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    Stone detection method and apparatus for a harvester
    1.
    发明公开
    Stone detection method and apparatus for a harvester 有权
    在Erntemaschinen的Verfahren und Apparat zur Detektion von Steinen

    公开(公告)号：EP1731020A1

    公开(公告)日：2006-12-13

    申请号：EP06115178.3

    申请日：2006-06-08

    申请人： CNH Belgium N.V.

    发明人： Berger, John G. ,  Heinsey, David N. ,  Crego, John B.

    IPC分类号： A01F12/16 ,  A01D75/18

    CPC分类号： A01F12/16 ,  A01D75/187

    摘要： A hard object or stone detection method and apparatus for detecting and removing discrete hard foreign objects from mobile agricultural equipment, particularly an agricultural harvester (1) including apparatus (12) for providing a flow of cut crop material to an elevator (21) for delivery to a threshing system (3). The apparatus includes a foreign object detecting mechanism (35), including a foreign object detecting circuit (42) for detecting foreign objects and an object exclusion or rejection mechanism (44) operationally connected to be activated by the detecting circuit. The detecting circuit includes at least one vibration sensor (40) operable for outputting a signal (I1), and a combination of a high pass filters (140) and frequency bandpass filters (52, 152) and variable threshold comparators (54, 154) for processing the signal along first and second signal paths, and at least one microprocessor (60) or microcontroller including a pulse rejection network. The microprocessor can be electronically connected to control the threshold comparators and programmable amplifiers, and activates the object exclusion or rejection mechanism when the pulse rejection network generates an internal signal indicating presence of a hard object.

    摘要翻译： 一种用于从移动农业设备，特别是农业收割机（1）中检测和去除离散的硬外来物体的硬物体或石头检测方法和装置，包括用于向电梯（21）提供切割作物材料流的装置（12） 到脱粒系统（3）。 该装置包括异物检测机构（35），其包括用于检测异物的异物检测电路（42）和可操作地连接以被检测电路激活的物体排除或拒绝机构（44）。 检测电路包括至少一个可操作以输出信号（I1）的振动传感器（40），以及高通滤波器（140）和频带滤波器（52,152）和可变阈值比较器（54,154）的组合， 用于沿着第一和第二信号路径处理信号，以及至少一个微处理器（60）或包括脉冲抑制网络的微控制器。 微处理器可以电连接以控制阈值比较器和可编程放大器，并且当脉冲抑制网络产生指示存在硬物体的内部信号时，激活对象排除或拒绝机制。

    Stone detection method and apparatus for harvester
    2.
    发明公开
    Stone detection method and apparatus for harvester 有权
    用于检测脱粒结石的方法和装置

    公开(公告)号：EP1338189A1

    公开(公告)日：2003-08-27

    申请号：EP03100426.0

    申请日：2003-02-21

    申请人： CNH Belgium N.V.

    发明人： Heinsey, David N. ,  Strosser, Richard P. ,  Berger, John G. ,  Digman, Michael J.

    IPC分类号： A01F12/16

    CPC分类号： A01F12/16 ,  A01D75/187

    摘要： An agricultural harvester (1) having a header with a reel (13) and an auger (15), wherein the reel and the auger provide crop material to an elevator (21) and a foreign object detecting apparatus (35), wherein said apparatus includes a foreign object detecting circuit (42) for detecting foreign objects and an object extrusion mechanism (44) operationally connected to be activated by the detecting circuit. The detecting circuit (42) includes a first vibration sensor (40), a programmable amplifier (50), a frequency bandpass filter (52), a variable threshold comparator (54), and a microprocessor (60) including a pulse rejection network. The microprocessor is electronically connected to control the threshold comparator (54) and the programmable amplifier (50), and activates the object extrusion mechanism (44) when the pulse rejection network generates an internal signal. Also, a method for detecting and removing foreign objects from cut crop material is disclosed.

    Acoustic stone detection for a feeder house on an agricultural combine.
    4.
    发明公开
    Acoustic stone detection for a feeder house on an agricultural combine. 有权
    Akustische Detektion von SteinenfüreinSchrägfördergehäuseeinesMähdreschers

    公开(公告)号：EP1731019A1

    公开(公告)日：2006-12-13

    申请号：EP06115129.6

    申请日：2006-06-08

    申请人： CNH Belgium N.V.

    发明人： Berger, John G. ,  Heinsey, David N. ,  Crego, John B. ,  Moyer, Terry S.

    IPC分类号： A01F12/16 ,  A01D75/18

    CPC分类号： A01F12/16 ,  A01D75/187

    摘要： The invention relates to a stone detection and ejection system (35) on the feeder house (21) of an agricultural combine (1) and an acoustic array (40) positioned beneath the front drum (22) and having an acoustic sensor (41) and sounding plate (42). The sounding plate is generally parallel to the feeder house floor (25a) and includes interruptions (38) configured upon its surface (36) to ensure that a stone (30) or other hard object, sliding over its surface, or a flow of crop material (31) carrying a stone, excites the plate (42) to a sufficient magnitude detectable by the acoustic sensor.

    摘要翻译： 本发明涉及一种位于农业联合体（1）的饲养室（21）上的石头检测和排出系统（35）和位于前鼓（22）下方并具有声传感器（41）的声阵（40） 和探测板（42）。 所述探测板通常平行于所述馈送器房屋地板（25a）并且包括在其表面（36）上构造的中断（38），以确保在其表面上滑动的石头（30）或其他硬物体或作物流 携带石头的材料（31）将板（42）激发到由声学传感器检测到的足够大的量级。