
Preferably, the comprehensive early warning level determining module is configured to determine, when the absolute value of the calculated difference value is within the second preset range, a comprehensive early warning level of lightning according to a preliminary early warning level preset to be sent by the electric field detection device, where the determining includes: under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning highest level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or under the condition that the preliminary early warning level preset to be sent by the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preliminary early warning level preset to be sent by the electric field detection device is the comprehensive early warning level of thunder and lightning.
Preferably, the comprehensive early warning level determining module is configured to determine, according to the lightning intensity data and the preliminary early warning level preset to be sent by the electric field detection device, the comprehensive early warning level of lightning includes: comparing the lightning intensity data with a preset lightning intensity value to obtain a second comparison result, and executing the following operations according to the second comparison result: under the condition that the lightning intensity data is larger than or equal to the preset lightning intensity value, determining that the preliminary early warning level preset to be sent out by the electric field detection device is the comprehensive early warning level of lightning; or under the condition that the lightning intensity data is smaller than the preset lightning intensity value, determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset by the electric field detection device.
Preferably, the comprehensive early warning level determining module is configured to determine, according to a preliminary early warning level preset by the electric field detection device and sent out when the lightning intensity data is smaller than the preset lightning intensity value, the comprehensive early warning level of lightning includes: under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning 1 st level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or under the condition that the preliminary early warning level preset to be sent by the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preliminary early warning level preset to be sent by the electric field detection device is the comprehensive early warning level of thunder and lightning.
Preferably, the second preset range is a detection range of the electric field detection device.
Preferably, the electric field detection device includes: the electric field acquisition module is used for acquiring atmospheric electric field data of the atmosphere in the target area; and the preliminary early warning determining module is used for determining the electric field grade according to the atmospheric electric field data and taking the electric field grade as a preliminary early warning grade preset and sent by the electric field detection device.
Preferably, the preliminary early warning determining module is configured to determine an electric field level according to the atmospheric electric field data, and preset the electric field level as a preliminary early warning level sent by the electric field detecting device, where the preliminary early warning determining module includes: under the condition that the atmospheric electric field data is larger than or equal to a first preset electric field value, determining the electric field grade to be the 3 rd grade, and taking the 3 rd grade as a preliminary early warning highest grade preset and sent by the electric field detection device; under the condition that the atmospheric electric field data is smaller than the first preset electric field data and larger than or equal to the second preset electric field data, determining the electric field grade as a 2 nd grade, and taking the 2 nd grade as a preliminary early warning 2 nd grade preset and sent by the electric field detection device; under the condition that the atmospheric electric field data is smaller than the second preset electric field data and larger than or equal to third preset electric field data, determining the electric field grade to be the 1 st grade, and taking the 1 st grade as the preliminary early warning 1 st grade preset by the electric field detection device; and when the atmospheric electric field data is smaller than the third preset electric field data, determining that the preliminary early warning level is the 0 th level, wherein the 0 th level indicates that the preliminary early warning module does not need to send early warning.
The second aspect of the invention provides a lightning early warning method, which comprises the following steps: collecting lightning position data and lightning intensity data of lightning actually occurring in a target area; providing a preliminary early warning level preset by an electric field detection device in the target area; and determining the comprehensive early warning level of the thunder and lightning according to the thunder and lightning position data, the thunder and lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset and sent by the electric field detection device, and sending out early warning meeting the comprehensive early warning level.
Preferably, the determining the comprehensive early warning level of lightning according to the lightning position data, the lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset to be sent by the electric field detection device includes: obtaining the absolute value of the difference value of the lightning position data and the position data of the electric field detection device; and comparing the absolute value of the obtained difference value with a first preset range and a second preset range, and determining the comprehensive early warning level of the lightning according to a first comparison result, the lightning intensity data and the preliminary early warning level preset by the electric field detection device, wherein any value in the first preset range is larger than any value in the second preset range.
