Three dimensional full-lightning detection positioning system based on very-low frequency/low frequency

A positioning system and full lightning technology, which is applied to measurement devices, measurement of electrical variables, electromagnetic field characteristics, etc., can solve the problems of inability to detect cloud lightning electromagnetic pulse signals, inability to realize cloud lightning detection, etc., to improve detection accuracy and simplify signal processing. The effect of reducing complexity and network construction cost

Inactive Publication Date: 2016-09-28
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Problems solved by technology

Because the cloud flash discharge channel is mostly horizontal or inclined, the electromagnetic pulse signal of cloud flash cannot be detected only by the horizontal channel antenna, and the detection of cloud flash cannot be realized.

Method used

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  • Three dimensional full-lightning detection positioning system based on very-low frequency/low frequency
  • Three dimensional full-lightning detection positioning system based on very-low frequency/low frequency
  • Three dimensional full-lightning detection positioning system based on very-low frequency/low frequency

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] Such as figure 1 As shown, the present invention is based on a VLF / LF three-dimensional full lightning detection and positioning system, which includes a data processing central station 20 and N detection sub-stations 11, 12, ..., 1N, N≥4 installed in different positions. Different detection sub-stations are connected to the wide area network through wired routers 31 or wireless base stations 32, and send data to the data center station 20 through the wide area network. After collecting the data, the three-dimensional lightning location algorithm is calculated to obtain the three-dimensional position of the lightning radiation source.

[0043] The distributed detection sub-stations 11, 12, ..., 1N, and the data processing central station 20 are connected to the wide area network through wired routers 31 or 3G4G wireless base stations 32...

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Abstract

A three dimensional full-lightning detection positioning system based on very-low frequency / low frequency comprises a data processing center station (20) and a plurality of detection substations installed on different positions, wherein the detection substations access to a wide area network, and through which data are sent to the data processing center station (20). The data centre station (20), upon reception of detection data of each detection substation, obtains the three-dimensional position of a lightning radiation source through three-dimensional lightning positioning algorithm. The VLF / LF antenna acquisition module (4) of each substation acquires magnetic field, electric field and GPS time setting signals and transmits the magnetic field, the electric field and the GPS time setting signals to a channel processing module (5), the channel processing module (5) transmits the signals after processing to a lightning signal identifying module (6), and the lightning signal identifying module (6) determines whether the lighting is intracloud lightning or cloud-to-ground lightning according to the characteristics of the intracloud lightning and the cloud-to-ground lightning. A clock synchronization module (7) marks time labels on the lightning signals, and transits to a data emission module (8). The data emission module (8) sends the lightning data to the data processing center station (20).

Description

technical field [0001] The invention relates to a lightning observation device, in particular to a three-dimensional full lightning detection and positioning system in a very low frequency / low frequency (VLF / LF) frequency band. Background technique [0002] Lightning is an instantaneous strong discharge process in the atmosphere. According to whether the lightning channel is grounded, lightning can be divided into cloud-to-ground lightning and cloud-to-ground lightning. [0003] Patent CN 103116083 discloses a VLF / LF (very low frequency / low frequency) frequency band ground lightning detection and positioning system, which can accurately estimate the ground lightning signal generated by the ground lightning radiation source and propagate along the ground surface. This invention can only measure cloud-to-ground lightning, and still stays on the two-dimensional observation of cloud-to-ground lightning, and cannot detect cloud-to-ground lightning. [0004] Patent CN 101893661 d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/08
CPCG01R29/0842G01R29/0892
Inventor 肖芳马启明苑尚博周晓宋佳军
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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