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1. 发明授权

US5017912A Electrical detection of shear pin operation 失效
标题翻译：剪切销操作的电气检测
公开(公告)号：US5017912A
公开(公告)日：1991-05-21
申请号：US422641
申请日：1989-10-17
申请人： John M. Willis
发明人： John M. Willis
IPC分类号： G08B21/00 , G01N27/20
CPC分类号： G01N27/20
摘要： A shear detection circuit includes a resistive element in series with another resistor for providing an electrical signal at a node proportional at the value of the resistors when a voltage potential is applied to the detection circuit. The electrical signal is compared to a known value to permit detection of a severed shear pin or an open or short circuit in the detection circuit. The electrical signal is monitored by a computer for displaying the status of the shear pin and the detector circuit and for storing the status of the shear pin and the shear detection circuit for maintenance or repair.
摘要翻译：剪切检测电路包括与另一个电阻器串联的电阻元件，用于当电压电位被施加到检测电路时在与电阻器值成比例的节点处提供电信号。将电信号与已知值进行比较，以允许检测断路的剪切销或检测电路中的开路或短路。电信号由计算机监控，用于显示剪切销和检测器电路的状态，并用于存储剪切销和剪切检测电路的状态进行维护或修理。

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