CN105067898A - Device for lightning location - Google Patents
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- CN105067898A CN105067898A CN201510562865.1A CN201510562865A CN105067898A CN 105067898 A CN105067898 A CN 105067898A CN 201510562865 A CN201510562865 A CN 201510562865A CN 105067898 A CN105067898 A CN 105067898A
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Abstract
The invention discloses a device for lightning location. The device comprises a magnetic field detecting antenna and an electric field detecting antenna which are used for obtaining magnetic field induction signals and electric field induction signals respectively, a lightning signal processing circuit which is connected with the magnetic field detecting antenna and the electric field detecting antenna and is used for processing the magnetic field induction signals and the electric field induction signals respectively so as to obtain corresponding lightning digital signals, a feature attribute parameter extraction circuit which is connected with the lightning signal processing circuit and is used for extracting feature attribute parameters from the lightning digital signals, and a communication muddle which is connected with the feature attribute parameter extraction circuit and is used for sending out the feature attribute parameters. With the device adopted, quick and accurate collection of original lightning data samples can be realized, and thus, basis can be provided for a central station in lightning location and analysis.
Description
Technical field
The present invention relates to lighting location technical field, specifically, relate to a kind of device for lighting location.
Background technology
Thunder and lightning can not only cause forest, oil depot fire, can also cause power supply, communication system failure or damage, to Aero-Space, mine and some are important and the high tech equipment of sensitivity causes a significant threat.Thunder and lightning has instantaneity and randomness, and this also just adds the difficulty of lightning protection engineering design and lightning disturbance analysis.Lighting location technology then provides support for solving this difficult problem.
Lightning location system can obtain time of origin, the effective information such as generation position and intensity of lightning current etc. of thunder and lightning in real time, and these data are assessed most important to the inquiry of thunder calamity accident and Lightning Disaster.
Along with improving constantly of national economy and social development and technology, from disaster monitoring early warning and security standpoint, country has higher requirement to lightning monitoring, early warning and application.And existing lighting location instrument is of the remote past, current requirement cannot be met.
Summary of the invention
For solving the problem, the invention provides a kind of device for lighting location, comprising:
Detection of magnetic field antenna and electric field detecting antenna, it is respectively used to obtain magnetic field induction signal and electric field induction signal;
Thunder and lightning signal processing circuit, it is connected with described detection of magnetic field antenna and electric field detecting antenna, for processing described magnetic field induction signal and electric field induction signal respectively and obtaining corresponding digital thunder and lightning signal;
Characteristic attribute parameter extracts circuit, and it is connected with described thunder and lightning signal processing circuit, obtains characteristic attribute parameter for extracting from described digital thunder and lightning signal;
Communication module, it extracts circuit with described characteristic attribute parameter and is connected, for outwards being sent by described characteristic attribute parameter.
According to one embodiment of present invention, described detection of magnetic field antenna comprises the first detection of magnetic field antenna and the second detection of magnetic field antenna, and described first detection of magnetic field antenna and the second detection of magnetic field antenna are the antenna arranged along North and South direction and east-west direction orthogonal vertical for a pair.
According to one embodiment of present invention, described thunder and lightning signal processing circuit comprises:
First signal processing circuit, it is connected with described first detection of magnetic field antenna, and the first magnetic field induction signal for producing described first detection of magnetic field antenna processes and obtains corresponding digital signal;
Secondary signal treatment circuit, it is connected with described second detection of magnetic field antenna, and the second magnetic field induction signal for producing described second detection of magnetic field antenna processes and obtains corresponding digital signal.
According to one embodiment of present invention, described first signal processing circuit comprises:
Operational amplification circuit, it is connected with described first detection of magnetic field antenna;
Filtering circuit and integrating circuit, described filtering circuit is connected between described operational amplification circuit and described integrating circuit;
Analog to digital conversion circuit, it is connected with described integrating circuit.
According to one embodiment of present invention, described thunder and lightning signal processing circuit also comprises:
3rd signal processing circuit, it is connected with described electric field detecting antenna, and the electric field induction signal for producing described electric field detecting antenna processes and obtains corresponding digital signal.
According to one embodiment of present invention, described first signal processing circuit, secondary signal treatment circuit are identical with the structure of the 3rd signal processing circuit.
