Patent ID: 7800246

Claim:
An electronic device with redundant fan control function comprising: a switch module comprising a first switch unit and a second switch unit; a first power supply device comprising: a first power supply capable of controlling the first switch unit to turn on and turn off; at least one first fan connected to the first switch unit and configured for dissipating heat from the electronic device; and a first control module connected to the first power supply and capable of sending a first group of control information to the at least one first fan and the second switch unit; and a second power supply device comprising: a second power supply capable of controlling the second switch unit to turn on and turn off; at least one second fan connected to the second switch unit and configured for dissipating heat from the electronic device; and a second control module connected to the second power supply and capable of sending a second group of control information to the at least one second fan and the first switch unit; wherein both the first power supply and the second power supply are configured for powering the at least one first fan and the at least one second fan, the first switch is turned on to allow the second group of control information to control the at least one first fan in response to the first power supply stops working, and the second switch is turned on to allow the first group of control information to control the at least one second fan in response to the second power supply stops working.