热真空试验设备控温热沉设计分析

doi:10.13385/j.cnki.vacuum.2020.02.12

Abstract

Abstract: In order to meet the thermal vacuum test requirements of a certain aerospace product, a special temperature-controlled heat sink is designed, which consists of a heat sink, a heater and a supporting temperature control system. This paper briefly describes the design of a special temperature control heat sink for a certain product, and carries out simulation analysis and verification of the structure. The analysis results show that, when the product heat is 200W, the space temperature can be higher than +120℃, the heat sink body temperature can be lower than-180℃, with temperature control conditions. The temperature control system adopts PID adaptive adjustment. The results show that the space temperature can be controlled from -180℃ to +120℃, and the temperature control accuracy can reach ±0.5℃, which meets the test requirements.

Key words: thermal vacuum test, temperature control heat sink, simulation analysis, PID control

CLC Number:

V416.5

QI Song-song, XU Xiao-hui, LIU Jia-lin, ZHANG Rui, LI Can-lun, DONG De-sheng, SHI Cheng-tian. Design and Analysis of Temperature Control Heat Sink for Thermal Vacuum Test Equipment[J].VACUUM, 2020, 57(2): 62-65.

References 15

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Design and Analysis of Temperature Control Heat Sink for Thermal Vacuum Test Equipment

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