Preferably, the determining the comprehensive early warning level of lightning according to the first comparison result, the lightning intensity data and the preliminary early warning level preset by the electric field detection device includes: under the condition that the absolute value of the calculated difference value is in the first preset range, determining the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device; or under the condition that the absolute value of the calculated difference value is in the second preset range, determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset and sent by the electric field detection device.
The third aspect of the present invention also provides a machine-readable storage medium having stored thereon instructions for causing a machine to perform the lightning early warning method described above.
Through the technical scheme, the comprehensive early warning level of the lightning is creatively determined according to the lightning position data and the lightning intensity data in the target area collected by the lightning positioning device, the position data of the electric field detection device and the preset initial early warning level, and the early warning meeting the comprehensive early warning level is sent out, so that the data of lightning positioning and atmospheric electric field detection are subjected to deep fusion to realize the advantage complementation of the two detection modes, and the comprehensive early warning and monitoring level of the lightning are improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a block diagram of a lightning early warning system according to an embodiment of the invention;
FIG. 2 is a block diagram of a lightning early warning system according to an embodiment of the invention;
FIG. 3 is a block diagram of a warning device according to a second embodiment of the present invention;
FIG. 4 is a block diagram of a lightning early warning system according to a third embodiment of the invention;
FIG. 5 is a block diagram of a lightning early warning system according to a third embodiment of the invention;
FIG. 6 is a flowchart of a lightning early warning process according to a fourth embodiment of the invention; and
Fig. 7 is a flowchart of a lightning early warning method according to a fifth embodiment of the invention.
Description of the reference numerals
10. Lightning detector of lightning positioning device 11
20. Electric field detector 21 atmospheric electric field instrument
30. Calculation module of early warning device 31
32. Comprehensive early warning grade determining module 33 early warning module
Detailed Description
The following describes the embodiments of the present invention in detail by way of five examples with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
Example 1
Fig. 1 is a block diagram of a lightning early warning system according to an embodiment of the invention. As shown in fig. 1, the lightning early warning system may include: the lightning positioning device 10 is used for collecting lightning position data and lightning intensity data of lightning actually occurring in the target area; an electric field detection device 20 installed in the target area for providing a preliminary pre-warning level preset by the electric field detection device; and the early warning device 30 is used for determining the comprehensive early warning level of the thunder and lightning according to the thunder and lightning position data, the thunder and lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset and sent by the electric field detection device, and sending out early warning meeting the comprehensive early warning level.
Wherein the lightning locating means 10 may comprise a plurality of lightning detectors 11 distributed according to a preset rule, as shown in fig. 2. For example, if the target area is a square area as shown in fig. 2, the lightning locating means 10 may comprise four lightning detectors 11 distributed at the vertices. The lightning detector 11 may detect parameters such as the time of occurrence, the location, the intensity, etc. of the lightning. Moreover, the technical indexes corresponding to the parameters of the lightning detector 11 may be the conditions shown in table 1.
TABLE 1 technical indicators for lightning detectors
The electric field detecting device 20 may be an atmospheric electric field meter 21, as shown in fig. 2. The atmospheric electric field instruments may be distributed within a preset range around the center of the target area, for example, at the center. The technical indexes corresponding to the parameters of the atmospheric electric field instrument 21 may be as shown in table 2.
Table 2 technical index of atmospheric electric field instrument
| Parameter name | Technical index |
| Weight of the apparatus | 80Kg (with battery and cement base) |
| Detecting electric field strength | -100kV/m—+100kV/m |
| Early warning range | 8～10km |
| Early warning time | Early warning 15-60 minutes in advance |
| Dustproof and waterproof grade | IP67 (probe) IP20 (control host) |
10. The electric field detection device 20 may include: an electric field acquisition module (not shown) for acquiring atmospheric electric field data of the atmosphere within the target area; and a preliminary early warning determining module (not shown) for determining an electric field level according to the atmospheric electric field data, and taking the electric field level as a preliminary early warning level preset to be sent by the electric field detecting device.
