WO2016163771A1 - Vehicle air-conditioning system - Google Patents

Abstract

The present invention relates to a vehicle air-conditioning system and, more specifically, to a vehicle air-conditioning system having an evaporator provided at a cool air passage inside an air conditioner case and having a condenser provided at a hot air passage, the system being capable of simplifying the distribution, delivery and management of the air-conditioning system since air conditioner components for improving heating and cooling performance are integrated by being fixedly supported to the side of the air conditioner case through a supporting means, thereby simplifying a vehicle assembly process so as to improve productivity and reducing the length of a refrigerant circulation line so as to reduce the weight.

Description

Vehicle air conditioning system

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle air conditioning system, and more particularly, to an air conditioning system in which an evaporator is installed in a cold air passage in an air conditioning case and a condenser is installed in a hot air passage, To a vehicle air conditioning system which is fixedly supported on an air conditioning case side and integrated therewith.

1, a general automotive air conditioning system generally includes a compressor 1 for compressing and sending a refrigerant, a condenser 2 for condensing high-pressure refrigerant sent from the compressor 1, For example, an expansion valve 3 for condensing the refrigerant condensed and liquefied in the condenser 2 and a low-pressure liquid refrigerant throttled by the expansion valve 3 for heat exchange with the air blown toward the interior of the vehicle And an evaporator (4) for cooling the air discharged into the room by the endothermic effect of the latent heat of evaporation of the refrigerant by evaporating the refrigerant. The refrigerant circulation process is performed by the following refrigerant circulation process .

When the cooling switch (not shown) of the air conditioning system is turned on, the compressor 1 sucks and compresses the low-temperature and low-pressure gaseous refrigerant while being driven by the power of the engine or the motor, And the condenser 2 exchanges the gaseous refrigerant with the outside air to condense it into a high-temperature high-pressure liquid. The liquid refrigerant discharged from the condenser 2 in a high-temperature and high-pressure state rapidly expands due to the throttling action of the expansion valve 3 and is sent to the evaporator 4 in a low-temperature low-pressure humidified state, The blower (not shown) exchanges the refrigerant with the air blowing into the vehicle interior. The refrigerant evaporates in the evaporator 4 and is discharged to the low-temperature and low-pressure gas state. The refrigerant is again sucked into the compressor 1 to recycle the refrigeration cycle as described above.

The evaporator is installed inside the air conditioner case installed in the vehicle interior to serve as a cooling unit. That is, air blown by a blower (not shown) flows through the evaporator 4, The refrigerant is cooled by the latent heat of evaporation of the refrigerant and is discharged to the inside of the vehicle in a cooled state.

The interior of the vehicle interior is heated using an electric heater (not shown) installed inside the air conditioning case or using a heater core (not shown) circulating the engine cooling water or installed inside the air conditioning case .

On the other hand, the condenser 2 is installed on the front side of the vehicle and radiates heat while exchanging heat with air.

2. Description of the Related Art In recent years, an air conditioning system, that is, a heat pump system that performs cooling and heating using only a refrigeration cycle has been developed. As shown in FIG. 2, The evaporator 4 for cooling is installed in the cold air passage 11 and the condenser 2 for heating is installed in the hot air passage 12. The hot air passage 12 is divided into left and right compartments, to be.

At this time, an air outlet 15 for supplying air to the inside of the car and an air outlet 16 for discharging air to the outside of the car are formed at the outlet side of the air conditioning case 10.

The blower 20 and the hot air passage 12 are respectively provided with respective blowers 20 on the inlet side of the cold air passage 11 and the hot air passage 12, respectively.

Since the cool air passage 11 and the warm air passage 12 are arranged in the left and right (vehicle width direction), the two blowers 20 are also arranged to the left and right.

Therefore, in the cooling mode, the cold air cooled while passing through the evaporator 4 of the cold air passage 11 is discharged to the vehicle compartment through the air outlet 15 to be cooled. At this time, 2, the hot air heated is discharged through the air outlet 16 to the outside of the car.

In the heating mode, hot air heated while passing through the condenser 2 of the hot air passage 12 is discharged to the inside of the vehicle through the air outlet 15 to be heated. At this time, the evaporator 4 of the cold air passage 11 And the cooled cold air is discharged through the air outlet 16 to the outside of the car.

In the dehumidification mode, the dehumidification is performed at the same time as the cooling operation by supplying the dehydrated cold air passing through the evaporator 4 to the inside of the vehicle by operating as a cooling mode.

The conventional air conditioning system is characterized in that the evaporator 4 and the condenser 2 are disposed inside the air conditioning case 10 and the compressor 1 and the expansion valve 3 are provided outside the air conditioning case 10, Are connected to each other through a refrigerant circulation line (refrigerant piping).

In addition to the compressor 1, the condenser 2, the expansion valve 3 and the evaporator 4, various air conditioner components (not shown) are connected to the refrigerant circulation line to improve the performance of the air conditioning system.

However, in the related art, since the compressor (1) and the expansion valve (3) as well as various air conditioner parts are installed in a specific place (vehicle engine room) outside the air conditioning case (10), the length of the refrigerant circulation line There is a problem that the weight increases.

