Digital acquisition device for monitoring partial discharge of generator

The utility model relates to a digital acquisition device for monitoring partial discharge of a generator. The digital acquisition device comprises a sensor and an acquisition device, the acquisition device comprises a high-speed acquisition card and a preprocessing circuit; the preprocessing circuit comprises a signal interface circuit, a first processor, a memory, a second processor and a network port output circuit; the detection end of the sensor is electrically connected with the three-phase output end of the generator; the output end of the sensor is electrically connected with the input end of the high-speed acquisition card; the high-speed acquisition card is electrically connected with the signal interface circuit; the signal interface circuit is electrically connected with the first processor; the output end of the first processor is electrically connected with the input end of the memory; the output end of the memory is electrically connected with the second processor; the second processor is elect