Specifically, the preliminary early warning determining module is configured to determine an electric field level according to the atmospheric electric field data, and use the electric field level as a preliminary early warning level preset to be sent by the electric field detecting device may include: under the condition that the atmospheric electric field data is larger than or equal to a first preset electric field value, determining the electric field grade to be the 3 rd grade, and taking the 3 rd grade as a preliminary early warning highest grade preset and sent by the electric field detection device; under the condition that the atmospheric electric field data is smaller than the first preset electric field data and larger than or equal to the second preset electric field data, determining the electric field grade as a 2 nd grade, and taking the 2 nd grade as a preliminary early warning 2 nd grade preset and sent by the electric field detection device; under the condition that the atmospheric electric field data is smaller than the second preset electric field data and larger than or equal to third preset electric field data, determining the electric field grade to be the 1 st grade, and taking the 1 st grade as the preliminary early warning 1 st grade preset by the electric field detection device; and when the atmospheric electric field data is smaller than the third preset electric field data, determining that the preliminary early warning level is the 0 th level, wherein the 0 th level indicates that the preliminary early warning module does not need to send early warning.
The preliminary warning level preset by the electric field detection device 20 may be determined in the following manner. For example, atmospheric electric field data (e.g., atmospheric electrostatic field data, which relates to electric field fluctuations) monitored in real time by an electric field acquisition module (not shown) may be processed, with preliminary pre-warning at multiple (e.g., four, or more (as needed)) levels set. When the atmospheric electrostatic field strength is greater than or equal to the first preset electric field strength, determining that the preliminary early warning level is the 3 rd level (for example, red early warning); when the atmospheric electrostatic field intensity is smaller than the first preset electric field intensity and larger than or equal to the second preset electric field intensity, determining that the preliminary early warning level is the level 2 (such as orange early warning); when the atmospheric electrostatic field intensity is smaller than the second preset electric field intensity and larger than or equal to the third preset electric field intensity, determining that the preliminary early warning level is the 1 st level (for example, yellow early warning); and when the atmospheric electrostatic field strength is smaller than the third preset electric field strength, determining that the preliminary early warning level is the 0 th level (no early warning is sent). The values of the first preset electric field intensity, the second preset electric field intensity and the third preset electric field intensity are sequentially reduced. And, the electric field detection device 20 may send out a preliminary warning of a corresponding level according to the determined preliminary warning level.
Specifically, if the first preset electric field intensity, the second preset electric field intensity, and the third preset electric field intensity are 8kV/m, 5kV/m, and 2kV/m, respectively, the following results can be obtained according to the atmospheric electrostatic field data E.
Table 3 preliminary Pre-alarm level discrimination method
Of course, the embodiments of the present invention may also determine the preliminary pre-warning level preset by the electric field detection device 20 by other reasonable existing manners, and will not be described herein again because it is not an improvement point of the present invention.
Example two
On the basis of the first embodiment, the functional modules of the early warning device 30 may be further divided.
Specifically, as shown in fig. 3, the early warning device 30 may include: a calculation module 31, configured to obtain an absolute value of a difference between the lightning location data and the location data where the electric field detection device is located; the comprehensive early warning level determining module 32 is configured to compare the absolute value of the obtained difference value with a first preset range and a second preset range to obtain a first comparison result, and determine a comprehensive early warning level of lightning according to the first comparison result, the lightning intensity data, and a preliminary early warning level preset by the electric field detection device, where an arbitrary value in the first preset range is greater than an arbitrary value in the second preset range; and an early warning module 33, configured to send out an early warning that meets the comprehensive early warning level.
