Frequency conversion electric quantity analyzer based on digital quantity transmission

The utility model provides a frequency conversion electric quantity analyzer based on digital quantity transmission, comprising a power unit, an analyzer and a communication unit. The power unit comprises at least one power unit single piece which comprises a sampling component, a signal transmitter, a signal conditioning component and an A/D converter which are successively in series connection; the analyzer comprises a CPU module, a programmable logic device, a high speed buffer memory and a display screen, wherein the CPU module is respectively in connection with the display screen, the programmable logic device, and the high speed buffer memory; the programmable logic device is in connection with the A/D converter through the communication unit. The frequency conversion electric quantity analyzer has a concise overall structure; the power unit converts analog quantity into data signals for transmission, avoiding influence by transmission distances and electromagnetic environments, and increasing system precision; the CPU module, the programmable logic device, and the high speed buffer memory are integrated to increase an arithmetic speed and a processing capability of the frequency conversion electric quantity analyzer.