CN111983334A - Novel combination thunder and lightning early warning locater - Google Patents
Novel combination thunder and lightning early warning locater Download PDFInfo
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- CN111983334A CN111983334A CN202011012513.6A CN202011012513A CN111983334A CN 111983334 A CN111983334 A CN 111983334A CN 202011012513 A CN202011012513 A CN 202011012513A CN 111983334 A CN111983334 A CN 111983334A
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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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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
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Abstract
The application provides a novel combination thunder and lightning early warning locater, include: the lightning early warning positioning antenna comprises a high-precision lightning positioning antenna and a low-false-alarm thunderstorm early warning antenna, and the high-precision lightning positioning antenna and the low-false-alarm thunderstorm early warning antenna are arranged at the top of the lightning early warning positioning antenna; thunder and lightning monitoring positioning control case, thunder and lightning monitoring positioning control case includes GPS antenna, fast electric field signal sample thief, fast electric field signal processor, remote communication ware, remote control ware and local controller. The utility model provides a pair of novel combination thunder and lightning early warning locater has integrated ground-on-the-spot atmospheric electric field appearance and time difference method thunder and lightning locater, has solved single thunder and lightning early warning device and can't fix a position the lightning, can't provide the thunder and lightning and close on early warning, single thunder and lightning positioner can't make the drawback of early warning in the initial stage that the thunder and lightning formed, has reduced the false alarm rate of thunder and lightning early warning, has reduced thunder and lightning early warning positioning device's cost.
Description
Technical Field
The application relates to thunder and lightning early warning and thunder and lightning location technical field especially relates to a novel combination thunder and lightning early warning locater.
Background
Thunder and lightning disasters become one of the 10 most serious natural disasters published by the united nations, can not only cause forest and oil depot fires, but also cause power supply and communication system faults or damage, and poses great threats to aerospace, mines, cultural relic buildings and some important and sensitive high-technology equipment. Lightning has instantaneity and randomness, so that the difficulty of lightning protection engineering design and lightning accident analysis is increased, and lightning early warning and lightning positioning technologies provide a way for solving the problem.
The thunder early warning device is a meteorological detection instrument which sends out early warning signals before thunder is close to or occurs, and the traditional thunder early warning device is an atmospheric electric field instrument and is used for continuously monitoring the strength of atmospheric electric field, identifying the change rate of the electric field and sending out the thunder early warning signals within 30 minutes before the occurrence of the lightning stroke. The atmosphere electric field instrument is independently adopted to carry out lightning early warning and forecast, the monitoring range is limited (the radius is 20km), the false alarm rate is high, lightning cannot be positioned, and lightning approach early warning cannot be provided.
The lightning positioning device is a meteorological detection instrument for monitoring lightning occurrence, can run in all weather and record indexes such as time, position, strength and polarity of lightning occurrence, provides early warning and forecast of lightning approach, but cannot make early warning at the initial stage of lightning formation. The traditional thunder and lightning position finder adopts a single-station measuring method in a magnetic field and electric field mode, simultaneously measures the magnetic field signal and the electric field strength of thunder and lightning, can calculate the thunder and lightning position through the size of the electric field strength and the magnetic field direction, but has the precision of about 500 meters basically, lower accuracy, and can not measure the atmosphere electrostatic field and meet the current requirements.
Disclosure of Invention
The application provides a novel combination thunder and lightning early warning locater to solve that single thunder and lightning early warning device monitoring range is limited, the misstatement rate is higher, can't fix a position, can't provide the thunder and lightning and close on the early warning, single thunder and lightning positioner degree of accuracy is lower, can't measure the problem of atmosphere electrostatic field.
