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    • 4. 发明授权
    • Non-contact thermometer
    • 非接触式温度计
    • US5826980A
    • 1998-10-27
    • US704184
    • 1996-08-28
    • Katsumi KouzuShigehiro YoshiuchiKoji OikeMasaaki MatsuiKazuto Kume
    • Katsumi KouzuShigehiro YoshiuchiKoji OikeMasaaki MatsuiKazuto Kume
    • G01J5/02G01J5/00G01J5/34G01J5/08G01J5/04G01K3/06
    • G01J5/34G01J5/0022
    • A non-contact thermometer uses a pyroelectric infrared sensor which makes it possible to measure temperatures of an object having a large area required to be measured, and at a plurality of points. The thermometer sets up a reference position without using a position detecting switch and also improves the accuracy of measuring the temperature due to its increased amount of incident infrared rays transmitted as a result of reducing the motor speed and extending the time of measurement at the point where infrared rays of the object to be measured is to be detected. The thermometer's stepping motor is fed with its operation step input and brought to a stop at the reference exciting phase of the motor which has been set up in advance. The whole measurement operation thereafter is arranged to proceed, starting from the above exciting phase serving as the reference, at which point the motor was brought to a stop.
    • 非接触温度计使用热电红外传感器,其使得可以测量具有需要测量的大面积的物体的温度以及多个点。 温度计不使用位置检测开关而设置基准位置,并且由于降低电机速度和延长测量时间而使传入的入射红外线的量增加,从而提高了测量温度的精度。 要检测待测物体的红外线。 温度计的步进电机输入其操作步进输入,并在预先设置的电机的参考励磁相位停止。 其后的整个测量操作被设置为从作为参考的上述激励相开始,在此时电动机停止。