CN103713338A - Thunderstorm day automatic recording system applied to meteorological station and recording method thereof - Google Patents
Thunderstorm day automatic recording system applied to meteorological station and recording method thereof Download PDFInfo
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Abstract
Provided are a thunderstorm day automatic recording system applied to a meteorological station and a recording method thereof. The system comprises one or more thunderstorm day automatic recording devices and a remote server. Each thunderstorm day automatic recording device comprises an electrical field planar antenna, a microphone array, a solar cell panel, a GPS antenna, a terminal and a support, wherein the electrical field planar antenna, the microphone array, the solar cell panel, the GPS antenna and the terminal are all mounted on the support. Each microphone array is composed of a plurality of microphones which are symmetrically and evenly distributed on a planar circular array around the support by a certain distance. The thunderstorm day automatic recording devices are in communication with a 3G network through a 3G communication module, and meanwhile the remote server is connected to the 3G network through an INTERNET. The thunderstorm day automatic recording system applied to the meteorological station has the advantages that the happening time and the direction of thunderstorms are automatically recorded, thunderstorm data are sent to the remote server, the starting and stopping time and the starting and stopping direction of each thunderstorm process are counted by the remote server, the year thunderstorm days in an area under administration of an observation station are calculated, the cost is low, and simpleness and reliability are achieved.
Description
Technical field
The present invention relates to nature lightning Monitoring and protection technical field, particularly a kind of automatic production record and recording method thereof in thunderstorm day that is applied to meteorological station.
Background technology
As important foundation data of existing lightening protection engineering field and weather service, lightning parameter (as thunderstorm day, thunder and lightning frequency, thunder and lightning density etc.) can directly show the strong and weak feature of a certain region lightening activity.And parameter in thunderstorm day is wherein at present uniquely to have long record and in the widely used basic data of existing engineering field, have important value.In < < Code for design of lightning protection of buildings > > (GB50057-2010), be just widely used this parameter in thunderstorm day, as:
" the annual density of the earth that is A.0.2 struck by lightning, first should determine by local observatory, the data of standing; If without this data, can be calculated as follows.
Ng=0.1×Td (A.0.2)
In formula: Td-annual thunderstorm day, determine (d/a) according to local observatory, the data of standing.”
According to applicant's inquiry, know < < surface weather observation standard > > the 4th part: in weather phenomenon observation (QX/T48-2007), the recording mode in thunderstorm day is stipulated:
" (9) thunderstorm should be differentiated its system from integral body, records its beginning and ending time and beginning, termination direction, must guard against messy record ".
The observation of thunderstorm normally relies on observation person whether to hear that thunder records time of origin and the relative orientation of thunderstorm with record, as long as hear in 1 day 1 time or above thunder counts 1 thunderstorm day, i.e. and artificial thunderstorm day.The artificial subjective judgement that depends on observation person thunderstorm day, relevant with environment to thunder susceptibility, hearing ability, landform of living in him.External scientific research shows, the people that hearing is good can hear the thunder beyond 20km, and the thunder of the people 5km place generation that hearing is bad all be can't hear, thereby caused the mode in existing manual record thunderstorm day objective and accurate not.Meanwhile, in the general weather station of country, owing to there is no 24h watch system, nocturnal thunder and lightning is easy to error of omission, also can cause thunderstorm days to be less than the number of days of actual generation thunder and lightning.So be badly in need of a kind of method and apparatus that automatically records thunderstorm day, substitute manual record.
The application documents of number of patent application 201110000685.6 provide the device in a kind of automatic thunderstorm day in record year, can automatically record time and number of times that thunderstorm occurs, and by the thunderstorm day in year in area under one's jurisdiction, software calculating observation station.And according to the requirement of < < surface weather observation standard > >, the defect of this device is just, this device lacks method and the function of distinguishing thunderstorm orientation, so, can not play the manual record effect in thunderstorm day that substitutes.
