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中文摘要：
介绍了一种新型正负压测漏系统的设计研究过程。在对现有单功能测漏仪进行研究的基础上,设计出了一种能够运用于正负压综合检测情况下的正负压测漏系统,绘出了该气动系统的框图,系统避免了检测中复杂的仪器更换,能提高检测效率、降低检测成本、减小劳动强度,并分别介绍了该系统在正压检测和负压检测环境下的工作原理,分析了其在正负压检测过程中压力变化量的动态特性,结果表明出其检测过程的动态特性与单功能测漏仪相似。研究得出其能够满足现有的检测要求。
英文摘要：
Introduced the design process of a new positive and negative pressure leak detection system.By analyzed the single-function leak detector,to design the positive and negative pressure leak detector which can be applied in case of positive and negative pressure comprehensive testing,this system avoided to change the apparatus,it can Improve the detection efficiency,reduce the testing costs and labor intensity,introduced the working principle of this system,analyzed the dynamic features of the pressure variation,The results show that the dynamics features is similar to single-function leak detector,and indicate that this system can meet the testing requirements of existing.
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