Also, the air conditioning system is separately installed outside the air conditioning case 10, which makes the air conditioning system more complex in terms of the distribution and delivery of the air conditioning system, and also complicates the assembling process of the vehicle.

In order to solve the above problems, an object of the present invention is to provide an air conditioning system in which an evaporator is installed in a cold air passage in an air conditioner case and a condenser is installed in a warm air passage, , It is possible to simplify the logistics, delivery and management of the air conditioning system, thereby simplifying the assembling process of the automobile, thereby improving the productivity, and reducing the length of the refrigerant circulation line to reduce the weight. .

According to an aspect of the present invention, there is provided a vehicular air conditioning system including a compressor, a condenser, an expansion device, an evaporator, and other air conditioner parts connected to each other through a refrigerant circulation line, wherein a cold air passage and a hot air passage are defined, The air conditioner case is provided with the evaporator, the condenser is installed in the hot air passage, and the supporting means is installed in the air conditioner case and fixes and supports the air conditioner component to the air conditioner case.

The present invention is characterized in that in an air conditioning system in which an evaporator is provided in a cold air passage in an air conditioning case and a condenser is installed in a warm air passage, the air conditioner component is fixedly supported and supported on the air conditioning case side through a supporting means, The management is simplified, and the assembling process of the automobile is simplified, so that the productivity can be improved.

Also, since the air conditioner part is integrated with the air conditioning case through the support means, the length of the refrigerant circulation line can be reduced to reduce the weight.

In addition, by assembling the air conditioner component into the air conditioner case by modularizing the air conditioner component into one with the refrigerant circulation line, the assembly can be simplified.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a refrigeration cycle of a general automotive air conditioning system;

2 is a schematic view showing a conventional air conditioning system for a vehicle,

FIG. 3 is a schematic view showing a vehicle air conditioning system according to the present invention,

FIG. 4 is a schematic view showing a case where a coolant-coolant heat exchanger is additionally provided in FIG. 3;

5 is a perspective view showing a vehicle air conditioning system according to the present invention,

6 is a partial perspective view showing a case in which a supporting means is provided on the outer surface of an air conditioning case in a vehicle air conditioning system according to the present invention,

7 is a partial perspective view showing a case in which a supporting means is provided on the inner side of an air conditioning case in the air conditioning system for a vehicle according to the present invention,

8 is a side view showing a vehicle air conditioning system according to the present invention,

9 is a cross-sectional view showing a blower in the air conditioning system for a vehicle according to the present invention,

10 is a perspective view showing another embodiment of a vehicle air conditioning system according to the present invention,

11 is a perspective view showing a state in which the air inlet duct is separated in FIG. 10,

FIG. 12 is a perspective view showing a case where the receiver-dryer integrated condenser and the supporting means are separated from each other in FIG.

13 is a perspective view showing a case where a chiller is installed on the outer surface of the air conditioning case in the vehicle air conditioning system of Fig.

14 is a perspective view showing a case where the chiller is separated in Fig. 13,

Fig. 15 is a perspective view showing a case where a water-cooled condenser is installed on the outer surface of the air conditioning case in the automotive air conditioning system of Fig. 10;

Fig. 16 is a sectional view showing a case in which the water-cooled condenser is fixed to the outer surface of the air conditioning case by the supporting means in Fig. 15;

Fig. 17 is a sectional view showing the case where the water-cooled condenser is installed on the inner surface of the air conditioner case in Fig. 15,

FIG. 18 is a sectional view showing a blower in the air conditioning system for a vehicle of FIG. 10,

Fig. 19 is a sectional view showing the automotive air conditioning system of Fig. 10; Fig.

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

As shown in the figure, the air conditioning system for a vehicle according to the present invention includes a compressor 100, a condenser 101, an expansion unit 103, an evaporator 104, and a refrigerant circulation line P, (104), and performs the heating through the condenser (101).

First, the compressor 100 receives the power from a power supply source (such as an engine or a motor), sucks and compresses the low-temperature low-pressure gaseous refrigerant discharged from the evaporator 104, and discharges the gaseous refrigerant at a high temperature and a high pressure.

The condenser 101 exchanges heat between the gaseous refrigerant discharged from the compressor 100 and flowing through the interior of the condenser 101 and the air passing through the condenser 101 as an air-cooled condenser, The refrigerant is condensed, and the air is heated and converted into a warm air.

The condenser 101 may have a structure in which a refrigerant purifying line R is formed in a zigzag shape and then a radiating fin (not shown) is installed or a plurality of tubes (not shown) are connected between a pair of header tanks And a radiating fin is provided between each tube.

Accordingly, the gaseous refrigerant of high temperature and high pressure discharged from the compressor 100 flows along the zigzag type refrigerant circulation line or a plurality of tubes while being heat-exchanged with the air to be condensed. At this time, the air passing through the condenser 101 is heated It will be changed into a hot wind.

The expansion means 103 rapidly expands the liquid refrigerant flowing out of the condenser 101 by the throttling action and sends it to the evaporator 104 in a low-temperature and low-pressure humidified state.

As the expansion means 103, an expansion valve or an orifice structure may be used.