For the comprehensive early warning level determining module 32, a first preset range and a second preset range corresponding to the absolute value of the difference value between the lightning location data and the location data of the electric field detection device may be set reasonably according to the actual situation, specifically, the second preset range is a detection range of the electric field detection device, and the first preset range may be determined according to a target range that is actually required to be protected by an enterprise, for example, may be greater than or equal to a maximum value of the detection range of the electric field detection device and less than a maximum value (for example, 20 km) of the target area range. If the detection range of the atmospheric electric field meter is 10km, the first preset range may be set to [10,20 ] km (i.e., a range of 10km or more and less than 20 km), and the second preset range may be set to (0, 10) km (i.e., a range of less than 10 km). Lightning occurrences outside the target area do not have any effect on the object to be protected (e.g. an enterprise) within the target area, which is an influencing factor that has been considered when setting the target area range.
Example III
On the basis of the second embodiment, the process of determining the comprehensive early warning level of lightning by the comprehensive early warning level determining module 32 according to the first comparison result, the lightning intensity data and the preliminary early warning level preset to be sent by the electric field detecting device may be further refined.
Under the condition that the absolute value of the calculated difference value is in the first preset range, determining the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device; or under the condition that the absolute value of the calculated difference value is in the second preset range, determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset and sent by the electric field detection device.
The following describes the case where the absolute value of the difference value thus determined is within two different preset ranges.
When the absolute value of the obtained difference is within the first preset range, it indicates that lightning does not reach the detection range (for example, 10 km) of the electric field detection device, the atmospheric electric field data may be inaccurate, and then, by combining the size of the lightning intensity data collected by the lightning positioning device 10, it is determined whether the preliminary early warning level (0 th level, 1 st level, 2 nd level … … nth level, which indicates that early warning is not required to be sent out, and the early warning level is gradually enhanced) sent out by the electric field detection device 20 is needed to be further combined to determine the comprehensive early warning level, or the preliminary early warning level preset by the electric field detection device 20 is directly adopted as the comprehensive early warning level. This is because when the lightning intensity value is smaller (for example, less than 30 kA), it indicates that the lightning activity in the target area is smaller, the early warning accuracy of the electric field detection device 20 (for example, the atmospheric electric field meter 21) is insufficient, the situation of missing report is easy to occur, and comprehensive early warning needs to be performed in combination with the corresponding data of the lightning actually occurring measured by the lightning positioning device 10; when the lightning intensity value is larger (for example, greater than or equal to 30 kA), it indicates that the lightning activity in the target area is severe, and the early warning precision of the electric field detection device 20 (for example, the atmospheric electric field meter 21) is sufficient, so that the comprehensive early warning is not required to be performed by combining with the lightning positioning device 10.
The comprehensive early warning level determining module 32 is configured to determine, according to the lightning intensity data and the preliminary early warning level preset by the electric field detection device, the comprehensive early warning level of lightning may include: comparing the lightning intensity data with a preset lightning intensity value (e.g. 30 kA) to obtain a second comparison result, and performing the following operations according to the second comparison result: under the condition that the lightning intensity data is smaller than the preset lightning intensity value (for example, 30 kA), determining that the preliminary early warning level preset to be sent out by the electric field detection device is the comprehensive early warning level of lightning; or under the condition that the lightning intensity data is larger than or equal to the preset lightning intensity value (for example, 30 kA), determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset to be sent out by the electric field detection device.
Specifically, the comprehensive early warning level determining module 32 is configured to determine, according to the preliminary early warning level preset by the electric field detection device and sent out when the lightning intensity data is greater than or equal to the preset lightning intensity value, the comprehensive early warning level of lightning includes: under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning 1 st level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or under the condition that the preliminary early warning level preset to be sent by the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preliminary early warning level preset to be sent by the electric field detection device is the comprehensive early warning level of thunder and lightning. That is, for example, when the absolute value of the calculated difference is within [10,20 ] km and the lightning intensity is greater than or equal to 30kA, if the electric field detection device 20 (e.g., the atmospheric electric field meter 21) is preset not to send out the early warning, the comprehensive early warning level may be set to the preliminary early warning level 1 (e.g., the yellow early warning) preset to be sent out by the electric field detection device 20 by the comprehensive early warning level determining module 32, that is, the early warning corresponding to the preliminary early warning level 1 (e.g., the yellow early warning) sent out by the forced early warning module 33; if the electric field detection device 20 (for example, the atmospheric electric field meter 21) presets to send out an early warning, the comprehensive early warning level may be set to a preliminary early warning level preset by the electric field detection device 20 by the comprehensive early warning level determining module 32, which is equivalent to directly adopting the electric field detection device 20 to perform early warning.