The application provides a novel combination thunder and lightning early warning locater, include:
a lightning early warning location antenna comprising a high precision lightning location antenna and a low false alarm thunderstorm early warning antenna, wherein,
the high-precision lightning positioning antenna comprises a fast electric field detection antenna and a fast electric field signal amplifier, the low-false-alarm thunderstorm early warning antenna comprises a slow electric field detection antenna, a slow electric field signal sampler and a slow electric field signal processor, the high-precision lightning positioning antenna and the low-false-alarm thunderstorm early warning antenna are arranged at the top of the lightning early warning positioning antenna, wherein,
the fast electric field detection antenna is configured to acquire a fast electric field induction signal radiated upon occurrence of a lightning; the slow electric field detection antenna is configured to measure an atmospheric electrostatic field in real time;
the fast electric field signal amplifier is connected with the fast electric field detection antenna and is configured to amplify and filter the fast electric field induction signal collected by the fast electric field detection antenna;
the slow electric field signal sampler is connected with the slow electric field detection antenna and is configured to collect analog signals of the slow electric field detection antenna;
the slow electric field signal processor is connected with the slow electric field signal sampler and is configured to process the analog signals in the slow electric field signal sampler and convert the analog signals into digital signals;
a thunder and lightning monitoring and positioning control box, which comprises a GPS antenna, a fast electric field signal sampler, a fast electric field signal processor, a remote communicator, a remote controller and a local controller, wherein,
the GPS antenna is arranged at the top of the lightning monitoring and positioning control box;
the fast electric field signal sampler is connected with the fast electric field signal amplifier and is configured to collect the signals amplified by the fast electric field signal amplifier into a local memory and convert the signals into digital signals;
the fast electric field signal processor is connected with the fast electric field signal sampler and is configured to process the digital signals in the fast electric field signal sampler, compress the effective signal files and store the effective signal files in the local memory;
the remote communicator is connected with a slow electric field signal processor, a fast electric field signal processor and a server, and is configured to bear the communication work of the signal processor and the server and upload data to the server in real time;
the remote controller is connected with the fast electric field signal sampler and the fast electric field signal processor and is configured to execute restarting operation after the core equipment of the lightning early warning locator fails;
the local controller is connected with the slow electric field signal processor and the fast electric field signal processor and is configured to output three paths of early warning.
Optionally, the fast electric field detection antenna is a flat antenna and is arranged in parallel with the ground; the slow electric field detection antenna is an atmospheric electric field detection antenna, and the atmospheric electric field detection antenna is a field mill type detection antenna.
Optionally, the fast electric field signal amplifier includes a fast electric field operational amplifier and a fast electric field filter circuit, the fast electric field operational amplifier is connected to the fast electric field detection antenna, and the fast electric field filter circuit is connected to the fast electric field operational amplifier circuit.
Optionally, the slow electric field signal sampler comprises a slow electric field operational amplifier, a slow electric field filter circuit, a phase-sensitive detection circuit and a phase discrimination circuit, the slow electric field operational amplifier is connected with the slow electric field detection antenna, the slow electric field filter circuit is connected between the slow electric field operational amplifier circuit and the phase-sensitive detection circuit, and the phase discrimination circuit is connected with the slow electric field detection antenna.
Optionally, the slow electric field signal processor includes an analog-to-digital conversion circuit, and the analog-to-digital conversion circuit is connected with an integrating circuit and configured to convert the acquired analog signal into a digital signal.
Optionally, the fast electric field signal sampler includes a digital-to-analog conversion circuit and a GPS time service circuit, the signal sampling rate of the digital-to-analog conversion circuit is 1-25MHz, and the GPS time service circuit is connected to the GPS antenna and the fast electric field signal sampler and configured to provide accurate time for the fast electric field signal sampler.
Optionally, the fast electric field signal processor includes a digital signal acquisition circuit and a digital signal storage circuit, where the digital signal acquisition circuit is connected to the fast electric field signal sampler and configured to read lightning data in the fast electric field signal sampler; the digital signal storage circuit is connected with a CPU in the fast electric field signal processor and is configured to store lightning data.
