Cooling device

Abstract

An exemplary cooling device includes a heat dissipating member, a pump, a heat absorbing member defining a receiving chamber containing coolant therein, and a liquid input conduit and a liquid output conduit connecting the heat absorbing member, the heat dissipation member and the pump together to form a heat transfer loop. The heat absorbing member have at a first side and a second side opposite to the first side. The heat absorbing member defines a heating area at the first side. The heating area is configured to contact a heat generating component for absorbing heat generated by the heat generating component. The heat absorbing member includes at the second side a liquid inlet aligned with the heating area and liquid outlets around the liquid inlet.

1 . A cooling device, comprising:
 a heat dissipating member;   a pump;   a heat absorbing member defining a receiving chamber for containing coolant therein, the heat absorbing member having at a first side and a second side opposite to the first side, the heat absorbing member defining a heating area at the first side, the heating area configured to contact a heat generating component for absorbing heat generated by the heat generating component, the heat absorbing member comprising at the second side a liquid inlet aligned with the heating area and a plurality of liquid outlets around the liquid inlet; and   a liquid input conduit and a liquid output conduit connecting the heat absorbing member, the heat dissipation member and the pump together to form a heat transfer loop.   
     
     
         2 . The cooling device of  claim 1 , wherein the heat absorbing member comprises a bottom plate and a cover covered on the bottom plate, the heating area is formed at a central portion of the bottom plate, and the liquid inlet and the liquid outlets are defined in the cover. 
     
     
         3 . The cooling device of  claim 1 , wherein the plurality of liquid outlets comprises two in number, the liquid outlets are arranged symmetrically at two sides of the liquid inlet. 
     
     
         4 . The cooling device of  claim 3 , wherein the liquid output conduit comprises a first pipe connected with the heat dissipation element and two second pipes connected with the liquid outlets of the heat absorbing member. 
     
     
         5 . The cooling device of  claim 4 , wherein the liquid output conduit comprises a Y-junction connector connected the first pipe and the second pipes together, the Y-junction connector defining a first end connected with the first pipe and two second ends connected with the second pipes, respectively, at distal ends thereof. 
     
     
         6 . The cooling device of  claim 3 , wherein the liquid output conduit overall is Y-shaped. 
     
     
         7 . The cooling device of  claim 1 , wherein the liquid output conduit comprises a first pipe connected with the heat dissipation member and a plurality of second pipes connected with the liquid outlets of the heat absorbing member, respectively. 
     
     
         8 . The cooling device of  claim 1 , wherein each of the liquid inlet and the liquid outlets comprises a plurality of female threads at inner surface thereof, the heat absorbing member comprising a plurality of connecting units threaded on the liquid inlet and the liquid outlets, respectively, each of the connecting units comprising a fastener and a threaded cap around the fastener, the fastener defining a through hole communicated with the receiving chamber of the heat absorbing member along an axis thereof, an annular space being defined between the fastener and the threaded cap of each connecting unit for inference connecting with a corresponding liquid output conduit or a corresponding liquid input conduit. 
     
     
         9 . The cooling device of  claim 1 , wherein the heat absorbing member comprises a fin unit arranged right above the heating area. 
     
     
         10 . The cooling device of  claim 9 , wherein the fin unit comprises a plurality of fins stacked together, each two neighboring fins defining a flow channel therebetween, the liquid inlet and the liquid outlets arranged in a line, each of the flow channels extending along an axis along which the liquid inlet and the liquid outlets are arranged. 
     
     
         11 . The cooling device of  claim 9 , wherein the heat sink is immersed in the coolant contained in the receiving chamber. 
     
     
         12 . A cooling device, comprising:
 a heat dissipating member;   a pump;   a heat absorbing member comprises a bottom plate and a cover attached on the bottom plate, a receiving chamber defined between the bottom plate and the cover for containing coolant therein, a heating area of the bottom plate configured to contact a heat generating component for absorbing heat generated by the heat generating component, the cover comprising a liquid inlet aligned with the heating area and a plurality of liquid outlets around the liquid inlet; and   a liquid input conduit and a liquid output conduit connecting the heat absorbing member, the heat dissipation member and the pump together to form a heat transfer loop;   wherein the coolant is driven by the pump to circulate through heat transfer loop, whereby the coolant takes the heat from the heat absorbing member to the heat dissipating member for dissipating.   
     
     
         13 . The cooling device of  claim 12 , wherein the heat absorbing member comprises a fin unit arranged right above the heating area. 
     
     
         14 . The cooling device of  claim 13 , wherein the fin unit comprises a plurality of fins stacked together, each two neighboring fins defining a flow channel therebetween, the liquid inlet and the liquid outlets arranged in a line, each of the flow channels extending along an axis along which the liquid inlet and the liquid outlets are arranged. 
     
     
         15 . The cooling device of  claim 13 , wherein the heat sink is immersed in the coolant contained in the receiving chamber. 
     
     
         16 . The cooling device of  claim 12 , wherein the plurality of liquid outlets comprises two in number, the liquid outlets are arranged symmetrically at two sides of the liquid inlet. 
     
     
         17 . The cooling device of  claim 16 , wherein the liquid output conduit overall is Y-shaped, and comprises a first pipe connected with the heat dissipation element and two second pipes connected with the liquid outlets of the heat absorbing member. 
     
     
         18 . The cooling device of  claim 17 , wherein the liquid output conduit comprises a Y-junction connector connected the first pipe and the second pipes together, the Y-junction connector defining a first end connected with the first pipe and two ends connected with the second pipes, respectively, at distal ends thereof. 
     
     
         19 . The cooling device of  claim 12 , wherein each of the liquid inlet and the liquid outlets comprises a plurality of female thread at inner surface thereof, the heat absorbing member comprising a plurality of connecting units threaded on the liquid inlet and the liquid outlets, respectively, each of the connecting units comprising a fastener and a threaded cap around the fastener, the fastener defining a through hole communicated with the receiving chamber of the heat absorbing member along an axis thereof, an annular space being defined between the fastener and the threaded cap of each connecting unit for inference connecting with a corresponding liquid output conduit or a corresponding liquid input conduit.