Cooling module for vehicle

Abstract

A cooling module for a vehicle may include a main radiator, a sub-radiator, a water-cooled condenser and an air-cooled condenser. The main radiator may be disposed at a front region of an engine room and supplies cooled cooling water to an engine. The sub-radiator may be disposed substantially in parallel with the main radiator and in front of the main radiator, have header tanks at both sides and supply the cooled cooling water to an intercooler or electric components. The water-cooled condenser may be disposed in one of the header tanks and primarily condenses a refrigerant by using the cooling water as a heat exchange medium. The air-cooled condenser may be in fluidic communication with the water-cooled condenser to be introduced with the refrigerant condensed in the water-cooled condenser and may be disposed in front of the sub-radiator to secondarily condense the refrigerant.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]The present application claims priority of Korean Patent Application Number 10-2013-0154967 filed on Dec. 12, 2013, the entire contents of which application are incorporated herein for all purposes by this reference.BACKGROUND OF INVENTION[0002]1. Field of Invention[0003]The present invention relates to a cooling module for a vehicle, and more particularly, to a cooling module for a vehicle in which a condenser condensing a refrigerant is configured to be divided into an air-cooled type and a water-cooled type so as to embed the water-cooled condenser in a radiator and a cooling water flow type of the radiator is changed, thereby improving the entire cooling performance.[0004]2. Description of Related Art[0005]Generally, an air conditioner system of a vehicle maintains an indoor temperature of a vehicle at an appropriate temperature independent of a change in external temperature to be able to maintain a comfortable indoor environment.[000...

AI Technical Summary

Benefits of technology

The present invention provides a cooling module for a vehicle that improves overall cooling performance by embedding a water-cooled condenser in a radiator and using a U-turn flow type cooling water flow. This increases heat radiating amount and reduces the condensing pressure, improving thecondensing performance. The radiator is disposed based on heat capacity, and both a water-cooled and an air-cooled condenser are mounted to simplify the package and improve cooling performance without increasing space availability or manufacturing costs. The cooling performance is further improved by reducing the required oil of the compressor and improving fuel efficiency.

Problems solved by technology

Further, compared to the air-cooled type condenser, the water-cooled condenser has a larger heat capacity of cooling water, such that the water-cooled condenser has a low condensing pressure but reduces a temperature difference between the cooling water and the refrigerant and has a cooling water temperature higher than external air, such that it is difficult for the water-cooled condenser to form sub-cool, thereby reducing the overall cooling performance of the air conditioner system.

To prevent this, the large-capacity cooling fan and radiator are required, which may have a bad effect on a layout in a narrow engine room and the overall weight and costs of the vehicle.

Further, in order to mount the water-cooled condenser in the narrow engine room, the water-cooled condenser needs to be mounted at a rearward region of a fender or a rearward region of the engine room, and therefore ensuring space is difficult, such that a connecting pipe and a disposition layout may be complicated and assembling performance and mounting performance may deteriorate, and thermal damage to the engine room may cause a reduction in performance, thereby leading to an increase in power consumption of the compressor due to an increase in flow resistance of a refrigerant.

Further, it is difficult to secure a space to mount the cooling module between the narrow engine room and a bumper, heat capacities and operation temperatures of the radiator and the air conditioner condenser are differently formed, such that at the time of uniform cooling by the cooling fan and the traveling wind, the problems of the reduction in the cooling performance and the indoor cooling efficiency of the vehicle due to the occurrence of the difference in cooling performance, the reduction in a traveling distance due to the increase in use power of the cooling fan and a water pump, and the like may occur.

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