A control circuit, wherein the control circuit comprises: a detector, a current-voltage conversion circuit and a control signal generation circuit; wherein the detector is a proximity detector; a current output end of the detector is connected with a current input end of the current-voltage conversion circuit; a voltage output end of the current-voltage conversion circuit is connected with a voltage input end of the control signal generation circuit, a signal output end of the control signal generation circuit outputs a control signal; wherein the detector is configured to detect a state of motion of a detected object, generate at least one current signal according to the state of motion of the detected object and transmit the at least one current signal to the current-voltage conversion circuit; the current-voltage conversion circuit is configured to convert the at least one current signal transmitted by the detector to at least one voltage signal, and transmit the at least one voltage signal to the control signal generator; the control signal generation circuit is configured to generate the control signal based on a preset control signal generation strategy and a variation rule of the at least one voltage signal transmitted by the current-voltage conversion circuit, and output the control signal; wherein the detector comprises a first sensor and a second sensor, which are separated by a preset distance; the first sensor and the second sensor are proximity sensors; wherein the first sensor is configured to detect the state of motion of the detected object at the first sensor and generate a first current signal corresponding to the state of motion of the detected object at the first sensor, wherein the first current signal is a first current which increases and then decreases; and configured to transmit the first current signal to a first current input end of the current-voltage conversion circuit through a first current output end; and the second sensor is configured to detect the state of motion of the detected object at the second sensor and generate a second current signal corresponding to the state of motion of the detected object at the second sensor, wherein the second current signal is a second current which increases and then decreases; and configured to transmit the second current signal to a second current input end of the current-voltage conversion circuit through a second current output end; wherein the first current signal and the second current signal are converted, by the current-voltage conversion circuit, to a first voltage signal and a second voltage signal respectively; wherein a start time where the first current starts to vary and a start time where the second current starts to vary are separated by a first time interval; wherein the control signal generation circuit is specifically configured to: when neither a time interval in which the first voltage signal increases from a low level to a high level and then decreases to the low level nor a time interval in which the second voltage signal increases from a low level to a high level and then decreases to the low level exceeds a first preset time interval, compare the first time interval with a second preset time interval, when the first time interval does not exceed the second preset time interval, generate the control signal; when the first time interval is larger than the second preset time interval, not generate the control signal. when neither a time interval in which the first voltage signal increases from a low level to a high level and then decreases to the low level nor a time interval in which the second voltage signal increases from a low level to a high level and then decreases to the low level exceeds a first preset time interval, compare the first time interval with a second preset time interval, when the first time interval does not exceed the second preset time interval, generate the control signal; when the first time interval is larger than the second preset time interval, not generate the control signal.