JP6271226B2 - Cooling module for vehicle - Google Patents

Description

  The present invention relates to a vehicle cooling module including a radiator for cooling cooling water.

  2. Description of the Related Art In general, an air conditioner system for an automobile can maintain a comfortable indoor environment by maintaining the temperature in the automobile room at an appropriate temperature regardless of external temperature changes.

  Such an air conditioner system includes a compressor for compressing refrigerant, a condenser for condensing and liquefying the refrigerant compressed by the compressor, an expansion valve for rapidly expanding the refrigerant condensed and liquefied by the condenser, and The main component includes an evaporator that cools the air blown into the room in which the air conditioner system is installed using the latent heat of vaporization of the refrigerant while evaporating the refrigerant expanded by the expansion valve.

  However, when the conventional air-conditioning system as described above applies a water-cooled condenser during cooling for refrigerant condensation, the condenser outlet refrigerant temperature rises due to heat exchange between the cooling water and the refrigerant in the condenser. As a result, there is a problem that required power increases.

  In addition, the water-cooled condenser has a larger cooling water heat capacity and lower condensing pressure than the air-cooled condenser, but the temperature difference between the cooling water and the refrigerant is small, the cooling water temperature is higher than the outside air, and the sub-cool. Since it is difficult to form, the overall cooling performance of the air conditioner system is disadvantageous.

  In order to prevent this, a large-capacity cooling fan and a radiator are required. However, the layout is disadvantageous inside the narrow engine room, and there are also disadvantages that adversely affect the overall weight and cost of the vehicle.

  In addition, in order to install a water-cooled condenser inside a narrow engine room, it must be installed behind the fender or behind the engine room, making it difficult to secure space, complicating the connecting piping and layout, making assembly and At the same time as the wearability is lowered, heat damage in the engine room may act as a performance hindrance, and there is a problem that the refrigerant flow resistance increases and the power consumption of the compressor increases.

  In the case of an environment-friendly vehicle to which a motor, an electric power component, a stack, etc. are applied, the cooling water cools each component, and then flows into the condenser to increase its temperature. There is also a problem that it is further lowered.

  Therefore, the present invention was invented to solve the above-mentioned problems, and the present invention is a radiator that applies both a water-cooling type using cooling water and an air-cooling type using outside air when the refrigerant is condensed. An object of the present invention is to provide a cooling module for a vehicle that improves performance.

  A vehicle cooling module according to an embodiment of the present invention for achieving such an object is disposed in front of a vehicle, and a radiator that flows into the interior and cools the coolant through heat exchange with outside air, A refrigerant flows in through the refrigerant pipe, and is connected to the first condenser, which is disposed inside the radiator and condenses the refrigerant through heat exchange with the cooling water passing through the radiator, and the first condenser and the refrigerant pipe. The refrigerant | coolant condensed from the said 1st capacitor | condenser flows in, and the 2nd capacitor | condenser which is arrange | positioned ahead of the said radiator and additionally condenses the said refrigerant | coolant through the mutual heat exchange of the refrigerant | coolant which flows in during driving | running | working is included.

  The radiator is disposed at a certain distance from the first header tank in which an inflow port into which cooling water flows is formed, and a second outlet in which an outlet for discharging the cooling water is formed. The header tank, the first header tank and the second header tank are interconnected, spaced apart from each other along the length direction of the first and second header tanks, and a heat radiation pin is mounted therebetween. A plurality of tubes.

  The inflow port and the discharge port may be respectively formed in the first header tank and the second header tank in opposite directions.

  The first capacitor may be mounted inside the second header tank.

  The first capacitor is disposed on an inner side of the second header tank, and is connected to the refrigerant pipe outside the second header tank through a refrigerant inlet into which refrigerant flows, and the second header. A discharge tank that is spaced apart from the inflow tank inside the tank and is connected to the refrigerant pipe outside the second header tank through a refrigerant discharge port through which refrigerant is discharged; and the inflow tank and the discharge tank. Correspondingly, the first and second connection tanks, the first and second connection tanks, which are respectively provided on the other side of the second header tank and interconnected through a connection pipe, are connected to the first and second connection tanks. And a plurality of refrigerant flow tubes connected to each other.

