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以中国 32 0 0 m3大型空间环境模拟器为基础论述了环模试验设备的检漏技术 ,目的是为大型试验设备的检漏提供一些有益的思路和方法。文章重点分析了氦质谱检漏仪法 ,并从理论和实践的基础上对其最小可检灵敏度进行了分析。最后文章对环模试验设备的总体检漏方案进行了论述
Based on China ’s large space environment simulator of 320 m3, this paper discusses the leak detection technology of the ring mold test equipment, and aims to provide some beneficial ideas and methods for the leak test of the large scale test equipment. The article focuses on analyzing helium mass spectrometer leak detector method, and analyzes its minimum detectable sensitivity on the basis of theory and practice. The last article discusses the overall leak detection scheme of the ring mold test equipment