Cooling device of electronic apparatus

Abstract

A cooling device for an electronic apparatus includes a heat generating element attached within a housing, a heat receiving jacket connectable with the heat generating element, a heat exchanger for exchanging heat between the heat receiving jacket and outside of the electronic apparatus and a liquid driver which supplies a cooling liquid to the heat receiving jacket. A part of pipework connected between the heat receiving jacket, the heat exchanger, and the liquid driver is made of a flexible tube of resin, and an ion exchanger is provided in a portion of the pipework. The cooling liquid has a corrosion inhibitor therein.

1 . A cooling device for an electronic apparatus comprising: 
 a heat generating element attached within a housing;    a heat receiving jacket connectable with the heat generating element;    a heat exchanger for exchanging heat between the heat receiving jacket and outside of the electronic apparatus; and    a liquid driver which supplies a cooling liquid to the heat receiving jacket, wherein a part of pipework connected between the heat receiving jacket, the heat exchanger, and the liquid driver is made of a flexible tube of resin, and further comprising:    an ion exchanger provided in a portion of the pipework;    wherein the cooling liquid has a corrosion inhibitor therein.    
   
   
       2 . The cooling device, as defined in the  claim 1 , wherein the ion exchanger is provided in the portion of the pipework where temperature is lowest in the electronic apparatus.  
   
   
       3 . The cooling device, as defined in the  claim 1 , wherein the ion exchanger is provided in a portion of the pipework between the heat exchanger and the heat receiving jacket.  
   
   
       4 . The cooling device, as defined in the  claim 1  wherein the ion exchanger is provided in a front stage of a pump of the liquid driver.  
   
   
       5 . The cooling device, as defined in the  claim 3 , wherein the ion exchanger is provided in a front stage of a pump of the liquid driver.  
   
   
       6 . A cooling device for an electronic apparatus comprising: 
 a heat generating element attached within a housing;    a heat receiving jacket connectable with the heat-generating element;    a heat exchanger for exchanging heat between the heat receiving jacket and outside of the electronic apparatus; and    a liquid driver which supplies a cooling liquid to the heat receiving jacket;    wherein a part of pipework connected between the heat receiving jacket, the heat exchanger, and the liquid driver is made of a flexible tube of resin, and further comprising:    an ion exchanger, which is provided in a portion of the pipework;    wherein at least the heat receiving jacket and the heat exchanger are made of different materials, each of the different materials being selected from aluminum group materials and copper group materials, wherein the cooling liquid is one of an anti-freeze liquid and pure water, and wherein the cooling liquid has a corrosion inhibitor for the copper group materials.    
   
   
       7 . The cooling device, as defined in the  claim 6 , wherein the ion exchanger is provided in the portion of the pipework where temperature is lowest in the electronic apparatus.  
   
   
       8 . The cooling device, as defined in the  claim 6 , wherein the ion exchanger is provided in the portion of the pipework between the heat exchanger and the heat receiving jacket.  
   
   
       9 . The cooling device, as defined in the  claim 6 , wherein said ion exchanger is provided in a front stage of a pump of the liquid driver.  
   
   
       10 . The cooling device, as defined in the  claim 8 , wherein the ion exchanger is provided in a front stage of a pump of the liquid driver.  
   
   
       11 . A cooling device for an electronic apparatus comprising: 
 a heat generating element attached within a first housing;    a heat receiving jacket connectable with the heat generating element;    a second housing rotatably supported on the first housing;    a heat exchanger attached within the first housing for exchanging heat between the heat receiving jacket and outside of the electronic apparatus; and    a liquid driver which supplies cooling liquid to the heat receiving jacket;    wherein a part of a pipe connected between the heat receiving jacket, the heat exchanger, and the liquid driver is made of a flexible tube of resin, and further comprising:    an ion exchanger provided in a portion of the pipe which is received within the second housing;    wherein the cooling liquid has a corrosion inhibitor therein.    
   
   
       12 . The cooling device, as defined in the  claim 11 , wherein the ion exchanger is provided in the portion of the pipe where temperature is lowest in the electronic apparatus.  
   
   
       13 . The cooling device, as defined in the  claim 11 , wherein the ion exchanger is provided in the portion of the pipe between the heat exchanger and the heat receiving jacket.  
   
   
       14 . The cooling device, as defined in the  claim 11 , wherein the ion exchanger is provided in a front stage of a pump of the liquid driver.  
   
   
       15 . The cooling device, as defined in the  claim 13 , wherein the ion exchanger is provided in a front stage of a pump of the liquid driver.