According to one embodiment of present invention, described device also comprises:
Self-checking circuit, it extracts circuit with described detection of magnetic field antenna, electric field detecting antenna and characteristic attribute parameter and is connected, corresponding thunder and lightning signal is simulated according to described self-test signal for generation of self-test signal, with by thunder and lightning signal described in described detection of magnetic field antenna and electric field detecting antenna response, described self-checking circuit extracts circuit by described characteristic attribute parameter and obtains characteristic of correspondence attribute parameter, and the feature of described self-test signal is mated with the characteristic attribute parameter obtained, the state of described device is judged according to matching result.
According to one embodiment of present invention, described self-checking circuit comprises:
Self-test signal generative circuit, it is for generation of self-test signal;
Thunder and lightning signal waveform mimic channel, it is connected with described self-test signal generative circuit, for simulating corresponding thunder and lightning signal according to described self-test signal;
Signal Matching circuit, it extracts circuit with described self-test signal generative circuit and characteristic attribute parameter and is connected, mate with described self-test signal for described characteristic attribute parameter is extracted the characteristic attribute parameter that described in Circuit responce, self-test signal obtains, and judge the state of described device according to matching result.
According to one embodiment of present invention, described thunder and lightning signal waveform mimic channel comprises thunder and lightning magnetic simulation circuit and thunder and lightning electric field simulation circuit.
According to one embodiment of present invention, described thunder and lightning magnetic simulation circuit comprises direction of current handover module and magnetic field self-inspection antenna, wherein, described direction of current handover module is connected with described self-test signal generative circuit, described magnetic field self-inspection antenna and described current switching model calling, simultaneously, described magnetic field self-inspection antenna also couples with described detection of magnetic field antenna, and described direction of current handover module is configured to the self-inspection sense of current of the control incision change of current through described magnetic field self-inspection antenna of the self-inspection clock signal in described self-test signal.
According to one embodiment of present invention, described thunder and lightning electric field simulation circuit comprises:
Bleeder circuit, it is connected with described self-test signal generative circuit, for generating the first voltage signal and the second voltage signal according to described self-test signal;
Voltage changer, it is connected with described bleeder circuit, for switching the output port of described first voltage signal and the second voltage signal;
Difference channel and electric field self-inspection antenna, described difference channel is connected between described voltage changer and electric field self-inspection antenna, and described electric field self-inspection antenna and described electric field detecting antenna couple.
According to one embodiment of present invention, described self-checking circuit also comprises:
Level shifting circuit, it is connected between described self-test signal generative circuit and thunder and lightning signal waveform mimic channel, for carrying out level conversion to described self-test signal, and the self-test signal after level conversion is transferred to described thunder and lightning signal waveform mimic channel.
According to one embodiment of present invention, described device also comprises:
Gps signal receiving circuit, it extracts circuit with described characteristic attribute parameter and is connected.
Device for lighting location provided by the present invention can realize the accurate acquisition of original lightning data sample, thus centered by station carry out lighting location and analysis provides foundation.Meanwhile, this device also has self-checking function, and it can improve the accurately fixed and reliability of the data that the reliability of device and device collect.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing shows the various embodiments of each aspect of the present invention, and they and instructions one are used from and explain principle of the present invention.Those skilled in the art understand, specific embodiment shown in the drawings is only exemplary, and they are not intended to limit the scope of the invention.Should be realized that, in some examples, the element be illustrated also can be designed as multiple element, or multiple element also can be designed as an element.In some examples, the element being shown as the internal part of another element also may be implemented as the external component of this another element, and vice versa.In order to clearly, in detail exemplary embodiment of the present invention understand more thorough to enable the advantage of those skilled in the art to each aspect of the present invention and feature thereof, existing accompanying drawing to be introduced, in the accompanying drawings:
Fig. 1 is according to an embodiment of the invention for the structural representation of the device of lighting location;
Fig. 2 is the structural representation of the first signal processing circuit according to an embodiment of the invention;
Fig. 3 is the structural representation of self-checking circuit according to an embodiment of the invention;
Fig. 4 is the structural representation of thunder and lightning magnetic simulation circuit according to an embodiment of the invention;
Fig. 5 is the structural representation of thunder and lightning electric field simulation circuit according to an embodiment of the invention.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical matters whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
Meanwhile, in the following description, many details have been set forth for illustrative purposes, to provide thorough understanding of embodiments of the invention.But, it will be apparent to those skilled in the art that the present invention can detail here or described ad hoc fashion implement.
