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電子地磅易遭遇雷擊的原因

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電子地磅易遭遇雷擊的原因

發布日期:2016-07-27 作者: 點擊:

每逢雷雨季節,五月丁香地磅廠商就開始變得忙碌起來,並不是忙著生產,而是是忙著維修。由於地磅客戶防範意識不夠,致使地磅遭受雷擊,從而造成一定的損失。下麵五月丁香就電子地磅易遭遇雷擊的原因進行分析:

During the storm season, we loadometer manufacturers began to get busy, not busy with production, but is busy repairing. Because loadometer customer awareness is not enough, resulting in loadometer lightning, resulting in a loss. We have the following electronic loadometer prone to lightning causes analysis:


靜電感應:地磅稱體為較大的金屬物體,在雷雲出現到雷擊(主放電)以前,在雷電靜電感應作用下,稱體感應產生大量靜電荷,當雷擊發生時,雲電荷通過閃擊與地麵的異電荷迅速中和,由於地磅接地電阻過大,造成大量靜電荷無法在短時內向大地泄放,就形成了局部感應高電壓,並對與稱體接觸不良的金屬器件(稱重傳感器)發生閃擊。形成強烈放電現象。閃擊造成稱重傳感器帶上高電位並沿數據總線侵入終端電子設備(顯示儀表等)。

Electrostatic induction: loadometer said body for metal objects appear larger, lightning in clouds (the main discharge) before the lightning electrostatic induction effect, said body induced large static charges, when lightning occurs, the cloud charge through the different charge blitz with the ground and quickly, because loadometer grounding resistance is too large, resulting in large static charges in a short period of time within the earth cannot discharge, forming local induction high voltage, and the device with metal poor contact body (called weighing sensor) occurred blitz. A strong discharge is formed. This caused the weighing sensor with high potential and the data bus terminal into electronic equipment (display instrument).


電磁感應:當雷擊落點在地磅附近時,由於雷電流有極大峰值和陡度,即閃電通道中電流隨時間發生變化,在整個地磅係統周圍空間形成強大的瞬變電磁場,在通道附近的導電物體產生一係列的電磁脈衝耦合過電壓和渦電流。電子地磅稱重傳感器,接線盒,顯示儀表等由於回路布置較複雜,導致雷電磁脈衝在回路中感應出瞬態高電位和過電流並危及與回路連接的設備。

Electromagnetic induction: when lightning strikes near the placement in the weighbridge due to lightning current, great peak current and steepness of lightning channel changes over time, the formation of a strong transient electromagnetic field in the space around the weighbridge system, produce electromagnetic pulse coupling overvoltage and eddy current in a series of conductive objects near the channel. Electronic loadometer weighing sensor, junction box, display instrument as the loop layout is more complex, resulting in lightning magnetism pulse in the loop induced transient high potential and current and endanger and loop connecting equipment.


雷電波侵入:由於磅房的供電線路、信號線采用架空敷設,供電線路、信號線在架空傳輸過程中遭受直接雷擊或雷電靜電感應、電磁感應作用,雷電流以脈衝波形式沿架空電線、信號線侵入(通常為幾千伏~幾百千伏),對磅房各類電子設備如地磅儀表等造成嚴重損毀。

Lightning wave intrusion: because the power supply line, the signal line housing pounds by overhead laying, power lines, signal lines from lightning or lightning electrostatic induction, electromagnetic induction in the transmission process, the lightning current in pulse wave forms along the overhead lines, signal lines invasion (usually several thousand volts to hundreds of volts), cause serious damage of various types of electronic equipment such as housing pounds loadometer instrument etc..

本文網址:http://www.jk4006.com/news/355.html

關鍵詞:貴州地磅,貴陽地磅,貴州地磅廠

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