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    • 5. 发明授权
    • Ratio type infrared thermometer
    • 比率型红外线温度计
    • US5815410A
    • 1998-09-29
    • US643222
    • 1996-05-03
    • Thomas HeinkeJose YsaguirreSteve KingPaul Carlson
    • Thomas HeinkeJose YsaguirreSteve KingPaul Carlson
    • G01J5/22G01J5/10
    • G01J5/22
    • An improved ratio type infrared thermometer utilizes integrating amplifiers for each waveband having the integration time automatically set so that the output voltage utilizes the full range of an analog to digital convertor. The gain and offset of the amplifiers is not ambient temperature dependent so accurate digital representations of the signal for each waveband are provided. The linearized output of each detector is optionally provided so that special or proprietary algorithms for computing the temperature of colored objects can be utilized. A special feature for downloading of updated new programs utilizes a "programming jumper" and an attenuation warning signal is provided for selected levels of attenuation.
    • 改进的比率型红外温度计利用积分时间自动设置的每个波段的积分放大器,使得输出电压利用模数转换器的全范围。 放大器的增益和偏移量不是环境温度,因此提供了每个波段的信号的精确数字表示。 可选地提供每个检测器的线性化输出,使得可以利用用于计算有色物体的温度的特殊或专有算法。 用于下载更新的新程序的特殊功能使用“编程跳线”,并且为选定的衰减水平提供衰减警告信号。
    • 9. 发明授权
    • Pyrometer electromagnetic radiation measuring device
    • 高温计电磁辐射测量装置
    • US5640015A
    • 1997-06-17
    • US546988
    • 1995-10-23
    • Ulrich KienitzThomas HeinkeUwe KlonowskiPeter PreussHolger SandringVolker Schmidt
    • Ulrich KienitzThomas HeinkeUwe KlonowskiPeter PreussHolger SandringVolker Schmidt
    • G01J5/00G01J5/10G01J5/52G01J5/06
    • G01J5/52
    • A pyrometer for measuring the electromagnetic radiation emitted by an object comprises a first detector to which the radiation is delivered through an optical system as well as a second detector to which the radiation emanating from a reference element is delivered through the same optical system. The temperature of the reference element is monitored and a rotary optical modulator periodically enables and disables the delivery of radiation to the detectors. The output signals from the two detectors are processed to determine the difference therebetween. The sensed temperature of the reference element is taken into account as a part of determining the difference between the two detector output signals. In this way it is possible for the characteristic radiation of the optical system largely to be suppressed. The optical modulator comprises a semi-circular disk having a polyethylene terephthalate substrate coated on each side with metal. The disk is rotated through 180.degree. increments by a stepping motor such that, in one angular position, the disk permits reception by the two detectors of radiation from the optical system and, in the other angular position, the disk prevents reception by the detectors of radiation from the optical system.
    • 用于测量由物体发射的电磁辐射的高温计包括第一检测器,辐射通过光学系统传送到该第一检测器,以及第二检测器,从参考元件发出的辐射通过该第二检测器传送通过相同的光学系统。 监测参考元件的温度,并且旋转光学调制器周期性地启用和禁止向检测器传送辐射。 来自两个检测器的输出信号被处理以确定它们之间的差异。 作为确定两个检测器输出信号之间的差异的一部分,考虑了参考元件的感测温度。 以这种方式,可以抑制光学系统的特征辐射。 该光学调制器包括一个半圆形盘,其中每侧用金属涂覆聚对苯二甲酸乙二酯基材。 磁盘通过步进电机旋转180度,使得在一个角度位置,磁盘允许两个检测器接收来自光学系统的辐射,并且在另一角度位置,磁盘防止检测器 来自光学系统的辐射。