Cooling system for vehicle

Abstract

A cooling system for a vehicle that system includes a radiator disposed in a front of the vehicle, and introduced with cooling water thereinto to cool the cooling water through heat exchange with exterior air;. In addition, a first condenser is disposed at a first side of the radiator in a width direction of the vehicle and connected with the radiator via a cooling water pipe to be introduced with the cooling water, and introduced with refrigerant via a refrigerant pipe to condense the refrigerant through heat exchange with the cooling water therein. A second condenser is interconnected with the first condenser via the refrigerant pipe to be introduced with the refrigerant condensed by the first condenser, and disposed in a front of the radiator to additionally condense the refrigerant through mutual heat exchange of the exterior air introduced while driving the vehicle and the refrigerant.

What is claimed is: 
     
         1 . A cooling system for a vehicle, comprising:
 a radiator disposed in a front of the vehicle, and introduced with cooling water thereinto to cool the cooling water through heat exchange with exterior air;   a first condenser disposed at a first side of the radiator in a width direction of the vehicle and connected with the radiator via a cooling water pipe to be introduced with the cooling water, and introduced with refrigerant via a refrigerant pipe to condense the refrigerant through heat exchange with the cooling water therein; and   a second condenser interconnected with the first condenser via the refrigerant pipe to be introduced with the refrigerant condensed by the first condenser, and disposed in a front of the radiator to condense the refrigerant through mutual heat exchange of the exterior air introduced while driving and the refrigerant.   
     
     
         2 . The cooling system for a vehicle, wherein the first condenser includes:
 a housing that includes a cooling water inlet and a cooling water outlet on a first side and a second side of one surface, respectively to be connected with the radiator via the cooling water pipe;   introduction and discharge tanks respectively mounted at a first end of the housing;   connection tanks respectively mounted on a second end of the housing to correspond to the introduction tank and the discharge tank to be interconnected therein; and   a plurality of refrigerant flow tubes that interconnect the introduction tank and the discharge tank with the connection tanks.   
     
     
         3 . The cooling system for a vehicle of  claim 2 , wherein the respective refrigerant flow tubes are mounted to be spaced apart at regular intervals in the longitudinal directions of the introduction tank, the discharge tank, and the first and second connection tanks. 
     
     
         4 . The cooling system for a vehicle of  claim 2 , wherein the respective refrigerant flow tubes are alternately disposed at crossed positions in the longitudinal direction of the refrigerant flow tube, and a plurality of diaphragms that change a flow direction of the cooling water that flows within the housing are mounted on the respective refrigerant flow tubes. 
     
     
         5 . The cooling system for a vehicle of  claim 2 , wherein heat dissipating pins are provided among the respective refrigerant flow tubes. 
     
     
         6 . The cooling system for a vehicle of  claim 2 , wherein the first condenser is interconnected with the discharge tank and the second condenser via the refrigerant pipe at a first side of the housing and is mounted with a receiver dryer that separates gas-state refrigerant that remains in the condensed refrigerant discharged from the discharge tank. 
     
     
         7 . The cooling system for a vehicle of  claim 6 , wherein the first condenser is connected with the second condenser in series via the receiver dryer. 
     
     
         8 . The cooling system for a vehicle of  claim 1 , wherein the second condenser is mounted on an upper front portion of the radiator in the longitudinal direction of the radiator. 
     
     
         9 . The cooling system for a vehicle of  claim 1 , wherein the second condenser is configured by a pin-tube type heat exchanger. 
     
     
         10 . The cooling system for a vehicle of  claim 2 , wherein the radiator includes:
 a first header tank with an inlet through which the cooling water is introduced;   a second header tank disposed to be spaced apart from the first header tank at a regular interval, wherein the second header tank includes the outlet through which the cooling water is discharged to discharge the cooling water cooled to the housing via the cooling water pipe; and   a plurality of tubes that interconnect the first header tank and the second header tank, spaced apart at a regular interval in the longitudinal directions of the first and second header tanks, and having the heat dissipating pins mounted therein.   
     
     
         11 . The cooling system for a vehicle of  claim 10 , wherein the inlet and the outlet are formed in the first header tank and the second header tank, respectively in opposite directions to each other. 
     
     
         12 . A method of cooling for a vehicle, comprising:
 introducing cooling water into a radiator deposed in a front of the vehicle to cool the cooling water through heat exchange with exterior air;   introducing refrigerant via a refrigerant pipe to a first condenser disposed at a first side of the radiator in a width direction of the vehicle and connected with the radiator via a cooling water pipe to condense the refrigerant through heat exchange with the cooling water therein; and   introducing the refrigerant condensed by the first condenser to a second condenser interconnected with the first condense via the refrigerant pipe and disposed in a front of the radiator to condense the refrigerant through mutual heat exchange of the exterior air introduced while driving and the refrigerant.   
     
     
         13 . The method of  claim 12 , wherein the first condenser includes:
 a housing that includes a cooling water inlet and a cooling water outlet on a first side and a second side of one surface, respectively to be connected with the radiator via the cooling water pipe;   introduction and discharge tanks respectively mounted at a first end of the housing;   connection tanks respectively mounted on a second end of the housing to correspond to the introduction tank and the discharge tank to be interconnected therein; and   a plurality of refrigerant flow tubes that interconnect the introduction tank and the discharge tank with the connection tanks.   
     
     
         14 . The method of  claim 13 , wherein the respective refrigerant flow tubes are mounted to be spaced apart at regular intervals in the longitudinal directions of the introduction tank, the discharge tank, and the first and second connection tanks. 
     
     
         15 . The method of  claim 13 , wherein the respective refrigerant flow tubes are alternately disposed at crossed positions in the longitudinal direction of the refrigerant flow tube, and a plurality of diaphragms that change a flow direction of the cooling water that flows within the housing are mounted on the respective refrigerant flow tubes. 
     
     
         16 . The method of  claim 13 , wherein heat dissipating pins are provided among the respective refrigerant flow tubes. 
     
     
         17 . The method of  claim 13 , wherein the first condenser is interconnected with the discharge tank and the second condenser via the refrigerant pipe at a first side of the housing and is mounted with a receiver dryer that separates gas-state refrigerant that remains in the condensed refrigerant discharged from the discharge tank. 
     
     
         18 . The method of  claim 17 , wherein the first condenser is connected with the second condenser in series via the receiver dryer. 
     
     
         19 . The method of  claim 12 , wherein the second condenser is mounted on an upper front portion of the radiator in the longitudinal direction of the radiator. 
     
     
         20 . The method of  claim 12 , wherein the second condenser is configured by a pin-tube type heat exchanger.