Space Measurement System Design and Space Environment Adaptation Experiment of Commercial Sensor DS18B20

Abstract:

In order to solve the problem of the complexity satellite temperature acquisition network cabling connectivity, diversity in temperature acquisition circuits, low temperature acquisition accuracy, complicated computation of temperature formula and so on. A single bus thermometry technology based on 1-wire commercial temperature measurement sensor DS18B20 instead of the conventional thermometry technology on the satellite was proposed. In the study, the space measurement system based on DS18B20 including the design of measurement temperature circuit, software and reliability was designed, and space environment adaptability experiment system was built to study on the temperature measurement performance and spatial adaptation of the commercial sensor DS18B20 in the space environment. The results show that commercial temperature measurement sensor DS18B20 is accurate in a vacuum environment at-50~100°C; the new temperature measurement circuit design makes the temperature collection network cabling easier, and makes solving formula simpler by directly reading the temperature value.

• Periodical: Applied Mechanics and Materials (Volumes 635-637)
• Pages: 760-767
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.635-637.760
• Online since: September 2014
• Authors: Zhi Ming Xu, Peng Liu, Xin Ya Chang
• Keywords: Commercial Measurement Sensor DS18B20, Experiment, Space Environment Adaptation, Space Measurement System Design

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