Cooling module

Abstract

A cooling module includes a first radiator configured to cool a fuel cell stack. A second radiator is positioned in a predetermined area in front of the first radiator in an air flow direction and configured to cool an electronic component. A first condenser is positioned in the other remaining area in front of the first radiator in the air flow direction and heat-exchanged with ambient air to condense a refrigerant. A second condenser is provided within the second radiator and heat-exchanged with a coolant to condense a refrigerant. The second radiator and the first condenser are positioned alongside each other in front of the first radiator. The second condenser is provided within the second radiator.

What is claimed is: 
     
         1 . A cooling module comprising:
 a first radiator;   a second radiator positioned in a first portion of a predetermined area downstream of the first radiator with respect to an air flow direction of the cooling module; and   a first condenser positioned in a second portion of the predetermined area, the first condenser configured to condense a refrigerant.   
     
     
         2 . The cooling module of  claim 1 , further comprising:
 a second condenser disposed within the second radiator, the second condenser configured to condense the refrigerant.   
     
     
         3 . The cooling module of  claim 2 , wherein the second radiator comprises:
 a pair of first header tanks, each of the pair of first header tanks including a header and a tank, the pair of first header tanks aligned in a first direction and spaced apart by a predetermined distance in the first direction;   a plurality of first tubes fixed to and extending between the pair of first header tanks, each of the plurality of first tubes forming an electronic component coolant flow channel; and   a plurality of first fins interposed between the plurality of first tubes.   
     
     
         4 . The cooling module of  claim 3 , wherein the first direction is a height direction of the second radiator, and wherein the second condenser is disposed within a lower one of the pair of first header tanks with respect to the height direction of the second radiator. 
     
     
         5 . The cooling module of  claim 4 , further comprising:
 an inlet pipe configured to supply the refrigerant to the second condenser;   a connection pipe configured to supply the refrigerant from the second condenser to the first condenser; and   an outlet pipe configured to discharge the refrigerant from the first condenser.   
     
     
         6 . The cooling module of  claim 5 , further comprising a vapor-liquid separator disposed adjacent one of the second radiator and the first condenser, wherein the connection pipe comprises:
 a first pipe unit extending adjacent the lower one of the pair of first header tanks in a length direction of the second radiator; and   a second pipe unit extending outwardly from the first pipe unit in the height direction of the second radiator and a length direction of the vapor-liquid separator.   
     
     
         7 . The cooling module of  claim 5 , wherein the connection pipe comprises:
 a (1-1)th pipe unit extending from a lower end of the second radiator with respect to the height direction of the second radiator along an outer surface of the second radiator towards an upper end of the second radiator with respect to the height direction of the second radiator; and   a (2-1)th pipe unit extending outwardly from the (1-1)th pipe unit along an upper surface of the second radiator with respect to the height direction of the second radiator towards the first condenser.   
     
     
         8 . The cooling module of  claim 3 , wherein the first condenser comprises:
 a pair of second header tanks aligned in a second direction and spaced apart by a predetermined distance in the second direction;   a plurality of second tubes fixed to and extending between the pair of second header tanks to form a refrigerant flow path; and   a plurality of second fins interposed between the plurality of second tubes.   
     
     
         9 . The cooling module of  claim 8 , further comprising a vapor-liquid separator disposed adjacent the pair of second header tanks. 
     
     
         10 . The cooling module of  claim 9 , further comprising:
 an inlet pipe configured to supply the refrigerant to the second condenser;   a connection pipe configured to supply the refrigerant from the second condenser to the first condenser; and   an outlet pipe configured to discharge the refrigerant from the first condenser, wherein the refrigerant introduced through the inlet pipe is conveyed to a first area of the cooling module in the second condenser and the refrigerant is condensed in the first area of the cooling module, wherein the refrigerant is conveyed from the second condenser to a second area of the cooling module in the first condenser through the connection pipe and the refrigerant is condensed in the second area of the cooling module, wherein the refrigerant is conveyed from the first condenser to a third area of the cooling module in the vapor-liquid separator and the vapor-liquid separator separates a liquid portion of the refrigerant from a vapor portion of the refrigerant, and wherein the refrigerant is conveyed from the vapor-liquid separator to a fourth area of the cooling module in the first condenser and the refrigerant is supercooled in the fourth area of the cooling module.   
     
     
         11 . The cooling module of  claim 1 , wherein the first condenser has a length equal to a length of the second radiator. 
     
     
         12 . The cooling module of  claim 1 , wherein the second radiator has a length greater than a length of the first condenser. 
     
     
         13 . A cooling module comprising:
 a first radiator configured to cool a fuel cell stack;   a second radiator positioned in a first portion of a predetermined area downstream of the first radiator with respect to an air flow direction of the cooling module, the second radiator configured to cool an electronic component; and   a first condenser positioned in a second portion of the predetermined area, the first condenser configured to condense a refrigerant, the first condenser aligned with the second radiator, the second radiator having a length one of greater than and equal to the first condenser.   
     
     
         14 . The cooling module of  claim 13 , further comprising:
 a second condenser disposed within the second radiator, the second condenser configured to condense the refrigerant.   
     
     
         15 . The cooling module of  claim 14 , wherein the second radiator comprises:
 a pair of first header tanks, each of the pair of first header tanks including a header and a tank, the pair of first header tanks aligned and spaced apart by a predetermined distance in a height direction of the second radiator, wherein the second condenser is disposed within a lower one of the pair of first header tanks with respect to the height direction of the second radiator;   a plurality of first tubes fixed to and extending between the pair of first header tanks, each of the plurality of first tubes forming an electronic component coolant flow channel; and   a plurality of first fins interposed between the plurality of first tubes.   
     
     
         16 . The cooling module of  claim 15 , wherein the first condenser comprises:
 a pair of second header tanks aligned and spaced apart by a predetermined distance in a length direction of the second radiator;   a plurality of second tubes fixed to and extending between the pair of second header tanks to form a refrigerant flow path; and   a plurality of second fins interposed between the plurality of second tubes.   
     
     
         17 . The cooling module of  claim 16 , further comprising a vapor-liquid separator disposed intermediate the second radiator and the first condenser. 
     
     
         18 . The cooling module of  claim 17 , further comprising a fan and shroud assembly, the first radiator disposed intermediate the fan and shroud assembly and the predetermined area. 
     
     
         19 . A cooling module comprising:
 a first radiator configured to cool a fuel cell stack;   a second radiator positioned in a first portion of a predetermined area downstream of the first radiator with respect to an air flow direction of the cooling module, the second radiator configured to cool an electronic component;   a first condenser positioned in a second portion of the predetermined area, the first condenser configured to condense a refrigerant, the first condenser aligned with the second radiator, the second radiator having a length one of greater than and equal to the first condenser; and   a second condenser disposed within the second radiator at a lower end of the second radiator with respect to a height direction of the second radiator.   
     
     
         20 . The cooling module of  claim 19 , further comprising a vapor-liquid separator disposed intermediate the second radiator and the first condenser.