When the absolute value of the obtained difference is within the second preset range, it indicates that lightning has reached the detection range (e.g., 10 km) of the electric field detection device, and at this time, the electric field detection data may be used as a main criterion for early warning, that is, the comprehensive early warning level is determined in combination with the preliminary early warning level preset by the electric field detection device 20 (indicating that the 0 th level, the 1 st level, the 2 nd level … … th level of early warning need not to be sent out, and the early warning level is gradually enhanced).
Specifically, the comprehensive early-warning level determining module 32 is configured to determine, when the absolute value of the calculated difference value is within the second preset range, a comprehensive early-warning level of lightning according to a preliminary early-warning level preset to be sent by the electric field detection device, where the determining includes: under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning highest level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or under the condition that the preliminary early warning level preset to be sent by the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preliminary early warning level preset to be sent by the electric field detection device is the comprehensive early warning level of thunder and lightning. That is, for example, when the absolute value of the difference value is within (- ≡10) km, if the electric field detection device 20 (for example, the atmospheric electric field meter 21) is preset not to send out the early warning, the comprehensive early warning level may be set to the preliminary early warning highest level (for example, red early warning) preset to be sent out by the electric field detection device 20 by the comprehensive early warning level determining module 32, that is, the early warning corresponding to the preliminary early warning highest level (for example, red early warning) sent out by the forced early warning module 33; if the electric field detection device 20 (for example, the atmospheric electric field meter 21) presets to send out an early warning, the comprehensive early warning level may be set to a preliminary early warning level preset by the electric field detection device 20 by the comprehensive early warning level determining module 32, which is equivalent to directly adopting the electric field detection device 20 to perform early warning.
As shown in fig. 4, when the thundercloud does not enter the lightning early warning range of 30km of the atmospheric electric field instrument 21, the lightning detector 11 monitors the lightning activity first to monitor the information such as the position and intensity of the lightning (or lightning), but the system does not send out comprehensive early warning information at this time. As shown in fig. 5, when the thundercloud enters the lightning early warning range of 30km of the atmospheric electric field instrument 21, the system performs comprehensive early warning according to the method provided by the invention.
Example IV
In the fourth embodiment, the early warning process is explained and explained by taking the lightning early warning system including a plurality of lightning detectors 11 and an atmospheric electric field instrument 21 as an example, as shown in fig. 4 or 5.
Specifically, the whole early warning process may include the following steps S601 to S615, as shown in fig. 6.
In step S601, lightning location data Lf and lightning intensity data If are collected by a plurality of lightning detectors 11.
The lightning position data may be longitude and latitude data of lightning actually occurring.
In step S602, the atmospheric electric field instrument 21 provides its own position data Lw and atmospheric electric field intensity data E.
The position data Lw refers to the installation position of the atmospheric electric field instrument 21, and can be displayed on the atmospheric electric field instrument.
Step S603, the absolute value |lf-lw| of the difference between the lightning position data Lf and the position data Lw of the atmospheric electric field instrument is obtained.
Step S604, judging whether 10km is less than or equal to |Lf-Lw| < 20km, if yes, executing step S605, otherwise, executing step S610.
Step S605, judging whether If is not less than 30kA is true, if true, executing step S609, otherwise executing step S606.
Step S606, judging whether the preliminary early warning level preset by the atmospheric electric field instrument 21 is 0 according to E, if yes, executing step S607; otherwise, step S608 is performed.