The evaporator 104 evaporates the low-pressure liquid refrigerant discharged from the expansion means 103 by exchanging heat with the air in the air conditioning case 110, thereby cooling the air by an endothermic effect due to the latent heat of evaporation of the refrigerant.

Subsequently, the low-temperature low-pressure gaseous refrigerant evaporated in the evaporator 104 is again sucked into the compressor 100 and recycled as described above.

In the refrigerant circulation process as described above, air in the interior of the vehicle is circulated through the evaporator 104 while air blown from the blower 130 flows into the air conditioning case 110 and passes through the evaporator 104 The refrigerant is cooled by the latent heat of evaporation of the liquid refrigerant and is discharged to the inside of the vehicle in a cold state,

The air in the interior of the vehicle is heated by the heat of the high temperature, high pressure gaseous refrigerant circulating in the condenser 101 while passing through the air conditioner case 110 and passing through the condenser 101 And is discharged into the vehicle interior in a hot state.

The air conditioner case 110 has a cold air passage 111 and a hot air passage 112 formed therein.

That is, the cold air passage 111 and the hot air passage 112 are defined by the partition wall 113 partitioning the inside of the air conditioner case 110 between the inlet and the outlet of the air conditioner case 110.

The partition wall 113 divides the internal passage of the air conditioner case 110 upward and downward so that the air passage 110 and the warm air passage 112 are located inside the air conditioner case 110, , And are layered and formed.

That is, the cold air passage 111 is disposed at an upper portion with respect to the partition wall 113, and the hot air passage 112 is disposed at a lower portion with respect to the partition wall 113.

The evaporator 104 is installed in the cold air passage 111 and the condenser 101 is installed in the hot air passage 112. The refrigerant passage 111 and the hot air passage 112, Due to the arrangement structure, the evaporator 104 and the condenser 101 are also arranged upward and downward.

In other words, the evaporator 104 and the condenser 101 are arranged in a direction perpendicular to the axial direction of the first and second blowers 130a and 130b motors 133 and 137 to be described later.

The evaporator 104 installed in the cold air passage 111 and the condenser 101 installed in the hot air passage 112 are horizontally tilted so as to be inclined with respect to the partition wall 113 at a predetermined angle. At this time, the installation angle of the evaporator 104 and the condenser 101 may be changed according to the purpose.

On the other hand, as in another embodiment of the air conditioning system described later, it is also possible to constitute the hot-air passage and the condenser on the upper part with respect to the partition wall 113 and constitute the cold air passage and the evaporator on the lower part.

8, a bypass passage 114 for communicating the hot air passage 112 with the cold air passage 111 is formed in the partition wall 113, and the bypass passage 114 is provided with the bypass passage 114, A bypass door 115 for opening and closing the pass passage 114 is provided.

At this time, depending on the position of the evaporator 104 and the condenser 101 and the position of the bypass passage 114, a part of the hot air in the hot air passage 112 may be bypassed to the cold air passage 111 side, A part of the cold air in the cold air passage 111 may be bypassed to the hot air passage 112 side.

8, a part of the hot air passing through the condenser 101 in the hot air passage 112 is bypassed to the cold air passage 111 side,

19, a part of the cold air passing through the evaporator 104 in the cold air passage 111 is bypassed to the hot air passage 112 side.

Meanwhile, the bypass door 115 closes the bypass passage 114 in the cooling mode and selectively opens and closes the bypass passage 114 in the heating mode.

Therefore, when the bypass door 115 closes the bypass passage 114 and is in the cooling mode, cold air cooled by the evaporator 104 is supplied to the passenger compartment while flowing through the cold air passage 111, And in the heating mode, hot air heated by the condenser 101 is supplied to the inside of the vehicle while flowing through the hot air passage 112 to perform heating.

In the heating mode, when the bypass door 115 opens the bypass passage 114, a part of the hot air heated by the condenser 101 while flowing through the hot air passage 112 flows into the bypass passage 114, And is supplied to the evaporator 104 side by being bypassed to the cool air passage 111 side through the passage 114 to increase the amount of air flowing into the evaporator 104. The temperature of the air flowing into the evaporator 104 So that the evaporator 104 smoothly absorbs heat. As a result, the temperature and the pressure of the refrigerant in the system are increased, and the temperature of the air discharged into the passenger compartment is increased, so that the heating performance can be improved.

In addition, by supplying a part of the hot air heated by the condenser 101 to the evaporator 104 side, the evaporation of the evaporator 104 can be prevented.

The bypass passage 114 and the bypass door 115 may be formed as one as shown in Figs. 8 and 19, or may be formed as shown in Fig.

The condenser 101 is installed on the upstream side of the bypass passage 114 in the air flow direction within the hot air passage 112. Therefore, hot air heated while passing through the condenser 101 can be supplied to the evaporator 104 through the bypass passage 114.

On the other hand, the evaporator 104 is installed on the downstream side of the bypass passage 114 in the air flow direction in the cold air passage 111. Therefore, hot air bypassing through the bypass passage 114 passes through the evaporator 104.

19, the condenser 101 is installed on the upper part of the partition wall 113 and the evaporator 104 is installed on the lower part of the partition wall 113. The condenser 101 is installed downstream of the bypass passage 114 , The evaporator (104) is installed on the upstream side of the bypass passage (114).

