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    • 3. 发明授权
    • Method of detecting stones in the intake of a field chopper
    • 检测田间砍刀摄入中石块的方法
    • US4720963A
    • 1988-01-26
    • US914634
    • 1986-10-02
    • Burkhard WeissArthur HauschildErich Herrmann
    • Burkhard WeissArthur HauschildErich Herrmann
    • A01D75/18A01F29/16
    • A01D75/187Y10S56/15
    • A hard foreign body in a stream of cut crop being moved by a conveyor in an agricultural machine to a crop comminuter of the machine is detected by first compressing the stream of cut crop transversely of its displacement direction between a pair of feed elements one of which is movable toward and away from the other and generating an actual-value output corresponding to the acceleration of the movable element toward and away from the other element. This output is compared with a set point corresponding to an acceleration level not normally exceeded by the element when the crop stream contains no hard foreign objects. An error signal is generated when the actual-value output exceeds the set point. When the error signal is issued advance of the conveyor is stopped and/or a warning is issued. The actual-value output is only generated when the acceleration of the movable feed element exceeds a predetermined limit. The actual-value output is a voltage and the set point is also a voltage.
    • 通过农业机械中的输送机将机器中的输送机移动到机器的切碎机上,将切割作物流中的硬异物通过在其一个进给元件之间首先压缩其位移方向横向的切割作物流 可以朝向和远离另一个移动并且产生对应于可移动元件朝向和远离另一元件的加速度的实际值输出。 将该输出与对应于当作物流不包含硬外来物体时元素通常不超过的加速度水平的设定点进行比较。 当实际值输出超过设定值时,会产生错误信号。 当发出错误信号时,传送带的前进停止和/或发出警告。 实际值输出仅在可动进给元件的加速度超过预定极限时产生。 实际值输出为电压,设定点也为电压。
    • 5. 发明授权
    • Device for recognizing ferromagnetic foreign bodies, in particular in
respect of harvesting machines
    • 用于识别铁磁异物的装置,特别是在收割机方面
    • US5343676A
    • 1994-09-06
    • US989841
    • 1992-12-10
    • Burkhard Weiss
    • Burkhard Weiss
    • A01D75/18A01F25/16G01V3/08G01V3/10G01V3/11
    • G01V3/08A01D75/187
    • In a device for recognizing ferromagnetic foreign bodies, for protecting the working members of a harvesting machine, having a magnetic field generating device (9), the lines of flux of which run transversely to the direction of transport, and having assigned pick-up coils (15; 16; 17), it is intended to improve the recognition range across the entire width of the feed system, whilst keeping costs low. At the same time, it is intended better to suppress disturbance signals. For this purpose, the magnetic field generating device (9) comprises an odd number of magnetic poles (12; 13; 14), the two outer magnetic poles (13; 14) possessing the same polarity. At least every second magnetic pole (12) is enclosed by a pick-up coil (15). Expediently, three magnetic poles (12; 13; 14) are present, which are all enclosed by a pick-up coil (15; 16; 17) each. The pick-up coils (15; 16; 17) are connected up such that the induced voltages are added together.
    • 在用于识别铁磁异物的装置中,为了保护具有磁场产生装置(9)的收割机的工作构件,其通量线横向于运输方向延伸,并具有分配的拾取线圈 (15; 16; 17),旨在提高进料系统整个宽度的识别范围,同时保持低成本。 同时,更好地抑制干扰信号。 为此,磁场产生装置(9)包括奇数个磁极(12; 13; 14),两个具有相同极性的外磁极(13; 14)。 至少每个第二磁极(12)由拾取线圈(15)包围。 方便地,存在三个磁极(12; 13; 14),它们都由拾取线圈(15; 16; 17)包围。 拾取线圈(15; 16; 17)连接起来,使得感应电压相加在一起。
    • 8. 发明授权
    • Metal detector for detecting metal in harvested product flow
    • 用于检测收获产品流中金属的金属探测器
    • US5901534A
    • 1999-05-11
    • US859594
    • 1997-05-20
    • Burkhard WeissKlaus Schulze
    • Burkhard WeissKlaus Schulze
    • A01D75/18G01V3/08
    • G01V3/08A01D75/187Y10S56/15
    • A metal detector for detecting metal in a harvested product flow has a plurality of permanent magnets for producing a magnet field which passes through a harvested product flow region, a plurality of coils associated with the permanent magnets so that when a foreign body passes through the magnet field useful signals are produced, a signal processing unit operative for processing of the produced useful signals, a plurality of amplifiers and filters each connected to a respective one of the coils, a plurality of threshold value switches each connected with respect to one of the amplifiers and the filters and having output, an OR-circuit connected with the outputs of the threshold values, and stopping mechanisms connected with the OR-circuit.