  A plurality of the refrigerant flow tubes are mounted at equal intervals along the length direction of the inflow tank, the discharge tank, and the first and second connection tanks, and are arranged in the length direction of the refrigerant flow tube. A plurality of diaphragms that are alternately arranged at positions crossing each other to change the flow direction of the cooling water flowing through the second header tank may be mounted.

  Each of the refrigerant flow tubes may be provided with a heat dissipation pin in between.

  The second capacitor may be mounted in a longitudinal direction on an upper front portion of the radiator.

  The second condenser may be a pin-tube type heat exchanger.

  The radiator is provided on a refrigerant pipe interconnecting the first capacitor and the second capacitor on one side in the width direction of the vehicle, and a gas state remaining in the condensed refrigerant discharged from the first capacitor A receiver dryer can be installed to separate the refrigerant.

  The first capacitor may be connected in series with the second capacitor through the receiver dryer.

  As described above, according to the cooling module for a vehicle according to the embodiment of the present invention, when the refrigerant is condensed, the water cooling type using cooling water and the air cooling type using outside air are applied together to reduce the condensing pressure. Condensation performance is improved to improve cooling performance, and at the same time, including a radiator that cools cooling water through heat exchange with the outside air and is configured as an integrated type has an effect of improving package performance.

  In addition, by reducing the condensation pressure of the refrigerant and improving the condensation performance, it is possible to reduce the required date of the compressor and to improve the overall fuel consumption of the vehicle.

  In addition, by applying the first condenser that exchanges heat with the cooling water in the header tank disposed in the lower part of the radiator, the cooling water and the refrigerant that have been cooled can be more efficiently heat-exchanged, It has the effect of simplifying the layout inside the narrow engine room, improving space utilization, reducing weight and reducing manufacturing costs.

It is a projection perspective view of the cooling module for vehicles by the embodiment of the present invention. It is a projection front view of the cooling module for vehicles by the embodiment of the present invention. FIG. 2 is an enlarged view of a part of FIG. 1, and a perspective view of a second header tank applied to a vehicle cooling module according to an embodiment of the present invention. 4 is a view illustrating a flow of cooling water and a flow of refrigerant passing through a first condenser in a second header tank of a vehicle cooling module according to an exemplary embodiment of the present invention.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  Prior to this, the embodiment described in the present specification and the configuration shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all the technical ideas of the present invention. It should be understood that there are various equivalents and variations that can be substituted for at the time of this application.

  And throughout the specification, when a part “includes” a component, this may include other components rather than excluding other components, unless there is a statement to the contrary. Means.

  In addition, the terms “... unit”, “... means”, “... part”, “... member”, etc., described in the specification are generic to perform at least one function or operation. Means a unit of composition.

  FIGS. 1 and 2 are a projected perspective view and a front elevation view of a vehicle cooling module according to an embodiment of the present invention, and FIG. 3 is an enlarged view of a portion of FIG. 1, and the vehicle cooling module according to an embodiment of the present invention. 4 is a projected perspective view of a second header tank applied to the module, and FIG. 4 illustrates the flow of cooling water and the flow of refrigerant passing through the first condenser in the second header tank of the vehicle cooling module according to the embodiment of the present invention. FIG.

  As shown in the drawings, the cooling module 100 for a vehicle according to the embodiment of the present invention reduces the condensation pressure by applying a water-cooling method using cooling water and an air-cooling method using outside air when condensing the refrigerant, thereby condensing the refrigerant. The package performance can be improved by including the radiator 110 that enhances the performance to improve the cooling performance and simultaneously cools the cooling water through heat exchange with the outside air.

  To this end, the vehicle cooling module 100 according to the embodiment of the present invention includes a radiator 110, a first capacitor 120, and a second capacitor 130, as shown in FIGS.

  First, the radiator 110 is disposed in front of the vehicle, and the cooling water flows into the interior and cools the cooling water through heat exchange with the outside air.

  Such a radiator 110 may be equipped with a cooling fan (not shown) that blows wind rearward. Such a cooling fan cools the radiator 110 by blowing air to the radiator 110 together with outside air flowing in during traveling.