The cool air passage 111 of the air conditioning case 110 is provided with a cool air discharge port 111a for discharging the cold air having passed through the evaporator 104 to the inside of the car and a cold air discharge port 111b for discharging to the outside of the car, A cold air mode door 120 for opening and closing the cold air discharge port 111a and the cold air discharge port 111b is provided,

The hot air passage 112 of the air conditioning case 110 is provided with a hot air discharge port 112a for discharging warm air having passed through the condenser 101 to the inside of the car and a hot air discharge port 112b for discharging to the outside of the car, And a warm air mode door 121 for opening and closing the discharge port 112a and the hot air discharge port 112b.

The cold air discharge port 111b and the cold air mode door 120 are provided on the downstream side of the evaporator 104 in the cold air passage 111. The hot air outlet 112b and the hot air mode door 121 communicate with the hot air And is provided on the downstream side of the condenser 101 in the passage 112.

Air discharged through the cold air discharge port 111b and the hot air discharge port 112b is discharged to the outside of the vehicle through the engine room.

Meanwhile, the cold air mode door 120 and the hot air mode door 121 are composed of a dome-shaped door or a flat door.

8, the cold air discharge port 111a and the hot air discharge port 112b are opened so that the air flowing through the cold air passage 111 passes through the evaporator 104, The air flowing through the hot air passage 112 is heated while passing through the condenser 101 and then discharged through the hot air outlet 112b to the outside of the car do.

In the heating mode, the hot air discharge port 112a and the cold air discharge port 111b are opened so that the air flowing through the hot air passage 112 is heated while passing through the condenser 101 and then discharged through the hot air discharge port 112a, The air flowing through the cold air passage 111 is cooled while passing through the evaporator 104 and then discharged to the outside through the cold air outlet 111b.

An air blowing device 130 for blowing air to the cold air passage 111 and the hot air passage 112 is installed at the inlet side of the air conditioning case 110.

The air blowing device 130 includes a first blower 130a connected to a discharge port 134 at the inlet side of the cold air passage 111 of the air conditioning case 110 to blow air toward the cold air passage 111, And a second blower 130b connected to a discharge port 138 at the inlet side of the warm air passage 112 of the case 110 to blow air to the warm air passage 112 side.

The first blower 130a and the second blower 130b are disposed to face each other in the width direction of the vehicle.

The first blower 130a includes a scroll case 131 having the discharge port 134 to be connected to an inlet side of the cold air passage 111 of the air conditioning case 110, An inlet ring 131a formed at one side surface of the scroll case 131 and through which the inside air and the outside air are introduced and an inlet ring 131b installed at the other side of the scroll case 131, And a motor 133 for rotating the blowing fan 132.

The inlet ring 131a is formed on one side of the scroll case 131 to which the intake duct 140 is coupled.

The second blower 130b includes a scroll case 135 having the discharge port 138 to be connected to an inlet side of the warm air passage 112 of the air conditioning case 110, An inlet ring 135a formed at one side of the scroll case 135 to allow the inside and outside air to flow therein and an inlet ring 135b installed at the other side of the scroll case 135, And a motor 137 for rotating the blowing fan 136.

The inlet ring 135a is formed on one side of the scroll case 135 to which the intake duct 140 is coupled.

The inlet ring 131a of the first blower 130a and the inlet ring 135a of the second blower 130b are formed to face each other.

The first blower 130a and the second blower 130b are installed such that the discharge port 134 of the first blower 130a and the discharge port 138 of the second blower 130b are staggered from each other.

That is, the scroll case 131 of the first blower 130a and the scroll case 135 of the second blower 130b are disposed opposite to each other in the scroll direction, and the discharge port 134 of the first blower 130a And the discharge port 138 of the second blower 130b is connected to the warm air passage 112. [

The first and second blowers 130a and 130b are disposed between the first and second blowers 130a and 130b so as to supply the inside and outside air to the first and second blowers 130a and 130b, And an intake duct 140 connected to the intake duct 140 to communicate with each other.

That is, one end of the intake duct 140 is provided between the first blower 130a and the second blower 130b, and the first and second blowers 130a and 130b are connected to the one intake duct 140) are commonly used.

By providing the intake duct 140 between the first blower 130a and the second blower 130b in the system using the two blowers 130a and 130b that operate individually, It is possible to maximize the space efficiency, thereby reducing the size and cost of the system.

The intake duct 140 includes an outside air inlet 141 for introducing outside air, an inside air inlet opening 142 for introducing the inside air, and an air inlet opening 142 provided between the inside air inlet 142 and outside air inlet 141, External switching door 147 for selectively opening the inside and outside air inflow ports 141 and 142 to the first blower 130a and the inside and outside air inflow ports 141 and 142 for the second blower 130b And a second inside / outside switching door 148 which opens to the outside.

As shown in the drawing, the outside air inlet 141 is formed on the upper portion of the intake duct 140, and the inside air inlet 142 is formed on the lower portion of the intake duct 140, but the position is changeable.

