Analysis on the Effect of Electrostatic Discharge on the Resistance Value of Some Electric Explosive Device
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摘要:针对某型电火工品在多次静电放电试验后电阻值大幅降低的问题,通过分析及计算该型电火工品结构参数,统计历史数据以及对工艺过程开展研究,获得了导致静电放电试验后电阻值异变的主要原因为桥丝与上电极片非正常接触,使桥丝有效长度变短,造成电阻值下降,并提出了预防和解决措施。
Abstract:Aimed at the problem that the resistance value of some electric explosive device(EED) was greatly decreased after repeated electrostatic discharge tests, based on the analysis and calculation of the structural parameters of this type of EED, the historical data counting and the product process exploration, the main reason for the resistance value change caused by electrostatic discharge test was obtained, which is the improper contact between bridge-wire and upper electrode slice. The improper contact leads to the shortened effective length of bridge-wire, so the resistance value is decreased. Therefore, the preventive and solution measures were proposed.
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