Step S607, determining the preliminary warning level 1 as the comprehensive warning level.
The preliminary early warning level 1 may be a yellow early warning.
In step S608, it is determined that the preliminary warning level preset by the atmospheric electric field meter 21 is the comprehensive warning level.
In step S609, it is determined that the preliminary early warning level preset by the atmospheric electric field meter 21 is the comprehensive early warning level.
Step S610, judging whether the |Lf-Lw| < 10km is satisfied, if yes, executing step S611, otherwise executing step S614.
Step S611, judging whether the preliminary pre-warning level preset by the atmospheric electric field instrument 21 is 0 according to E, if yes, executing step S612; otherwise, step S613 is performed.
Step S612, determining the 3 rd level of the preliminary early warning as the comprehensive early warning level.
Wherein, the 3 rd level is the highest level, such as red early warning.
In step S613, it is determined that the preliminary warning level preset by the atmospheric electric field meter 21 is the comprehensive warning level.
Step S614, determining the 0 th level of the preliminary early warning as the comprehensive early warning level.
That is, the early warning module does not issue an early warning.
Step S615, early warning is carried out according to the determined comprehensive early warning level.
In summary, the invention creatively determines the comprehensive early warning level of the lightning according to the lightning position data and the lightning intensity data in the target area collected by the lightning positioning device, the position data of the electric field detection device and the preset initial early warning level thereof, and sends out the early warning meeting the comprehensive early warning level, thereby implementing the advantage complementation of the two detection modes by carrying out deep fusion on the data of the lightning positioning and the atmospheric electric field detection, and further improving the comprehensive early warning and monitoring level of the lightning.
Example five
Accordingly, fig. 7 is a flowchart of a lightning early warning method provided in the fifth embodiment of the invention. As shown in fig. 7, the lightning early warning method may include: step S701, collecting lightning position data and lightning intensity data of lightning actually occurring in a target area; step S702, providing a preliminary early warning level sent by an electric field detection device in the target area in a preset manner; step S703, determining a comprehensive early warning level of lightning according to the lightning position data, the lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset by the electric field detection device, and sending out an early warning meeting the comprehensive early warning level.
Preferably, the determining the comprehensive early warning level of lightning according to the lightning position data, the lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset to be sent by the electric field detection device includes: obtaining the absolute value of the difference value of the lightning position data and the position data of the electric field detection device; and comparing the absolute value of the obtained difference value with a first preset range and a second preset range, and determining the comprehensive early warning level of the lightning according to a first comparison result, the lightning intensity data and the preliminary early warning level preset by the electric field detection device, wherein any value in the first preset range is larger than any value in the second preset range.
Preferably, the determining the comprehensive early warning level of lightning according to the first comparison result, the lightning intensity data and the preliminary early warning level preset by the electric field detection device includes: under the condition that the absolute value of the calculated difference value is in the first preset range, determining the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device; or under the condition that the absolute value of the calculated difference value is in the second preset range, determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset and sent by the electric field detection device.
Preferably, when the absolute value of the calculated difference value is within the second preset range, determining the comprehensive early warning level of lightning according to the preliminary early warning level preset by the electric field detection device includes: under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning highest level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or under the condition that the preliminary early warning level preset to be sent by the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preliminary early warning level preset to be sent by the electric field detection device is the comprehensive early warning level of thunder and lightning.
Preferably, the determining the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset by the electric field detection device includes: comparing the lightning intensity data with a preset lightning intensity value to obtain a second comparison result, and executing the following operations according to the second comparison result: under the condition that the lightning intensity data is larger than or equal to the preset lightning intensity value, determining that the preliminary early warning level preset to be sent out by the electric field detection device is the comprehensive early warning level of lightning; or under the condition that the lightning intensity data is smaller than the preset lightning intensity value, determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset by the electric field detection device.
