Heat dissipation apparatus

Abstract

A heat dissipation apparatus includes a heat dissipating device, a fan and an air guiding duct. The heat dissipating device includes a heat conduction core, a plurality of fins, and a pair of securing fin assemblies. The pair of securing fin assemblies includes a first securing fin, and a first securing hole defined in the first securing fin. The fan includes a bottom panel and a plurality of fan blades. The bottom panel defines a fixing hole. The air guiding duct is hollow and defines an air guiding opening communicating with the plurality of fan blades. The first securing hole is aligned with the fixing hole, a fixing member is engaged in the first securing hole and the fixing hole, and the fan is secured to the heat dissipating device.

1 . A heat dissipation apparatus comprising:
 a heat dissipating device comprising a plurality of fins and a pair of securing fin assemblies; the pair of securing fin assemblies comprising a first securing fin, and a first securing hole defined in the first securing fin;   a fan secured to the heat dissipating device, the fan comprising a bottom panel and a plurality of fan blades; the bottom panel defining a fixing hole; the first securing hole being aligned with the fixing hole;   an air guiding duct attached to the fan; the air guiding duct being hollow and defining an air guiding opening communicating with the plurality of fan blades; and   a fixing member engaged in the first securing hole and the fixing hole.   
     
     
         2 . The heat dissipation apparatus of  claim 1 , wherein the first securing fin extends out of the plurality of fins. 
     
     
         3 . The heat dissipation apparatus of  claim 1 , wherein the pair of securing fin assemblies further comprises a second securing fin adjacent to the first securing fin, a length of the second securing fin is greater than a length of the first securing fin, and a second securing hole is defined in the second securing fin for receiving a mounting member. 
     
     
         4 . The heat dissipation apparatus of  claim 1 , wherein the air guiding opening is a rectangle. 
     
     
         5 . The heat dissipation apparatus of  claim 4 , wherein the fan defines a receiving hole configured to receive the plurality of fan blades, and a size of the receiving hole is substantially equal to a size of the air guiding opening. 
     
     
         6 . The heat dissipation apparatus of  claim 1 , wherein the fan comprises a top panel opposite to the bottom panel, the top panel defines a mounting hole, a securing post extends from the air guiding duct, and the securing post is engaged in the mounting hole. 
     
     
         7 . The heat dissipation apparatus of  claim 6 , wherein a clipping portion extends from the air guiding duct, and the clipping portion is adjacent to the securing post and clamped to the top panel. 
     
     
         8 . The heat dissipation apparatus of  claim 1 , wherein the first securing fin is arcuate. 
     
     
         9 . The heat dissipation apparatus of  claim 1 , wherein the first securing hole comprises a cutout, and when the fixing member is received in the first securing hole, the fixing member expands the cutout by pressing the first securing fin. 
     
     
         10 . A heat dissipation apparatus comprising:
 a heat dissipating device comprising a heat conduction core, a plurality of fins surrounding the heat conduction core, and four pairs of securing fin assemblies evenly arranged among the plurality of fins; each of the four pairs of securing fin assemblies comprising a first securing fin and a second securing fin adjacent to the first securing fin; a first securing hole being defined in the first securing fin, and a second securing hole being defined in the second securing fin; the second securing hole being adapted to receive a mounting member;   a fan attached to the heat dissipating device, comprising a bottom panel and a plurality of fan blades; the bottom panel defining a fixing hole aligned with the first securing hole;   an air guiding duct attached to the fan; the air guiding duct being hollow and defining an air guiding opening communicating with the plurality of fan blades;   a fixing member engaged in the first securing hole and the fixing hole.   
     
     
         11 . The heat dissipation apparatus of  claim 10 , wherein each of the four pairs of securing fin assemblies extends out of the plurality of fins, and a length of the second securing fin is greater than a length of the first securing fin. 
     
     
         12 . The heat dissipation apparatus of  claim 10 , wherein the air guiding opening is a rectangle. 
     
     
         13 . The heat dissipation apparatus of  claim 12 , wherein the fan defines a receiving hole configured to receive the plurality of fan blades, and a size of the receiving hole is substantially equal to a size of the air guiding opening. 
     
     
         14 . The heat dissipation apparatus of  claim 10 , wherein the fan comprises a top panel opposite to the bottom panel, the top panel defines a mounting hole, a securing post extends from the air guiding duct, and the securing post is engaged in the mounting hole. 
     
     
         15 . The heat dissipation apparatus of  claim 14 , wherein a clipping portion extends from the air guiding duct, and the clipping portion is adjacent to the securing post and clamped to the top panel. 
     
     
         16 . The heat dissipation apparatus of  claim 10 , wherein the first securing fin is arcuate. 
     
     
         17 . The heat dissipation apparatus of  claim 10 , wherein the first securing hole comprises a cutout, and when the fixing member is received in the first securing hole, the fixing member expands the cutout by pressing the first securing fin.