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    • 2. 发明授权
    • High speed infrared radiation thermometer, system, and method
    • 高速红外辐射温度计,系统和方法
    • US06364524B1
    • 2002-04-02
    • US09289407
    • 1999-04-09
    • James R. Markham
    • James R. Markham
    • G01J500
    • G01J5/0022
    • The high-speed radiation thermometer has an infrared measurement wavelength band that is matched to the infrared wavelength band of near-blackbody emittance of ceramic components and ceramic thermal barrier coatings used in turbine engines. It is comprised of a long wavelength infrared detector, a signal amplifier, an analog-to-digital converter, an optical system to collect radiation from the target, an optical filter, and an integral reference signal to maintain a calibrated response. A megahertz range electronic data acquisition system is connected to the radiation detector to operate on raw data obtained. Because the thermometer operates optimally at 8 to 12 &mgr;m, where emittance is near-blackbody for ceramics, interferences to measurements performed in turbine engines are minimized. The method and apparatus are optimized to enable mapping of surface temperatures on fast moving ceramic elements, and the thermometer can provide microsecond response, with inherent self-diagnostic and calibration-correction features.
    • 高速辐射温度计具有红外测量波长带,其与陶瓷部件的近黑体辐射的红外波长带和涡轮发动机中使用的陶瓷热障涂层相匹配。 它由长波长红外检测器,信号放大器,模数转换器,用于收集来自目标的辐射的光学系统,光学滤波器和整体参考信号组成,以保持校准的响应。 一个兆赫兹范围的电子数据采集系统连接到辐射探测器以对所获得的原始数据进行操作。 由于温度计在8至12um的最佳情况下运行,其中发射体为陶瓷的近黑体,因此对涡轮发动机中执行的测量的干扰最小化。 该方法和装置被优化以使得能够在快速移动的陶瓷元件上映射表面温度,并且温度计可以提供微秒响应,具有固有的自诊断和校准校正特征。