AC/DC conversion device for intelligent green-power operation and maintenance in power transmission and transformation projects

An AC/DC conversion device for intelligent green-power operation and maintenance in power transmission and transformation projects, comprising:

• a cabinet (1) with a door (101) mounted at a front portion thereof in a fixed and sealed manner;
• an assembling panel (4) fixedly mounted on a back wall of the cabinet (1) inside the cabinet;
• an inverter (5) provided inside the cabinet (1) and fixedly mounted at a front portion of the assembling panel (4) via a connecting rod (501), where a DC input child terminal (502) is electrically connected to an input of the inverter (5) via a wire, and an AC output child terminal (503) is electrically connected to an output of the inverter (5) via a wire, the DC input child terminal (502) and the AC output child terminal (503) are both fixedly connected to the assembling panel (4) via a connecting base (508), a DC input mother terminal (504) is plugged to the DC input child terminal (502), a DC input cable (506) is electrically connected to the DC input mother terminal (504), an end of the DC input cable (506) away from the DC input mother terminal (504) movably extends through a top wall of the cabinet (1) and extends out of the cabinet (1), an AC output mother terminal (505) is plugged to the AC output child terminal (503), an AC output cable (507) is electrically connected to the AC output mother terminal (505), and an end of the AC output cable (507) away from the AC output mother terminal (505) movably extends through the top wall of the cabinet (1) and extends out of the cabinet (1);
• a driving mechanism (2) provided inside the cabinet (1), the driving mechanism (2) comprising a connecting plate (201), an electric pushrod (202) and two guiding members (203), where the connecting plate (201) is fixedly mounted between the AC output mother terminal (505) and the DC input mother terminal (504), the electric pushrod (202) is vertically and fixedly mounted at the bottom of an inner top wall of the cabinet (1), a piston rod of the electric pushrod (202) is fixedly connected with an upper central portion of the connecting plate (201), the two guiding members (203) are symmetrically arranged at two sides of the electric pushrod (202), and the two guiding members (203) are both mounted between the upper portion of the connecting plate (201) and the bottom of the inner top wall of the cabinet (1);
• each guiding member (203) comprising a cylindrical housing (2031), an end cover (2035), a guiding block (2033), a spring (2034) and a guiding rod (2032), where the cylindrical housing (2031) is vertically and fixedly mounted at the bottom of the inner top wall of the cabinet (1), the end cover (2035) is fixedly mounted inside an upper end of the cylindrical housing (2031), the guiding block (2033) is movably mounted inside the cylindrical housing (2031), the spring (2034) is provided inside the cylindrical housing (2031) and abuts between the guiding block (2033) and the end cover (2035), the guiding rod (2032) is vertically and movably mounted on the bottom end wall of the cylindrical housing (2031), an upper end of the guiding rod (2032) is fixedly connected with the bottom of the guiding block (2033), and a bottom end of the guiding rod (2032) is fixedly connected with an upper portion of the connecting plate (201);
• and
• a controller (6) provided inside the cabinet (1) and fixedly mounted at a front portion of the assembling panel (4) via a supporting rod (601) for controlling the driving mechanism (2) to automatically drive the DC input mother terminal (504) to be detached from the DC input child terminal (502) and also drive the AC output mother terminal (505) to be detached from the AC output child terminal (503) when the inverter (5) burns out and smokes;
• a smoke sensor (7) is fixedly mounted at the bottom of the inner top wall of the cabinet (1), and the smoke sensor (7) and the electric pushrod (202) are both electrically connected with the controller (6).