| 防爆柴油机车自动保护装置测温方法研究 |
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| 引用本文： | 李飞.防爆柴油机车自动保护装置测温方法研究[J].工矿自动化,2012,38(11):81-83. |
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| 作者姓名： | 李飞 |
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| 作者单位： | 神华神东煤炭集团有限责任公司设备管理中心,陕西神木,719315 |
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| 摘 要： | 分析了常用的温度监测方法,指出铂热电阻测温方法比较适用于柴油机车自动保护装置的温度监测,并介绍了铂热电阻测温方法的具体实现。该方法根据ADC采样值计算铂热电阻的阻值,并根据铂热电阻与测点温度的关系计算温度值。工业现场应用结果表明,该测温方法反应速度快,在测温范围内特性稳定,长期运行温度无漂移。
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| 关 键 词： | 防爆柴油机车 自动保护装置 温度监测 铂热电阻 曲线拟合 |
Research of Temperature Measuring Method of Automatic Protection Device of Explosion-proof Diesel Locomotive |
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| LI Fei.Research of Temperature Measuring Method of Automatic Protection Device of Explosion-proof Diesel Locomotive[J].Industry and Automation,2012,38(11):81-83. |
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| Authors: | LI Fei |
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| Affiliation: | LI Fei(Device Management Center of Shenhua Shendong Coal Group Co.,Ltd.,Shenmu 719315,China) |
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| Abstract: | The paper analyzed common temperature monitoring methods,pointed out that the temperature measuring method of platinum thermistor is suitable for temperature monitoring of automatic protection device of diesel locomotive,and introduced specific implementation of the method.The method calculates value of platinum thermistor according to ADC sampling value,and then calculates temperature according to relationship of platinum thermistor and temperature of measuring points.The industrial field application result shows that the method responses fast with stable feature in temperature measuring range and has no temperature drift during long running process. |
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| Keywords: | explosion-proof diesel locomotive automatic protection device temperature monitoring platinum thermistor curve fitting |
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