Reliability Test and Evaluating Methods of Port Quick Leak Detector for Manned Spacecraft

doi:10.3780/j.issn.1000-758X.2012.03.009

Chinese Space Science and Technology ›› 2012, Vol. 32 ›› Issue (3): 57-63.doi: 10.3780/j.issn.1000-758X.2012.03.009

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Reliability Test and Evaluating Methods of Port Quick Leak Detector for Manned Spacecraft

CUI Zhi-He, CAO Jun, YANG Xiao-Lin, ZHANG Xiao-Yi, QUAN Xin, DONG Yi-Peng

（Lanzhou Institute of Physics，Lanzhou730000）

Received:4603-10-09 Revised:2012-06-25 Published:2012-06-25 Online:2012-06-25

Abstract

Abstract: As the port and its docking system testing instrument, manned spacecraft port quick leak detector (PQLD) is used for checking the sealing quality of the docking surface after the door is closed and the docking surface is linked. By analyzing the function, the work principle and main failure mode of PQLD for manned spacecraft was presented, and the PQLD′s reliability characteristic was determined. According to the basic considerations of life type and computation type reliability test method, the methods of the PQLD reliability test was proposed, including the choice of the method, statement of the test piece, determination of the test condition, test program, failure criterion, and means of the reliability evaluating. 

Key words: Quick leak detector, Reliability test, Port, Manned spacecraft

CUI Zhi-He, CAO Jun, YANG Xiao-Lin, ZHANG Xiao-Yi, QUAN Xin, DONG Yi-Peng. Reliability Test and Evaluating Methods of Port Quick Leak Detector for Manned Spacecraft[J]. Chinese Space Science and Technology, 2012, 32(3): 57-63.

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Reliability Test and Evaluating Methods of Port Quick Leak Detector for Manned Spacecraft

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