Separately according to the knowledge of the applicant, in document < < Statistical Method of Thunderstorm Day > >, use gridding method to add up lightning location system automatic monitoring data, realized the unartificial statistics to parameter in thunderstorm day.But no matter be the lightning protection engineering data in thunderstorm day used such as Lightning Disaster risk assessment or selecting address on building, all require the Climatological mean situation on reflecting history, therefore will use monitoring materials for many years.The defect of the method is just, the year number of zonal thunder and lightning navigation data accumulation is short, the reference under existing lightning Protection Design rules for ease of weather service and lightening protection engineering field, still need with meteorological thunderstorm day data prolongation gridding method analyze the data in thunderstorm day that thunder and lightning navigation data obtains, and the data in meteorological thunderstorm day of long-term accumulation is unique scale of determining that in gridding method, sizing grid is chosen.In addition, gridding method can not be avoided the irrationality of part meteorological station observation station in grid edge.
The parameter in thunderstorm day of long-term accumulation has important value for Lightning Protection Engineering Design and meteorological historical data research, and lightning parameter that in the future also can be new with other is also deposited.Therefore, improve its monitoring means, improving its statistical method is top priority.
Summary of the invention
The technical problem to be solved in the present invention is, for existing lightning monitoring above shortcomings, a kind of automatic production record and recording method thereof in thunderstorm day that is applied to meteorological station is provided, automatically record time of origin and the orientation of thunder and lightning, and lightning data is sent to remote server, remote server counts beginning and ending time of each Thundercloud and beginning, termination direction, and can calculate the thunderstorm day in year in area under one's jurisdiction, research station.
The present invention solves the problems of the technologies described above adopted technical scheme to be:
Be applied to an automatic production record in thunderstorm day for meteorological station, comprise a self-recording unit and remote server in one or more in thunderstorm day,
Described thunderstorm day, self-recording unit comprised electric field plate aerial, microphone array, solar panel, gps antenna, terminal and support, and described electric field plate aerial, microphone array, solar panel, gps antenna, terminal are installed on support, electric field signal when described electric field plate aerial occurs for surveying thunder and lightning, the microphone that described microphone array is evenly distributed on the planar rondure array of described support certain distance by several symmetries forms, described terminal comprises modulate circuit, single-shot trigger circuit, AND circuit, power-supply controller of electric module, accumulator and communications records unit, described modulate circuit is comprised of amplifier and wave filter, described communications records unit is by gps time module, central processing module, 3G communication module and memory module form, described electric field plate aerial is through modulate circuit, single-shot trigger circuit is connected with an input end of each AND circuit, described each microphone array passes through respectively modulate circuit, single-shot trigger circuit connects with another input end of a corresponding road AND circuit, the output terminal of each AND circuit is all connected to central processing module, described gps antenna is connected with central processing module by gps time module, described solar panel is connected with central processing module by power-supply controller of electric module respectively with accumulator, described 3G communication module is connected with central processing module respectively with memory module,
Described thunderstorm day, self-recording unit was communicated by letter with 3G network by 3G communication module, simultaneously, described remote server is connected to 3G network by INTERNET network, for receiving the thunderstorm data that current each thunderstorm day, self-recording unit was uploaded and calling and check the historical data that is kept at self-recording unit in described thunderstorm day.
Press such scheme, described thunderstorm day, self-recording unit was set up in the observation station of each meteorological station according to networking plan, and each, self-recording unit was all set unique identification code in thunderstorm day.
Press such scheme, the microphone that described microphone array is 15Hz～20kHz by 8 frequency ranges forms, and 1-8# microphone symmetry is evenly distributed (angle is 45 ° between two) in the planar rondure array distal portion around described support radius 0.5m.
Press such scheme, described 1-8# microphone is by arranged clockwise, 1# microphone is positioned at over against north orientation, 2# microphone over against North-East Bound, 3# microphone over against east orientation, 4# microphone over against the southeast to, 5# microphone over against south orientation, 6# microphone over against southwest to, 7# microphone over against west to, 8# microphone over against north-westward.
