Circuit breaker control device and circuit breaker system

The utility model provides a circuit breaker control device and a circuit breaker system. The circuit breaker control device comprises an AC/DC conversion unit, an energy storage unit, a switch unit and a main control unit. The input end of the AC/DC conversion unit is connected with a power line in parallel, the positive output end of the AC/DC conversion unit and the positive output end of the energy storage unit are electrically connected with the power supply end of the main control unit respectively, the negative output end of the AC/DC conversion unit and the negative output end of the energy storage unit are grounded respectively, and the switch unit is connected with the AC/DC conversion unit in series; the first output end of the main control unit is electrically connected with the driving end of the switch unit so as to control the output state of the AC/DC conversion unit through the switch unit, and the second output end of the main control unit is electrically connected with the driving end of th