Fig. 1 shows the structural representation of the device for lighting location that the present embodiment provides.The device 100 of lighting location is connected with central station 105, and it can gather the characteristic attribute parameter of thunder and lightning, and these characteristic attribute parameters are sent to central station 105, to be analyzed further by central station, thus determines the position of thunder and lightning.
Particularly, as shown in Figure 1, the device 100 for lighting location that the present embodiment provides comprises: Anneta module 101, thunder and lightning signal processing circuit 102, characteristic attribute parameter extract circuit 103 and communication module 104.Wherein, Anneta module 101 can produce response to thunder and lightning thus produce corresponding electric signal.Thunder and lightning signal processing circuit 102 is connected with Anneta module 101, and it can process the electric signal that Anneta module 101 produces, and finally obtains digital thunder and lightning signal.Feature symbolic animal of the birth year parameter extracts circuit 103 and is connected with thunder and lightning signal processing circuit 102, and it can extract required characteristic attribute parameter from the digital thunder and lightning signal that thunder and lightning signal processing circuit 102 generates.
Particularly, in the present embodiment, characteristic attribute parameter extracts the characteristic attribute parameter that extracts of circuit 103 and comprises: starting time, peak dot time, peak dot value, suddenly put time, the steep information such as point value and zero passage half time-of-week.It should be noted that, in other embodiments of the invention, characteristic attribute parameter extracts the characteristic attribute parameter that extracts of circuit 103 both can comprise any one in above lising or several, also can comprise the reasonable parameter that other are unlisted, the present invention is not limited thereto.
Characteristic attribute parameter extracts circuit 103 and is connected with communication module 104, and obtained characteristic attribute parameter can be sent to central station 105 by communication module 104 by it, to be further processed by central station 105.
Particularly, Anneta module comprises detection of magnetic field antenna 106 and electric field detecting antenna 107.Wherein, detection of magnetic field antenna 106 is for obtaining the magnetic field induction signal relevant with thunder and lightning magnetic field, and electric field detecting antenna 107 is for obtaining the electric field induction signal relevant with thunder and lightning electric field.Wherein, magnetic field induction signal may be used for positioning and extract lightning waveform character amount to thunder and lightning, and electric field induction signal can be used for the polarity reflecting thunder and lightning.
In the present embodiment, detection of magnetic field antenna 106 preferably adopts orthogonal ring induction antenna, namely comprises the first detection of magnetic field antenna 106a and the second detection of magnetic field antenna 106b.First detection of magnetic field antenna 106a and the second detection of magnetic field antenna 106b is the antenna placed along North and South direction and east-west direction orthogonal vertical for a pair.Electric field detecting antenna 107 is horizontal positioned.It should be noted that, in other embodiments of the invention, detection of magnetic field antenna 106 and electric field detecting antenna 107 can also adopt other rational forms to realize, and the present invention is not limited thereto.
As shown in Figure 1, corresponding to the structure of Anneta module 101, in the present embodiment, thunder and lightning signal processing circuit 102 comprises: the first signal processing circuit 102a, secondary signal treatment circuit 102b and the 3rd signal processing circuit 102c.Wherein, the first signal processing circuit 102a is connected with the first detection of magnetic field antenna 106a, and its first field signal that can produce the first detection of magnetic field antenna 106a carries out processing and finally obtains corresponding digital signal.Secondary signal treatment circuit 102b is connected with the second detection of magnetic field antenna 106b, and its second field signal that can produce the second detection of magnetic field antenna 106b carries out processing and finally obtains corresponding digital signal.3rd signal processing circuit 102c is connected with electric field detecting antenna 107, and its electric field signal that can produce electric field detecting antenna 107 carries out processing and finally obtains corresponding digital signal.
In the present embodiment, first signal processing circuit 102a, secondary signal treatment circuit 102b are identical with the circuit structure of the 3rd signal processing circuit 102c, therefore for convenience of description, for the first signal processing circuit 102a, the principle of work of thunder and lightning signal processing circuit is further described below.
Fig. 2 shows the structural representation of the first signal processing circuit 102a in the present embodiment.
