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    • 10. 发明授权
    • Autocalibrating dual sensor non-contact temperature measuring device
    • 自动校准双传感器非接触式温度测量装置
    • US5294200A
    • 1994-03-15
    • US859819
    • 1992-03-30
    • Dieter L. Rall
    • Dieter L. Rall
    • G01K7/00G01K1/16G01K13/04G01K13/06G01K17/00G01K7/02G01L5/04
    • G01K1/16G01K13/04G01K13/06
    • A device for measuring the temperature of an external moving filament is disclosed. The device includes dual thermal sinks or reference bodies; each reference body has two heat flow sensors that are matched in sensitivity and are connected in series. By utilizing dual thermal reference bodies, which are maintained at different temperatures, the device yields the absolute temperature of the filament by measuring the temperatures of the referenced bodies and the heat flow rates between each of the reference bodies and the filament. The device automatically calculates the proportionality constant between the heat flow rates and the temperature differences between the filament and the reference bodies and thus calculates the filament temperature. Each heat flow sensor has a row of sensitive elements or active junction lines that is not parallel to the path of the filament. This orientation of the sensitive elements provides more accurate temperature measurements even when the path of the filament should constantly change.
    • 公开了一种用于测量外部移动灯丝的温度的装置。 该装置包括双重散热器或参考体; 每个参考体具有两个灵敏度匹配并串联连接的热流传感器。 通过使用保持在不同温度的双重热参照体,通过测量参考体的温度和每个参考体和细丝之间的热流速,该装置产生丝的绝对温度。 该装置自动计算热流量与灯丝与基准体之间的温差的比例常数,从而计算灯丝的温度。 每个热流传感器具有一排不平行于灯丝路径的敏感元件或主动接合线。 即使当灯丝的路径不断变化时,敏感元件的这种方向也能提供更准确的温度测量。