The present invention also provides a kind of above-mentioned thunderstorm day automatic production record of utilizing to carry out self registering method in thunderstorm day, and the method comprises the following steps:
1) when having thunder and lightning to occur, electric field plate aerial receives the electric field signal producing when thunder and lighting process occurs, electric field signal is after the amplification of modulate circuit, filtering operation, enter the single-shot trigger circuit being connected with modulate circuit, once surpass the predefined activation threshold value of single-shot trigger circuit, single-shot trigger circuit just output duration t+5V window level signal gives the AND circuit being attached thereto;
2) after thunder and lightning electric field signal receives, the accurate microphone in 8 tunnels of microphone array also receives thunder signal, thunder signal is respectively after the amplification of the corresponding connected modulate circuit of Yu Ge road microphone, filtering operation, enter respectively the single-shot trigger circuit being connected with modulate circuit, once surpass the predefined activation threshold value of single-shot trigger circuit, single-shot trigger circuit just output duration be 300ms+5V window level signal gives the AND circuit being attached thereto;
3) 8 tunnels because of the 300ms of thunder signal triggering for generating+5V window level and because of the duration t of thunder and lightning electric field signal triggering for generating+5V window level is respectively through after a road AND circuit, enter central processing module, once central processing module detects the input end being connected with 8 tunnel AND circuit, there is rising edge signal to produce, just recorded respectively for 8 road window level rising edge GPS stamp times constantly;
4), based on 8 road GPS stamp times, central processing module, by the thunder and lightning orientation analysis algorithm writing, automatically calculates beginning and ending time and the orientation of this thunder and lightning generation, and with certain data layout, is saved in the memory module of described communications records unit.
Press such scheme, the span of described t is determined according to the distance between meteorological station or networking plan: will between thunderstorm day self-recording unit in meteorological station or other networking plans, set up distance divided by the velocity of propagation of sound, can obtain the value of t, wherein, the velocity of propagation of sound is got 340m/s.
Press such scheme, the described GPS stamp time, when central processing module receives respectively 8 road rising edge signals, the sequencing output trigger pip that enters central processing module by rising edge signal is to gps time module, gps time module provides accurate gps time this moment, form is: 130808092955.154376541, represent 13 on August 8,9: 29: 55, and be accurate to 10
-9s.
Press such scheme, described thunder and lightning orientation analysis algorithm is as follows: first, 8 road GPS stamp times were compared, obtain the Yi road GPS stamp time the earliest, this stamp time is the initial time of origin of thunder and lightning; Then, finding this road GPS stamp time corresponding is which input in No. 8 microphones, according to the microphone of thunderstorm day, self-recording unit set up time agreement, points to, and obtains the orientation of this thunder and lightning.
Beneficial effect of the present invention:
1, a kind of self-recording unit in thunderstorm day that is applied to meteorological station is simple in structure, compact, with low cost, adopt 3G wireless network to carry out data transmission, utilize sun power self-powered, can be set up in easily the meteorological station that need to obtain thunderstorm days certificate and carry out long-term Continuous Observation;
The electric field signal of following while 2, utilizing thunder and lightning to occur and thunder signal, as criterion, just carry out record when two kinds of signals occur simultaneously, improved the accuracy of data;
3, the self-recording unit in thunderstorm day that is distributed in each meteorological station carries out networking observation, can realize the year parametric statistics in thunderstorm day in a certain region;
4, because of electric field signal trigger+5V window level duration t can set flexibly according to networking plan, can effectively improve areal coverage and avoid Data duplication rate.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of self-recording unit in thunderstorm day of the present invention;
Fig. 2 is the functional-block diagram of self-recording unit in thunderstorm day of the present invention;
Fig. 3 be the present invention be applied to meteorological station thunderstorm day automatic production record general frame figure;
Fig. 4 is the workflow diagram of automatic record method in thunderstorm day of the present invention;
Fig. 5 is that thunder signal of the present invention triggers initial time resolution principle figure;
Fig. 6 is thunder and lightning direction deciding schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is further described in detail.
