Heat dissipation device

Abstract

An exemplary heat dissipation device includes a fan, a fin unit, and a mounting frame connected the fan and the fin unit together. The fan includes a casing and an impeller received in the casing. The casing defines an air outlet at one side thereof. The fin unit is arranged at the air outlet of the fan. The mounting frame connects the fan and the fin unit together. The mounting frame includes a supporting member for supporting the fan thereon and a connecting member substantially covering three sides of the fin unit and connected to the supporting member. The fan is pivotably connected to the mounting frame.

1 . A heat dissipation device, comprising:
 a fan comprising a casing and an impeller received in the casing, the casing defining an air outlet at one side thereof;   a fin unit arranged at the air outlet of the fan; and   a mounting frame connected the fan and the fin unit together, the mounting frame comprising a supporting member for supporting the fan thereon and a connecting member substantially covering three sides of the fin unit and connected to the supporting member, the fan pivotably connected to the mounting frame.   
     
     
         2 . The heat dissipation device of  claim 1 , wherein one of the fan and the mounting frame comprises a plurality of pivot pins thereof, and the other one of the fan and mounting frame defines a plurality of pivot holes corresponding to the pivot pins therein. 
     
     
         3 . The heat dissipation device of  claim 2 , wherein the pivot pins extend outward from the casing, and the pivot holes are defined in the connecting member. 
     
     
         4 . The heat dissipation device of  claim 3 , wherein the connecting member comprises two vertical walls abutting two opposite sides of the fin unit, the pivot pins comprising two in number and arranged at two opposite sides of the air outlet, respectively, the pivot holes being defined in the vertical walls, respectively. 
     
     
         5 . The heat dissipation device of  claim 4 , wherein a plurality of tabs depend outward from the vertical walls and connect the supporting member. 
     
     
         6 . The heat dissipation device of  claim 3 , wherein the connecting member further comprises a horizontal wall connected between the vertical walls and abutting another side of the fin unit. 
     
     
         7 . The heat dissipation device of  claim 3 , wherein the fan comprises a mounting tab extending outward from one end of the casing that is far way from the air outlet, the mounting tab being configured to connect the supporting member. 
     
     
         8 . The heat dissipation device of  claim 1 , wherein the supporting member comprises a heat absorption plate, a plurality of mounting arms extending outward from the heat absorption plate and a supporting arm connected two of the mounting arms, the fan being arranged on the supporting arm, one side of the fan that is far away from the pivot pins connected the supporting member. 
     
     
         9 . The heat dissipation device of  claim 8 , wherein the supporting arm comprises two first bar frames extending outward from the two of the mounting arms, respectively, and a second bar frame connected between the first bar frames, the connecting member connected the second bar frame. 
     
     
         10 . The heat dissipation device of  claim 9 , wherein the fin unit defines a cutout in a bottom end thereof for receiving a part of the second bar frame therein. 
     
     
         11 . The heat dissipation device of  claim 8 , wherein the fan comprises a mounting tab extending outward from one end of the casing that is far away from the air outlet, the mounting tab defining a mounting hole therein, a central hole corresponding to the mounting hole being defined in the heat absorption plate. 
     
     
         12 . The heat dissipation device of  claim 8 , further comprising a plurality of heat pipes each having one end connected the fin unit and another end received in a recess which is defined in a bottom surface of the heat absorption plate. 
     
     
         13 . A heat dissipation device, comprising:
 a fan comprising a casing and an impeller received in the casing, the casing defining an air outlet at a first side thereof and comprising a mounting tab at a second side thereof opposite to the first side;   a fin unit arranged at the air outlet of the fan; and   a mounting frame connecting the fan and the fin unit together, the mounting frame comprising a supporting member for supporting the fan thereon and a connecting member substantially covering three sides of the fin unit and connected to the supporting member;   wherein one of the fan and the mounting frame comprises a plurality of pivot pins thereof, and the other one of the fan and mounting frame defines a plurality of pivot holes corresponding to the pivot pins therein, the fan being rotatable between a first state where the mounting tab is spaced apart from the supporting member and a second state where the mounting tab substantially abuts the supporting member.   
     
     
         14 . The heat dissipation device of  claim 13 , wherein the connecting member comprises two vertical walls abutting two opposite sides of the fin unit, the pivot pins comprising two in number and arranged at two opposite sides of the air outlet, respectively, the pivot holes being defined in the vertical walls, respectively. 
     
     
         15 . The heat dissipation device of  claim 14 , wherein a plurality of tabs depend outward from the vertical walls and connect the supporting member. 
     
     
         16 . The heat dissipation device of  claim 14 , wherein the connecting member further comprises a horizontal wall connected between the vertical walls and abutting another side of the fin unit. 
     
     
         17 . The heat dissipation device of  claim 13 , wherein the supporting member comprises a heat absorption plate, a plurality of mounting arms extending outward from the heat absorption plate and a supporting arm connected two of the mounting arms, the fan being arranged on the supporting arm, the mounting tab being configured to connect the heat absorption plate. 
     
     
         18 . The heat dissipation device of  claim 17 , wherein the mounting tab defines a mounting hole therein, a central hole corresponding to the mounting hole being defined in the heat absorption plate. 
     
     
         19 . The heat dissipation device of  claim 17 , wherein the supporting arm comprises two first bar frames extending outward from the two of the mounting arms, respectively, and a second bar frame connected between the first bar frames, the connecting member connected the second bar frame. 
     
     
         20 . The heat dissipation device of  claim 19 , wherein the fin unit comprises a plurality of fins stacked together and defines a cutout in a bottom end thereof for receiving a part of the second bar frame therein, the cutout extending horizontally along a length of the series of fins.