Automatic fault positioning and isolating device for power distribution network

The utility model discloses an automatic fault positioning and isolating device for a power distribution network, which comprises a machine body, a short-circuit sensor, a grounding sensor, a current detector and a voltage detector are sequentially and fixedly mounted on one side of the inner wall of the machine body from top to bottom, and a positioning instrument, a signal transceiver and a data memory are sequentially and fixedly mounted on the other side of the inner wall of the machine body from top to bottom. The bottom of the inner wall of the machine body is sequentially and fixedly provided with a signal conditioning circuit, a controller and an optoelectronic isolator from left to right, and the short circuit sensor, the grounding sensor, the current detector and the voltage detector are all electrically connected with the signal conditioning circuit. Information detected by the sensor and the detector is adjusted, accurate isolation of the machine body is facilitated, anti-falling, anti-radiation a