Patent ID: 8568024

Claim:
A temperature detecting system for adjusting direction of airflow from a fan according to thermal status in an electronic device, comprising: a detection module capable of detecting temperatures of a plurality of position coordinates in the electronic device and converting the detected temperatures and the plurality of position coordinates corresponding to the detected temperatures to first voltage signals; wherein the detection module comprises an infrared probe and a voltage level conversion unit; the infrared probe comprises a digital signal transmission terminal capable of outputting second voltage signals; the voltage level conversion unit comprises a first voltage level signal input terminal and a first voltage level signal output terminal; the digital signal transmission terminal is capable of transmitting the first voltage signals to the first voltage level signal input terminal; and the voltage level conversion unit is capable of converting voltage level of the second voltage signals and outputting the first voltage signals at the first voltage level signal output terminal; a storage module; a control module capable of receiving the first voltage signals and comparing the temperatures of corresponding position coordinates to output a position coordinate of the greatest temperature according to the first voltage signals; wherein the control module converts the first voltage signals to datum which are stored in the storage module; the control module comprises a micro controller; the micro controller comprises a voltage level signal receiving terminal and a plurality of first and second control signal output terminals; the voltage level signal receiving terminal is capable of receiving the first voltage signals; and the first and second control signal output terminals are capable of outputting detection control signals and rotation control signals respectively; a driver module capable of receiving the position coordinate of the greatest temperature and directing airflow towards a position having the greatest temperature; wherein the driver module comprises a first driver module and a second driver module; the first driver module comprises a plurality of first control signal input terminals and a plurality of first driver signal output terminals; the second driver module comprises a plurality of second control signal input terminals and second driver signal output terminals; the first and a plurality of second control signal input terminals are capable of receiving the detection control signals and rotation control signals respectively; and the first and second driver signal output terminals are capable of outputting first and second driver signals respectively; a probe motor capable of receiving the first driver signal and adjusting movement of the infrared probe to detect temperatures of different positions in the electronic device; and a fan motor capable of receiving the second driver signal and adjusting the fan rotating and turning toward a corresponding position in the electronic device.