  Here, the radiator 110 is disposed at a position separated from the first header tank 112 by a certain distance from the first header tank 112 in which an inflow port 111 into which the cooling water flows is formed, and the cooling water is discharged. The second header tank 114 in which the discharge port 113 is formed, the first header tank 112 and the second header tank 114 are interconnected, and constant along the length direction of the first and second header tanks 112 and 114. And a plurality of tubes 116 to which the radiating pins P are mounted.

  Here, the inlet 111 and the outlet 113 may be formed in the first header tank 112 and the second header tank 114, respectively, in opposite directions.

  The radiator 110 configured as described above is a pin-tube type heat exchanger, and the cooling water flowing into the first header tank 112 and flowing into the second header tank 114 through each tube 116 is supplied to each tube 116. It is cooled through mutual heat exchange with the outside air flowing in between.

  At this time, the heat radiating pins P are formed between the tubes 116 and release heat transmitted from the cooling water flowing through the tubes 116 to the outside.

  On the other hand, in the present embodiment, the first and second header tanks 112 and 114 are described as being disposed at the upper and lower portions of the radiator 110, respectively. However, the present invention is not limited to this. The second header tanks 112 and 114 may be disposed on both sides of the radiator 110 with respect to the width direction of the vehicle and connected to each other through the tubes 116.

  In the present embodiment, the refrigerant flows in through the refrigerant pipe 121, and the first condenser 120 is disposed inside the radiator 110 and condenses the refrigerant through heat exchange with the cooling water passing through the radiator 110.

  Here, the first capacitor 120 may be mounted inside the second header tank 114 of the radiator 110 as shown in FIG.

  The first condenser 120 includes an inflow tank 122, an exhaust tank 123, first and second connection tanks 124 and 125, and a plurality of refrigerant flow tubes 127.

  First, the inflow tank 122 is disposed inside the second header tank 114 and is connected to the refrigerant pipe 121 outside the second header tank 114 through a refrigerant inlet 122a into which refrigerant flows.

  The discharge tank 123 is spaced apart from the upper part of the inflow tank 122 inside the second header tank 114, and is connected to the refrigerant pipe 121 outside the second header tank 114 through a refrigerant discharge port 123a through which refrigerant is discharged. Concatenated with

  In the present embodiment, the first and second connection tanks 124 and 125 are respectively provided on the upper and lower sides of the second header tank 114 corresponding to the inflow tank 122 and the discharge tank 123, respectively. Are interconnected through a connecting pipe 126.

  The plurality of refrigerant flow tubes 127 connect the inflow tank 122 and the discharge tank 123 to the first and second connection tanks 124 and 125, respectively.

  Here, each of the refrigerant flow tubes 127 may interconnect the inflow tank 122 with the second connection tank 125 and the discharge tank 123 with the first connection tank 124.

  The plurality of refrigerant flow tubes 127 may be mounted at regular intervals along the length direction of the inflow tank 122, the discharge tank 123, and the first and second connection tanks 124 and 125.

  Each of the refrigerant flow tubes 127 may be provided with a plurality of diaphragms 128 that are alternately arranged at mutually intersecting positions and change the flow direction of the cooling water flowing through the second header tank 114. One diaphragm is extended from the top to the bottom by a refrigerant flow tube, and adjacent diaphragms are extended from the bottom to the top of the refrigerant flow tube.

  As shown in FIG. 4, the diaphragms 128 are alternately arranged at positions intersecting with the upper and lower portions of the refrigerant flow tubes 127, thereby completing the cooling while passing through the tubes 116. When the cooling water flows into the second header tank 114 and flows toward the discharge port 113 of the second header tank 114, the cooling water is caused to flow upward and downward.

  Accordingly, the refrigerant can be more efficiently condensed by increasing the contact area with the cooling water when passing through each refrigerant flow tube 127 of the first condenser 120.

  Each of the refrigerant flow tubes 127 is provided with a heat radiating pin P in between, so that heat transmitted from the refrigerant flowing in the interior is efficiently heated to the cooling water flowing into the second header tank 114. Will be released.

  In the present embodiment, the first capacitor 120 is provided in the second header tank 114 disposed below the first header tank 112. However, the present invention is not limited to this. If the radiator 110 is a cross-flow type in which the header tanks 112 and 114 are arranged on both sides, a condenser is installed in the header tank into which the cooled cooling water flows in the both-side header tanks. obtain.

