摘要
负温度系数热敏电阻是电阻值随温度升高而降低的热敏电阻传感器,具有稳定性好、响应快、寿命长、成本低等特点。由于热敏电阻互换性较差,因此,在使用前需要进行温度-电阻曲线拟合。本文针对S-H和HOGE-2两种常用拟合方程,讨论了拟合数据采集方法对拟合结果的影响。结果表明,温度均匀分布选点策略可以得到较好的拟合结果。
Negative temperature coefficient thermistor(NTC)is a thermistor sensor which resistance decreases with increasing temperature.NTC has the characteristics of good stability, fast response, long life and low cost.Due to the poor interchangeability of thermistors, temperature-resistance fitting is required before use.In this paper, the influence of fitting data acquisition method on the fitting results is discussed for the two commonly used fitting equations of S-H and HOGE-2,and the results show that the temperature uniform distribution point selection strategy can obtain good fitting results.
作者
李艾橘
温换英
王海涛
LI Aiju;WEN Huanying;WANG Haitao
出处
《计量与测试技术》
2022年第11期1-3,共3页
Metrology & Measurement Technique
基金
东莞市社会发展科技项目(项目编号:20211800902252)
广东省市场监督管理局2022年度科技项目(项目编号:2022CJ01)
广东省计量科学研究院东莞计量院内项目(项目编号:2021KY001)。
关键词
负温度系数热敏电阻
温度-电阻拟合
选点策略
negative temperature coefficient thermistor
temperature-resistance fitting
point selection strategy
