市域D型车辆气密性试验方法现状与展望  

Current Status and Prospect of Air Tightness Test Methods for D-type Trains in Urban Areas

作　　者：贾晓沛 杜文韬 JIA Xiao-pei;DU Wen-tao(CRRC Nanjing Puzhen Co.,Ltd.,Nanjing 210031,China)

机构地区：[1]中车南京浦镇车辆有限公司,江苏南京210031

出　　处：《液压气动与密封》2025年第1期119-121,共3页Hydraulics Pneumatics & Seals

摘　　要：针对市域D型车辆气密性试验标准和试验方法展开讨论,对传统车辆气密性试验方法进行总结并分析其优缺点。提出一种新的车辆气密性试验方法,并对该氦质谱气密性检测法原理及试验应用做了阐述,以及展望了市域D型车辆气密性试验的未来技术。Discuss the air tightness test standards and methods for D-type trains in the city,and analyze the advantages and disadvantages of traditional train air tightness test methods.A new method for train airtightness testing is proposed,and the principle and application of the helium mass spectrometry airtightness detection method are explained,as well as the prospect of future technology of train airtightness test.

关 键 词：市域D型 气密性试验 试验标准 氦质谱检测法 

分 类 号：TB42[一般工业技术] U270.7[机械工程—车辆工程]