Referring to Fig. 1～Fig. 2, thunderstorm day of the present invention, self-recording unit 1 comprised: electric field plate aerial 1.1, microphone array 1.2, solar panel 1.3, gps antenna 1.4, terminal 1.5 and support 1.6, and described electric field plate aerial 1.1, microphone array 1.2, solar panel 1.3, gps antenna 1.4, terminal 1.5 are installed on support 1.6, electric field signal when described electric field plate aerial 1.1 occurs for surveying thunder and lightning, the accurate microphone that described microphone array 1.2 is 15Hz～20kHz by 8 frequency ranges forms, 1-8# microphone symmetry is evenly distributed (angle is 45 ° between two) in the planar rondure array distal portion around support 1.6 radius 0.5m, described terminal 1.5 comprises modulate circuit 1.5.1, single-shot trigger circuit 1.5.2, AND circuit 1.5.3, power-supply controller of electric module 1.5.4, accumulator 1.5.5 and communications records unit 1.5.6, described modulate circuit 1.5.1 is comprised of amplifier and wave filter, described communications records unit 1.5.6 is by gps time module 1.5.7, central processing module 1.5.8, 3G communication module 1.5.9 and memory module 1.5.10 form, described electric field plate aerial 1.1 is through modulate circuit 1.5.1, single-shot trigger circuit 1.5.2 is connected with an input end of each AND circuit 1.5.3, described each microphone array 1.2 passes through respectively modulate circuit 1.5.1, another input end of single-shot trigger circuit 1.5.2 and a corresponding road AND circuit 1.5.3 connects that (output terminal of modulate circuit 1.5.1 is connected with the output terminal of single-shot trigger circuit 1.5.2, the output terminal of single-shot trigger circuit 1.5.2 is connected with the input end of AND circuit 1.5.3), the output terminal of each AND circuit 1.5.3 is all connected to central processing module 1.5.8, described gps antenna 1.4 is connected with central processing module 1.5.8 by gps time module 1.5.7, described solar panel 1.3 and accumulator 1.5.5 are connected with central processing module 1.5.8 by power-supply controller of electric module 1.5.4 respectively that (solar energy that described solar panel 1.3 receives is converted into electric energy and charges by described power-supply controller of electric module 1.5.4 accumulators 1.5.5, this power-supply controller of electric module 1.5.4 controls the output voltage of accumulator 1.5.5 and prevents super-charge super-discharge, by central processing module 1.5.8 for thunderstorm day self-recording unit 1 provide working power), described 3G communication module 1.5.9 is connected with central processing module 1.5.8 respectively with memory module 1.5.10.
With reference to Fig. 3, the Thunderstorm Day automatic production record that is applied to meteorological station of the present invention, comprise a self-recording unit 1 and remote server 2 in one or more in thunderstorm day, described thunderstorm day, self-recording unit 1 was according to networking plan when the observation station of each meteorological station selects suitable position to set up, and each, 1# microphone of self-recording unit pointed to positive north in thunderstorm day, and 1 set unique identification code 1 to respectively each self-recording unit in thunderstorm day, 2,3 ..., n, described thunderstorm day, self-recording unit 1 was communicated by letter with 3G network 4 by 3G communication module 1.5.9, simultaneously, described remote server 2 is connected to 3G network 4 by INTERNET network 3, for receiving thunderstorm data and the duty that current each, self-recording unit 1 was uploaded in thunderstorm day, and call and check that the historical data 3G communication module 1.5.9 being kept in self-recording unit 1 in described thunderstorm day communicates by letter with 3G network 4, for by thunderstorm day self-recording unit 1 lightning data send to remote server 2, finally pass through statistics program, obtain beginning and ending time and the beginning of this Thundercloud, stop direction, by the thunderstorm days certificate of described remote server 2 long-term accumulation, obtain the parameters such as thunderstorm day in year in a certain region.
