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    DETECTION CIRCUIT AND SYSTEM FOR DETECTING DETECTOR REMOVAL FAILURE
    1.
    发明公开
    DETECTION CIRCUIT AND SYSTEM FOR DETECTING DETECTOR REMOVAL FAILURE 审中-公开

    公开(公告)号：US20240304077A1

    公开(公告)日：2024-09-12

    申请号：US18598470

    申请日：2024-03-07

    Applicant: Gulf Security Technology Company Limited

    Inventor： Juan Feng ,  Junling Shao ,  Zhanlin Yang

    IPC: G08B29/04 ,  H02H1/00 ,  H02H3/02 ,  H02H3/05

    CPC classification number: G08B29/04 ,  H02H1/0007 ,  H02H3/021 ,  H02H3/05

    Abstract: The present application relates to a detection circuit for detecting a detector removal fault. The detection circuit comprises: a switching circuit. The switching circuit comprises one or more switching elements; an energy storage element; and a control circuit for controlling the energy storage element to discharge by controlling the one or more switching elements to perform an opening or closing action. The control circuit is configured to cause the energy storage element to discharge based on a first loop if the detector is removed from the diode bases, and to cause the energy storage element to discharge based on the first loop and a second loop including the terminal resistor if the detector is not removed from the diode bases. The control circuit is further configured to detect the detector removal fault based on an output voltage of the area monitoring module during discharge process.

    CIRCUIT PROTECTION DEVICE FOR AUTOMATICALLY MONITORING OPERATION FAULTS
    2.
    发明公开
    CIRCUIT PROTECTION DEVICE FOR AUTOMATICALLY MONITORING OPERATION FAULTS 审中-公开

    公开(公告)号：US20240213761A1

    公开(公告)日：2024-06-27

    申请号：US18393718

    申请日：2023-12-22

    Applicant: Lishui Trimone Electrical Technology Co., Ltd.

    Inventor： Tuo Gao ,  Xikang Gao

    IPC: H02H3/16 ,  H02H1/00 ,  H02H3/04 ,  H02H3/05

    CPC classification number: H02H3/162 ,  H02H1/0007 ,  H02H3/04 ,  H02H3/05

    Abstract: The present disclosure provides a circuit protection device for automatically monitoring operation faults. The grounding fault protection unit includes a grounding fault detection circuit, an AC power channel, and an electromagnetic driving circuit. The self-fault monitoring unit includes a measurement and control circuit and a fault state holding circuit. The measurement and control circuit initiates a self-fault monitoring process at regular time and monitors the fault state signal feedback by the electromagnetic driving circuit to achieve self-fault monitoring. If there is a fault, an emergency interrupt signal is output to trigger an emergent disconnection of the grounding fault protection unit. The fault state holding circuit includes a reset circuit and a fault state triggering circuit. The reset circuit clears the fault state, and the fault state triggering circuit maintains the fault state signal output by the measurement and control circuit to generate effective alarming information.

    CONTACTOR, AN INTEGRATED CIRCUIT, A METHOD OF INTERRUPTING A CURRENT FLOW
    3.
    发明公开
    CONTACTOR, AN INTEGRATED CIRCUIT, A METHOD OF INTERRUPTING A CURRENT FLOW 审中-公开

    公开(公告)号：US20240178650A1

    公开(公告)日：2024-05-30

    申请号：US18432436

    申请日：2024-02-05

    Applicant: Melexis Technologies SA

    Inventor： Bruno BOURY ,  Stephane RAUW

    IPC: H02H3/08 ,  H02H1/00 ,  H02H3/05

    CPC classification number: H02H3/08 ,  H02H1/0007 ,  H02H3/05

    Abstract: A contactor includes: a first and second power terminal; a sub-circuit connected between this first and second power terminal and comprising the following three elements connected in series: an electrical conductor portion, a primary switch, and a fuse. The primary switch has a movable part driven by an actuator. The contactor further has a magnetic sensor for measuring a primary current flowing through the electrical conductor portion, and a controller connected to the magnetic sensor and to the actuator. The controller has a communication port for receiving commands. The contactor can detect whether the primary switch is actually open. The controller is configured for: (i) receiving a command to open the switch; (ii) operating the actuator, (iii) detecting if the primary switch is actually open; and (iv) blowing the fuse if the switch is not open.

    LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE, ELECTRICAL CONNECTOR AND ELECTRICAL APPLIANCE
    6.
    发明公开
    LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE, ELECTRICAL CONNECTOR AND ELECTRICAL APPLIANCE 审中-公开

    公开(公告)号：US20240097426A1

    公开(公告)日：2024-03-21

    申请号：US17934552

    申请日：2022-09-22

    Applicant: Chengli Li

    Inventor： Long CHEN ,  Chengli LI ,  Guolan YUE

    IPC: H02H3/05 ,  G01R31/52 ,  H01H47/00 ,  H01H47/32 ,  H01H71/24 ,  H02H3/08

    CPC classification number: H02H3/05 ,  G01R31/52 ,  H01H47/002 ,  H01H47/32 ,  H01H71/24 ,  H02H3/08 ,  H01R13/713

    Abstract: A leakage current detection and interruption device includes a switch module configured to control electrical connection between input and output ends of power supply lines; a leakage current detection module configured to generate a leakage fault signal in response to a leakage current in the power supply lines; a leakage-responsive drive module configured to drive the switch module to disconnect the electrical connection in response to the leakage fault signal; a fault-responsive drive module configured to drive the switch module to disconnect the electrical connection in response to a fault in the leakage-responsive drive module; and a self-test module configured to generate a self-test signal and to generate a self-test fault signal in response to a fault in the leakage current detection module and/or the leakage-responsive drive module. By providing the fault-responsive drive module, the device can automatically disconnect the electrical power when the leakage-responsive drive module has a fault.

    SOLID STATE CIRCUIT INTERRUPTER WITH SOLID STATE INTERLOCKING MECHANISM
    7.
    发明公开
    SOLID STATE CIRCUIT INTERRUPTER WITH SOLID STATE INTERLOCKING MECHANISM 审中-公开

    公开(公告)号：US20240030697A1

    公开(公告)日：2024-01-25

    申请号：US18238638

    申请日：2023-08-28

    Applicant: EATON INTELLIGENT POWER LIMITED

    Inventor： ANDREW W. LICHAUER

    IPC: H02H3/05 ,  H02H1/00 ,  H02H3/08

    CPC classification number: H02H3/05 ,  H02H1/0007 ,  H02H3/08

    Abstract: A system includes a first circuit breaker comprising a first solid state switch, first mechanical contacts, and a current sensor structured to sense current flowing through the first circuit breaker, and a second circuit breaker electrically coupled to the first circuit breaker and being structured to interrupt current flowing to the first circuit breaker, wherein the first circuit breaker is structured to transmit, to the second circuit breaker, a request upon detecting a failure mode, and wherein the second circuit breaker is structured to interrupt current flowing to the first circuit breaker in response to receiving the request, and the first circuit breaker is further structured to open the first mechanical contacts when the current flowing through the first circuit breaker drops to a predetermined level.

    POWER SOURCE AND METHOD FOR PROVIDING AN ACTIVATING CURRENT
    9.
    发明公开
    POWER SOURCE AND METHOD FOR PROVIDING AN ACTIVATING CURRENT 审中-公开

    公开(公告)号：US20230155364A1

    公开(公告)日：2023-05-18

    申请号：US17995554

    申请日：2021-04-09

    Applicant: EATON INTELLIGENT POWER LIMITED

    Inventor： Sagar DABHOLE ,  Roger BURKETT ,  Varsha SABALE ,  Prabhakar PATIL ,  Milan PAUL

    IPC: H02H3/05 ,  H01H47/00 ,  H01H9/54

    CPC classification number: H02H3/05 ,  H01H47/002 ,  H01H9/54 ,  B60L3/04

    Abstract: A power source and method for providing an activating current a power source comprises an input terminal, a charging circuit having an input coupled to the input terminal of the power source, a capacitor having a first electrode coupled to an output of the charging circuit, an electronic switching circuit, a discharge protection circuit, a control switch and a disconnecting device. An input of the electronic switching circuit is coupled to the first electrode of the capacitor. The control switch includes a first terminal which is coupled via the discharge protection circuit to the input terminal of the power source and is coupled to an output of the electronic switching circuit. The disconnecting device comprises a first terminal coupled to a second terminal of the control switch.

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