  In the present embodiment, the diaphragm 128 is described as being alternately arranged at positions intersecting the upper and lower portions of the refrigerant flow tube 127 with reference to the drawings. However, the present invention is not limited to this. However, the position can be changed depending on the arrangement direction of the refrigerant flow tube 127 and the flow direction of the cooling water.

  The second condenser 130 is interconnected through the first condenser 120 and the refrigerant pipe 121, and the refrigerant condensed from the first condenser 120 flows in. The second condenser 130 is disposed in front of the radiator 110 and flows in during traveling. The refrigerant is additionally condensed through mutual heat exchange between the outside air and the refrigerant.

  Here, the second condenser 130 may be a pin-tube type heat exchanger, and may be mounted on the front upper portion of the radiator 110 in the length direction.

  Meanwhile, in the present embodiment, a receiver dryer 140 may be attached to the radiator 110, and the receiver dryer 140 is connected to the first capacitor 120 and the second capacitor 130 on one side in the width direction of the vehicle. It is provided on the pipe 121 and separates the gaseous refrigerant remaining inside the condensed refrigerant discharged from the first capacitor 120.

  Here, the first capacitor 120 may be connected in series with the second capacitor 130 through the receiver dryer 140.

  As a result, the refrigerant discharged from the first condenser 120 is primarily condensed, and the liquid refrigerant obtained by separating the gaseous refrigerant through the receiver dryer 140 flows into the second condenser 130, and the second condenser 130. Re-condenses the secondary refrigerant through heat exchange with the outside air.

  In the present embodiment, the receiver dryer 140 is described as being mounted on one side of the radiator 110 in the width direction of the vehicle. However, the present invention is not limited to this, and the receiver dryer 140 includes the second condenser. One side of 130 may be integrally mounted.

  That is, in the present embodiment, the first condenser 120 is of a water-cooling type in which cooling water flows as a cooling fluid and exchanges heat with the refrigerant flowing into the interior, and the second condenser 130 is externally connected while the vehicle is running. It is an air-cooling type in which the refrigerant exchanges heat with outside air flowing in from the outside.

  Therefore, the 1st capacitor | condenser 120 comprised from a water-cooling type can reduce an internal condensing pressure by cooling a refrigerant | coolant using cooling water with a large heat transfer coefficient compared with external air.

  Then, the second condenser 130 constituted by an air cooling system receives only the liquid refrigerant supplied through the receiver dryer 140 and cools the refrigerant condensed while passing through the first condenser 120 by using the outside air. Therefore, the temperature difference between the refrigerant and the refrigerant can be increased, which is advantageous for forming a subcool, and the amount of heat transfer in the refrigerant pipe 121 is reduced.

  The cooling module 100 for a vehicle according to the embodiment of the present invention configured as described above efficiently uses the advantages that are advantageous for reducing the condensation pressure, which is an advantage of the water cooling type, and forming the subcooling, which is an advantage of the air cooling type. The first and second capacitors 120 and 130 that complement the disadvantages of the system are integrated into the front of the radiator 110 and the second header tank 114 so that the overall size and the space inside the narrow engine room are reduced. Usability can be improved.

  Meanwhile, in describing the vehicle cooling module 100 according to the embodiment of the present invention, the second capacitor 130 is connected to the first capacitor 120 through the receiver dryer 140 according to an embodiment. It is not limited to this.

  That is, the second condenser 130 is directly supplied with the liquid / gas mixed refrigerant discharged from the first condenser 120, condensed through heat exchange with the outside air, then discharged to the receiver dryer 140, and again received by the receiver dryer. It may be realized through a layout change of the refrigerant pipe 121 so that only the liquid refrigerant from which the gaseous refrigerant is separated from 140 is supplied and additionally condensed.

  In addition, the interior of the second capacitor 130 may be separated into at least one partition so that the refrigerant is condensed in order according to the state of the refrigerant, thereby condensing the refrigerant more effectively.

  Therefore, if the vehicle cooling module 100 according to the embodiment of the present invention configured as described above is applied, when the refrigerant is condensed, the water cooling type using the cooling water and the air cooling type using the outside air are applied together. Improving the cooling performance by reducing the pressure and improving the condensation performance of the refrigerant, and at the same time improving the package performance by configuring the integrated configuration including the radiator 110 that cools the cooling water through heat exchange with the outside air Can do.

