Heat dissipaion device and thermal module using same

Abstract

A heat dissipation device and a thermal module using same are disclosed. The heat dissipation device includes at least one water block, a heat exchanger, a first metal tube and a second metal tube, and the water block and the heat exchanger are connected to one another by the first and second metal tubes. The thermal module includes, in addition to the heat dissipation device, a pump unit connected to the heat exchanger of the heat dissipation device, and a cooling fluid filled in the heat dissipation device and the pump unit. By connecting the water block to the heat exchanger via the first and second metal tubes, it is able to effectively prevent the problem of cooling fluid leakage.

What is claimed is: 
     
         1 . A heat dissipation device, comprising:
 at least one water block internally defining a first receiving space and being provided with a first inlet and a first outlet, and the first inlet and outlet being communicable with the first receiving space;   a heat exchanger including at least one hollow container and at least one heat dissipation element; the hollow container internally defining a second receiving space and being provided with a first inlet port, a first outlet port, a second inlet port and a second outlet port; the first inlet and outlet ports as well as the second inlet and outlet ports being communicable with the second receiving space, and the heat dissipation element being attached to the hollow container;   a first metal tube having two ends separately connected to the first outlet of the water block and the first inlet port of the heat exchanger; and   a second metal tube having two ends separately connected to the first inlet of the water block and the first outlet port of the heat exchanger.   
     
     
         2 . The heat dissipation device as claimed in  claim 1 , wherein the first and the second metal tube are made of a material selected from the group consisting of a copper material and an aluminum material. 
     
     
         3 . The heat dissipation device as claimed in  claim 1 , wherein the second inlet port and the second outlet port of the heat exchanger respectively have a quick coupler connected thereto. 
     
     
         4 . The heat dissipation device as claimed in  claim 1 , wherein the heat dissipation element is selected from the group consisting of a heat sink, a radiating fin assembly, and a cooling fan. 
     
     
         5 . The heat dissipation device as claimed in  claim 1 , wherein the two ends of the first metal tube are connected to the first outlet of the water block and the first inlet port of the heat exchanger by way of ultrasonic welding; and the two ends of the second metal tube are connected to the first inlet of the water block and the first outlet port of the heat exchanger by way of ultrasonic welding. 
     
     
         6 . The heat dissipation device as claimed in  claim 1 , wherein the first receiving space defined in the water block has a plurality of radiating fins provided therein. 
     
     
         7 . The heat dissipation device as claimed in  claim 1 , wherein the water block has at least one side being a heat-absorbing side. 
     
     
         8 . The heat dissipation device as claimed in  claim 1 , wherein the second receiving space defined in the hollow container of the heat exchanger is further divided into a first water chamber and a second water chamber. 
     
     
         9 . A thermal module, comprising:
 a heat dissipation device including:
 at least one water block internally defining a first receiving space and being provided with a first inlet and a first outlet, and the first inlet and outlet being communicable with the first receiving space; 
 a heat exchanger including at least one hollow container and at least one heat dissipation element; the hollow container internally defining a second receiving space and being provided with a first inlet port, a first outlet port, a second inlet port and a second outlet port; the first inlet and outlet ports as well as the second inlet and outlet ports being communicable with the second receiving space, and the heat dissipation element being attached to the hollow container; 
 a first metal tube having two ends separately connected to the first outlet of the water block and the first inlet port of the heat exchanger; and 
 a second metal tube having two ends separately connected to the first inlet of the water block and the first outlet port of the heat exchanger; 
   a pump unit being internally provided with a water guide way and a first pump impeller, and externally provided with a water outlet port and a water inlet port; the water outlet port and the water inlet port being communicable with the water guide way; the first pump impeller being mounted in the water guide way; and the water outlet port and the water inlet port being connected to the second inlet port and the second outlet port, respectively, of the heat exchanger of the heat dissipation device; and   a cooling fluid being filled in the heat dissipation device and the pump unit.   
     
     
         10 . The thermal module as claimed in  claim 9 , wherein the first and the second metal tube are made of a material selected from the group consisting of a copper material and an aluminum material. 
     
     
         11 . The thermal module as claimed in  claim 9 , wherein the second inlet port and the second outlet port of the heat exchanger respectively have a quick coupler connected thereto. 
     
     
         12 . The thermal module as claimed in  claim 9 , wherein the heat dissipation element is selected from the group consisting of a heat sink, a radiating fin assembly, and a cooling fan. 
     
     
         13 . The thermal module as claimed in  claim 9 , wherein the two ends of the first metal tube are connected to the first outlet of the water block and the first inlet port of the heat exchanger by way of ultrasonic welding; and the two ends of the second metal tube are connected to the first inlet of the water block and the first outlet port of the heat exchanger by way of ultrasonic welding. 
     
     
         14 . The thermal module as claimed in  claim 9 , wherein the first receiving space defined in the water block has a plurality of radiating fins provided therein. 
     
     
         15 . The thermal module as claimed in  claim 9 , wherein the water block has at least one side being a heat-absorbing side. 
     
     
         16 . The thermal module as claimed in  claim 9 , wherein the pump unit further includes a second pump impeller mounted in the water guide way. 
     
     
         17 . The thermal module as claimed in  claim 9 , wherein the second receiving space defined in the hollow container of the heat exchanger is further divided into a first water chamber and a second water chamber.