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公开(公告)号：US4639666A
公开(公告)日：1987-01-27
申请号：US644422
申请日：1984-08-27
CPC分类号： G01V13/00
摘要： The metal detector circuitry for a forage harvester is provided with a socket for receiving a pluggable unit, the arrangement being such that a resistor in the pluggable unit is connected into the detection circuitry of a metal detector whereby the sensitivity of the metal detector may be changed by inserting into the socket a pluggable unit containing a resistor of a different value. A metal detector test assembly connected to the metal detector through the socket, provides a means for testing the sensitivity of the metal detector and its associated circuitry. The test assembly includes a signal unit which is placed adjacent the metal detector sensing unit and generates a magnetic field that is sensed by the sensing unit, and a test box with circuitry, indicators and switches for selectively checking the sensitivity of the metal detector and correct operation of its associated circuitry.
摘要翻译： 用于饲料收割机的金属检测器电路设置有用于接收可插拔单元的插座，该插座使得可插拔单元中的电阻器连接到金属检测器的检测电路中，从而可以改变金属检测器的灵敏度 通过在插座中插入包含不同值的电阻器的可插拔单元。 通过插座连接到金属检测器的金属检测器测试组件提供了一种用于测试金属检测器及其相关电路的灵敏度的手段。 测试组件包括信号单元，该信号单元放置在金属检测器感测单元附近并产生由感测单元感测的磁场，以及具有电路，指示器和开关的测试盒，用于选择性地检查金属检测器的灵敏度并校正 其相关电路的操作。
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公开(公告)号：US4344074A
公开(公告)日：1982-08-10
申请号：US250510
申请日：1981-04-02
CPC分类号： G01V3/08 , A01D75/187 , Y10S56/15
摘要： Metal detectors having parallel magnetic fields produce signals which vary depending upon the shape and orientation of a metal object passing through the field. An improved metal detector sensor includes a magnet of special configuration having a multi-directional magnetic field resulting in a detector which is insensitive to orientation of the detected metal. One embodiment of the magnet is a pattern of cylindrical poles with the opposing pole central to the cylinder, thus creating a multiplicity of radially extending magnet fields. An alternate embodiment of the invention is an offset pattern of opposite poles which create two groups of fields, each at an angle to the general direction of movement of the material fed into the machine.
摘要翻译： 具有平行磁场的金属检测器产生根据通过场的金属物体的形状和取向而变化的信号。 改进的金属检测器传感器包括具有多方向磁场的特殊结构的磁体，导致检测器对检测到的金属的取向不敏感。 磁体的一个实施例是圆柱形磁极的图案，其中相对的磁极中心到气缸，从而产生多个径向延伸的磁场。 本发明的替代实施例是相反磁极的偏移图案，其产生两组磁场，每组磁场与馈送到机器中的材料的大体运动方向成一角度。
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3.再颁专利
公开(公告)号：USRE34946E
公开(公告)日：1995-05-23
申请号：US831631
申请日：1992-02-07
CPC分类号： A01F29/09 , A01D2101/00
摘要： Under the control of a microprocessor first and second motors alternately drive first and second ends of a shear bar for adjusting the position of the shear bar relative to cutter head. The shear bar is adjusted so that it is substantially parallel to the cutter head even though the cutter head and shear bar may not be parallel at the time the adjustment is initiated. A knock sensor is provided for sensing impacts between the cutter head and shear bar, the knock sensor output signal being converted to a digital value for controlling the adjusting sequence. A knocker is provided for inducing vibrations in the shear bar to thereby test the operability of the knock sensor and its output circuitry. The sensitivity of the adjustment system to the output of the knock sensor is set automatically before an adjustment sequence begins to account for variations in the knock sensor, its output circuitry, and "noise" vibrations induced in the shear bar by normal machine operation.
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4.发明授权
公开(公告)号：US4799625A
公开(公告)日：1989-01-24
申请号：US46011
申请日：1987-05-05
CPC分类号： A01F29/09 , A01D34/62 , A01F29/095 , A01D2101/00
摘要： Under the control of a microprocessor first and second motors alternately drive first and second ends of a shear bar for adjusting the position of the shear bar relative to cutter head. The shear bar is adjusted so that it is substantially parallel to the cutter head even though the cutter head and shear bar may not be parallel at the time the adjustment is initiated. A knock sensor is provided for sensing impacts between the cutter head and shear bar, the knock sensor output signal being converted to a digital value for controlling the adjusting sequence. A knocker is provided for inducing vibrations in the shear bar to thereby test the operability of the knock sensor and its output circuitry. The sensitivity of the adjustment system to the output of the knock sensor is set automatically before an adjustment sequence begins to account for variations in the knock sensor, its output circuitry, and "noise" vibrations induced in the shear bar by normal machine operation.
