Multifunctional line finder for miniature circuit breaker

A multifunctional line finder for miniature circuit breaker, comprising an emitter and a receiver, wherein the emitter comprises an emitting module for emitting line-finding signal and an LNG (Live-Neutral-Ground) line-order detection module, the emitting module comprises a main control unit, a strong electricity line-finding emitting unit, and a network line-finding emitting unit, a first control signal output end of the main control unit is connected to a control signal input end of the strong electricity line-finding emitting unit, and a second control signal output end of the main control unit is connected to a control signal input end of the network line-finding emitting unit;

• wherein the receiver comprises a receiving module, an operational amplifier module, a signal processing module, and an audio drive module, a line-finding signal output end of the emitting module is connected to a line-finding signal input end of the receiving module, a signal detecting output end of the LNG line-order detection module is connected to a signal detecting input end of the receiving module, a signal receiving output end of the receiving module is connected to a signal receiving input end of the operational amplifier module, a signal amplifying output end of the operational amplifier module is connected to a signal amplifying input end of the signal processing module, and a signal controlling output end of the signal processing module is connected to a signal controlling input end of the audio drive module;
• and the line finder further comprises a power supply module for supply power.