    • 用于检测收获产品流中的金属的金属检测器具有多个用于产生通过收获产品流动区域的磁场的永磁体,与永久磁铁相关联的多个线圈,使得当异物通过磁体 产生现场有用信号,用于处理所产生的有用信号的信号处理单元,各自连接到相应的一个线圈的多个放大器和滤波器,多个阈值开关,各自相对于放大器之一连接 并且具有输出的滤波器,与阈值的输出相连的OR电路,以及与OR电路连接的停止机构。
    • 9. 发明授权
    • Stone detector for field chopper
    • 地面斩波器石探测器
    • US4776154A
    • 1988-10-11
    • US914633
    • 1986-10-02
    • Burkhard WeissArthur HauschildErich Herrmann
    • Burkhard WeissArthur HauschildErich Herrmann
    • A01D75/18A01F29/16
    • A01D75/187Y10S56/15
    • An agricultural machine has a machine frame adapted to move along the ground in a normal travel direction, a crop cutter on the front of the frame, and a crop comminuter carried on the frame behind the cutter. An intake device including a generally fixed feed element on the frame and another feed element displaceable on the frame toward and away from the fixed feed element is operated by a stoppable drive connected to the fixed feed element to feed the cut crop as a stream back in the transport direction to the comminuter. The displaceable element compacts the stream of cut crop against the fixed feed element. An accelerometer is connected between the displaceable feed element and the frame for joint displacement with the displaceable feed element and generates an output corresponding to acceleration of the displaceable feed element toward and away from the fixed element. The machine may also have an alarm. A controller connected between the accelerometer and the drive and/or the alarm stops the feed and/or sounds the alarm when the output exceeds a predetermined limit indicating presence of a massive object between the elements.
    • 农业机械具有适于在正常行进方向上沿着地面移动的机架,在框架前部的作物切割器和在切割器后面的框架上承载的作物粉碎机。 包括在框架上的大体上固定的进给元件和可在框架上朝向和远离固定进给元件移动的进给装置的进气装置通过连接到固定进料元件的可停止的驱动器操作,以将切割的作物作为流返回 运输方向到摊铺机。 可移动元件将切割的料料流压紧固定的进料元件。 加速度计连接在可移动进给元件和框架之间,用于与可移动进给元件的联接位移,并产生对应于可移动进给元件朝向和远离固定元件的加速度的输出。 机器也可能有报警。 连接在加速度计和驱动器和/或警报器之间的控制器在输出超过预定的限制时停止进给和/或发出报警,指示在元件之间存在大量物体。
    • 10. 发明授权
    • Metal detector for intake of field chopper
    • 金属探测器用于野外斩波器的摄入
    • US4758788A
    • 1988-07-19
    • US946427
    • 1986-12-23
    • Burkhard WeissArthur HauschildErich Herrmann
    • Burkhard WeissArthur HauschildErich Herrmann
    • A01D75/18G01V3/08A01D75/28G01R33/12G08B21/00
    • G01V3/08A01D75/187
    • An apparatus for detecting magnetically sensible objects in an object stream longitudinally passing a predetermined location, for instance at the intake end of the conveyor of a field chopper, has according to the invention a support at the location extending transversely adjacent the object stream and having a pair of transverse ends and a center therebetween and a magnet assembly on the support having a north pole directed from between one of the ends and the center of the support transversely of the support and of the stream into the crop stream and a south pole directed parallel to the north pole from between the other end and the center of the support. The assembly forms between its poles a magnetic field having lines of force extending mainly transversely through the stream. Respective north and south sensing coils at least partially surround the respective poles so that a magnetically sensible object perturbing the field will generate respective currents in the coils. Conductors connect the coils in series such that the currents generated therein by perturbation of the field by a magnetically sensible object are added together and a controller is connected to the coils for reacting, for instance by sounding or illuminating an alarm or by shutting down the conveyor drive, when the currents exceed a predetermined minimum.
    • 用于检测纵向通过预定位置的物流中的磁敏物体的设备,例如在场斩光器的传送器的进气端处,根据本发明,在位于横向邻近物流并且具有 一对横向端和它们之间的中心,并且在支撑件上的磁体组件具有北极,其从一个端部和支撑件的中心之间横向于支撑件和流体进入作物流,并且南极定向平行 从另一端到支架的中心之间的北极。 组件在其极之间形成具有主要横向延伸穿过流的力线的磁场。 各个北和南感测线圈至少部分地围绕相应的极点,使得扰动场的磁敏物体将在线圈中产生相应的电流。 导体将线圈串联连接,使得其中通过磁敏物体扰动场产生的电流被加在一起,并且控制器连接到线圈,用于例如通过探测或照亮报警器或关闭输送机 当电流超过预定最小值时。