As shown in Figure 2, in the present embodiment, the first signal processing circuit 102a comprises: operational amplification circuit 201, filtering circuit 202, integrating circuit 203 and analog to digital conversion circuit 204.Wherein, operational amplification circuit 201 is connected with the first detection of magnetic field antenna 106a, and the first field signal that the first detection of magnetic field antenna 106a produces can be carried out operation amplifier by it.It is to be noted, according to design objective requirement, the change in tens millivolts interval to a few volt of thunder and lightning dynamic range of signals, and thunder and lightning signal processing circuit 102 needs according to the size adjustment gain of input signal, thus to make thunder and lightning signal processing circuit can take into account closely and the remote thunder and lightning occurred.Therefore, in the present embodiment, the gain of operational amplification circuit 201 is adjustable.
Filtering circuit 202 is connected with operational amplification circuit 201.In the present embodiment, filtering circuit 203 preferably adopts low-pass filter circuit, other high frequency interference of filtering
Integrating circuit 203 is connected with filtering circuit 202, and it is reduced to magnetic field intensity signal for filtering circuit 202 being transmitted the induced voltage signal come.
Analog to digital conversion circuit 204 for integrating circuit 203 transmit the signal come and carry out analog to digital conversion, obtain corresponding digital signal, and this digital data transmission extracted in circuit 103 to characteristic attribute parameter.
It should be noted that, in other embodiments of the invention, thunder and lightning signal processing circuit 102 can also adopt other rational circuit forms, to complete amplification to the electric signal that Anneta module 101 produces, the processing procedure such as filtering and analog to digital conversion, the present invention is not limited thereto.
Characteristic attribute parameter extracts the various characteristic attribute parameters that circuit 103 mainly obtains variety classes thunder and lightning.Wherein, the characteristic attribute parameter obtained comprises: starting time, peak dot time, peak dot value, suddenly put time, steep point value and zero passage half time-of-week.
In the present embodiment, characteristic attribute parameter extracts the framework that circuit 103 adopts high-speed data treatment circuit.Concrete, characteristic attribute parameter extracts circuit 103 and has designed based on FPGA, and wherein, FPGA preferably adopts the EP4CE22 family chip of altera corp.Certainly, in other embodiments of the invention, characteristic attribute parameter extracts circuit 103 and other rational components and parts and circuit form can also be adopted to realize, and the present invention is not limited thereto.
Again as shown in Figure 1, the present embodiment provide for also including gps signal receiving circuit 109 in the device 100 of lighting location.Gps signal receiving circuit 109 and characteristic attribute parameter extract circuit 103 and are connected, and such characteristic attribute parameter extracts circuit 103 just can obtain current temporal information and positional information by gps signal receiving circuit 109.
In order to assurance device can normally work, the device 100 for lighting location that the present embodiment provides also has self-checking function.Particularly, as shown in Figure 1, this device realizes to this device by self-checking circuit 108 self-inspection.Self-checking circuit 108 extracts circuit 103 with detection of magnetic field antenna 106, electric field detecting antenna 107 and characteristic attribute parameter and is connected, it can produce self-test signal and simulate corresponding thunder and lightning signal according to this self-test signal, with by detection of magnetic field antenna and this thunder and lightning signal of electric field detecting antenna response.Meanwhile, self-checking circuit 108 can also extract circuit 103 by characteristic attribute parameter and obtain characteristic attribute parameter now.Self-checking circuit 108 is by judging whether self-test signal mates with the characteristic attribute parameter obtained, and carrys out the state of judgment means.
Particularly, as shown in Figure 3, in the present embodiment, self-checking circuit 108 comprises: self-test signal generative circuit 301, level shifting circuit 302, thunder and lightning signal waveform mimic channel 303 and Signal Matching circuit 304.Wherein, self-test signal generative circuit 301 can produce self-test signal, level shifting circuit can carry out level conversion to the self-test signal that self-test signal generative circuit 301 generates, and the self-test signal after level conversion is sent to thunder and lightning signal waveform mimic channel 303, to simulate corresponding thunder and lightning signal by thunder and lightning signal waveform mimic channel 303.
In the present embodiment, the maximum level of the self-test signal that self-test signal generative circuit 301 generates is 3.3V, then the maximum level of self-test signal can be converted to 15V by level shifting circuit 302.It should be noted that, in other embodiments of the invention, the maximum level of the self-test signal that self-test signal generative circuit 301 generates can also be other reasonable values, simultaneously, the maximum level of the signal that level shifting circuit 302 exports also for meeting other reasonable values of thunder and lightning signal waveform mimic channel 303, can the present invention is not limited thereto., also it is pointed out that in the case of necessary, can not also configure level shifting circuit 302 in self-checking circuit 108, the present invention is not limited thereto equally meanwhile.
