某型舰载机碳纤维复合材料电源机箱及其核电磁脉冲防护性能

HEMP shielding performance on carbon fiber composite power supply cabinet

    摘要
  • 摘要:
      目的  针对某型舰载机电源机箱减重和核电磁脉冲（HEMP）防护的设计需求，采用基于碳纤维复合材料化的机箱结构设计，并利用热压罐成型工艺制备复合材料电源机箱。
      方法  利用CST仿真软件进行机箱复合材料的防护性能仿真和设计评估；选择镀镍碳纤维和延展金属网作为电磁增强材料，同时配合层间电磁增强和缝隙、搭接等部位的电连接设计；使用有界波模拟器验证其在核电磁脉冲下的防护能力。
      结果  结果表明，碳纤维复合材料机箱在核电磁脉冲下的屏蔽效能达到65 dB以上。
      结论  采用热压罐工艺制作的机箱具有质量轻、强度高、成型方便、电磁脉冲防护性能好、环境适应性强等优点，具有较高的工程价值和发展前景。

     

    Abstract:
      Objectives  Regarding demands for the lightweight and high-altitude electromagnetic pulse (HEMP) protection properties of carrier-borne cabinets, through the oven process, a carbon fiber composite cabinet is constructed.
      Methods  CST Studio is used to simulate and evaluate the protective performance of a composite chassis. Nickel-coated carbon fiber and metal foil are selected as electromagnetic reinforced materials on the basis of the carbon fiber composite structural design and electric connection design of interlamination and gap electromagnetic reinforcement. HEMP protection performance is tested by using bounded wave simulator.
      Results  The results show that the HEMP shielding efficiency is above 65 dB.
      Conclusions  The carbon fiber composite cabinet has lightweight, high-strength, HEMP shielding and anti-severe environment properties, giving it significant project value and application prospects.

     

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