Test system and test method for pressure protection system of spacecraft sealed cabin

• Main Authors: HUANG NIANZHI, WANG JING, WU YUE, FANG MINGYUAN, BI YANQIANG, LI XIYUAN, JI XINYAN
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2019
• Subjects: AIRCRAFT; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; AVIATION; COSMONAUTICS; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PHYSICS; TARIFF METERING APPARATUS; TESTING; TRANSPORTING; VEHICLES OR EQUIPMENT THEREFOR

The application discloses a test system and a test method for a pressure protection system of a spacecraft sealed cabin. The test system comprises a first space environment simulation device, a secondspace environment simulation device, a simulation cabin body, an emergency pressure protection system, an air inlet pipeline assembly and a pressure relief pipeline assembly, wherein the pressure relief pipeline assembly comprises a pressure relief pipeline, a second program-controlled opening valve is arranged on the pressure relief pipeline, the air inlet pipeline assembly comprises an air inlet pipeline, and the air inlet pipeline is provided with a first program-controlled opening valve; wherein the second program-controlled opening valve controls the pressure relief rate of the pressurerelief pipeline to the second space environment simulation equipment to realize the simulation of different leakage holes of different spacecrafts in orbit, and the first program-controlled opening valve controls the re-pressu