Preferably, under the condition that the lightning intensity data is smaller than the preset lightning intensity value, determining the comprehensive early warning level of lightning according to the preliminary early warning level preset by the electric field detection device includes: under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning 1 st level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or under the condition that the preliminary early warning level preset to be sent by the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preliminary early warning level preset to be sent by the electric field detection device is the comprehensive early warning level of thunder and lightning.
Specific details and benefits of the lightning early warning method provided by the invention can be referred to the above description for the lightning early warning system, and will not be repeated here.
Other embodiments of the present invention also provide a machine-readable storage medium having instructions stored thereon for causing a machine to perform the lightning early warning method described above.
The machine-readable storage medium includes, but is not limited to, phase-change Memory (abbreviation for phase-change random access Memory, PHASE CHANGE Random Access Memory, PRAM, also known as RCM/PCRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash Memory (Flash Memory) or other Memory technology, compact disc read only Memory (CD-ROM), digital Versatile Disc (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, and the like.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (8)
1. A lightning early warning system, the lightning early warning system comprising:
the lightning positioning device is used for collecting lightning position data and lightning intensity data of lightning actually occurring in the target area;
The electric field detection device is arranged in the target area and is used for providing a preliminary early warning level preset by the electric field detection device; and
The early warning device is used for determining the comprehensive early warning level of the thunder and lightning according to the thunder and lightning position data, the thunder and lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset to be sent out by the electric field detection device and sending out early warning meeting the comprehensive early warning level,
The early warning device comprises:
the computing module is used for solving the absolute value of the difference value of the lightning position data and the position data of the electric field detection device;
The comprehensive early warning level determining module is used for comparing the absolute value of the obtained difference value with a first preset range and a second preset range to obtain a first comparison result, and determining the comprehensive early warning level of the lightning according to the first comparison result, the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device, wherein any value in the first preset range is larger than any value in the second preset range; and
An early warning module for sending out early warning conforming to the comprehensive early warning grade,
The comprehensive early warning level determining module is configured to determine a comprehensive early warning level of lightning according to a first comparison result, the lightning intensity data, and a preliminary early warning level preset to be sent by the electric field detection device, where the determining of the comprehensive early warning level of lightning includes:
Under the condition that the absolute value of the calculated difference value is in the first preset range, determining the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device; or alternatively
Under the condition that the absolute value of the calculated difference value is in the second preset range, determining the comprehensive early warning level of lightning according to the preliminary early warning level preset by the electric field detection device,
The comprehensive early warning level determining module is configured to determine, when the absolute value of the calculated difference value is within the second preset range, a comprehensive early warning level of lightning according to a preliminary early warning level preset to be sent by the electric field detection device, where the determining includes:
Under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning highest level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or alternatively
And under the condition that the preset initial early warning level of the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning level of the electric field detection device is the comprehensive early warning level of thunder and lightning.
2. The lightning early warning system according to claim 1, wherein the comprehensive early warning level determining module is configured to determine the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset to be sent by the electric field detection device, and the comprehensive early warning level determining module includes:
Comparing the lightning intensity data with a preset lightning intensity value to obtain a second comparison result, and executing the following operations according to the second comparison result:
Under the condition that the lightning intensity data is larger than or equal to the preset lightning intensity value, determining that the preliminary early warning level preset to be sent out by the electric field detection device is the comprehensive early warning level of lightning; or alternatively
And under the condition that the lightning intensity data is smaller than the preset lightning intensity value, determining the comprehensive early warning level of the lightning according to the preliminary early warning level preset and sent by the electric field detection device.
3. The lightning early warning system according to claim 2, wherein the comprehensive early warning level determining module is configured to determine, in a case where the lightning intensity data is smaller than the preset lightning intensity value, a comprehensive early warning level of lightning according to a preliminary early warning level preset to be emitted by the electric field detection device, including:
Under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning 1 st level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or alternatively
And under the condition that the preset initial early warning level of the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning level of the electric field detection device is the comprehensive early warning level of thunder and lightning.