Optionally, the remote communicator includes a Wifi communication circuit, and the Wifi communication circuit is wirelessly connected to the fast electric field signal processor and the slow electric field signal processor, and is configured to transmit the lightning early warning positioning information stored in the signal processing circuit to the server.
Optionally, the remote controller includes a wireless communication circuit and a control circuit, the wireless communication circuit is connected with the remote communicator and configured to connect to a wireless public network; the control circuit is connected with the fast electric field signal sampler and the fast electric field signal processor and is configured to be remotely restarted when the fast electric field signal sampler or the fast electric field signal processor is abnormal.
Optionally, the local controller includes a local control output circuit, and the local control output circuit is connected to the slow electric field signal processor and the fast electric field signal processor and configured to locally output the warning signal.
According to the above technical scheme, this application provides a novel combination thunder and lightning early warning locater, include: the lightning early warning positioning antenna comprises a high-precision lightning positioning antenna and a low-false-alarm thunderstorm early warning antenna, and the high-precision lightning positioning antenna and the low-false-alarm thunderstorm early warning antenna are arranged at the top of the lightning early warning positioning antenna; thunder and lightning monitoring positioning control case, thunder and lightning monitoring positioning control case includes GPS antenna, fast electric field signal sample thief, fast electric field signal processor, remote communication ware, remote control ware and local controller.
The utility model provides a pair of novel combination thunder and lightning early warning locater has integrated ground-on-the-spot atmospheric electric field appearance and time difference method thunder and lightning locater, has solved single thunder and lightning early warning device and can't fix a position the lightning, can't provide the thunder and lightning and close on early warning, single thunder and lightning positioner can't make the drawback of early warning in the initial stage that the thunder and lightning formed, has reduced the false alarm rate of thunder and lightning early warning, has reduced thunder and lightning early warning positioning device's cost.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lightning early warning positioning antenna in a novel combined lightning early warning positioning instrument provided by the present application;
fig. 2 is a schematic view of a top view structure of a lightning early warning positioning antenna in the novel combined lightning early warning positioning apparatus provided by the present application;
fig. 3 is a schematic structural diagram of a lightning monitoring and positioning control box in the novel combined lightning early warning positioning instrument provided by the application;
fig. 4 is a schematic structural view of the front side of the interior of a lightning monitoring and positioning control box in the novel combined lightning early warning positioning instrument provided by the application;
fig. 5 is the inside reverse side structure schematic diagram of thunder and lightning monitoring positioning control case in the novel combination thunder and lightning early warning locater that this application provided.
Illustration of the drawings:
the lightning early warning system comprises a 1-lightning early warning positioning antenna, a 2-lightning monitoring positioning control box, a 3-fast electric field detection antenna, a 4-fast electric field signal amplifier, a 5-slow electric field detection antenna, a 6-slow electric field signal sampler, a 7-slow electric field signal processor, an 8-GPS antenna, a 9-fast electric field signal sampler, a 10-fast electric field signal processor, an 11-remote communicator, a 12-remote controller, a 13-local controller, a 14-high-precision lightning positioning antenna and a 15-low false alarm thunderstorm early warning antenna.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Lightning disasters have become one of the 10 most serious natural disasters promulgated by united nations. The outline of national medium and long-term science and technology development planning (2006-2020) ranks the public security field as a key field, and ranks monitoring and defense of major natural disasters such as lightning as a priority subject of the field; the research on development strategy of the Chinese meteorological institution indicates that the establishment of a lightning protection guarantee system is an important strategy which needs to be adopted for realizing the national security meteorological guarantee target.
