Acquisition device based on electricity marketing data

The invention discloses an acquisition device based on electricity marketing data. The device comprises an acquisition module which is disposed in electrical equipment and is used for collecting the voltage and current information of the electrical equipment; an alternating current differential amplification circuit used for carrying out differential amplification on the acquired voltage and current information to obtain amplified voltage and current information; an analog multiplier used for processing the amplified voltage and current information to obtain a power signal; a low-pass filtering circuit used for filtering the amplified voltage and current information and the power signal to obtain a filtered signal; an A/D conversion circuit used for converting an analog signal of the filtered signal into a digital signal; a control module used for receiving the digital signal and analyzing and processing the digital signal to obtain voltage and current data and oscillogram information; and a display module us