4. The lightning early warning system according to claim 1, wherein the second preset range is a detection range of the electric field detection device.
5. The lightning early warning system of claim 1, wherein the electric field detection device comprises:
The electric field acquisition module is used for acquiring atmospheric electric field data of the atmosphere in the target area; and
And the preliminary early warning determining module is used for determining the electric field grade according to the atmospheric electric field data and taking the electric field grade as a preliminary early warning grade preset and sent by the electric field detection device.
6. The lightning early warning system according to claim 5, wherein the preliminary early warning determining module is configured to determine an electric field level according to the atmospheric electric field data, and to preset the electric field level as a preliminary early warning level sent by the electric field detection device, including:
under the condition that the atmospheric electric field data is larger than or equal to a first preset electric field value, determining the electric field grade to be the 3 rd grade, and taking the 3 rd grade as a preliminary early warning highest grade preset and sent by the electric field detection device;
Under the condition that the atmospheric electric field data is smaller than the first preset electric field data and larger than or equal to the second preset electric field data, determining the electric field grade as a2 nd grade, and taking the 2 nd grade as a preliminary early warning 2 nd grade preset and sent by the electric field detection device;
Under the condition that the atmospheric electric field data is smaller than the second preset electric field data and larger than or equal to third preset electric field data, determining the electric field grade to be the 1 st grade, and taking the 1 st grade as the preliminary early warning 1 st grade preset by the electric field detection device; and
When the atmospheric electric field data is smaller than the third preset electric field data, determining that the preliminary early warning level is 0 th level, wherein the 0 th level indicates that the preliminary early warning module does not need to send early warning.
7. The lightning early warning method is characterized by comprising the following steps of:
collecting lightning position data and lightning intensity data of lightning actually occurring in a target area;
Providing a preliminary early warning level preset by an electric field detection device in the target area;
Determining the comprehensive early warning level of the thunder and lightning according to the thunder and lightning position data, the thunder and lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset to be sent out by the electric field detection device, and sending out early warning conforming to the comprehensive early warning level,
The determining the comprehensive early warning level of the lightning according to the lightning position data, the lightning intensity data, the position data of the electric field detection device and the preliminary early warning level preset and sent by the electric field detection device comprises the following steps:
Obtaining the absolute value of the difference value of the lightning position data and the position data of the electric field detection device; and
Comparing the absolute value of the obtained difference value with a first preset range and a second preset range, determining the comprehensive early warning level of the lightning according to a first comparison result, the lightning intensity data and the preliminary early warning level preset by the electric field detection device,
Wherein any value within the first predetermined range is greater than any value within the second predetermined range,
The determining the comprehensive early warning level of the lightning according to the first comparison result, the lightning intensity data and the preliminary early warning level preset by the electric field detection device comprises the following steps:
Under the condition that the absolute value of the calculated difference value is in the first preset range, determining the comprehensive early warning level of lightning according to the lightning intensity data and the preliminary early warning level preset and sent by the electric field detection device; or alternatively
Under the condition that the absolute value of the calculated difference value is in the second preset range, determining the comprehensive early warning level of lightning according to the preliminary early warning level preset by the electric field detection device,
And under the condition that the absolute value of the calculated difference value is in the second preset range, determining the comprehensive early warning level of lightning according to the preliminary early warning level preset and sent by the electric field detection device comprises the following steps:
Under the condition that the preset initial early warning level of the electric field detection device is the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning highest level of the electric field detection device is the comprehensive early warning level of thunder and lightning; or alternatively
And under the condition that the preset initial early warning level of the electric field detection device is not the 0 th level which indicates that early warning is not required to be sent, determining that the preset initial early warning level of the electric field detection device is the comprehensive early warning level of thunder and lightning.
8. A machine-readable storage medium having stored thereon instructions for causing a machine to perform the lightning early warning method of claim 7.
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