The application provides a pair of novel combination thunder and lightning early warning locater, include:
the lightning early warning positioning antenna 1, as shown in fig. 1 and fig. 2, is a schematic structural diagram of the lightning early warning positioning antenna 1 in the novel combined lightning early warning positioning instrument provided by the present application, wherein the lightning early warning positioning antenna 1 comprises a high-precision lightning positioning antenna 14 and a low false alarm thunderstorm early warning antenna 15, wherein,
the high-precision lightning positioning antenna 14 comprises a fast electric field detection antenna 3 and a fast electric field signal amplifier 4, the low-false-alarm thunderstorm early warning antenna 15 comprises a slow electric field detection antenna 5, a slow electric field signal sampler 6 and a slow electric field signal processor 7, the high-precision lightning positioning antenna 14 and the low-false-alarm thunderstorm early warning antenna 15 are arranged at the top of the lightning early warning positioning antenna 1, wherein,
the fast electric field detection antenna 3 is configured to acquire a fast electric field induction signal radiated when a lightning occurs; the slow electric field detection antenna 5 is configured to measure the atmospheric electrostatic field in real time;
the top of the lightning early warning and positioning antenna 1 is provided with two conical probes, one conical probe is a high-precision lightning positioning antenna 14 and is vertically arranged at the topmost end of the lightning early warning and positioning antenna 1, and the fast electric field detection antenna 3 and the fast electric field signal amplifier 4 are arranged in the lightning early warning and positioning antenna; the other conical probe is a low false alarm thunderstorm early warning antenna 15 which is arranged below the high-precision lightning positioning antenna 14 through a connecting rod, and the slow electric field detection antenna 5, the slow electric field signal sampler 6 and the slow electric field signal processor 7 are arranged inside the other conical probe.
The fast electric field signal amplifier 4 is connected with the fast electric field detection antenna 3 and is configured to amplify and filter the fast electric field induction signal collected by the fast electric field detection antenna 3;
the slow electric field signal sampler 6 is connected with the slow electric field detection antenna 5 and is configured to collect analog signals of the slow electric field detection antenna 5;
the slow electric field signal processor 7 is connected with the slow electric field signal sampler 6 and is configured to process the analog signal in the slow electric field signal sampler 6 and convert the analog signal into a digital signal;
the thunder and lightning monitoring and positioning control box 2, referring to fig. 3, is a schematic structural diagram of the thunder and lightning monitoring and positioning control box in the novel combined thunder and lightning early warning locator provided by the present application, and includes a GPS antenna 8, a fast electric field signal sampler 9, a fast electric field signal processor 10, a remote communicator 11, a remote controller 12 and a local controller 13, wherein,
the GPS antenna 8 is arranged at the top of the lightning monitoring and positioning control box 2;
thunder and lightning monitoring positioning control case 2 is the box structure of taking the top cap, is equipped with the baffle in the middle of its inside, separates thunder and lightning monitoring positioning control case 2 inside into positive and negative two parts. GPS antenna 8 inlays the setting on the top cap of thunder and lightning monitoring positioning control case 2, fast electric field signal sample thief 9, fast electric field signal processor 10 and remote communication ware 11 set up the front in thunder and lightning monitoring positioning control case 2 inside, remote control 12 and local controller 13 set up the reverse side in thunder and lightning monitoring positioning control case 2 inside.
The fast electric field signal sampler 9 is connected with the fast electric field signal amplifier 4, and is configured to collect the signal amplified by the fast electric field signal amplifier 4 into a local memory and convert the signal into a digital signal;
the fast electric field signal processor 10 is connected with the fast electric field signal sampler 9, and is configured to process the digital signals in the fast electric field signal sampler 9, compress the effective signal files, and store the compressed effective signal files in a local memory;
the remote communicator 11 is connected with the slow electric field signal processor 7, the fast electric field signal processor 10 and the server, and is configured to bear the communication work of the signal processor and the server and upload data to the server in real time;
the remote controller 12 is connected with the fast electric field signal sampler 9 and the fast electric field signal processor 10 and is configured to execute a restart operation after a core device of the lightning early warning locator fails;
the local controller 13 is connected with the slow electric field signal processor 7 and the fast electric field signal processor 10 and is configured to output three paths of early warning.