Signal Matching circuit 304 extracts circuit 103 with self-test signal generative circuit 301 and characteristic attribute parameter and is connected, characteristic attribute parameter can be extracted circuit 103 and respond the characteristic attribute parameter that self-test signal obtains and mate with self-test signal by it, and according to the state of matching result judgment means.If characteristic attribute parameter is not mated with self-test signal, then show that this timer exists abnormal; If coupling, then show that this timer is normal.
It should be noted that, in different embodiments of the invention, self-test signal generative circuit 301 and Signal Matching circuit 304 both can be realized by different components and parts, also can be realized by same components and parts, the present invention is not limited thereto.
In the present embodiment, thunder and lightning signal imitation circuit 303 comprises thunder and lightning magnetic simulation circuit and thunder and lightning electric field simulation circuit, Fig. 4 and Fig. 5 respectively illustrates the structural representation of thunder and lightning magnetic simulation circuit and thunder and lightning electric field simulation circuit.
As shown in Figure 4, in the present embodiment, thunder and lightning magnetic simulation circuit comprises direction of current handover module 401 and magnetic field self-inspection antenna 402.Wherein, the input end of direction of current handover module 401 is connected with level shifting circuit 302, and output terminal is connected with magnetic field self-inspection antenna 402, and magnetic field self-inspection antenna 402 and detection of magnetic field antenna 106 couple.In the present embodiment, the control incision change of current of the self-inspection clock signal that direction of current change-over switch 401 can generate at self-test signal generative circuit 301 is through the sense of current of magnetic field self-inspection antenna 106, and the size of electric current is then determined by the amplitude control signal in self-test signal.
Particularly, as shown in Figure 4, in the present embodiment, direction of current handover module 401 comprises the first change-over switch 401a and the second change-over switch 401b.The control end of the first change-over switch 401a for receiving the first self-inspection clock signal Vctr1, its first external connection end for receiving the amplitude control signal in self-test signal, the second external connection end ground connection.Similarly, the control end of the second change-over switch 401b for receiving the second self-inspection clock signal Vctr2, its first external connection end for receiving the amplitude control signal in self-test signal, the second external connection end ground connection.
When the first change-over switch 401a according to the first self-inspection clock signal Vctr1 by its output port and the first external-connected port conducting time, now the second change-over switch 401b then according to the second self-inspection clock signal Vctr2 by its output port and the second external connection end conducting.Like this, the electric current flowing through magnetic field self-inspection antenna 402 just flows to B by A end and holds.
And when the first change-over switch 401a according to the first self-inspection clock signal Vctr1 by its output port and the second external-connected port conducting time, now the second change-over switch 401b then according to the second self-inspection clock signal Vctr2 by its output port and the first external-connected port conducting.Like this, the electric current flowing through magnetic field self-inspection antenna 402 just flows to A by B end and holds.
According to above-mentioned principle, just can be simulated the thunder and lightning of different orientations by different self-inspection clock signals, the intensity of this thunder and lightning is then determined by the amplitude control signal in self-test signal.
As shown in Figure 5, the thunder and lightning electric field simulation circuit that the present embodiment provides comprises: bleeder circuit 501, voltage changer 502, difference channel 503 and electric field self-inspection antenna 504.Wherein, bleeder circuit 501 is connected with level shifting circuit 302, and it can transmit according to level shifting circuit 302 self-test signal come and generate the first voltage signal V1 and and the second voltage signal V2.
Particularly, as shown in Figure 5, in the present embodiment, bleeder circuit 501 comprises the first resistance R1 and the second resistance R2 of series connection, and wherein, the first resistance R1 is connected with level shifting circuit 302, and the second resistance R2 is connected to ground.The first voltage signal V1 i.e. self-test signal that such division module 501 generates, the second voltage signal V2 is then the voltage signal of resistance R1 and resistance R2 common port.
It should be noted that, in other embodiments of the invention, bleeder circuit 501 can also adopt other rational components and parts or circuit form to realize, and the present invention is not limited thereto.