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公开(公告)号：US4788813A
公开(公告)日：1988-12-06
申请号：US143471
申请日：1988-01-13
IPC分类号： A01D75/18
CPC分类号： A01D75/187
摘要： In a forage harvester having a metal detector with permanent magnets located within a crop feed roll, additional permanent magnets are positioned beyond the ends of the feed roll and at a distance greater than the radius of the feed roll from the axis of rotation of the feed roll. The additional magnets cooperate with magnets within the feed roll to provide a more uniform flux density across the width of the feed roll, even in regions near ferrous side sheets defining the lateral limits of the harvester feed path. Tramp metal is thus detected with equal facility regardless of its trajectory past the feed roll.
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公开(公告)号：US4603379A
公开(公告)日：1986-07-29
申请号：US599907
申请日：1984-04-13
IPC分类号： A01F15/14 , G05B19/042 , B30B13/00 , G06F15/20
CPC分类号： A01F15/141 , G05B19/042 , A01F2015/076 , G05B2219/23421 , G05B2219/24125
摘要： An automatic round or roll baler includes a microprocessor controlled signal processing circuit for controlling the wrapping of bales in a predetermined wrapping pattern. The wrapping pattern is generated by selectively actuating switches to produce a wrap sequence table containing control words. The control words are subsequently accessed in sequence to control the application of control signals to a motor which drives a twine dispensing mechanism. The last control word stored in the sequence table includes a "home" code which causes the motor to be driven in a direction toward a home position. A home position switch is provided for sensing when the twine dispensing mechanism is in the home position. In response to the home code the twine dispensing mechanism is driven toward the home position until the home switch is actuated at which time the drive to the twine dispensing mechanism is terminated. This insures that each bale wrapping sequence begins with the twine dispensing mechanism in the home position. A time count is initiated when the home control word is accessed and if the time count should expire before the home position switch senses that the dispensing mechanism reaches the home position the microprocessor locks into a loop so that the operator must intervene to correct the malfunction.
摘要翻译： 自动圆形打包机包括微处理器控制的信号处理电路，用于以预定的包装图案控制捆包裹。 通过选择性地致动开关以产生包含控制字的包装顺序表来产生包装图案。 随后顺序地访问控制字以控制控制信号对驱动麻线分配机构的马达的应用。 存储在序列表中的最后一个控制字包括一个“home”代码，它使电动机沿朝向原始位置的方向被驱动。 提供原点位置开关用于在线束分配机构处于原位时进行感测。 响应于家庭代码，线束分配机构被驱动到原始位置，直到启动家庭开关，此时终止对线束分配机构的驱动。 这确保每个包裹包装顺序从起始位置的麻线分配机构开始。 当访问家用控制字时，启动时间计数，并且如果在原位开关感测到分配机构到达原始位置之前时间计数应该过期，则微处理器锁定到回路中，以便操作者必须介入以纠正故障。
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公开(公告)号：US4854113A
公开(公告)日：1989-08-08
申请号：US138985
申请日：1987-12-29
CPC分类号： G01V3/10 , A01D75/187
摘要： A method and apparatus for cancelling cyclically recurring noise induced in a magnetic metal detector by movement of ferrous machine parts in the field of the detector provides for periodically sampling the output of the metal detector, delaying each sample for the duration of one cycle of the cyclically recurring noise, and subtracting the samples taken in one cycle from the output of the metal detector during the following cycle. The delay is accomplished by a delay line or shift register, or by storing the samples under microprocessor control. If the noise has a first component occuring at a first rate and a second component occuring at a second rate cancellation of both components may be accomplished.
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公开(公告)号：US5078645A
公开(公告)日：1992-01-07
申请号：US603606
申请日：1990-10-26
CPC分类号： A01F29/16 , A01D75/187 , Y10S56/15
摘要： A thin film highly directional audible sound sensor is mounted within a rotatable feed roll of a forage harvester to detect the presence of stones and other hard foreign objects in a crop material being fed past the feed roll to a cutter mechanism. Air-borne sound waves produced by the impact of foreign objects on metal parts of the harvester are detected by the sensor which produces a signal for stopping the crop feed mechanism before the foreign objects reach the cutter mechanism. The sensor is mounted on a stationary support within the rotatable feed roll. Output signals from the sensor control a stop mechanism for the crop feed mechanism via conductors extending through a stationary support shaft for the feed roll, thereby avoiding the need to commutate output signals from the detector.
