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BATTERY OVERHEATING PROTECTION DEVICE AND ELECTRONIC DEVICE HAVING SAME

  • US 20090317699A1
  • Filed: 06/02/2009
  • Published: 12/24/2009
  • Est. Priority Date: 06/20/2008
  • Status: Abandoned Application
First Claim
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1. A battery overheating protection device used in an electronic device, the electronic device comprising a main unit configured to implement basic functions of the electronic device and a battery unit configured to supply power to the main unit, the battery overheating protection device comprising:

  • a temperature monitoring unit configured to store a predetermined temperature value, measure a temperature value of the battery unit, and output a signal when the detected temperature value is greater than the predetermined temperature value, the temperature monitoring unit comprising at least one thermistor thermally connected to the battery unit;

    a switch unit connected between the main unit and the battery unit; and

    a processing unit configured to receive the signal and open the switch unit when receiving the signal, thereby the battery unit is disconnected from the main unit.

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