Novel multifunctional low-voltage line detection device

The utility model discloses a novel multifunctional low-voltage line detection device, which comprises an alternating-current electric quantity transmitter, an input end of which is connected with an alternating-current power supply; the acquisition module can acquire returned current values and voltage values; the solid-state relay is connected between the alternating-current electric quantity transmitter and the load end; the Hall current sensor is arranged on a line between the alternating current electric quantity transmitter and the solid-state relay and is used for detecting the magnitude of electric shock current; the alarm is used for alarming; the Hall current sensor, the alternating-current electric quantity transmitter, the solid-state relay and the alarm are all in data connection with the single-chip microcomputer, and the single-chip microcomputer is used for receiving information transmitted by the Hall current sensor and the alternating-current electric quantity transmitter and controlling wor