This invention relates to a
vacuum drying oven and method for
capacitor voltage dividers, comprising a
drying chamber, with a gas filling chamber and a heating chamber arranged sequentially from top to bottom at the lower end of the
drying chamber. The gas filling chamber is connected to a heating
gas pipeline, and the heating chamber is connected to a high-temperature oil injection pipeline. Multiple vent holes at the lower end of the
drying chamber communicate with the gas filling chamber. Additionally, a cavity is provided within the drying chamber wall, communicating with the gas filling chamber. An exhaust pipeline and a vacuum pipeline are provided on the drying chamber.
Control valves for controlling the on / off state of the heating
gas pipeline, high-temperature oil injection pipeline, exhaust pipeline, and vacuum pipeline are all provided on the pipelines. A core
assembly frame is located inside the drying chamber, and the core
assembly frame has multiple
layers of support frames along its height. During drying,
capacitor core assemblies are placed on the corresponding
layers of support frames, with
capacitor core assemblies on adjacent support frames placed vertically. This invention significantly improves the drying efficiency of capacitor core assemblies, and is particularly suitable for large-scale production.