Voltage changer 502 can switch the output pin of the first voltage signal V1 and the second voltage signal V2, the signal that such difference channel 503 exports just converts between V1-V2 and V2-V1, thus the electric field that electric field self-inspection antenna 504 can be simulated can change direction.And the intensity of the electric field that electric field self-inspection antenna 504 simulates also just determined by the difference of the first voltage signal V1 and the second voltage signal V2.
In the present embodiment, the self-test signal generation unit in communication module 104 and self-checking circuit 108 is realized by ARM chip and peripheral circuit thereof.Certainly, in other embodiments of the invention, said apparatus can also adopt other Rationals to realize, and the present invention is not limited thereto.Such as in other embodiments of the invention, said apparatus both can the framework of DSP+CPU, also can adopt the framework of SoC, or be adopt the framework with the fpga chip of CPU.When adopting the framework of DSP+CPU, DSP mainly completes the function that realization character attribute parameter extracts, and CPU mainly realizes communication and self-checking function.
As can be seen from foregoing description, the device for lighting location that the present embodiment provides can realize quick, the accurate acquisition of original lightning data sample, thus centered by station carry out lighting location and analysis provides foundation, contribute to improving efficiency and promptness that thunder and lightning analyzes.Meanwhile, this device also has self-checking function, and it can improve the accurately fixed and reliability of the data that the reliability of device and device collect.
It should be understood that disclosed embodiment of this invention is not limited to ad hoc structure disclosed herein, and the equivalent of these features that those of ordinary skill in the related art understand should be extended to substitute.It is to be further understood that term is only for describing the object of specific embodiment as used herein, and and do not mean that restriction.
Special characteristic, structure or characteristic that " embodiment " mentioned in instructions or " embodiment " mean to describe in conjunction with the embodiments comprise at least one embodiment of the present invention.Therefore, instructions various places throughout occur phrase " embodiment " or " embodiment " might not all refer to same embodiment.
Conveniently, multiple project, structural unit and/or component units can appear in common list as used herein.But each element that these lists should be interpreted as in this list is identified as member unique separately respectively.Therefore, when not having reverse side to illustrate, in this list, neither one member only can appear in common list the actual equivalent of other member any being just interpreted as same list based on them.In addition, can also come together with reference to various embodiment of the present invention and example together with for the alternative of each element at this.Should be understood that, these embodiments, example and substitute and be not interpreted as equivalent each other, and be considered to representative autonomous separately of the present invention.
Although above-mentioned example is for illustration of the principle of the present invention in one or more application, but for a person skilled in the art, when not deviating from principle of the present invention and thought, obviously can in form, the details of usage and enforcement does various amendment and need not creative work be paid.Therefore, the present invention is limited by appending claims.
Claims (13)
1. for a device for lighting location, it is characterized in that, comprising:
Detection of magnetic field antenna and electric field detecting antenna, it is respectively used to obtain magnetic field induction signal and electric field induction signal;
Thunder and lightning signal processing circuit, it is connected with described detection of magnetic field antenna and electric field detecting antenna, for processing described magnetic field induction signal and electric field induction signal respectively and obtaining corresponding digital thunder and lightning signal;
Characteristic attribute parameter extracts circuit, and it is connected with described thunder and lightning signal processing circuit, obtains characteristic attribute parameter for extracting from described digital thunder and lightning signal;
Communication module, it extracts circuit with described characteristic attribute parameter and is connected, for outwards being sent by described characteristic attribute parameter.
2. device according to claim 1, it is characterized in that, described detection of magnetic field antenna comprises the first detection of magnetic field antenna and the second detection of magnetic field antenna, and described first detection of magnetic field antenna and the second detection of magnetic field antenna are the antenna arranged along North and South direction and east-west direction orthogonal vertical for a pair.
3. device according to claim 2, is characterized in that, described thunder and lightning signal processing circuit comprises:
First signal processing circuit, it is connected with described first detection of magnetic field antenna, and the first magnetic field induction signal for producing described first detection of magnetic field antenna processes and obtains corresponding digital signal;
Secondary signal treatment circuit, it is connected with described second detection of magnetic field antenna, and the second magnetic field induction signal for producing described second detection of magnetic field antenna processes and obtains corresponding digital signal.