摘要翻译： 一种薄膜高度方向的声音传感器安装在饲料收割机的可旋转进料辊内，以检测在通过进料辊送入切割机构的作物材料中存在的石头和其它硬的异物。 由异物对收割机的金属部件产生的空气声波由传感器检测到，该传感器在异物到达切割机构之前产生用于停止作物进给机构的信号。 传感器安装在可旋转进给辊内的固定支撑件上。 来自传感器的输出信号通过延伸穿过馈送辊的固定支撑轴的导体控制作物馈送机构的停止机构，从而避免了从检测器换向输出信号的需要。
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公开(公告)号：US4844675A
公开(公告)日：1989-07-04
申请号：US56182
申请日：1987-06-01
CPC分类号： A01D90/08 , A01D85/005 , Y10S414/13
摘要： A bale accumulator and optional caboose are controlled by a microprocessor-based control circuit associated with and controlling the baler which pulls the bale accumulator. The control circuit monitors bale switches actuated by the presence of bales on four tables, two switches indicating the position of a bale push bar, and three table switches indicating when individual ones of three of the tables are latched or released for dumping bales therefrom. An operator's panel provides a visual display of the status of the bale accumulator and includes switches which may be actuated by the operator. In response to the switches on the bale accumulator the control circuit controls the push bar to move bales from a center table onto a left or right table at the sides of the center table, or inhibits movement of the push bar so that a succeeding bale ejected from the baler pushes a bale on the center table onto a trailing fourth table. In response to actuation of a dump switch the control circuit determines which tables should be unlatched to dump a bale therefrom, and energizes a motor or motors to unlatch the tables as determined by the control circuit. All operations of the bale accumulator are automatic except for operator actuation of the dump switches.
摘要翻译： 捆包蓄能器和可选的货舱由基于微处理器的控制电路控制，该控制电路与打捆机相关联并控制其拉动捆包蓄积器。 控制电路监视由四个桌子上的捆包起动的捆包开关，两个指示捆包推杆位置的开关，以及三个表开关，指示三个表格中的哪一个是否被闩锁或释放以从中倾倒捆包。 操作员面板提供了捆包蓄能器的状态的可视显示，并且包括可由操作者启动的开关。 响应于捆包蓄能器上的开关，控制电路控制推杆将捆包从中心台移动到中心台的侧面的左桌或右桌上，或者阻止推杆的移动，使得后续捆包弹出 打包机将中心桌上的捆包推到后面的第四张桌子上。 响应于转储开关的启动，控制电路确定哪些表应该被解锁以从其中转出捆包，并且通过由控制电路确定的电动机或电动机通电以解锁表。 除了转储开关的操作员动作之外，捆包蓄能器的所有操作都是自动的。
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10.发明授权
公开(公告)号：US4609984A
公开(公告)日：1986-09-02
申请号：US599906
申请日：1984-04-13
IPC分类号： A01F15/14 , G05B19/042 , G06F15/00
CPC分类号： A01F15/141 , G05B19/0428 , A01F2015/076 , G05B2219/23319 , G05B2219/23322
摘要： An automatic baling machine for forming round bales and wrapping them with twine is provided with a microprocessor-controlled signal processing circuit for controlling movement of a bidirectional motor which drives a pair of twine tubes. Retract/extend switches are manually actuated by an operator to store in the signal processing circuit a sequence of control words which are subsequently executed to control movement of the twine tube drive motor. In addition to being connected to the input of the signal processing system, the retract/extend switch are connected in parallel with the signal processing circuit to actuate the twine tube motor.
摘要翻译： 一种自动打捆机，用于形成圆包并用缠绕包裹的自动打捆机具有微处理器控制的信号处理电路，用于控制驱动一对线束管的双向马达的运动。 撤销/延伸开关由操作者手动启动，以在信号处理电路中存储随后执行的一系列控制字，以控制缠绕管驱动马达的运动。 除了连接到信号处理系统的输入之外，缩回/延伸开关与信号处理电路并联连接以致动马达管马达。
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