The first indoor / outdoor switching door 147 is provided on the upstream side of the inlet ring 131a of the first blower 130a between the outdoor air inlet 141 and the indoor air inlet 142, And selectively opens and closes a passage for communicating the ring 131a with the outside air inlet 141 and a passage for communicating the inlet ring 131a and the inside air inlet 142. [

The second inside / outside switching door 148 is provided on the upstream side of the inlet ring 135a of the second blower 130b between the outside air inlet 141 and the inside air inlet 142, 135a and the outside air inlet 141 and a passage for communicating the inlet ring 135a and the inside air inlet 142. [

The first internal / external switching door 147 and the second internal / external switching door 148 are also composed of a dome-shaped door.

As described above, one intake duct 140 is installed between the first and second blowers 130a and 130b, and two internal / external switching doors 147 and 148 are installed in the intake duct 140, It is possible to selectively supply the first and second blowers 130a and 130b with the inside and outside air flowing into the inside and outside air inflow ports 141 and 142 of the intake duct 140.

The outside air inlet 141 of the intake duct 140 communicates with the outside of the vehicle and the inside air inlet 142 of the intake duct 140 communicates with the inside of the vehicle.

At this time, the air conditioning case 110 is provided with an inflow inlet duct 142a for connecting the inflow inlet 142 of the intake duct 140 and the vehicle interior.

That is, the air inflow duct 142a is provided on the outer surface of the air conditioning case 110 to communicate with the air inlet 142 of the intake duct 140 and the interior of the vehicle. At this time, The inlet of the inlet duct 142a communicates with the interior of the vehicle through the dash panel 450 partitioning the interior of the vehicle and the engine room.

The air inflow duct 142a may be disposed below the air conditioning case 110 as shown in FIG. 5, or may be disposed on a side surface of the air conditioning case 110 as shown in FIG.

Filters 141a and 142a are provided in the outside air inlet 141 and the inside air inlet 142 to remove impurities contained in the air flowing into the outside air inlet 141 and the inside air inlet 142 .

Figs. 10 to 19 are views showing another embodiment of the air conditioning system for a vehicle according to the present invention, and only the parts different from those described above will be described.

19, the hot air passage 112 and the condenser 101 are installed above the partition wall 113 in the air conditioning case 110, and the cold air passage 111 and the evaporator 104 are installed at the lower portion It is an installed configuration.

At this time, the outlet 112a of the hot air passage 112 and the outlet 111a of the cold air passage 111 join together at the outlet 110b of the air conditioner case 110.

A distribution duct 400 is installed at the outlet 110b of the air conditioning case 110 to distribute cold air and hot air discharged from the air conditioning case 110 to specific positions in the car according to the air discharge mode.

The distribution duct 400 includes an air inlet 410 connected to the outlet 110b of the air conditioner case 110 and a plurality of air distributors 410 for distributing the air introduced into the air inlet 410 to specific positions An air outlet 420 and a mode door 430 for controlling the opening of the plurality of air outlets 420.

The distribution duct 400 is disposed on the vehicle interior side, and the air conditioning case 110 is disposed on the vehicle engine room side, based on the dash panel 450 partitioning the vehicle engine room and the vehicle interior.

The inflow inlet duct 142a connects the inflow inlet 142 of the intake duct 140 to the vehicle interior and supplies the inflow air to the inflow inlet 142 of the vehicle interior. As shown in FIGS. 10 and 18, is installed on the side surface of the air conditioner case 110.

That is, the inflow inlet 142 formed in the lower portion of the intake duct 140 inflows the inflow from the passenger compartment through the inflow inlet duct 142a provided on the side of the air conditioning case 110.

An air blowing device 130 for blowing air to the cold air passage 111 and the hot air passage 112 is installed on the inlet 110a side of the air conditioner case 110.

The upper and lower positions of the cold air passage 111 and the hot air passage 112 and the position of the inflow air inlet duct 142a are changed and the outer shape of the air conditioner case 110 is changed as the distribution duct 400 is installed The air conditioner case 110 is the same as the air conditioner case 110 described above, and a detailed description thereof will be omitted.

3 and 4, in addition to the compressor 100, the condenser 101, the expansion means 103, and the evaporator 104, the refrigerant circulation line R is provided with an air conditioner component 106 are connected.

3, the air conditioner part 106 includes a receiver dryer 102, an accumulator 105, and a control valve (not shown). In the case of FIG. 4, the refrigerant- And a heat exchanger is additionally installed.

The receiver dryer 102 separates and stores the gaseous refrigerant and the liquid refrigerant from the refrigerant circulating through the refrigerant circulation line R, and discharges the liquid refrigerant.

The receiver dryer 102 may be connected to one side of the condenser 101 or may be installed in a refrigerant circulation line R between the condenser 101 and the expansion means 103.

That is, the receiver dryer 102 may be configured separately from the condenser 101 as shown in FIG. 6, or may be constructed as a receiver-dryer integrated condenser 101 integrally connected to one side of the condenser 101 as shown in FIG. It can be.

The condensing region and the subcooling region of the condenser 101 can be adjusted according to the position of the receiver drier 102 in the refrigerant circulation line R. [

That is, when the single condenser 101 is installed, the single condenser 101 is divided into two heat exchange areas and the receiver dryer 102 is connected to the refrigerant circulation line R connecting the two heat exchange areas. In this case, a region on the upstream side of the receiver dryer 102 of the two heat exchange regions is set as a condensation region, and a region on the downstream side of the receiver dryer 102 is set as a supercooled region.

