Intelligent management device of self-help printing terminal

The utility model discloses an intelligent management device of a self-help printing terminal. The intelligent management device comprises a switching power supply, a voltage reduction module, a stable-voltage filtering module, a microprocessor, a serial port module, a serial port relaying module and a relay group, wherein the switching power supply supplies power by a 220V electric supply; the switching power supply is connected with the voltage reduction module and the stable-voltage filtering module; the voltage reduction module is connected with the microprocessor, the serial port module, and the serial port relaying module; the serial port module is further connected with the serial port relaying module; and the relay group comprises a plurality of relays, and each relay is connected with the stable-voltage filtering module and the microprocessor respectively. The intelligent management device of the self-help printing terminal can be used for monitoring and controlling an industrial control board and peripheral equipment of self-help equipment and has abundant serial interfaces.