And relay protection controls output conversion circuit

The utility model discloses a relay protection control output conversion circuit which comprises an optical coupler, a second diode, a third diode, a first capacitor, a first resistor, a second resistor, a third resistor, a second capacitor, a first bidirectional silicon controlled rectifier, a first diode, an electromagnet, a fourth resistor and a third capacitor. A first input end of the opticalcoupler is simultaneously connected with one end of the second diode, a second input end of the optical coupler is simultaneously connected with one end of the third triode and a second main electrode of the first bidirectional silicon controlled rectifier is simultaneously connected with one end of the third resistor, one end of the first diode and one end of the electromagnet; the other end ofthe electromagnet is simultaneously connected with the other end of the first diode, one end of the fifth switch and one end of the fourth resistor, the other end of the fourth resistor is connected with one end of the third c