Further, the fast electric field detection antenna 3 is a flat antenna and is arranged in parallel with the ground; the slow electric field detection antenna 5 is an atmospheric electric field detection antenna, and the atmospheric electric field detection antenna is a field mill type detection antenna.
A patch antenna, which refers to an antenna that propagates in only one particular direction, is also referred to as a "patch antenna," which is generally used in the point-to-point context. At present, the panel antenna has a plurality of oscillators, gap antennas and the like, and is characterized by small volume, light weight, small wind resistance and convenient installation and use; the built-in tuner enables the antenna and the tuner to be integrated, adjustment is convenient, and efficiency is high. The atmosphere electric field instrument is used for 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.
The fast electric field detection antenna 3 and the slow electric field detection antenna 5 can detect fast electric field induction signals and atmosphere electrostatic field signals radiated when lightning occurs, and original data are provided for lightning early warning and positioning.
Further, the fast electric field signal amplifier 4 comprises a fast electric field operational amplifier and a fast electric field filter circuit, the fast electric field operational amplifier is connected with the fast electric field detection antenna 3, and the fast electric field filter circuit is connected in the fast electric field operational amplifier circuit.
Further, the slow electric field signal sampler 6 includes a slow electric field operational amplifier, a slow electric field filter circuit, a phase-sensitive detection circuit and a phase discrimination circuit, the slow electric field operational amplifier is connected with the slow electric field detection antenna 5, the slow electric field filter circuit is connected between the slow electric field operational amplifier circuit and the phase-sensitive detection circuit, and the phase discrimination circuit is connected with the slow electric field detection antenna 5.
The operational amplifier is a circuit unit with high amplification factor, and in an actual circuit, a certain functional module is usually formed by combining a feedback network, and the operational amplifier is an amplifier with a special coupling circuit and feedback; filter circuits are often used to filter out ripples in the rectified output voltage, and are generally composed of reactive elements; signal sampling, also called sampling, is a discretization of a continuous signal in time, i.e. taking the instants of the signal point by point on an analog signal at certain time intervals.
The signal amplifier and the filter circuit are directly connected with the corresponding electric field detection antenna and are used for amplifying and filtering the original data collected by the detection antenna so as to facilitate the subsequent modules to further process the fast electric field induction signals and the atmosphere electrostatic field signals radiated when the lightning collected by the electric field detection antenna occurs.
Further, the slow electric field signal processor 7 includes an analog-to-digital conversion circuit, which is connected with an integrating circuit and configured to convert the acquired analog signal into a digital signal;
analog signals can be processed by software only after being converted into digital signals through A/D, all the analog signals are realized through an A/D converter, digital-to-analog conversion corresponds to analog-to-digital conversion, and the digital-to-analog conversion is the inverse process of the analog-to-digital conversion; the integrating circuit is mainly used for waveform conversion, elimination of offset voltage of an amplifying circuit, integral compensation in feedback control and the like.
The slow electric field signal processor 7 converts the analog signal in the slow electric field signal sampler 6 into a digital signal through an analog-to-digital conversion circuit, and coordinates with the integrating circuit to facilitate the subsequent modules to further process the signal sampled by the slow electric field signal sampler 6.
Referring to fig. 4, for the inside front structure schematic diagram of the lightning monitoring positioning control box in the novel combined lightning early warning locator provided by the application, further, the fast electric field signal sampler 9 includes a digital-to-analog conversion circuit and a GPS time service circuit, the signal sampling rate of the digital-to-analog conversion circuit is 1-25MHz, the GPS time service circuit is connected to the GPS antenna 8 and the fast electric field signal sampler 9, and is configured to provide accurate time for the fast electric field signal sampler 9.
The GPS is a short for the english Global Positioning System, is a satellite navigation System developed and established by the united states department of defense, and is capable of providing navigation information such as a low-cost, high-precision three-dimensional position, a high-precision speed, and a precise timing for Global users, and has all-round, all-weather, all-time, and high precision.
