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    • 1. 发明申请
    • APPARATUS FOR MEASURING TEMPERATURE OF SWITCHGEAR AND SWITCHGEAR
    • WO2022133779A1
    • 2022-06-30
    • PCT/CN2020/138543
    • 2020-12-23
    • ABB SCHWEIZ AGCHEN, YanyunLIN, JilingCHEN, XuQIU, XuedongHUANG, Liqun
    • CHEN, YanyunLIN, JilingCHEN, XuQIU, XuedongHUANG, Liqun
    • G01K7/00H02B13/045G08C17/02
    • A switchgear (200) and an apparatus for measuring temperature of the switchgear (200). The switchgear (200) comprises a busbar compartment (202) and a circuit breaker compartment (203), and the apparatus comprises at least one sensor (101) arranged at a busbar (201) in the busbar compartment (202) and adapted to sense a temperature of at least one predetermined position of the busbar (201); a transmission module (102) coupled to the at least one sensor (101) and adapted to transmit data representing the temperature of the at least one predetermined position; and a power module (103) adapted to power the at least one sensor (101) and the transmission module (102), wherein at least one of the transmission module (102) and the power module (103) is detachably arranged at an interface (204) between the circuit breaker compartment (203) and the busbar compartment (202). With the transmission module (102) and/or the power module (103) detachably arranged at the interface (204) between the circuit breaker compartment (203) and the busbar compartment (202), the transmission module (102) and/or the power module (103) may be separately replaced. In this way, replacement efficiency is significantly improved and maintenance costs are reduced. Furthermore, the interface (204) where the transmission module (102) and/or the power module (103) is arranged allows the replacement of the transmission module (102) and/or the power module (103) without powering off the entire busbar (201), which improves reliability of the switchgear (200).
    • 2. 发明公开
    • SENSOR DEVICE WITH POWER SUPPLY MANAGEMENT
    • EP4394327A1
    • 2024-07-03
    • EP23198336.2
    • 2023-09-19
    • ABB Schweiz AG
    • CHEN, XuCHEN, JunqiangXU, XiaofengLIU, Jing
    • G01D3/08H02J9/00
    • G01D3/08
    • Embodiments of the present disclosure provide sensor device. The sensor device comprises a power supply management unit configured to selectively receive internal electric energy or external electric energy and supply power to an internal circuit; a port adapted to be coupled to a sensing apparatus for providing the external electric energy or an external auxiliary power supply; a signal detection unit having a first end coupled to the power supply management unit and a second end coupled to the port, the signal detection unit being configured to generate a sensing signal when the port is coupled to the sensing apparatus; and an external auxiliary power supply switching-on unit having a first end coupled to the power supply management unit and a second end coupled to the port, the external auxiliary power supply switching-on unit being configured to transmit the electric energy to the power supply management unit in response to receiving electric energy from the port when the port is coupled to the external auxiliary power supply. In this way, through port multiplexing, the number of ports and wiring can be reduced, thereby reducing the size of the sensor.