Intelligent lightning interceptor and lightning surge pulse protection method

CN119134206BActive Publication Date: 2025-03-28SHANDONG QULEI TECH DEV CO LTD
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Patent Information

Application Number
CN202411294179.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-03-28
Estimated Expiration
2044-09-14

AI Technical Summary

Technical Problem

When traditional lightning interceptors process lightning current data, the magnetic field noise distortion caused by different intensity of lightning, resulting in poor interception effect.

Method used

The lightning current data is measured through the lightning current recorder, and the trend is analyzed using STL decomposition and extreme point detection algorithms, the lightning change rate and magnetic field deviation are calculated, the magnetic field interference intensity is evaluated, the correction coefficient is constructed, and the lightning current data is corrected.

Benefits of technology

The correction effect of lightning current data is improved, making the corrected data closer to the real lightning current data, thereby improving the interception effect of the lightning interceptor.

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Abstract

The present application relates to the technical field of intelligent sensing lightning interceptors, and specifically to an intelligent lightning interceptor and a lightning surge pulse protection method, the method comprising: measuring the lightning current sequence when lightning occurs by means of a lightning current recorder, and dividing each lightning current subsequence to obtain each lightning current subsequence, and calculating the lightning change rate of each lightning current; determining the lightning electromagnetic field deviation of each lightning current based on the difference in lightning change rate between each lightning current and its adjacent lightning current and the average of the lightning change rate of all lightning currents in the lightning current subsequence, and combining the difference between each lightning current and the average of its left and right adjacent lightning currents to obtain the lightning electromagnetic field interference intensity of each lightning current, so as to calculate the lightning electromagnetic field correction coefficient of each lightning current, and correct each lightning current in the lightning current subsequence; and intercepting lightning using a lightning interceptor according to the amplitude spectrum and energy spectrum of the corrected lightning wave. The present application can improve the accuracy of lightning current data and ensure the accuracy of lightning interception.
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