Intrinsic safety association device for connecting non-intrinsic safety circuit and alternating current/direct current intrinsic safety circuit

The utility model discloses an intrinsic safety association device for connecting a non-intrinsic safety circuit and an alternating current/direct current intrinsic safety circuit. The intrinsic safety association device comprises a voltage stabilization power supply circuit and a signal transmission circuit. The voltage stabilization power supply circuit comprises a power supply circuit voltage stabilization unit, an output end of the power supply circuit voltage stabilization unit is connected with an input end of a power supply circuit dual current-limiting unit, an output end of the power supply circuit dual current-limiting unit is connected with an input end of an over-current buffer unit, and an output end of the over-current buffer unit is connected with an intrinsic safety end. The signal transmission circuit comprises a signal output unit and a backflow protection unit, an input end of the signal output unit is connected with the intrinsic safety end, and an output end of the signal output unit is c