When the two condensers 101 are installed, the receiver dryer 102 is connected to the refrigerant circulation line R connecting the two condensers 101. In this case, the condenser on the upstream side of the receiver dryer 102 of the two condensers 101 is set as a condensation region as a whole, and the condenser on the downstream side of the receiver dryer 102 is set as a subcooled region as a whole.

Since the region of the condenser 101 downstream of the receiver dryer 102 can be utilized as the subcooling region according to the position of the receiver dryer 102, the temperature of the refrigerant can be further lowered, The temperature of the refrigerant flowing into the compressor 100 is also lowered, thereby preventing the temperature of the refrigerant discharged from the compressor 100 from rising, thereby improving the durability and stability of the air conditioning system.

The accumulator 105 separates the gaseous refrigerant and the liquid refrigerant from the refrigerant circulating through the refrigerant circulation line R, and stores the gaseous refrigerant.

The accumulator 105 is installed in an inlet side refrigerant circulation line R of the compressor 100 to separate the gaseous refrigerant and the liquid refrigerant from the refrigerant discharged from the evaporator 104 to store the liquid refrigerant, To the compressor 100 side.

As described above, the accumulator 105 supplies only the gaseous refrigerant to the compressor 100, blocks the supply of the liquid-phase refrigerant, prevents the compressor 100 from being damaged, and stores the liquid-phase refrigerant. It is possible to prevent the cooling and heating performance deterioration due to the insufficient refrigerant amount.

The control valve controls the flow rate or the flow direction of the refrigerant circulating through the refrigerant circulation line R (not shown). That is, the refrigerant flow direction is adjusted or the refrigerant flow rate is adjusted according to the operation mode of the air conditioning system.

The refrigerant-cooling water heat exchanger includes a water-cooled condenser 220 connected to the refrigerant circulation line R between the compressor 100 and the condenser 101 for exchanging heat between the refrigerant discharged from the compressor 100 and the cooling water, And a chiller 250 connected to the vehicle battery 270 through a cooling water circulation line W to exchange heat between refrigerant circulating through the refrigerant circulation line R and cooling water circulating through the cooling water circulation line W .

The water-cooled condenser 220 heat-exchanges gaseous refrigerant of high temperature and high pressure discharged from the compressor 100 with cooling water to condense and discharge the gaseous refrigerant into the liquid refrigerant.

The water-cooled condenser 220 includes a refrigerant passage 221 through which the refrigerant discharged from the compressor 100 flows, and a cooling water passage 222 through which the cooling water circulating through the water-cooled radiator 200 installed in the vehicle engine room flows And is configured to exchange heat between the refrigerant and the cooling water.

It is preferable that the water-cooled condenser 220 is constituted by a plate-type heat exchanger having refrigerant flow path 221 and cooling water flow path 222 alternately.

The water-cooled radiator 200 is connected to the cooling water channel 222 of the water-cooled condenser 220 through a cooling water circulation line 205, and a water pump (not shown) for circulating the cooling water is connected to the cooling water circulation line 205 210 are installed.

That is, the water-cooled condenser 220 as the refrigerant-cooling water heat exchanger 300 is connected to the water-cooled radiator 200 and the water pump 210 through the cooling water circulation line 205

Therefore, when the water pump 210 is operated, the cooling water circulating in the cooling water circulation line 205 is cooled by heat exchange with air while passing through the water-cooled radiator 200, and the cooling water thus cooled is supplied to the water- 220 to the refrigerant flowing in the refrigerant flow path 221. The refrigerant flowing in the refrigerant flow path 221 is heat-exchanged with the refrigerant flowing in the refrigerant flow path 221. [

On the other hand, the water-cooled radiator 200 is mainly used for cooling an electric component of a vehicle.

In this way, the heat radiation performance of the condenser 101 can be lowered by further adding the water-cooled condenser 220 as well as the condenser 101. Accordingly, the size of the condenser 101 can be reduced, The air volume of the fan unit 130 can be reduced, and the size of the fan unit 130 can be reduced. As a result, the overall size of the system can be reduced.

On the other hand, the water-cooled condenser 220 can be integrally installed on the outside or inside of the air conditioner case 150 through a support means 150, which will be described later.

The chiller 250 is a heat exchanger for exchanging the cooling water with the refrigerant. The chiller 250 includes a refrigerant passage portion 251 through which the refrigerant in the refrigerant circulation line R flows, a cooling water passage 251 through which the cooling water in the cooling water circulation line W flows The flow path portion 252 is configured to be heat-exchangeable to cool the vehicle battery 270.

At this time, the refrigerant circulation line (R) is provided with a refrigerant branch line (R1) for branching the refrigerant to the chiller (250). The refrigerant branch line R1 is connected in parallel to the refrigerant circulation line R between the condenser 101 and the compressor 100. [

A part of the refrigerant discharged from the condenser 101 and flowing to the expansion means 103 is branched into the refrigerant branch line R1 and flows to the chiller 250. [ The refrigerant discharged to the chiller 250 flows to the compressor 100.

