Circuit arrangement for automatically monitoring several analog electric
signals
    1.
    发明授权
    Circuit arrangement for automatically monitoring several analog electric signals 失效
    用于自动监测多个模拟电信号的电路布置

    公开(公告)号:US4890095A

    公开(公告)日:1989-12-26

    申请号:US933740

    申请日:1986-11-21

    IPC分类号: H04B17/00 G01R19/165

    CPC分类号: G01R19/16528

    摘要: A circuit arrangement is described for automatically monitoring several analog electric signals and for maintaining predetermined ranges of tolerances by successive comparison with reference values. Error alarm signals are produced and stored, dependent upon the comparison and timed (synchronized) simultaneously with the connection of the respective signals to be monitored to a comparator (20). Access is provided to a reference value storage (30) from which reference signals assigned to each single signal and ranges of tolerances defining reference values are timed and led to the comparator (20). The respective outlet (output) signal of the comparator (20) for producing similar error alarm signals to be stored is logically linked with an evaluating signals (ZB 0) indicating which of the two reference values lies at any time on the comparator (20).

    摘要翻译: 描述了用于自动监测几个模拟电信号并通过与参考值的连续比较来维持预定的公差范围的电路装置。 产生和存储错误报警信号,这取决于比较和定时(同步),同时将要监视的各个信号连接到比较器(20)。 访问被提供给参考值存储器(30),从其分配给每个单个信号的参考信号和限定参考值的公差范围被定时并且被引导到比较器(20)。 用于产生要存储的类似误差报警信号的比较器(20)的相应出口(输出)信号与指示比较器(20)中的任何时候两个参考值中的哪一个的评估信号(ZB 0)逻辑关联, 。

    Voltage source having preset values for source voltage and internal
resistance
    2.
    发明授权
    Voltage source having preset values for source voltage and internal resistance 失效
    电压源具有源电压和内阻的预设值

    公开(公告)号:US4878009A

    公开(公告)日:1989-10-31

    申请号:US226168

    申请日:1988-07-29

    IPC分类号: G05F1/575

    CPC分类号: G05F1/575

    摘要: A voltage source with preset values of the source voltage and the internal resistance is simulated by a computing circuit (25, 26; 35, 36; 47) which calculates a reference parameter (S.sub.UO ; S.sub.IO) for a current or voltage regulator (20; 30; 40) that forms the output of the voltage source. The reference parameter (S.sub.UO ; S.sub.IO) corresponds to the output current (I.sub.O) or the output voltage (U.sub.O) and is obtained from a measured parameter (M.sub.UO ; M.sub.IO) and the input parameters (S.sub.U ; S.sub.R) which correspond to the values to be set. The measured parameter (M.sub.UO ; M.sub.IO) is derived from the output voltage (U.sub.O) or the output current (I.sub.O). When using this simulation circuit, separate high load resistors and mechanical switching contacts are unnecessary and the input parameters (S.sub.U ; S.sub.R) can be set with analog switches.

    摘要翻译: 具有源电压和内阻的预设值的电压源由计算电路(25,26; 35,36; 47)来模拟,该计算电路计算用于电流或电压调节器(20; 26)的参考参数(SUO; SIO) 30; 40),其形成电压源的输出。 参考参数(SUO; SIO)对应于输出电流(IO)或输出电压(UO),并从测量参数(MUO; MIO)和输入参数(SU; SR)获得,其对应于 被设置。 测量参数(MUO; MIO)从输出电压(UO)或输出电流(IO)导出。 使用此模拟电路时,不需要单独的高负载电阻和机械开关触点,并可通过模拟开关设置输入参数(SU; SR)。

    Protective switch
    3.
    发明申请
    Protective switch 审中-公开
    保护开关

    公开(公告)号:US20060146465A1

    公开(公告)日:2006-07-06

    申请号:US10536370

    申请日:2003-11-22

    申请人: Wolfgang Esser

    发明人: Wolfgang Esser

    IPC分类号: H02H3/08

    摘要: A protective circuit-breaker comprising includes an operating mechanism for closing and opening main contacts. An evaluation unit is provided for processing a measured value of the phase current, comparing the processed measured value to an adjustable fault criterion, and tripping the operating mechanism via a trip solenoid by outputting a trip signal when the fault criterion is exceeded. A measuring terminal is connected to the evaluation unit at an input side thereof and configured to supply a monitored electrical quantity supplied by a temperature-dependent resistor connected to a motor-driven system supplied via the protective circuit-breaker. The evaluation unit includes a measuring device for measuring a change in the monitored electrical quantity and for outputting a trip signal when the monitored electrical quantity exceeds a predefined limit.

    摘要翻译: 一种保护断路器,包括用于闭合和断开主触头的操作机构。 提供评估单元,用于处理相电流的测量值,将经处理的测量值与可调故障标准进行比较,并且在超过故障标准时通过输出跳闸信号通过跳闸螺线管跳闸操作机构。 测量端子在其输入侧连接到评估单元,并且被配置为提供由连接到经由保护断路器提供的电机驱动系统的温度依赖电阻器提供的监视电量。 评估单元包括一个测量装置,用于测量监测电量的变化,并在监测电量超过一个预定极限时输出跳闸信号。