Non-home-entry missort checking instrument based on power line carrier communication technology

The utility model belongs to the technical field of power utilization measurement, and particularly relates to a non-home-entry missort troubleshooting instrument based on a power line carrier communication technology, which comprises a host and a measurement slave, the host is connected with an ammeter line through a current coupling clamp, the host is connected with the measurement slave through Bluetooth, and the host comprises a THSK carrier transmission circuit. The THSK carrier wave sending circuit comprises an FPGA platform used for synthesizing carrier wave signals, the FPGA platform couples the carrier wave signals into an electric meter line according to the current coupling principle, the FPGA platform is connected with a digital-to-analog conversion module used for converting the carrier wave signals into analog signals, and the analog-to-digital conversion module is connected with a signal conditioning drive circuit. The signal conditioning drive circuit is connected with the feed network detecti