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首页> 外文会议>International Conference on Mechanical Engineering and Mechanics vol.1; 20051026-28; Nanjing(CN) >Optimal Design of a High-Resolution Smart Temperature Sensor Using Quartz Tuning Fork Resonator and Experimental Test of Samples
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Optimal Design of a High-Resolution Smart Temperature Sensor Using Quartz Tuning Fork Resonator and Experimental Test of Samples

机译：石英音叉谐振器的高分辨率智能温度传感器的优化设计及样品实验测试

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摘要

In this paper, a new method for designed a quartz tuning-fork temperature sensor was expressed. The resonator was designed by the finite element method (FEM) analysis. This type of sensor designed with a new ZYtw-cut was proved that working at flexural vibration mode was better than at the others. The way for raising SNR and reducing equivalent resistor of the sensor were analyzed in detail. Precise temperature versus frequency analyses of resonators has been carried out and Least Mean Squared (LMS) curve fit algorithm can be used to compute the temperature values quantitatively. The results obtained from the experimental investigations show the method which synthesize many factors to design quartz tuning-fork temperature sensor which uses ZYtw-cut can ensure the temperature coefficient up to 60ppm/℃ and power consumption smaller, the temperature sensor based on quartz tuning-fork thermo-sensitive resonator for use from -30℃ to 160℃ with an accuracy of 0.01 ℃ and a useable resolution of 0.0001℃. It is show that it is possible to construct a miniature quartz tuning-fork temperature sensor with high sensitivity and small non-linearity.
机译：提出了一种设计石英音叉温度传感器的新方法。通过有限元方法（FEM）分析来设计谐振器。事实证明，使用新型ZYtw切口设计的此类传感器在弯曲振动模式下的工作性能要优于其他模式。详细分析了提高信噪比和减少传感器等效电阻的方法。已经对谐振器进行了温度与频率的精确分析，并且可以使用最小均方（LMS）曲线拟合算法来定量计算温度值。从实验研究中获得的结果表明，综合多种因素来设计采用ZYtw-cut的石英音叉温度传感器的方法可以确保温度系数高达60ppm /℃且功耗较小，基于石英音叉的温度传感器叉形热敏谐振器，适用于-30℃至160℃的温度范围，精度为0.01℃，可用分辨率为0.0001℃。结果表明，可以构建一种灵敏度高，非线性度小的石英音叉温度传感器。

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