The span of described t is determined according to the distance between meteorological station or networking plan: will between thunderstorm day self-recording unit in meteorological station or other networking plans, set up distance divided by the velocity of propagation of sound, can obtain the value of t, wherein, the velocity of propagation of sound is got 340m/s.
Shown in Fig. 4, thunderstorm day of the present invention, automatic production record carried out the workflow diagram of automatic record method:
1) when having thunder and lightning to occur, electric field plate aerial 1.1 receives the electric field signal producing when thunder and lighting process occurs, electric field signal is after the amplification of the modulate circuit 1.5.1 that is connected with electric field plate aerial 1.1, filtering operation, enter the single-shot trigger circuit 1.5.2 being connected with modulate circuit 1.5.1, once surpass the predefined activation threshold value of single-shot trigger circuit 1.5.2, single-shot trigger circuit 1.5.2 just output duration t+5V window level signal gives the AND circuit 1.5.3 being attached thereto;
2) after thunder and lightning electric field signal receives, the accurate microphone in 8 tunnels of microphone array 1.2 also receives thunder signal, thunder signal is respectively after the amplification of the corresponding connected modulate circuit 1.5.1 of Yu Ge road microphone, filtering operation, enter respectively the single-shot trigger circuit 1.5.2 being connected with modulate circuit 1.5.1, once surpass the predefined activation threshold value of single-shot trigger circuit 1.5.2, single-shot trigger circuit 1.5.2 just output duration be 300ms+5V window level signal gives the AND circuit 1.5.3 being attached thereto;
3) 8 tunnels because of the 300ms of thunder signal triggering for generating+5V window level and because of the duration t of thunder and lightning electric field signal triggering for generating+5V window level is respectively through after a road AND circuit 1.5.3, enter central processing module 1.5.8, once central processing module 1.5.8 detects the input end being connected with 8 tunnel AND circuit 1.5.3, there is rising edge signal to produce, just recorded respectively for 8 road window level rising edge GPS stamp times constantly;
4) based on 8 road GPS stamp times, central processing module 1.5.8 is by the thunder and lightning orientation analysis algorithm writing, automatically calculate beginning and ending time and the orientation of this thunder and lightning generation, and with certain data layout, be saved in the memory module 1.5.10 of described communications records unit 1.5.6.
The described GPS stamp time, when central processing module 1.5.8 receives respectively 8 road rising edge signals, the sequencing output trigger pip that enters central processing module 1.5.8 by rising edge signal is to gps time module 1.5.7, gps time module 1.5.7 provides accurate gps time this moment, form is: 130808092955.154376541, represent 13 on August 8,9: 29: 55, be accurate to 10
-9s.
Described thunder and lightning orientation analysis algorithm is as follows: first, 8 road GPS stamp times were compared, obtain the Yi road GPS stamp time the earliest, this stamp time is the initial time of origin of thunder and lightning; Then, finding this road GPS stamp time corresponding is which input in No. 8 microphones, and the microphone of agreement points to when thunderstorm day, self-recording unit 1 set up, and obtains the orientation of this thunder and lightning.
