Intelligent electromagnetic iron remover control system

The utility model discloses an intelligent electromagnetic iron removal control system, which comprises a main circuit and a control circuit, the main circuit is characterized in that power supply voltage respectively passes through circuit breakers QF2, QF3 and QF4 and contactors KM1, KM2 and KM3 and then passes through rectification circuits VC1-VC7 to obtain adjustable voltage within a certain range, the adjustable voltage is applied to two ends of excitation coils YA1, YA2 and YA3, and the adjustable voltage is connected with a belt motor through a circuit breaker QF5 and a contactor KM4; the control circuit receives signals of the metal detector through the PLC and controls starting and stopping of the belt motor, the main magnet exciting coil and the two auxiliary magnet exciting coils. And the touch screen HMI receives a signal from the PLC, controls the on-off of the intermediate relays KA1, KA2, KA3 and KA4 in a coordinated manner, and further controls the on-off of the contactors KM1, KM2, KM3 and K