Heat dissipation module and fan thereof

Abstract

A heat dissipation module assembled with a circuit board is disclosed. The heat dissipation module assembled comprises a fan and at least a heat sink. The fan comprises a frame and an impeller. The frame comprises a body and at least an extension, wherein the extension protrudes from at least a side of the body. The impeller is disposed in the body. The heat sink is coupled to the extension for dissipating heat produced from an electronic element disposed on the circuit board, wherein the heat sink is received in the extension and disposed on the electronic element.

1 . A heat dissipation module assembled with a circuit board, comprising:
 a fan comprising:
 a frame comprising a body and at least an extension, wherein the extension protrudes from at least a side of the body; and 
 an impeller disposed in the body; and 
   at least a heat sink coupled to the extension for dissipating heat produced from an electronic element disposed on the circuit board, wherein the heat sink is received in the extension and disposed on the electronic element.   
   
   
       2 . The heat dissipation module as claimed in  claim 1 , wherein a cross-sectional shape of the extension toward an axial direction of the body is U-shaped, and the extension protrudes from at least a side of the body along the axial direction. 
   
   
       3 . The heat dissipation module as claimed in  claim 1 , wherein the extension is connected to the circuit board by a base, and the base receives screws or spring screws therein. 
   
   
       4 . The heat dissipation module as claimed in  claim 1 , wherein the extension or the body comprises at least a connecting structure for connecting the fan to the circuit board, wherein the connecting structure is a bolt, a fastening structure, a sliding structure or a guiding structure. 
   
   
       5 . The heat dissipation module as claimed in  claim 1 , further comprising at least a fastener for fixing the fan on the circuit board. 
   
   
       6 . The heat dissipation module as claimed in  claim 1 , wherein the electronic element is a central processing unit or an integrated chip, and the circuit board is a printed circuit board or laminated circuit board. 
   
   
       7 . The heat dissipation module as claimed in  claim 1 , wherein the impeller comprises at least a blade with a flat, curved, or arced shape. 
   
   
       8 . The heat dissipation module as claimed in  claim 1 , wherein the frame is made of non-metal materials, plastics, rubber, or polymer materials. 
   
   
       9 . The heat dissipation module as claimed in  claim 1 , wherein the extension and the body are formed as a monolithic unit. 
   
   
       10 . A system comprising:
 a circuit board;   an electronic element disposed on the circuit board; and   a heat dissipation module assembled with a circuit board, comprising:
 a fan comprising:
 a frame comprising a body and at least an extension, wherein the extension protrudes from at least a side of the body; and 
 an impeller disposed in the body; and 
 
 at least a heat sink coupled to the extension for dissipating heat produced from the electronic element, wherein the heat sink is received in the extension and disposed on the electronic element. 
   
   
   
       11 . The system as claimed in  claim 10 , wherein the frame is fixed on the circuit board by a fastener surrounding the frame. 
   
   
       12 . The system as claimed in  claim 11 , wherein the fastener is a metal sheet. 
   
   
       13 . The system as claimed in  claim 12 , wherein a cross-sectional shape of the fastener toward an axial direction of the body is U-shaped. 
   
   
       14 . The system as claimed in  claim 11 , wherein a cross-sectional shape of the extension toward an axial direction of the body is U-shaped, and the extension protrudes from at least a side of the body along the axial direction. 
   
   
       15 . The system as claimed in  claim 11 , wherein the extension is connected to the circuit board by a base, and the base receives screws or spring screws therein. 
   
   
       16 . The system as claimed in  claim 11 , wherein the extension or the body comprises at least a connecting structure for connecting the fan to the circuit board, wherein the connecting structure is a bolt, a fastening structure, a sliding structure, or a guiding structure. 
   
   
       17 . The system as claimed in  claim 11 , further comprising at least a fastener for fixing the fan on the circuit board. 
   
   
       18 . The system as claimed in  claim 11 , wherein the electronic element is a central processing unit or an integrated chip, and the circuit board is a printed circuit board or laminated circuit board. 
   
   
       19 . The system as claimed in  claim 11 , wherein the impeller comprises at least a blade with a flat, curved, or arced shape, and the frame is made of non-metal materials, plastics, rubber, or polymer materials. 
   
   
       20 . The system as claimed in  claim 11 , wherein the extension and the body are formed as a monolithic unit.