某型号直升机超短波电台电磁干扰问题研究  

The Research on an Optimized Method of the Fault on Electromagnetic Interference of Ultra-Short Wave Radio of a Certain Helicopter

作　　者：张海 路杰 沈凌志 ZHANG Hai;LU Jie;SHEN Lingzhi(Changhe Aircraft Industries Group Co.,Ltd.,Jingdezhen 333000,China)

机构地区：[1]昌河飞机工业集团有限责任公司,江西景德镇333000

出　　处：《河南科技》2023年第22期4-7,共4页Henan Science and Technology

摘　　要：【目的】对某型号直升机在试飞过程中因超短波电台干扰空调工作而产生的故障进行分析,为解决直升机电磁兼容问题提供建议。【方法】通过对相关系统原理及故障机理进行分析,以故障树形式来梳理故障产生的原因,并在直升机上逐一进行验证,最终定位故障点,并采取有效的排故措施。【结果】可从根本上解决该型机超短波电台干扰空调工作的共性问题,并根据电磁兼容性问题发生的基本原因,对三个基本解决方法进行优化。【结论】在试飞过程中,直升机上常见的故障与电磁干扰有关,而在生产制造过程中对直升机进行电磁兼容试验是十分重要的,充分的试验可提前发现电磁兼容性问题,并在地面解决,从而避免后续试飞过程中出现故障,保证试飞任务的顺利完成,提高直升机生产质量。[Purposes]This paper aims to analyze the failure of a helicopter caused by ultra-short wave radio interference with air conditioning during flight test,and to provide suggestions for solving the problem of helicopter electromagnetic compatibility.[Methods]Through the analysis of the relevant system principle and fault mechanism,the causes of the fault are sorted out in the form of fault tree,and verified one by one on the helicopter.Finally,the fault point is located and effective troubleshooting measures are taken.[Findings]It can fundamentally solve the common problem that the ultra-short wave radio interferes with the air conditioning work of the machine,and optimize the three basic solutions according to the basic causes of the electromagnetic compatibility problem.[Conclusions]In the process of flight test,the common faults on helicopters are related to electromagnetic interference.It is very important to carry out electromagnetic compatibility test on helicopters in the process of production and manufacturing.Sufficient test can find electromagnetic compatibility problems in advance and solve them on the ground,so as to avoid faults in the subsequent flight test process,ensure the smooth completion of flight test tasks,and improve the production quality of helicopters.

关 键 词：直升机 超短波 空调 故障 电磁兼容 

分 类 号：V217.33[航空宇航科学与技术—航空宇航推进理论与工程]