某供氧系统呼气阻力异常故障分析  

Analysis of Abnormal Expiratory Resistance in Oxygen Supply System

作　　者：林照慧 田野[1] 王小凌[1] LIN Zhao hui;TIAN Ye;WANG Xiao-ling(AVIC Shenyang aviation industry group company,Shenyang 110850)

机构地区：[1]航空工业沈阳飞机工业(集团)有限公司,沈阳110850

出　　处：《航空精密制造技术》2024年第2期62-64,共3页Aviation Precision Manufacturing Technology

摘　　要：某飞机供氧系统出现呼气阻力异常的故障,基于故障树分析法对会造成供氧系统呼气阻力异常的原因进行分析,梳理出影响呼气阻力的底事件,并按底事件对飞机系统和相关成品进行了详尽的排查,结合地面测试,找到了引起该故障的原因,提出有效的故障解决办法,消除了故障隐患。An aircraft oxygen supply system has an abnormal expiratory resistance fault.Based on the fault tree analysis method,the causes of the abnormal expiratory resistance of the oxygen supply system are analyzed,the bottom events affecting the expiratory resistance are sorted out,and the aircraft system and related finished products are checked in detail according to the bottom events.Combined with the ground test,the cause of the fault is finally found,and effective fault solutions are proposed to eliminate the hidden trouble.

关 键 词：供氧系统 故障树分析 呼气阻力 

分 类 号：V267[航空宇航科学与技术—航空宇航制造工程]