A control apparatus, comprising a microcontroller, an auxiliary circuit, a delay module and a logical circuit, wherein a first signal end of the microcontroller is connected to a first input end of the logical circuit via the auxiliary circuit, a second signal end of the microcontroller is connected to a second input end of the logical circuit via the delay module, and an output end of the logical circuit is connected to a device to be controlled; the microcontroller, when operating normally, configured to output a control signal for the device to be controlled through the first signal end, the control signal having a closing control signal level to activate the device to be controlled and a disconnection control signal level to deactivate the device to be controlled, and further configured to output the control signal through the second signal end as a delay disabling signal; the microcontroller, when resetting, further configured to output no signal through the first signal end and through the second signal end; the delay module configured to delay an input signal within a preset delay time when the delay disabling signal transitions from the closing control signal level to no signal, so that a closing control signal level is output within the preset delay time, further configured to output a closing control signal level when the delay disabling signal is a closing control signal level and to output a disconnection control signal level otherwise; the auxiliary circuit configured to output a disconnection control signal level when the microcontroller outputs a disconnection control signal level and to output a closing control signal level otherwise; and the logical circuit configured to output a closing signal level when both the auxiliary circuit and the delay module output a closing signal level and a disconnection control signal level otherwise, wherein the logical circuit comprises an AND-logic circuit. wherein a first signal end of the microcontroller is connected to a first input end of the logical circuit via the auxiliary circuit, a second signal end of the microcontroller is connected to a second input end of the logical circuit via the delay module, and an output end of the logical circuit is connected to a device to be controlled; the microcontroller, when operating normally, configured to output a control signal for the device to be controlled through the first signal end, the control signal having a closing control signal level to activate the device to be controlled and a disconnection control signal level to deactivate the device to be controlled, and further configured to output the control signal through the second signal end as a delay disabling signal; the microcontroller, when resetting, further configured to output no signal through the first signal end and through the second signal end; the delay module configured to delay an input signal within a preset delay time when the delay disabling signal transitions from the closing control signal level to no signal, so that a closing control signal level is output within the preset delay time, further configured to output a closing control signal level when the delay disabling signal is a closing control signal level and to output a disconnection control signal level otherwise; the auxiliary circuit configured to output a disconnection control signal level when the microcontroller outputs a disconnection control signal level and to output a closing control signal level otherwise; and the logical circuit configured to output a closing signal level when both the auxiliary circuit and the delay module output a closing signal level and a disconnection control signal level otherwise, wherein the logical circuit comprises an AND-logic circuit.