浅析珠状热敏电阻在高空探空仪中的应用

The analysis of the bead thermistor's application in high-altitude radiosondes

在理解原型数字式珠状热敏电阻温度传感器电路设计思想的基础上,本文设计了满足高空探空仪需求的单项数字式珠状热敏电阻温度传感器电路,通过试验分析获取已选定的热敏电阻元件的传感特性数学公式及变换电路的变换特性数学公式,提出了单项数字式珠状热敏电阻温度传感器测温计算方法。

By understanding the circuit design principles of the digital prototype bead thermistor temperature sensor,this article has designed the circuit of the individual digital bead thermistor temperature sensor which can meet the needs of high-altitude radiosonde.According to the experimental analysis,we gain the mathematical formula of selected thermistor’s sensing features and converting mathematical formula of the conversion circuit.And it provides the measurement method of the digital single bead thermistor temperature sensor.