Over-voltage protection apparatus and method of operating the same

    公开(公告)号:US09667055B2

    公开(公告)日:2017-05-30

    申请号:US14632634

    申请日:2015-02-26

    CPC classification number: H02H3/20

    Abstract: An over-voltage protection apparatus includes an input voltage detection module (12) and a second switch (14). The input voltage detection module (12) includes a switch assembly (121), a rectifying circuit (122), a voltage detection circuit (123), and a voltage protection circuit (124). The rectifying circuit (122) rectifies an AC power source (Vac) to generate a DC voltage (Vb). The voltage protection circuit (124) controls the second switch (14) to disconnect the AC power source (Vac) to supply a load (90) when the voltage detection circuit (123) detects that the DC voltage (Vb) reaches to a first over voltage value (Voth1). The voltage protection circuit (124) controls the switch assembly (121), thereby providing a voltage-limiting protection and a current-limiting protection when the voltage detection circuit (123) detects that the DC voltage (Vb) reaches to a second over voltage value (Voth2).

    INPUT CONNECTION DEVICE
    2.
    发明申请

    公开(公告)号:US20200352039A1

    公开(公告)日:2020-11-05

    申请号:US16560483

    申请日:2019-09-04

    Abstract: An input connection device for an electronic device is provided. The electronic device includes a mother circuit board and a cabinet having a first wall. The input connection device comprises an insulation housing, a conductive connection unit, a circuit board, a switch, a first power wire and a second power wire. The insulation housing is disposed on the first wall and comprises a main body comprising a hollow channel. The conductive connection unit is disposed in the hollow channel and is engaged with the insulation housing. The circuit board is connected with the conductive connection unit directly. The switch has an input part and an output part. The first power wire is connected with the circuit board and the input part of the switch. The second power wire is connected with the output part of the switch and the mother circuit board.

    Abnormal-voltage protection apparatus and method of operating the same

    公开(公告)号:US11271385B2

    公开(公告)日:2022-03-08

    申请号:US16180559

    申请日:2018-11-05

    Abstract: An abnormal-voltage protection apparatus includes a switch unit, a voltage detection unit, and a delay time control unit. The switch unit is coupled to a power supplying path formed between an AC power source and a load. The voltage detection unit detects the AC power source and provides a detection signal. The delay time control unit is coupled to the voltage detection unit and the switch unit, and receives the detection signal and provides a control signal to the switch unit according to the detection signal. When the voltage detection unit detects that the AC power source changes from an abnormal voltage to a normal voltage, the delay time control unit turns on the switch unit by the control signal after a delay time so that the AC power source supplies power to the load through the power supplying path.

    PHOTOVOLTAIC-INVERTER HEAT-DISSIPATION ASSEMBLY

    公开(公告)号:US20240388248A1

    公开(公告)日:2024-11-21

    申请号:US18219471

    申请日:2023-07-07

    Abstract: A photovoltaic-inverter heat-dissipation assembly is disclosure and includes a front housing-base, a rear cover, a first heat-generating device, a first fan, a second heat-generating device and a second fan. The rear cover and the front housing-base are combined to separately form a first heat-dissipation space and a second heat-dissipation space. The rear cover includes a first air-inlet, a second air-inlet and an air-outlet. The first air-inlet and the second air-inlet are in communication with the air-outlet through the first heat-dissipation space and the second heat-dissipation space, respectively. The first fan generates a first airflow, which enters through the first air-inlet, flows through the first heating-generating device accommodated in the first heat-dissipation space, and flows out through the air-outlet. The second fan generates a second airflow, which enters through the second air-inlet, flows through the second heat-generating device accommodated in the second heat-dissipation space, and flows out through the air-outlet.

    Input connection device
    7.
    发明授权

    公开(公告)号:US11122699B2

    公开(公告)日:2021-09-14

    申请号:US16560483

    申请日:2019-09-04

    Abstract: An input connection device for an electronic device is provided. The electronic device includes a mother circuit board and a cabinet having a first wall. The input connection device comprises an insulation housing, a conductive connection unit, a circuit board, a switch, a first power wire and a second power wire. The insulation housing is disposed on the first wall and comprises a main body comprising a hollow channel. The conductive connection unit is disposed in the hollow channel and is engaged with the insulation housing. The circuit board is connected with the conductive connection unit directly. The switch has an input part and an output part. The first power wire is connected with the circuit board and the input part of the switch. The second power wire is connected with the output part of the switch and the mother circuit board.

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