Device for monitoring the functon of an electric load, its drive and the
associated connections
    3.
    发明授权
    Device for monitoring the functon of an electric load, its drive and the associated connections 失效
    用于监控电力负载及其驱动器及相关连接功能的装置

    公开(公告)号:US5311138A

    公开(公告)日:1994-05-10

    申请号:US778172

    申请日:1991-12-13

    CPC分类号: G01R31/007 G01R31/3275

    摘要: Circuitry for monitoring the function of electric load, an output stage and a control circuit for driving the output stage and the lines that connect these elements. The circuitry includes at least one fault acquisition logic that is connected in parallel with the output stage. The fault acquisition logic has a terminal that connects to an input of the output stage and another terminal that connects to the output of the output stage. The fault acquisition logic also is connected to a reference potential. The fault acquisition logic has a comparator for comparing potentials for determining fault conditions. Detected fault conditions may be stored in a buffer memory that connects to a main memory. The buffer memory may also have a time delay associated with it. The circuitry also may include a coder for encoding signals indicative of the fault conditions that are detected by the fault acquisition logic. The circuitry may further include a safety disconnect to protect the output stage against overload.

    摘要翻译: PCT No.PCT / DE91 / 00255 Sec。 371日期1991年12月13日 102(e)日期1991年12月13日PCT 1991年3月22日PCT公布。 公开号WO91 / 16637 日期1991年10月31日。用于监控电气负载功能的电路,用于驱动输出级的输出级和控制电路以及连接这些元件的线。 电路包括与输出级并联连接的至少一个故障采集逻辑。 故障采集逻辑具有连接到输出级的输入的端子和连接到输出级的输出端的另一端子。 故障采集逻辑也连接到参考电位。 故障采集逻辑具有用于比较用于确定故障状况的电位的比较器。 检测到的故障条件可能存储在连接到主存储器的缓冲存储器中。 缓冲存储器也可以具有与其相关联的时间延迟。 电路还可以包括编码器,用于编码指示由故障获取逻辑检测到的故障状况的信号。 电路还可以包括安全断开以保护输出级免于过载。