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现有的热敏电阻(包括部分热释电)探测器为敏感元件的红外轴温探测装置,只能比较轴箱表面辐射和光栅背景辐射差值,以所得到的相对信息来判别是否燃轴。但要用这种相对信息准确地判定微热、强热和激热状态是十分困难的。因此,有必要对探头进行深入的探讨和实验。
The existing thermistor (including partial pyroelectric detector) is an infrared axial temperature detecting device of a sensitive component, and only the difference between the surface radiation of the axle box and the background radiation of the grating can be compared, and the relative information obtained is used to judge whether the combustion shaft . However, it is very difficult to accurately determine the micro-heat, intense heat and heat state with such relative information. Therefore, it is necessary to conduct in-depth probe and experiment.