Fig. 5 is that thunder signal of the present invention triggers initial time resolution principle figure, as principle introduction, take 1# microphone signal and 2# microphone signal is example, after the thunder signal that 1# microphone receives operates through amplify and filtering etc., enter into single-shot trigger circuit 1.5.2, once the amplitude of the 1st road thunder signal 4.1 after treatment surpasses the activation threshold value voltage setting in advance in single-shot trigger circuit 1.5.2, single-shot trigger circuit 1.5.2 just export continue 300ms and+the window level signal 4.3 of 5V, trigger and be designated as t constantly
1after the thunder signal that 2# microphone receives operates through amplify and filtering etc., enter into single-shot trigger circuit 1.5.2, once the amplitude of the 2nd road thunder signal 4.2 after treatment surpasses the activation threshold value voltage setting in advance in single-shot trigger circuit 1.5.2, single-shot trigger circuit 1.5.2 just export continue 300ms and+the window level signal 4.4 of 5V, trigger and be designated as t constantly
2, the t here
1, t
2represent that different triggerings constantly, does not represent the concrete triggered time, the acquisition methods of the thunder signal triggering initial time that all the other No. 6 microphones (6-8# microphone) receive is similar.
Fig. 6 is thunder and lightning direction deciding schematic diagram of the present invention, this figure has embodied the arrangement mode of actual microphone array, 1-8# microphone is evenly distributed (angle is 45 ° between two) in the distal portion of the planar rondure array that is 0.5m around support 1.5 radiuses, by arranged clockwise, 1# microphone is positioned at over against north orientation, 2# microphone over against North-East Bound, 3# microphone over against east orientation, 4# microphone over against the southeast to, 5# microphone over against south orientation, 6# microphone over against southwest to, 7# microphone over against west to, 8# microphone over against north-westward; Thunder and lightning from certain orientation, owing to arriving the distance of 8 microphones, be different, and in the distance of 1 meter of diameter, can think that the speed of thunder is certain, it is just different that thunder arrives time of each microphone so, and must be that microphone nearer apart from thunder and lightning generation orientation first received thunder signal, like this, that microphone orientation pointed of receiving at first thunder signal is thunder and lightning orientation, receives that the time of thunder signal is thunder and lightning time of origin.
The 1/8 folded thunder and lightning direction deciding situation of justifying region (being these two folded regions of ray of Od and Oc) of 1# microphone (figure mid point d position) and 2# microphone (figure mid point c position) and support 1.6 centers (center of circle O) of take is example: suppose that thunder and lightning betides b point (right side of the center line Oa line of these two rays of Od and Oc), the distance between thunder and lightning and 1# microphone is bd, distance between thunder and lightning and 2# microphone is bc, dc is the distance between 1# microphone and 2# microphone, and Oa ray is vertically divided dc equally in an O
1, with a b, do the perpendicular line of dc line in an O
2, O
2the length of d is greater than O
2c, known according to Pythagorean theorem, the length of bd is greater than bc, known, and the thunder on center line Oa line right side all will arrive 2# microphone at first, and the thunder in center line Oa line left side all will arrive 1# microphone at first, and other 7 1/8 round region situations are similar.
There is the special situation of a class need to do special agreement, here the situation of 1# microphone and 2# microphone of take is example introduction: if the orientation of thunder and lightning comes from this line of Oa and extended line thereof, be on the center line of these two lines of Od and Oc, thunder on this line arrives 1# microphone and 2# microphone at first and simultaneously, the orientation of arranging the thunder on 1# microphone and 2# microphone center line is here attributed to northeast face, still according to clockwise setting, successively: the orientation of the thunder on 2# microphone and 3# microphone center line is attributed in the east, the orientation of the thunder on 3# microphone and 4# microphone center line is attributed to the southeast, the orientation of the thunder on 4# microphone and 5# microphone center line is attributed to the south, the orientation of the thunder on 5# microphone and 6# microphone center line is attributed to southwestern face, the orientation of the thunder on 6# microphone and 7# microphone center line is attributed to west, the orientation of the thunder on 7# microphone and 8# microphone center line is attributed to the northwest, the orientation of the thunder on 8# microphone and 1# microphone center line is attributed to north.Adopt in this case the direction of the more convenient differentiation thunder and lightning of above-mentioned direction setting and do not cause and obscure.
The above is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction; those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, and equivalent variations or modification, all drop in protection scope of the present invention.
