The utility model discloses a switch
machine control circuit of stove relates to igniter, including
processing chip, switch trigger unit,
alternating current switch unit,
alternating current switch unit includes
relay control module, first
relay, second
relay and self -restoring fuse, the input of relay control module is connected with the output pin of
processing chip, and the output of relay control module is connected with the coil one end of first relay, second relay simultaneously, and the coil other end of first relay, second relay is connected with
direct current power supply supply end, the normally open first contact of first relay is connected with the fire line, and the second contact of first relay is connected with the fire line power supply terminal of stove inner load, the normally open first contact of second relay is connected with zero line, and the second contact of second relay is connected with one end of self -restoring fuse, the utility model discloses not only played the load protection effect to stove, and still has self -restoring function, greatly reduced maintenance cost.