Temperature field single spectrum detection method

单光谱检测温度场的方法

Abstract

本发明涉及荧光测温领域,具体涉及一种单光谱检测温度场的方法。本发明的核心部份是使用本征发光特征不相同的多个温度敏感荧光材料构成多个点温度传感器,激发光照射到各个温度探测点上,各点不同的荧光材料发出的荧光经会聚或合束后进入光谱仪,叠加记录在同一个发射光谱上,该光谱携带了各个探测点的温度信息,从光谱上选取各荧光材料互不干扰的温敏荧光特征,基于各荧光特征的温敏函数解析出各荧光材料所处探测点的实时温度。该实时温度场信息可以用于监控热流过程、分析被测表面的温度均匀性。
The present invention relates to the fluorescence temperature measurement field, in particular to a temperature field single spectrum detection method. The core parts of the present invention are that a plurality of temperature sensitive fluorescent materials having different intrinsic luminescent characteristics form a plurality of point temperature sensors, excitation light irradiates to the temperature detection points, and the fluorescence emitted by the different fluorescent materials is converged or beam combined, then enters a spectrograph and is superposed and recorded in a same emission spectrum; the spectrum carries the temperature information of the detection points, the non-interfering temperature-sensitive fluorescence characteristics of the fluorescent materials are selected from the spectrum, and the real-time temperatures of the fluorescent materials at the detection points are analyzed based on the temperature-sensitive functions of the fluorescence characteristics. The real-time temperature field information can be used to monitor a heat flux process and analyze the temperature uniformity of a tested surface.

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