The GPS time service circuit selected for use in the application has the function of providing time after being connected with the GPS antenna 8, and the time provided by the GPS time service circuit perfects the core function of the early warning positioning thunder and lightning in the application, so that a user can know the specific time of thunder and lightning.
Further, the fast electric field signal processor 10 includes a digital signal acquisition circuit and a digital signal storage circuit, wherein the digital signal acquisition circuit is connected to the fast electric field signal sampler 9 and configured to read the lightning data in the fast electric field signal sampler 9; the digital signal storage circuit is connected to the CPU in the fast electric field signal processor 10 and is configured to store lightning data.
Signal processing is a generic term for processing various types of electrical signals according to various intended purposes and requirements, i.e., a process of processing signals recorded on a certain medium to extract useful information, and is a generic term for processing processes of extracting, converting, analyzing, synthesizing, etc. the signals.
The signal processor comprises a signal sampling circuit inside or is directly connected with the signal sampling circuit and is used for processing digital signals or analog signals in the signal sampling circuit to obtain predicted lightning detailed information, compressing effective signal files and then storing the effective signal files in a local memory.
Further, the remote communicator 11 comprises a Wifi communication circuit, and the Wifi communication circuit is wirelessly connected with the fast electric field signal processor 10 and the slow electric field signal processor 7, and is configured to transmit the lightning early warning positioning information stored in the signal processing circuit to the server.
Wifi, also known as "mobile hotspot" in chinese, is a wireless lan technology established in IEEE 802.11 standards. The Wifi communication circuit transmits the lightning early warning positioning information processed by the signal processor to the server by using a Wifi technology, and the server refers to all hosts which provide support services for all the devices of the inventor.
Referring to fig. 5, for a schematic reverse structure diagram of the inside of the lightning monitoring and positioning control box in the novel combined lightning early warning locator provided by the present application, further, the remote controller 12 includes a wireless communication circuit and a control circuit, the wireless communication circuit is connected with the remote communicator 11 and configured to be connected to a wireless public network; the control circuit is connected with the fast electric field signal sampler 9 and the fast electric field signal processor 10 and is configured to be remotely restarted when the fast electric field signal sampler 9 or the fast electric field signal processor 10 is abnormal.
Control circuitry refers to circuitry used for mechanical and electrical device control.
The wireless communication circuit also uses Wifi technology, so that the remote communicator 11 and the remote controller 12 can communicate with each other and can access the wireless public network; the control circuit can control the whole application to restart when receiving the abnormal signal of the fast electric field signal sampler 9 or the fast electric field signal processor 10.
Further, the local controller 13 includes a local control output circuit, which is connected to the slow electric field signal processor 7 and the fast electric field signal processor 10 and configured to locally output the warning signal.
The local control output circuit receives the detailed thunder and lightning information after the signal processor analyzes the information, and outputs thunder and lightning early warning positioning information on the user end.
The application provides a novel combination thunder and lightning early warning locater, include: the lightning early warning and positioning antenna comprises a lightning early warning and positioning antenna 1, wherein the lightning early warning and positioning antenna 1 comprises a high-precision lightning positioning antenna 14 and a low-false-alarm thunderstorm early warning antenna 15, the high-precision lightning positioning antenna 14 comprises a fast electric field detection antenna 3 and a fast electric field signal amplifier 4, the low-false-alarm thunderstorm early warning antenna 15 comprises a slow electric field detection antenna 5, a slow electric field signal sampler 6 and a slow electric field signal processor 7, the high-precision lightning positioning antenna 14 and the low-false-alarm thunderstorm early warning antenna 15 are arranged at the top of the lightning early warning and positioning antenna 1, the fast electric field signal amplifier 4 is connected with the fast electric field detection antenna 3, the slow electric field signal sampler 6 is connected with the slow electric field detection antenna 5, and the slow electric field signal processor 7 is connected with the slow electric field; thunder and lightning monitoring positioning control case 2, including GPS antenna 8, fast electric field signal sample thief 9, fast electric field signal processor 10, remote communication ware 11, remote control 12 and local controller 13, wherein, GPS antenna 8 establishes the top at thunder and lightning monitoring positioning control case 2, fast electric field signal sample thief 9 is connected with fast electric field signal amplifier 4, fast electric field signal processor 10 is connected with fast electric field signal sample thief 9, remote communication ware 11 is connected with slow electric field signal processor 7, fast electric field signal processor 10 and server, remote control 12 is connected with fast electric field signal sample thief 9 and fast electric field signal processor 10, local controller 13 is connected with slow electric field signal processor 7 and fast electric field signal processor 10.
