基于LabVIEW的在线低压微小泄漏检测系统设计  

Design of On-line Low Pressure Micro Leak Detection System Based on LabVIEW

作　　者：华晓青[1] 廖翊诚[1] 

机构地区：[1]上海大学机电工程及自动化学院,上海200072

出　　处：《仪表技术与传感器》2009年第11期26-28,共3页Instrument Technique and Sensor

基　　金：教育部高等学校重点学科建设项目(Y0102);上海市重点学科建设项目(BB67)

摘　　要：文中介绍了直压式气密性检测的原理,针对汽车滤清器气密性检测,设计了在线低压微小泄漏检测系统。该检测系统基于LabVIEW虚拟仪器技术,采用直压式压力检测法,利用高精度压力传感器、数据采集卡以及精密气路等组成测试装置,实现了对一定容积滤清器的在线低压微小泄漏检测,并且介绍了该检测系统的工作原理、软硬件设计和系统性能。This paper introduced the principle of direct-pressure air-leakage test technique.An on-line low-pressure micro leak detection system for air-leakage detection of automotive filters was designed.The system,which adopted direct-pressure method,was based on LabVIEW.High precision pressure sensor,high precision data acquisition card and precise gas path was applied in this system.On-line low-pressure micro leak detection of certain volume automobile filters was realized.This paper also introduced the principle,hardware and software design,and system the performance.

关 键 词：泄漏检测 LABVIEW 滤清器 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]