CN102141588A - Device capable of automatically recording thunderstorm days every year - Google Patents
Device capable of automatically recording thunderstorm days every year Download PDFInfo
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- CN102141588A CN102141588A CN2011100006856A CN201110000685A CN102141588A CN 102141588 A CN102141588 A CN 102141588A CN 2011100006856 A CN2011100006856 A CN 2011100006856A CN 201110000685 A CN201110000685 A CN 201110000685A CN 102141588 A CN102141588 A CN 102141588A
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Abstract
The invention relates to a device capable of automatically recording thunderstorm days every year, belonging to the field of thunder and lighting science and technology. The device comprises an electromagnetic wave signal processing part, a sound signal processing part and a data recording and processing part, wherein the electromagnetic wave signal processing part is formed by connecting a 100-1000Hz filter, an amplifier, a cymoscope and a monostable trigger circuit in order; the sound signal processing part is formed by connecting a sound sensor, an amplifier, a cymoscope and a monostable trigger circuit in order; and the data recording and processing part comprises a singlechip processor, a display, a clock and a memory. The device has the characteristics of simple design, convenience for installation, stable work performance, reliable measured data and strong capacity of resisting disturbance.
Description
Technical field
The present invention relates to the device in a kind of automatic thunderstorm day in record year, belong to thunder and lightning science and technology field.
Background technology
Thunderstorm is a kind of Small and Medium Sized synoptic process with multiple weather phenomena such as hail, strong wind and thunders and lightnings; wherein the development of modern high technology such as thunder and lightning and electric power traffic, communication, building, nuclear tests and guided missile is closely related, and is also relevant with forest conservation, state fundamental construction.Therefore the climate characteristic of thunderstorm activity has reflected the geography and the temporal average result for many years of thunderstorm activity, the concern of thunderstorm activity is had certain reference value for the enforcement of lightening protection engineering.
The climatological data of thunderstorm activity is the average result of adding up for many years with the thunder and lightning observational data of meteorological station.When meteorological station carries out thunder and lightning observation, have in it and write down thunder and lightning beginning and ending time and corresponding thunder and lightning orientation etc., when thunder and lightning is added up, thunder and lightning is divided into two kinds: the one, local thunderstorm refers to closely can hear from survey station the lightning of thunder, but has only thunder to lose lightning sometimes.The 2nd, sudden strain of a muscle far away refers to can't hear thunder and away from the lightning of survey station, it, does not take statistics to this class lightning when lightening activity is added up generally apart from more than survey station point 20km～30km.
Thunderstorm research station density is high more, then the geographic distribution of thunderstorm parameter is representative just good more, and the thunderstorm activity is the Small and Medium Sized weather system, and its space scale is little, little have tens kms, big have a hundreds of km, and its time changes fast, short only tens minutes, therefore require the density height of weather station, conventional artificial observation is difficult to catch exactly all thunderstorm activities in area under one's jurisdiction, especially for the plateau in depopulated zone, and survey stations such as desert area seldom.Therefore design the device in a kind of automatic thunderstorm day in record year, automatically the time and the number of times of recording storage generation thunderstorm.Automatically add up thunderstorm day in year in the area under one's jurisdiction, research station.Climatic study to thunderstorm provides more useful thunder and lightning parameter.
Summary of the invention
The invention provides the device in a kind of automatic thunderstorm day in record year, write down time and number of times that thunderstorm takes place automatically, and pass through the thunderstorm day in year in area under one's jurisdiction, computed in software statistical process station.
The present invention adopts following technical scheme for solving its technical matters:
The device in a kind of automatic thunderstorm day in record year, comprise electromagnetic wave signal processing section, sound signal processing part, data recording and processing part, wherein, the electromagnetic wave signal processing section is linked in sequence by 100--1000Hz wave filter, first amplifier, first detector and first single-shot trigger circuit; The sound signal processing part is linked in sequence by sound transducer, second amplifier, second detector and second single-shot trigger circuit; Data recording and processing partly comprises processor of single chip computer, display and clock and storer, display, storer and clock are connected with processor of single chip computer respectively, and first single-shot trigger circuit of electromagnetic wave signal processing section is connected by the processor of single chip computer of AND circuit with the data recording and processing part with second single-shot trigger circuit of sound signal processing part.
Beneficial effect of the present invention is as follows:
1, this device can suppress effectively to the interference of raindrop, dust storm, improves stability, the reliability of Monitoring Data.
