高精度梯度控温系统应用研究

doi:10.13385/j.cnki.vacuum.2022.02.04

Abstract

Abstract: In order to meet the requirement of gradient temperature control in the thermal vacuum test of a certain type of aerospace products, a set of high precision gradient temperature control system was designed. The system is composed of heat sink, heater and supporting temperature control system, etc., which can meet the gradient temperature control requirements of products such as load, and the temperature control precision can reach ±0.2℃. This paper introduces the design of the temperature control structure, the frame of the temperature control structure and the PID temperature control principle of the system. The system is used to test the gradient temperature control in product zones, and it runs stably and reliably in the test. The experimental results show that the system can meet the requirements of gradient temperature control in product zones, and the temperature control accuracy is high.

Key words: thermal vacuum test, gradient temperature control, PID control

CLC Number:

V416.5

SUN Cheng-kai, LIU Hai-jing, LU Tong-shan, LI Can-lun, LI Zhuo-hui, GAO Ze-tian, WANG Guo-fang. Application Research of High Precision Gradient Temperature Control System[J].VACUUM, 2022, 59(2): 17-20.

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Application Research of High Precision Gradient Temperature Control System

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