Anti-interference design for coal mine safety monitoring system and composition equipment
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摘要: 针对现有煤矿安全监控系统及组成设备抗干扰能力较差的问题，根据国家煤矿安全监察局对煤矿安全监控系统升级改造提出的“增强系统及组成设备的抗电磁干扰能力”的要求，从设备机械结构设计、硬件电路设计、软件设计等方面阐述如何提高目前安全监控系统及组成设备的抗干扰能力。实际应用结果表明，采用本文所述抗干扰设计的设备可通过3级静电放电抗扰度试验、2级射频电磁场辐射抗扰度试验等试验项目。Abstract: In view of problem of poor anti-interference capability of existing coal mine safety monitoring system and composition equipment, and requirements of "strengthening the anti-electromagnetic interference ability of the system and the equipments" of the National Coal Mine Safety Supervision Bureau on the upgrading of coal mine safety monitoring system, the paper expounded how to improve anti- interference capability of current safety monitoring system and composition equipment from aspects of mechanical structure design, hardware circuit design and software design. The practical application results show that the device applying the described anti-interference designs can pass three-stage electrostatic discharge immunity test, two-stage radio frequency electromagnetic radiation immunity test and other test items.
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