2, overcome because cumulonimbus is crossed the interference that causes when pushing up, had the ability of stronger anti lightning electrostatic induction voltage.
When 3, lightning and thunder occur simultaneously, the monitoring equipment record data, monitoring equipment record data not under other situation, this has better reliability and accuracy a year thunderstorm day for statistics.
4, can suppress artificial interference such as AC power, motor effectively, monitoring equipment has stronger interference rejection capability.
5, the monitoring device circuit design is simple, stable work in work, and recorded data is not lost in long-time running continuously, power down yet.
6, monitoring device is easy for installation, is convenient to networking and uses, and can add up the thunderstorm day in year of a certain large tracts of land scope after the networking more accurately.
Description of drawings
Fig. 1 is the functional-block diagram that writes down device in thunderstorm day in year automatically.
The circuit diagram of Fig. 2 electromagnetic wave signal processing section.
The circuit diagram of Fig. 3 sound signal processing part.
The circuit diagram of Fig. 4 data recording and processing part.
Embodiment
Below in conjunction with accompanying drawing the invention is described in further details.
Automatically the functional-block diagram of record device in year thunderstorm day is as shown in Figure 1:
The device in a kind of automatic thunderstorm day in record year mainly contains three parts and forms: electromagnetic wave signal processing section, sound signal processing part, data recording and processing part.
Its course of work is as follows: when thunderstorm takes place, often be accompanied by lightning and sound.The lightning signal of different frequency component is received by antenna and is coupled to the electromagnetic wave signal processing section, and the electrostatic field signal of coupling triggers the monostable circuit upset, the pulse signal of a wide about 60s of output after by low channel filtering, amplification, detection.Because the aerial transfer rate of electromagnetic wave is about, and is more faster than the transmission speed of sound.Speed according to transmission of sound signals
, the distance of 60s transmission is 20km.Thunder is through being converted to electric signal, triggering the monostable circuit upset after amplification, detection behind the sound transducer, export a width and be about the square pulse of 200ms, the output signal of two passages all is added on the AND circuit, and the signal of AND circuit output is added to the single-chip microcomputer treatment circuit.Have only when two paths of signals all exists, single chip circuit just has data recording.The time that processor of single chip computer record takes place, date, and the number of times that takes place of accumulative total utilize software systems to add up this local thunderstorm day in year according to the definition in thunderstorm day in year.
Automatically the main effect of each cell mesh of device in record year thunderstorm day is: 1. electromagnetic wave signal processing section: comprise the 100--1000Hz wave filter, its main effect receives the electric field signal that lightning closely produces the following frequency change of 1000Hz.The main effect of amplifier is that the electric signal that will receive amplifies, and increases the voltage of signals amplitude.The main effect of wave detector is to convert AC signal to direct current signal.Single-shot trigger circuit mainly acts on, and when receiving the electromagnetic wave signal of lightning, exports a high level signal.
2. sound signal processing part: comprise sound transducer, its main effect is to convert voice signal to electric signal.Comprise amplifier, the main effect of amplifier is that electrical signal converted is amplified.The circuit function effect of wave detector and single-shot trigger circuit is consistent with the effect of electromagnetic signal processing section.The main effect of AND circuit is to have only that AND circuit just has output when two paths of signals all receives signal.
3. the data recording and processing part mainly comprises: processor of single chip computer, it mainly acts on is a processing and a signal of output, calculates the number of times of lightning and adds up a year thunderstorm day according to the definition in thunderstorm day in year.Storer is used to write down the number of times of lightning and time, the date of generation.The main effect of clock circuit provides clock signal, and display is used to check the data message of record.
The circuit diagram of electromagnetic wave signal processing section is as shown in Figure 2:
As the antenna of low frequency dummy source, its equiva lent impedance is bigger, and prime amplifier BG1 adopts the amplifying circuit of field-effect tube structure, obtains impedance matching preferably with this.R20, R23, R24, C17, C14 form low-pass filter, and BG2 forms the amplifier of signal, and D1, D3 constitute detector circuit and be used for becoming exchange the signal that changes into negative direct current signal.The undersuing of positive and negative lightning signal exporting after filtering, amplification, detection triggers the monostalbe trigger that IC1 constitutes, and delay time is 60S, and the output signal of monostalbe trigger will be added to the AND circuit that is made of IC3.