Claims (8)
1. an automatic production record in thunderstorm day that is applied to meteorological station, is characterized in that: comprise a self-recording unit and remote server in one or more in thunderstorm day,
Described thunderstorm day, self-recording unit comprised electric field plate aerial, microphone array, solar panel, gps antenna, terminal and support, and described electric field plate aerial, microphone array, solar panel, gps antenna, terminal are installed on support, electric field signal when described electric field plate aerial occurs for surveying thunder and lightning, the microphone that described microphone array is evenly distributed on the planar rondure array of described support certain distance by several symmetries forms, described terminal comprises modulate circuit, single-shot trigger circuit, AND circuit, power-supply controller of electric module, accumulator and communications records unit, described modulate circuit is comprised of amplifier and wave filter, described communications records unit is by gps time module, central processing module, 3G communication module and memory module form, described electric field plate aerial is through modulate circuit, single-shot trigger circuit is connected with an input end of each AND circuit, described each microphone array passes through respectively modulate circuit, single-shot trigger circuit connects with another input end of a corresponding road AND circuit, the output terminal of each AND circuit is all connected to central processing module, described gps antenna is connected with central processing module by gps time module, described solar panel is connected with central processing module by power-supply controller of electric module respectively with accumulator, described 3G communication module is connected with central processing module respectively with memory module,
Described thunderstorm day, self-recording unit was communicated by letter with 3G network by 3G communication module, simultaneously, described remote server is connected to 3G network by INTERNET network, for receiving the thunderstorm data that current each thunderstorm day, self-recording unit was uploaded and calling and check the historical data that is kept at self-recording unit in described thunderstorm day.
2. the automatic production record in thunderstorm day that is applied to meteorological station as claimed in claim 1, it is characterized in that: described thunderstorm day, self-recording unit was set up in the observation station of each meteorological station according to networking plan, and each, self-recording unit was all set unique identification code in thunderstorm day.
3. the automatic production record in thunderstorm day that is applied to meteorological station as claimed in claim 1, it is characterized in that: the microphone that described microphone array is 15Hz～20kHz by 8 frequency ranges forms, 1-8# microphone symmetry is evenly distributed in the planar rondure array distal portion around described support radius 0.5m.
4. the automatic production record in thunderstorm day that is applied to meteorological station as claimed in claim 3, it is characterized in that: described 1-8# microphone is by arranged clockwise, 1# microphone is positioned at over against north orientation, 2# microphone over against North-East Bound, 3# microphone over against east orientation, 4# microphone over against the southeast to, 5# microphone over against south orientation, 6# microphone over against southwest to, 7# microphone over against west to, 8# microphone over against north-westward.
5. utilize the claims 1～4 automatic production record in one of any described thunderstorm day to carry out a self registering method in thunderstorm day, it is characterized in that: the method comprises the following steps:
1) when having thunder and lightning to occur, electric field plate aerial receives the electric field signal producing when thunder and lighting process occurs, electric field signal is after the amplification of the modulate circuit that is connected with electric field plate aerial, filtering operation, enter the single-shot trigger circuit being connected with modulate circuit, once surpass the predefined activation threshold value of single-shot trigger circuit, single-shot trigger circuit just output duration t+5V window level signal gives the AND circuit being attached thereto;
2) after thunder and lightning electric field signal receives, the accurate microphone in 8 tunnels of microphone array also receives thunder signal, thunder signal is respectively after the amplification of the corresponding connected modulate circuit of Yu Ge road microphone, filtering operation, enter respectively the single-shot trigger circuit being connected with modulate circuit, once surpass the predefined activation threshold value of single-shot trigger circuit, single-shot trigger circuit just output duration be 300ms+5V window level signal gives the AND circuit being attached thereto;
3) 8 tunnels because of the 300ms of thunder signal triggering for generating+5V window level and because of the duration t of thunder and lightning electric field signal triggering for generating+5V window level is respectively through after a road AND circuit, enter central processing module, once central processing module detects the input end being connected with 8 tunnel AND circuit, there is rising edge signal to produce, just recorded respectively for 8 road window level rising edge GPS stamp times constantly;
4), based on 8 road GPS stamp times, central processing module, by the thunder and lightning orientation analysis algorithm writing, automatically calculates beginning and ending time and the orientation of this thunder and lightning generation, and with certain data layout, is saved in the memory module of described communications records unit.
