CN107525974A - A kind of Lightning Warning method and speed antenna integral type electric field change measuring instrument - Google Patents
A kind of Lightning Warning method and speed antenna integral type electric field change measuring instrument Download PDFInfo
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- CN107525974A CN107525974A CN201710793698.0A CN201710793698A CN107525974A CN 107525974 A CN107525974 A CN 107525974A CN 201710793698 A CN201710793698 A CN 201710793698A CN 107525974 A CN107525974 A CN 107525974A
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- amplifier
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0842—Measurements related to lightning, e.g. measuring electric disturbances, warning systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0892—Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/10—Devices for predicting weather conditions
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims (10)
- A kind of 1. Lightning Warning method, it is characterised in that comprise the following steps:(1) antenna measurement atmospheric electric field is utilized, measures the charge inducing amount change on antenna, quantity of electric charge change is converted into voltage Signal;(2) voltage amplification and lifting are carried out to voltage signal;(3) analog signal by voltage amplification and lifting is divided into two-way, first via analog signal passes through low-pass filter circuit After form low frequency signal, for stating the slow change of electric field;Second tunnel analog signal forms high-frequency signal after high-pass filtering, For stating the fast change of electric field;(4) low frequency signal and high-frequency signal are sampled respectively;(5) low frequency signal after sampling and high-frequency signal are handled by FPGA processing modules, draws warning data.
- 2. Lightning Warning method according to claim 1, it is characterised in that:The frequency of step (3) described low frequency signal is 0.25Hz to 20Hz, the frequency of high-frequency signal is 50KHz to 5MHz.
- 3. a kind of speed antenna integral type electric field change measuring instrument based on Lightning Warning method described in claim 1, its feature It is:Including antenna, charge sensitive amplifier module, voltage amplifier circuit module and the adder lift being sequentially connected electrically Rising mould block, the output end of the adder lifting module electrically connects with high-pass filtering module and low-pass filtering module respectively, described High-pass filtering module is connected by the first ADC sampling channels with FPGA processing modules, and low-pass filtering module is sampled by the 2nd ADC Passage is connected with the FPGA processing modules.
- 4. speed antenna integral type electric field change measuring instrument according to claim 3, it is characterised in that:The charge-sensitive Pre-amplification circuit includes the amplifier A201 being connected by inverting input with antenna, and amplifier A201 in-phase input end is grounded, Two sections are connected with amplifier A201 inverting input and output end respectively after electric capacity C202 and resistance R2 parallel connections, and amplifier A201's is defeated Go out end to be used to be connected with voltage amplifier circuit module.
- 5. speed antenna integral type electric field change measuring instrument according to claim 3, it is characterised in that:The voltage amplification Circuit module includes the amplifier A301 being connected by input in the same direction with charge sensitive amplifier module, amplifier A301's Inverting input is grounded by resistance R305, and potentiometer R303 fixed contact and movable contact is anti-phase defeated with amplifier A301 respectively Enter end to connect with output end, amplifier A301 output end is connected with amplifier A302 input in the same direction, and amplifier A302's is anti-phase defeated Enter end to be grounded by resistance R306, potentiometer R304 fixed contact and movable contact respectively with amplifier A302 inverting input and Output end connects, and amplifier A302 output end is used to be connected with adder lift die block.
- 6. speed antenna integral type electric field change measuring instrument according to claim 3, it is characterised in that:The adder lift Die block includes amplifier A401, and its in-phase input end is connected by resistance R404 with voltage amplifier circuit module, its anti-phase input End is grounded by resistance R403, and potentiometer R407 one end ground connection, the other end accesses amplifier A401 same phase by resistance R405 Input, also it is connected by resistance R406 with dc source DC408 positive pole, resistance R402 both ends are connected to amplifier A402 inverting input and output end, amplifier A402 are used to be connected with high-pass filtering module and low-pass filtering module.
- 7. speed antenna integral type electric field change measuring instrument according to claim 3, it is characterised in that:The high-pass filtering Module includes amplifier A501, and its inverting input is grounded by resistance R507, is also connected by resistance R506 with input, amplifier A501 in-phase input end is grounded by resistance R505, and also lifting die block by electric capacity C503 and electric capacity C502 and adder connects Connect, the tie point of the electric capacity C503 and electric capacity C502 are connected by electric capacity 504 with amplifier A501 output end, the amplifier A501 output end is used to be connected with the first ADC sampling channels.
