Automatic input voltage identification device

The invention provides an automatic input voltage identification device which comprises an input unit, a logic control unit and an output unit. The input unit is connected with the output unit through the logic control unit, the input unit is used for providing input voltage, and the logic control unit is used for outputting logic control signals to control connection and disconnection of the output unit according to the input voltage. According to the device, a circuit structure for identifying the input voltage is provided for electronic equipment, and the service life of the electronic equipment is prolonged. 本发明提供种自动识别输入电压的装置，所述自动识别输入电压的装置包括输入单元、逻辑控制单元及输出单元，所述输入单元通过所述逻辑控制单元与所述输出单元相连，所述输入单元用于提供输入电压，所述逻辑控制单元用于根据所述输入电压的大小输出逻辑控制信号控制所述输出单元的导通与截止。利用本发明为电子设备提供种识别输入电压的电路结构，延长电子设备的使用寿命。