The utility model provides a pair of novel combination thunder and lightning early warning locater has integrated field-milling formula atmosphere electric field appearance and time difference method thunder and lightning locater, single thunder and lightning early warning device monitoring range is limited, the false alarm rate is higher, can't fix a position lightning, can't provide the thunder and lightning and close on the early warning, single thunder and lightning positioner degree of accuracy is lower, can't measure atmosphere electrostatic field, can't make the drawback of early warning in the initial stage that the thunder and lightning formed, the false alarm rate of thunder and lightning early warning has been reduced, the cost of thunder and lightning early warning positioning device has been reduced.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (10)
1. The utility model provides a novel combination thunder and lightning early warning locater which characterized in that includes:
a lightning early warning location antenna (1), the lightning early warning location antenna (1) comprising a high precision lightning location antenna (14) and a low false alarm thunderstorm early warning antenna (15), wherein,
the high-precision lightning positioning antenna (14) comprises a fast electric field detection antenna (3) and a fast electric field signal amplifier (4), the low-false-alarm thunderstorm early warning antenna (15) comprises a slow electric field detection antenna (5), a slow electric field signal sampler (6) and a slow electric field signal processor (7), the high-precision lightning positioning antenna (14) and the low-false-alarm thunderstorm early warning antenna (15) are arranged at the top of the lightning early warning positioning antenna (1), wherein,
the fast electric field detection antenna (3) is configured to acquire a fast electric field induction signal radiated when a lightning occurs, and the slow electric field detection antenna (5) is configured to measure an atmospheric electrostatic field in real time;
the fast electric field signal amplifier (4) is connected with the fast electric field detection antenna (3) and is configured to amplify and filter the fast electric field induction signal collected by the fast electric field detection antenna (3);
the slow electric field signal sampler (6) is connected with the slow electric field detection antenna (5) and is configured to collect analog signals of the slow electric field detection antenna (5);
the slow electric field signal processor (7) is connected with the slow electric field signal sampler (6) and is configured to process the analog signals in the slow electric field signal sampler (6) and convert the analog signals into digital signals;
a thunder and lightning monitoring and positioning control box (2), wherein the thunder and lightning monitoring and positioning control box (2) comprises a GPS antenna (8), a fast electric field signal sampler (9), a fast electric field signal processor (10), a remote communicator (11), a remote controller (12) and a local controller (13),
the GPS antenna (8) is arranged at the top of the lightning monitoring and positioning control box (2);
the fast electric field signal sampler (9) is connected with the fast electric field signal amplifier (4) and is configured to collect the signal amplified by the fast electric field signal amplifier (4) into a local memory and convert the signal into a digital signal;
the fast electric field signal processor (10) is connected with the fast electric field signal sampler (9) and is configured to process the digital signals in the fast electric field signal sampler (9), compress the effective signal files and store the effective signal files in a local memory;
the remote communicator (11) is connected with the slow electric field signal processor (7), the fast electric field signal processor (10) and the server, and is configured to bear the communication work of the signal processor and the server and upload data to the server in real time;
the remote controller (12) is connected with the fast electric field signal sampler (9) and the fast electric field signal processor (10) and is configured to execute restarting operation after the core equipment of the lightning early warning locator fails;
the local controller (13) is connected with the slow electric field signal processor (7) and the fast electric field signal processor (10) and is configured to output three paths of early warning.