- 8. speed antenna integral type electric field change measuring instrument according to claim 3, it is characterised in that:The LPF Module includes amplifier A601, and its in-phase input end is lifted die block with adder by resistance R603 and resistance R602 and is connected, described Resistance R603 and resistance R602 tie point are connected by electric capacity C604 with amplifier A601 output end, and amplifier A601's is in the same direction defeated Enter end to be grounded by electric capacity C605, amplifier A601 inverting input is grounded by resistance R606, also passes through resistance R607 and fortune A601 output end connection is put, amplifier A601 output end is used to be connected with the 2nd ADC sampling channels.
- 9. speed antenna integral type electric field change measuring instrument according to claim 3, it is characterised in that:First ADC The sample frequency of sampling channel uses 20MHz/s, and the sample frequency of the 2nd ADC sampling channels uses 40Hz/s.
- 10. speed antenna integral type electric field change measuring instrument according to claim 3, it is characterised in that:At the FPGA Reason module uses chip EP4CE6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710793698.0A CN107525974A (en) | 2017-09-06 | 2017-09-06 | A kind of Lightning Warning method and speed antenna integral type electric field change measuring instrument |
Applications Claiming Priority (1)
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CN201710793698.0A CN107525974A (en) | 2017-09-06 | 2017-09-06 | A kind of Lightning Warning method and speed antenna integral type electric field change measuring instrument |
Publications (1)
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CN107525974A true CN107525974A (en) | 2017-12-29 |
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CN201710793698.0A Pending CN107525974A (en) | 2017-09-06 | 2017-09-06 | A kind of Lightning Warning method and speed antenna integral type electric field change measuring instrument |
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CN (1) | CN107525974A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108534893A (en) * | 2018-04-04 | 2018-09-14 | 西安工业大学 | A kind of photoelectric detective circuit for optical heterodyne detection |
CN109239806A (en) * | 2018-06-26 | 2019-01-18 | 合肥佳讯科技有限公司 | A kind of thunderstorm real-time system for monitoring and pre-warning |
CN109342835A (en) * | 2018-08-14 | 2019-02-15 | 云南频谱通信网络有限公司 | A kind of atmospheric electric field static monitoring techniques method |
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CN1851996A (en) * | 2005-10-18 | 2006-10-25 | 华为技术有限公司 | Siganl thunder-proof device |
CN101609144A (en) * | 2009-07-29 | 2009-12-23 | 中国气象科学研究院 | Three-dimensional positioning system of lightning radiation source |
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CN104977478A (en) * | 2015-07-24 | 2015-10-14 | 国网电力科学研究院武汉南瑞有限责任公司 | Measurement system for digital lightning electric field changing signal and measurement method thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108534893A (en) * | 2018-04-04 | 2018-09-14 | 西安工业大学 | A kind of photoelectric detective circuit for optical heterodyne detection |
CN108534893B (en) * | 2018-04-04 | 2023-12-15 | 西安工业大学 | Photoelectric detection circuit for optical heterodyne detection |
CN109239806A (en) * | 2018-06-26 | 2019-01-18 | 合肥佳讯科技有限公司 | A kind of thunderstorm real-time system for monitoring and pre-warning |
CN109239806B (en) * | 2018-06-26 | 2021-01-05 | 合肥佳讯科技有限公司 | Thunderstorm real-time monitoring and early warning system |
CN109342835A (en) * | 2018-08-14 | 2019-02-15 | 云南频谱通信网络有限公司 | A kind of atmospheric electric field static monitoring techniques method |
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Inventor after: Qi Shenghui Inventor after: Pei Zhonghui Inventor after: Qi Yibing Inventor before: Qi Shenghui Inventor before: Xia Xue Inventor before: Guo Cai Inventor before: Pei Zhonghui Inventor before: Wang Wenxiong Inventor before: Fu Zheng Inventor before: Wang Wei Inventor before: Qi Yibing Inventor before: Wang Bin Inventor before: Wang Hangang |
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Application publication date: 20171229 |
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