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    • 1. 发明授权
    • Device for detecting quality alterations in bulk goods transported on
moving belt conveyors
    • 用于检测在移动带式输送机上运输的散装货物质量变化的装置
    • US5410154A
    • 1995-04-25
    • US211953
    • 1994-05-06
    • Heribert F. BroicherArthur Zydek
    • Heribert F. BroicherArthur Zydek
    • B07C5/342G01N21/64G01N21/85G01N21/01G01N21/17G01N21/62
    • G01N21/64B07C5/3427G01N21/85G01N2021/6417
    • A device for detecting quality alterations in bulk goods transported on moving belt conveyors comprising a pulsed, monochromatic light source (1), frequency multipliers (2) and dichroic mirrors (3) or prisms to simultaneously generate several light beams having different wavelengths and irradiate several spots (6) of the flow of bulk goods on the belt conveyor (7). In addition, a detector unit is provided for observing the irradiated spots (6) in the flow of bulk goods for measuring excited photoluminescence, reflected light and temperatures, as well as for carrying out signal analysis with time resolution. The triggering of the device is adapted to the running speed of the belt conveyor (7) and allows the same area of the moving flow of the bulk goods to be irradiated several times in the spots (6) with beams having different wavelengths. The signal analysis includes detecting signal intensity and the fading behaviour of the signals in defined spectral ranges. The device does not affect operation of the belt conveyor but makes possible the control of subsequent devices.
    • PCT No.PCT / EP92 / 02483第 371日期:1993年5月6日 102(e)日期1994年5月6日PCT提交1992年10月30日PCT公布。 公开号WO93 / 10436 日期:1993年5月27日。一种用于检测在移动带式输送机上运输的散装货物质量变化的装置,包括脉冲单色光源(1),倍频器(2)和分色镜(3)或棱镜,以同时产生若干光束 具有不同的波长并照射带式输送机(7)上的散装货物流的几个点(6)。 此外,提供检测器单元,用于观察用于测量激发的光致发光,反射光和温度的散装货物流中的照射点(6),以及用于以时间分辨率执行信号分析。 装置的触发适用于带式输送机(7)的运行速度,并允许散装货物的移动流的相同区域在具有不同波长的波束的点(6)中被照射若干次。 信号分析包括检测信号强度和信号在限定光谱范围内的衰落行为。 该设备不影响皮带输送机的操作,但可以控制后续设备。