2. The novel combined lightning early warning locator according to claim 1, wherein the fast electric field detection antenna (3) is a flat antenna and is arranged in parallel with the ground; the slow electric field detection antenna (5) is an atmospheric electric field detection antenna, and the atmospheric electric field detection antenna is a field mill type detection antenna.
3. A novel combined lightning early warning locator according to claim 1, characterized in that the fast electric field signal amplifier (4) comprises a fast electric field operational amplifier and a fast electric field filter circuit, the fast electric field operational amplifier being connected to the fast electric field detection antenna (3), the fast electric field filter circuit being connected in the fast electric field operational amplifier circuit.
4. A novel combined lightning early warning locator according to claim 1, characterized in that the slow electric field signal sampler (6) comprises a slow electric field operational amplifier, a slow electric field filter circuit, a phase sensitive detection circuit and a phase detection circuit, the slow electric field operational amplifier is connected with the slow electric field detection antenna (5), the slow electric field filter circuit is connected between the slow electric field operational amplifier circuit and the phase sensitive detection circuit, and the phase detection circuit is connected with the slow electric field detection antenna (5).
5. A novel combined lightning early warning locator according to claim 1, characterized in that the slow electric field signal processor (7) comprises an analog to digital conversion circuit connected with an integration circuit configured to convert the collected analog signals into digital signals.
6. The novel combined lightning early warning locator according to claim 1, wherein the fast electric field signal sampler (9) comprises a digital-to-analog conversion circuit with a signal sampling rate of 1-25MHz and a GPS time service circuit connected to the GPS antenna (8) and the fast electric field signal sampler (9) and configured to provide precise time to the fast electric field signal sampler (9).
7. A novel combined lightning early warning locator according to claim 1, characterized in that the fast electric field signal processor (10) comprises a digital signal acquisition circuit and a digital signal storage circuit, the digital signal acquisition circuit is connected with the fast electric field signal sampler (9) and is configured to read lightning data in the fast electric field signal sampler (9); the digital signal storage circuit is connected with a CPU in the fast electric field signal processor (10) and is configured to store lightning data.
8. A novel combined lightning early warning locator according to claim 1, characterized in that the remote communicator (11) comprises a Wifi communication circuit, which is wirelessly connected to the fast electric field signal processor (10) and the slow electric field signal processor (7) and is configured to transmit the lightning early warning locating information stored in the signal processing circuit to the server.
9. A novel combined lightning early warning locator according to claim 1, characterized in that the remote controller (12) comprises a wireless communication circuit and a control circuit, the wireless communication circuit is connected with the remote communicator (11) and is configured to be connected with a wireless public network; the control circuit is connected with the fast electric field signal sampler (9) and the fast electric field signal processor (10) and is configured to be remotely restarted when the fast electric field signal sampler (9) or the fast electric field signal processor (10) is abnormal.
10. A novel combined lightning early warning locator according to claim 1, characterized in that the local controller (13) comprises a local control output circuit connected to the slow (7) and fast (10) field signal processors and configured to locally output the early warning signal.
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| CN202011012513.6A CN111983334A (en) | 2020-09-23 | 2020-09-23 | Novel combination thunder and lightning early warning locater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113758A (en) * | 2021-04-23 | 2021-07-13 | 江苏春雷检测有限公司 | Building lightning protection system and method based on intelligent lightning early warning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113758A (en) * | 2021-04-23 | 2021-07-13 | 江苏春雷检测有限公司 | Building lightning protection system and method based on intelligent lightning early warning device |
| CN113113758B (en) * | 2021-04-23 | 2024-02-23 | 江苏春雷检测有限公司 | Building lightning protection system and method based on intelligent lightning early warning device |
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