Thermal Vacuum Test Chamber-Space Environment Ground Simulation Test Equipment

Product use of space environment ground simulation test equipment:

Space environment ground simulation test equipment is used for military and aerospace products in the ground environment to simulate space vacuum, cold black and solar radiation environment, thermal vacuum test and heat balance test. Space environment ground simulation test equipment can simulate the cold and hot environment of vacuum space, carry out thermal vacuum test on test pieces, and effectively control, monitor and record the temperature of test pieces in vacuum space, which provides conditions for the test of related aerospace products.

Space environment ground simulation test equipment meets the criteria:

GJB 1027A vehicle, upper stage and spacecraft test requirements

GJB 1033 satellite thermal balance test method

QJ 1446A satellite thermal balance test method

QJ2630.1 Space Environment test method for satellite components - Thermal vacuum test

QJ2630.2 Space Environment test method for satellite components - Thermal balance test

QJ2630.3 Space environment test method for satellite components - Vacuum discharge test

GB 150-1998 Steel pressure vessel

GB/T 3164-2007 Graphical symbols for system drawings of vacuum technology

GB/T 6070-2007 vacuum flange

GB 50054-1995 Design specification for low-voltage distribution

GB 50316-2008 Specification for design of industrial metal pipes

Technical parameters of space environment ground simulation test equipment:

Vacuum tank size (m) : Phi 1X1.5 Phi 2x2.5 in 3x3.5

Ultimate vacuum (pa) : ≤5x10-5

Working vacuum (pa) : ≤1.0x10-3

Refrigeration mode: refrigerant mode, compound working medium mode, and liquid nitrogen refrigeration mode

Heat sink + cold plate: Heat sink + heating cage Liquid nitrogen heat sink + heating cage

Temperature range: -70℃ ~ +130℃ -150℃ ~ +150℃ -173℃ ~ +170℃

Temperature stability: ≤1℃/h ≤1℃/h ≤1℃/h

Temperature uniformity: ≤±2.0℃ ≤±3.0℃ ≤±5.0℃

Temperature control accuracy: ±1℃ ±1℃ ±1℃

Rising and cooling rate: >1℃/min

Vacuum system leakage rate: <5x10-9Pam/s

Noise: Vacuum pumping equipment noise <70dB(A)

Evacuation time: The vessel can be evacuated to better than 1.0x10-3Pa within 4 hours at room temperature with no load.

Temperature detection system: The system adopts multi-channel Pt100 temperature inspection table to measure the temperature of named points

Control and monitoring system: Mainly includes industrial control computer, control cabinet, PLC, instrument, various operation control switches and so on