The refrigerant branch line R1 at the inlet side of the chiller 250 is provided with auxiliary expansion means 260 to expand the refrigerant supplied to the chiller 250.

The auxiliary expansion means (260) is composed of an electronic expansion valve and performs a flow rate control and an expansion function of the refrigerant.

The chiller 250 is connected to the vehicle battery 270 through a cooling water circulation line W. The chiller 250 is connected to the vehicle battery 270 by a water pump (not shown) installed in the cooling water circulation line W, And the chiller 250. As a result, the cooling water is cooled by the heat exchange between the cooling water and the refrigerant, and the vehicle battery 270 is cooled.

The air conditioner case 110 is provided with a supporting means 150 for fixing the air conditioner component 106 to the air conditioner case 110 side.

That is, by integrally fixing the air conditioner parts 106 on the side of the air conditioner case 110 through the support means 150, the distribution and the delivery and management of the air conditioning system can be simplified, The productivity can be improved.

The refrigerant-cooling water heat exchanger as the air conditioner component 106 may be modularized with the refrigerant circulation line R, the expansion unit 103 and the auxiliary expansion unit 260. That is, The refrigerant circulation line R, the expansion means 103 and the auxiliary expansion means 260 are integrated into one unit and then assembled and integrated into the air conditioning case 110 through the support means 150 have.

14 shows an example in which the chiller 250, the refrigerant circulation line R, the expansion means 103, and the auxiliary expansion means 260 are modularized into one

Although the air conditioning case 110, the scroll cases 131 and 135 and the distribution duct 400 are separately described in the present invention, the air conditioning case 110 includes both the scroll cases 131 and 135 and the distribution duct 400 The fixing and supporting of the air conditioner component 106 on the side of the air conditioner case 110 through the supporting means 150 can be fixedly supported to the scroll cases 131 and 135 and the distribution duct 400.

In addition, when the air conditioner part 106 is integrated with the air conditioning case 110 through the support means 150, the length of the refrigerant circulation line R can be reduced and the weight can be reduced.

The support means 150 may be constructed in various embodiments according to the type of the air conditioner component 106. [

That is, the first embodiment in which the air conditioner part 106 is fixedly supported on the outer surface of the air conditioner case 110 and the second embodiment in which the air conditioner part 106 is fixedly supported on the inner surface of the air conditioner case 110 And a supporting means 150 for fixing and supporting the air conditioner component 106 may be integrally formed on the air conditioning case 110 side.

First, the supporting means 150 according to the first embodiment includes a bracket 151 for fixing and supporting the air conditioner component 106 to the outer surface of the air conditioner case 110.

The support means 150 includes a coupling member 154 for coupling the bracket 151 to the outer surface of the air conditioner case 110.

The coupling member 154 may be a screw coupling structure or a hook coupling structure for coupling the bracket 151 to the outer surface of the air conditioning case 110.

Therefore, the air conditioner part 106 can be integrated with the outer surface of the air conditioner case 110 through the bracket 151.

In the case of the first embodiment, various types are installed according to the type of the air conditioner part 106 and the structure of the air conditioner case 110,

The bracket 151 shown in Fig. 6 is formed by fixing the receiver dryer 102, which is the air conditioner component 106, to the outer surface of the air conditioner case 110,

The bracket 151 shown in FIGS. 10 to 12 has a receiver-dryer integrated condenser 101 fixedly supported on the outer surface of the air conditioner case 110, that is, outside the air conditioner case 110, A bracket 151 is disposed at a position corresponding to the air conditioner case 102 so that the receiver dryer 102 is fixedly supported on the outer surface of the air conditioner case 110.

At this time, the bracket 151 is formed to surround the outer circumferential surface of the receiver drier 102, and is smaller than the height of the receiver drier 102.

In addition, the bracket 151 is disposed below the receiver dryer 102.

The bracket 151 is disposed between the air conditioning case 110 and the air inflow duct 142a.

That is, the receiver dryer integrated condenser 101 is assembled to the air conditioning case 110, the bracket 151 is coupled to the outer side of the air conditioning case 110 to fix the receiver dryer 102, Then, the air inlet duct 142a is assembled to the outer surface of the air conditioner case 110.

The bracket 151 is disposed so as to partially overlap with the inflow inlet duct 142a. That is, a part of the bracket 151 is disposed inside the air inflow duct 142a.

On the other hand, the accommodating portion 142b in which the bracket 151 of the supporting means 150 is accommodated is formed in the inflow inlet duct 142a.

The receiving portion 142b is formed so as to surround the outer circumferential surface of the bracket 151 and is held while supporting the bracket 151. [

The bracket 151 shown in Figs. 13 and 14 is formed by fixing a chiller 250, which is an air conditioner component 106, to the outer surface of the air conditioner case 110.

That is, the bracket 151 is coupled to one side of the chiller 250, and the engaging member 154 is coupled to the outer surface of the air- And a coupling structure.

The chiller 250 is connected to the outer surface of the air conditioner case 110 by connecting the bracket 151 to the air conditioner case 110 And can be integrated with the outer surface.

14, the refrigerant circulation line R, the expansion unit 103, and the auxiliary expansion unit 260 are coupled to the air conditioning case 110 in a modularized state. At this time, the refrigerant circulation line R, (R) is connected to the compressor (100), the condenser (101) and the like, and the expansion means (103) is connected to the evaporator (104).