Thunderstorm day as claimed in claim 5 automatic record method, it is characterized in that: the span of described t is determined according to the distance between meteorological station or networking plan: will between thunderstorm day self-recording unit in meteorological station or other networking plans, set up distance divided by the velocity of propagation of sound, can obtain the value of t, wherein, the velocity of propagation of sound is got 340m/s.
Thunderstorm day as claimed in claim 5 automatic record method, it is characterized in that: the described GPS stamp time, when central processing module receives respectively 8 road rising edge signals, the sequencing output trigger pip that enters central processing module by rising edge signal is to gps time module, gps time module provides accurate gps time this moment, form is: 130808092955.154376541, represent 13 on August 8,9: 29: 55, and be accurate to 10
-9s.
Thunderstorm day as claimed in claim 5 automatic record method, it is characterized in that: described thunder and lightning orientation analysis algorithm is as follows: first, 8 road GPS stamp times were compared, obtain the Yi road GPS stamp time the earliest, this stamp time is the initial time of origin of thunder and lightning; Then, finding this road GPS stamp time corresponding is which input in No. 8 microphones, according to the microphone of thunderstorm day, self-recording unit set up time agreement, points to, and obtains the orientation of this thunder and lightning.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023177A (en) * | 2016-05-14 | 2016-10-12 | 吉林大学 | Thunderstorm cloud cluster identification method and system for meteorological satellite cloud picture |
| CN106842179A (en) * | 2016-12-23 | 2017-06-13 | 成都赫尔墨斯科技有限公司 | A kind of anti-UAS based on acoustic detection |
| CN114325569A (en) * | 2022-03-02 | 2022-04-12 | 广州国睿电子科技有限公司 | Thunder and lightning detection device |
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| CN203858379U (en) * | 2013-12-31 | 2014-10-01 | 国网电力科学研究院武汉南瑞有限责任公司 | Thunderstorm day automatic recording system applied to meteorological station |
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| JPH02165092A (en) * | 1988-12-19 | 1990-06-26 | Kyushu Electric Power Co Inc | Forecasting of thunderbolt by distribution line thunderbolt surge information |
| CN102141588A (en) * | 2011-01-05 | 2011-08-03 | 南京信息工程大学 | Device capable of automatically recording thunderstorm days every year |
| CN102186008A (en) * | 2011-03-18 | 2011-09-14 | 中国气象科学研究院 | All-in-view lightning event observation system and method |
| CN203101662U (en) * | 2012-05-16 | 2013-07-31 | 北京蓝湖空间科技发展中心 | Thunderstorm weather phenomenon instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106023177A (en) * | 2016-05-14 | 2016-10-12 | 吉林大学 | Thunderstorm cloud cluster identification method and system for meteorological satellite cloud picture |
| CN106842179A (en) * | 2016-12-23 | 2017-06-13 | 成都赫尔墨斯科技有限公司 | A kind of anti-UAS based on acoustic detection |
| CN106842179B (en) * | 2016-12-23 | 2019-11-26 | 成都赫尔墨斯科技股份有限公司 | A kind of anti-UAV system based on acoustic detection |
| CN114325569A (en) * | 2022-03-02 | 2022-04-12 | 广州国睿电子科技有限公司 | Thunder and lightning detection device |
| CN114325569B (en) * | 2022-03-02 | 2022-06-17 | 广州国睿电子科技有限公司 | Thunder and lightning detection device |
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| CN103713338B (en) | 2015-08-19 |
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