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公开(公告)号:US4467391A
公开(公告)日:1984-08-21
申请号:US335198
申请日:1981-12-28
申请人: Brian G. Refoy , Earnest E. Taylor
发明人: Brian G. Refoy , Earnest E. Taylor
IPC分类号: G01R19/165 , G08B21/18 , H01H47/12
CPC分类号: G08B21/18 , G01R19/16576
摘要: A monitor for an electrically-controlled system is provided. A threshold detector senses the voltage variations in the system by means of an optocoupler. The system is disabled by a relay if a voltage level does not meet a predetermined parameter.
摘要翻译: 提供电控系统的监视器。 阈值检测器通过光耦合器感测系统中的电压变化。 如果电压电平不符合预定参数,则系统被继电器禁用。