  Further, by reducing the condensation pressure of the refrigerant and improving the condensation performance, it is possible to reduce the required date of the compressor and improve the overall fuel consumption of the vehicle.

  Further, by applying the first condenser 120 that exchanges heat with the cooling water in the second header tank 114 disposed at the lower part of the radiator 110, the cooling water and the refrigerant that have been cooled are more efficiently exchanged heat. It is possible to simplify the layout inside the narrow engine room, improve the space utilization, and reduce the weight and manufacturing cost.

  As described above, the present invention has been described with reference to the limited embodiments and drawings. However, the present invention is not limited thereto, and the technical idea of the present invention can be determined by those having ordinary knowledge in the technical field to which the present invention belongs. It goes without saying that various modifications and variations can be made within the equivalent scope of the following claims.

100: Cooling module 110: Radiator 111: Inlet 112: First header tank 113: Outlet 114: Second header tank 116: Tube 120: First condenser 121: Refrigerant piping 122: Inflow tank 123: Outlet tank 124: Upper part Connection tank 125: Lower connection tank 126: Connection pipe 127: Refrigerant flow tube 128: Diaphragm 130: Second condenser 140: Receiver dryer P: Radiation pin

Claims (9)

A radiator that is disposed in front of the vehicle and that cools the coolant through heat exchange with outside air,
A first condenser that condenses the refrigerant through heat exchange with cooling water that flows through the refrigerant pipe and is disposed inside the radiator and passes through the radiator;
The refrigerant that is interconnected through the first condenser and the refrigerant pipe and condensed from the first condenser flows in, and the refrigerant is disposed through the mutual heat exchange between the outside air that is disposed in front of the radiator and that flows in while traveling. A second condenser for additional condensation ,
In the radiator,
A refrigerant in a gaseous state remaining inside the condensed refrigerant discharged from the first capacitor is provided on a refrigerant pipe interconnecting the first capacitor and the second capacitor on one side in the width direction of the vehicle. A receiver dryer is installed,
The first capacitor is:
The vehicle cooling module is connected in series with the second capacitor through the receiver dryer . The radiator is
A first header tank formed with an inlet through which cooling water flows;
A second header tank disposed at a certain distance from the first header tank and having a discharge port through which cooling water is discharged;
A plurality of tubes interconnecting the first header tank and the second header tank, spaced apart from each other along the length direction of the first and second header tanks, and having a radiation fin mounted therebetween. When,
The vehicle cooling module according to claim 1, comprising: The inlet and outlet are
The vehicle cooling module according to claim 2, wherein the vehicle cooling module is formed in the first header tank and the second header tank in opposite directions. The first capacitor is
The vehicle cooling module according to claim 2, wherein the vehicle cooling module is mounted inside the second header tank. The first capacitor is:
An inflow tank disposed on one side of the second header tank and connected to the refrigerant pipe outside the second header tank through a refrigerant inlet into which the refrigerant flows;
A discharge tank that is disposed apart from the inflow tank inside the second header tank and is connected to the refrigerant pipe outside the second header tank through a refrigerant discharge port through which the refrigerant is discharged;
First and second connection tanks respectively provided on the other side inside the second header tank corresponding to the inflow tank and the discharge tank and interconnected through a connection pipe;
A plurality of refrigerant flow tubes respectively connecting the inflow tank and the discharge tank with the first and second connection tanks;
The vehicle cooling module according to claim 4, comprising: A plurality of diaphragms are installed in the plurality of refrigerant flow tubes,
The plurality of diaphragms are
Along the longitudinal direction of the inflow tank, the discharge tank, and the first and second connection tanks are mounted at equal intervals,
6. The vehicle according to claim 5, wherein the flow direction of the cooling water flowing in the second header tank is changed alternately at positions intersecting each other along the length direction of the refrigerant flow tube. Cooling module. The cooling module for a vehicle according to claim 5, wherein a radiation fin is provided between the refrigerant flow tubes. The second capacitor is
The vehicle cooling module according to claim 2, wherein the vehicle cooling module is attached to a front upper portion of the radiator in a length direction. The second capacitor is
The vehicle cooling module according to claim 1, comprising a fin -tube type heat exchanger having a plurality of tubes to which heat radiation fins are mounted .