Journal
APPLIED THERMAL ENGINEERING
Volume 114, Issue -, Pages 279-286Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2016.11.205
Keywords
CdTe-QDs temperature sensor; High speed rolling bearing; Rolling elements monitoring
Funding
- Youth project of National Natural Science Foundation of China [51405375]
- Natural Science Foundation of Shaanxi Province - China [2015JQ5159]
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A novel wireless temperature sensor and non-intrusive temperature measurement method for bearing monitoring were proposed in this paper, based on spectrum parameter analysis of CdTe quantum dots films. The CdTe QDs were synthesized and were used in constructing of a sensor film by means of Layer-by-layer Electrostatic Self-assembly method. The fluorescence spectrum properties of the sensor were characterized. At rotation speed 5000-6000 r/min, bearing cage and inner ring temperature were presented first in this paper by the CdTe QDs sensor. The results were verified by theoretical analysis and by thermocouples, with an error typically below 10% or smaller. Compared to the traditional outer ring monitoring, the measurement and monitoring of bearing rolling elements is of very importance, especially at high rotation speed. (C) 2016 Elsevier Ltd. All rights reserved.
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