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泄漏监测是在轨空间站长期可靠运行必须解决的难题,本文开展了方向规用于空间站检漏的应用基础研究。在地面真空实验系统上,用小孔向真空室引入气体模拟空间站泄漏,通过磁力传动系统改变方向规入口法线与小孔中心线夹角模拟与空间站泄漏点的方位,通过调整方向规在刻度尺上的位置模拟与空间站泄漏点的距离。在通过漏孔漏率分布服从余弦定律的条件下,研究结果表明用方向规对可疑泄漏点进行扫描,在一定范围内可确定漏孔位置并估计漏率大小,最后讨论了将方向规用于空间站检漏需要进一步研究解决的相关问题。
Leakage monitoring is a problem that must be solved in long-term and reliable operation of orbiting space station. This paper carries out the basic research on the application of directional control in the leakage of space station. In the ground vacuum experiment system, a small hole is introduced into the vacuum chamber to simulate the leakage of the space station, and the direction of the normal direction of the entrance orifice and the center of the small hole are simulated by the magnetic transmission system to simulate the position of the leakage point of the space station. By adjusting the direction gauge, The location on the ruler simulates the distance from the station leak point. Under the condition that the distribution of leakage rate of leaky hole obeys the law of cosine, the results of the research show that the directionality gauge can be used to scan the suspicious leak point, determine the position of leaky hole and estimate the leak rate within a certain range. Finally, Space station leak detection needs further study to solve the related problems.