Mobile communication device and method for exhausting heat therefrom

Abstract

A mobile communication device includes a heat transfer path to transfer heat generated in the mobile communication device to a heat exhaust component, in which the heat exhaust component generates air flow to exhaust heat out of the mobile communication device.

What is claimed is: 
     
         1 . A method for removing heat in a mobile communication device, comprising:
 detecting a temperature above a reference threshold in the mobile communication device;   determining whether a heat exhaust operation is to be performed based on the temperature;   driving a heat exhaust motor in the mobile communication device according to a mode of operation; and   exhausting heat generated in the terminal.   
     
     
         2 . The method of  claim 1 , wherein the mode of operation is a cooling mode, the cooling mode generating only a flow of air among the flow of air and a vibration. 
     
     
         3 . The method of  claim 1 , wherein the mode of operation is a cooling-vibration mode, the cooling-vibration mode generating both a flow of air and a vibration. 
     
     
         4 . The method of  claim 1 , further comprising:
 determining whether generation of noise is to be reduced; and   controlling a rotation speed of the heat exhaust motor for reducing noise.   
     
     
         5 . The method of  claim 1 , further comprising:
 determining whether the mobile communication device is permitted to generate a vibration and selecting the mode of operation as one of a cooling mode and a cooling-vibrating mode according to the determining whether vibration is permitted.   
     
     
         6 . A mobile communication device, comprising:
 a heat transfer path to transfer heat generated in the mobile communication device to a heat exhaust component,   wherein the heat exhaust component generates air flow to exhaust heat out of the mobile communication device.   
     
     
         7 . The mobile communication device of  claim 6 , wherein the heat exhaust component comprises:
 a vibrator to rotate around a rotary shaft to generate at least one of air flow and vibration;   a housing unit with a heat receiving port and a heat exhaust port to house the vibrator, the housing unit comprising the rotary shaft; and   a vibration restraining portion to contact the rotary shaft to selectively restrain the vibrator from generating the vibration according to a mode of operation,   
     
     
         8 . The mobile communication device of  claim 7 , wherein the mode of operation comprises at least one of a cooling mode and a cooling-vibration mode. 
     
     
         9 . The mobile communication device of  claim 8 , wherein the vibration restraining portion contacts a portion of the rotary shaft to operate in the cooling mode. 
     
     
         10 . The mobile communication device of  claim 7 , further comprising a magnet to rotate the vibrator. 
     
     
         11 . The mobile communication device of  claim 1 , further comprising a protective film disposed over an exhaust hole disposed on a surface of the mobile communication device. 
     
     
         12 . The mobile communication device of  claim 7 , wherein a direction of flow of air is directed according to a rotating direction of the vibrator. 
     
     
         13 . The mobile communication device of  claim 7 , wherein the vibration restraining portion is aligned coaxially with the rotary shaft. 
     
     
         14 . The mobile communication device of  claim 7 , wherein the housing unit further comprises an opening, through which a portion of the vibration restraining portion is extended therethrough to contact the rotary shaft. 
     
     
         15 . The mobile communication device of  claim 7 , further comprising a guide member to allow the vibration restraining portion to contact the housing, wherein at least one of the guide member and the vibration restraining portion is an electromagnet. 
     
     
         16 . The mobile communication device of  claim 15 , wherein at least one of the vibration portion and the guide member uses at least one of a magnetic force and an elastic force to control contact by the vibration restraining portion to the rotary shaft. 
     
     
         17 . The mobile communication device of  claim 7 , further comprising a rotation speed control unit to control a rotation speed of the vibrator. 
     
     
         18 . The mobile communication device of  claim 6 , further comprising an exhaust hole disposed on a surface of the mobile communication device. 
     
     
         19 . The mobile communication device of  claim 18 , wherein the heat exhaust component includes at least one receiving port to receive heat into the heat exhaust component, and at least one exhaust port connected to the exhaust hole to transfer the heat out of the mobile communication device. 
     
     
         20 . The mobile communication device of  claim 6 , wherein the heat exhaust component generates air flow to draw air into the mobile communication device from an outside environment. 
     
     
         21 . The mobile communication device of  claim 6 , further comprising:
 a temperature sensor to determine whether temperature inside of the mobile communication device is greater than a reference threshold.   
     
     
         22 . The mobile communication device of  claim 19 , further comprising a switch portion to block a flow of air to the at least one heat exhaust port according to an orientation of the mobile communication device. 
     
     
         23 . The mobile communication device of  claim 22 , wherein the switch portion blocks the at least one heat exhaust port to direct the flow of air in a direction less resistant to effects of gravity. 
     
     
         24 . The mobile communication device of  claim 22 , wherein the switch portion is oriented to be parallel with the flow of air.