4. device according to claim 3, is characterized in that, described first signal processing circuit comprises:
Operational amplification circuit, it is connected with described first detection of magnetic field antenna;
Filtering circuit and integrating circuit, described filtering circuit is connected between described operational amplification circuit and described integrating circuit;
Analog to digital conversion circuit, it is connected with described integrating circuit.
5. the device according to claim 3 or 4, is characterized in that, described thunder and lightning signal processing circuit also comprises:
3rd signal processing circuit, it is connected with described electric field detecting antenna, and the electric field induction signal for producing described electric field detecting antenna processes and obtains corresponding digital signal.
6. device according to claim 5, is characterized in that, described first signal processing circuit, secondary signal treatment circuit are identical with the structure of the 3rd signal processing circuit.
7. the device according to any one of claim 1 ~ 6, is characterized in that, described device also comprises:
Self-checking circuit, it extracts circuit with described detection of magnetic field antenna, electric field detecting antenna and characteristic attribute parameter and is connected, corresponding thunder and lightning signal is simulated according to described self-test signal for generation of self-test signal, with by thunder and lightning signal described in described detection of magnetic field antenna and electric field detecting antenna response, described self-checking circuit extracts circuit by described characteristic attribute parameter and obtains characteristic of correspondence attribute parameter, and the feature of described self-test signal is mated with the characteristic attribute parameter obtained, the state of described device is judged according to matching result.
8. device according to claim 7, is characterized in that, described self-checking circuit comprises:
Self-test signal generative circuit, it is for generation of self-test signal;
Thunder and lightning signal waveform mimic channel, it is connected with described self-test signal generative circuit, for simulating corresponding thunder and lightning signal according to described self-test signal;
Signal Matching circuit, it extracts circuit with described self-test signal generative circuit and characteristic attribute parameter and is connected, mate with described self-test signal for described characteristic attribute parameter is extracted the characteristic attribute parameter that described in Circuit responce, self-test signal obtains, and judge the state of described device according to matching result.
9. device according to claim 8, is characterized in that, described thunder and lightning signal waveform mimic channel comprises thunder and lightning magnetic simulation circuit and thunder and lightning electric field simulation circuit.
10. device according to claim 9, it is characterized in that, described thunder and lightning magnetic simulation circuit comprises direction of current handover module and magnetic field self-inspection antenna, wherein, described direction of current handover module is connected with described self-test signal generative circuit, described magnetic field self-inspection antenna and described current switching model calling, simultaneously, described magnetic field self-inspection antenna also couples with described detection of magnetic field antenna, and described direction of current handover module is configured to the self-inspection sense of current of the control incision change of current through described magnetic field self-inspection antenna of the self-inspection clock signal in described self-test signal.
11. devices according to claim 9 or 10, it is characterized in that, described thunder and lightning electric field simulation circuit comprises:
Bleeder circuit, it is connected with described self-test signal generative circuit, for generating the first voltage signal and the second voltage signal according to described self-test signal;
Voltage changer, it is connected with described bleeder circuit, for switching the output port of described first voltage signal and the second voltage signal;
Difference channel and electric field self-inspection antenna, described difference channel is connected between described voltage changer and electric field self-inspection antenna, and described electric field self-inspection antenna and described electric field detecting antenna couple.
Device according to any one of 12. according to Claim 8 ~ 11, is characterized in that, described self-checking circuit also comprises:
Level shifting circuit, it is connected between described self-test signal generative circuit and thunder and lightning signal waveform mimic channel, for carrying out level conversion to described self-test signal, and the self-test signal after level conversion is transferred to described thunder and lightning signal waveform mimic channel.
13. devices according to any one of claim 1 ~ 12, it is characterized in that, described device also comprises:
Gps signal receiving circuit, it extracts circuit with described characteristic attribute parameter and is connected.
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| CN201510562865.1A CN105067898B (en) | 2015-09-07 | 2015-09-07 | A kind of device for lighting location |
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| CN201510562865.1A CN105067898B (en) | 2015-09-07 | 2015-09-07 | A kind of device for lighting location |
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| CN106483386A (en) * | 2016-08-30 | 2017-03-08 | 黄显良 | A kind of Loran C reception system |
| CN107091957A (en) * | 2017-03-13 | 2017-08-25 | 张宁 | A kind of thunder measuring and orientation system and its localization method |
| CN109100577A (en) * | 2018-07-11 | 2018-12-28 | 云南电网有限责任公司电力科学研究院 | A kind of remote lightening detection system and method |
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