Oil level monitoring device for bearing oil basin of hydroelectric generating set

The utility model relates to an oil level monitoring device for a bearing oil basin of a hydroelectric generating set. The oil level monitoring device comprises a gas side sampling pipeline, a first magnetic turning plate liquid level meter transmitter, a second magnetic turning plate liquid level meter transmitter, a third magnetic turning plate liquid level meter transmitter, a liquid side sampling pipeline, a controller and a liquid level switch, the gas side sampling pipeline is divided into three paths which are respectively connected to the top of the liquid level meter transmitter, and the liquid side sampling pipeline is divided into three paths which are respectively connected to the bottom of the liquid level meter transmitter; a liquid level switch is arranged on the liquid level meter transmitter; and the controller is used for carrying out data acquisition and display on the liquid level meter and the liquid level switch. The device comprises an oil basin oil level on-line monitoring device and a