The circuit diagram of sound signal processing part is as shown in Figure 3:
Thunder is converted to electric signal by electret capacitor microphone receiver, the amplifier that constitutes via the BG3 field effect transistor amplifies, after the amplifier that signal after the amplification is made of IC4, IC5, IC6 is again carried out three grades of amplifications, AC signal becomes a negative direct current signal and goes to trigger the single-shot trigger circuit that is made of IC2 behind the detector circuit that D6, R32, C22 constitute, and with this 20ms that delays time, the output signal of monostable circuit is added to the AND circuit that is made of IC3.
The circuit diagram of data recording and processing part is as shown in Figure 4:
Data recording and processing partly is the single-chip microcomputer treatment circuit, and U1 is the Atmel89s52 single-chip microcomputer, and U2 is a data-carrier store, and to come with this be that single-chip microcomputer provides clock reference to U3 for clock circuit.The course of work is: when arriving the AND circuit that the IC3 formation is arranged after the thunder and lightning electromagnetism involves the time-delay of thunder signal process, IC3 will export on the INT0 interface that high level signal is added to single-chip microcomputer, at this moment single-chip microcomputer writes down the time of this moment, and data are delivered in the U2 storer, and data are preserved.LCD is a LCD, can show current record data in real time, can call historical record data by AN1, AN2, AN3, adds up a year thunderstorm day by the scm software program.
Claims (1)
1. automatic device in record year thunderstorm day, it is characterized in that comprising electromagnetic wave signal processing section, sound signal processing part, data recording and processing part, wherein, the electromagnetic wave signal processing section is linked in sequence by 100--1000Hz wave filter, first amplifier, first detector and first single-shot trigger circuit; The sound signal processing part is linked in sequence by sound transducer, second amplifier, second detector and second single-shot trigger circuit; Data recording and processing partly comprises processor of single chip computer, display and clock and storer, display, storer and clock are connected with processor of single chip computer respectively, and first single-shot trigger circuit of electromagnetic wave signal processing section is connected by the processor of single chip computer of AND circuit with the data recording and processing part with second single-shot trigger circuit of sound signal processing part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100006856A CN102141588A (en) | 2011-01-05 | 2011-01-05 | Device capable of automatically recording thunderstorm days every year |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100006856A CN102141588A (en) | 2011-01-05 | 2011-01-05 | Device capable of automatically recording thunderstorm days every year |
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| CN102141588A true CN102141588A (en) | 2011-08-03 |
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| CN2011100006856A Pending CN102141588A (en) | 2011-01-05 | 2011-01-05 | Device capable of automatically recording thunderstorm days every year |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217725A (en) * | 2012-01-19 | 2013-07-24 | 数伦计算机技术（上海）有限公司 | Meteorological data collecting system |
| CN103713338A (en) * | 2013-12-31 | 2014-04-09 | 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 and recording method thereof |
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| WO1994028566A1 (en) * | 1993-05-20 | 1994-12-08 | University Of Technology, Sydney | Partial discharge passive monitor |
| CN1372645A (en) * | 1999-09-02 | 2002-10-02 | 特兰斯格里德公司 | Partial discharge monitoring system for transformers |
| CN201637774U (en) * | 2010-03-19 | 2010-11-17 | 北京欧地安科技股份有限公司 | Thunder-lightening recorder |
| CN201955647U (en) * | 2011-01-05 | 2011-08-31 | 南京信息工程大学 | Device for automatically recording annual thunderstorm dates |
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2011
- 2011-01-05 CN CN2011100006856A patent/CN102141588A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1994028566A1 (en) * | 1993-05-20 | 1994-12-08 | University Of Technology, Sydney | Partial discharge passive monitor |
| CN1372645A (en) * | 1999-09-02 | 2002-10-02 | 特兰斯格里德公司 | Partial discharge monitoring system for transformers |
| CN201637774U (en) * | 2010-03-19 | 2010-11-17 | 北京欧地安科技股份有限公司 | Thunder-lightening recorder |
| CN201955647U (en) * | 2011-01-05 | 2011-08-31 | 南京信息工程大学 | Device for automatically recording annual thunderstorm dates |
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| Title |
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| 韩金林: "次声在雷暴探测中的应用", 《应用声学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217725A (en) * | 2012-01-19 | 2013-07-24 | 数伦计算机技术（上海）有限公司 | Meteorological data collecting system |
| CN103713338A (en) * | 2013-12-31 | 2014-04-09 | 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 and recording method thereof |
| CN103713338B (en) * | 2013-12-31 | 2015-08-19 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of automatic production record and recording method thereof in thunderstorm day being applied to meteorological station |
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Application publication date: 20110803 |