The brackets 151 shown in Figs. 15 and 16 are formed by fixing a water-cooled condenser 220, which is an air conditioner component 106, to the outer surface of the air conditioner case 110.

The bracket 151 includes a lower support 153 on which a lower end of the water-cooled condenser 220 is seated, and a lower support 153 which is formed at a predetermined height on the edge of the lower support 153 to support a side surface of the water- And a side support portion 152.

On the other hand, the bracket 151 has a side face and an upper side face facing the air conditioning case 110.

Next, the supporting means 150 according to the second embodiment has a structure in which the air conditioner part 106 is fixedly supported on the inner side surface of the air conditioner case 110.

7 and 17, the supporting means 150 includes a receiving portion 156 formed on an inner surface of the air conditioner case 110 to receive the air conditioner component 106, And a bracket 155 coupled to an inner surface of the receiving part 156 to fix and support the air conditioner 106 housed in the receiving part 156.

Therefore, the air conditioner part 106 is integrated with the inner surface of the air conditioner case 110 through the bracket 155 and the receiving part 156.

7 is a perspective view of the air conditioner case 110 in which the receiver dryer 102 is fixedly supported on the inner surface of the air conditioner case 110. FIG. 17 shows a water-cooled condenser 220 fixedly supported on the inner surface of the air conditioner case 110.

Next, the supporting means 150 according to the third embodiment is integrally formed with a bracket (not shown) for fixing and supporting the air conditioner component 106 on the side surface of the air conditioner case 110.

That is, the bracket may be integrally formed on the outer surface or the inner surface of the air conditioner case 110, so that the air conditioner component 106 can be integrated on the air conditioner case 110 side.

Hereinafter, the refrigerant flow process in the vehicle air conditioning system according to the present invention will be described with reference to FIG.

First, the gaseous refrigerant of high temperature and high pressure, which is compressed and discharged from the compressor 100, flows into the refrigerant passage 221 of the water-cooled condenser 220.

The gaseous refrigerant flowing into the refrigerant passage 221 of the water-cooled condenser 220 circulates through the water-cooled radiator 200 and is heat-exchanged with the cooling water flowing into the cooling water passage 222 of the water-cooled condenser 220, During the process, the refrigerant is cooled and is condensed to a liquid phase.

The liquid refrigerant discharged from the water-cooled condenser 220 flows into the condenser 101. At this time, the refrigerant passes through the condensation region of the condenser 101, exchanges heat with air in the air conditioning case 110, The refrigerant flows into the dryer 102, and the gaseous refrigerant and the liquid phase refrigerant are separated, and only the liquid phase refrigerant is discharged.

Then, the liquid refrigerant discharged from the receiver dryer 102 passes through the supercooled region of the condenser 101, exchanges heat with air, and is supercooled and discharged.

Some refrigerant in the liquid refrigerant discharged from the condenser 101 flows into the expansion means 103 and is expanded under reduced pressure so that some refrigerant flows into the auxiliary expansion means 260 through the refrigerant branch line R1, Is expanded.

The refrigerant decompressed and expanded by the expansion means 103 enters a low-temperature, low-pressure, atomized state and flows into the evaporator 104. The refrigerant flowing into the evaporator 104 is heat-exchanged with air passing through the evaporator 104 And evaporates.

The refrigerant introduced into the chiller 250 flows into the chiller 250 through the cooling water flowing in the chiller 250. The chiller 250 flows into the chiller 250, And evaporates. In this process, the cooled cooling water is circulated to the vehicle battery 270 to cool the charge amount battery 270.

The low-temperature and low-pressure refrigerant discharged from the evaporator 104 and the chiller 250 flows into the accumulator 105 so that the gaseous refrigerant and the liquid-phase refrigerant are separated, and only the gaseous refrigerant is discharged.

The gaseous refrigerant discharged from the accumulator 105 flows into the compressor 100 and then recycles the refrigerating cycle as described above.

If the cool air passing through the evaporator 104 is supplied to the inside of the vehicle, the inside of the inside of the vehicle is cooled. When hot air passing through the condenser 101 is supplied to the inside of the vehicle, .

At this time, unnecessary warm air is discharged to the outside of the car when it is cooled, and unnecessary cold air is discharged to the outside of the car when it is heated.

Since the air conditioner parts 106 are fixedly supported by the air conditioner case 110 through the supporting unit 150, the air conditioning system is simplified in terms of logistics, delivery and management, and the assembling process of the automobile is simplified. And the weight can be reduced through reduction of the refrigerant circulation line (R).

Claims (19)

An air conditioning system for a vehicle having a compressor (100), a condenser (101), an expansion means (103), an evaporator (104), and other air conditioning components (106) connected by a refrigerant circulation line (R) A cold air passage 111 and a hot air passage 112 are formed in the air conditioner case 111 and the air conditioner case 111 is provided with the evaporator 104 and the air conditioner case 112 is provided with the condenser 101 110, And a support means (150) installed in the air conditioning case (110) for fixing and supporting the air conditioner component (106) to the air conditioning case (110) side. The method according to claim 1, The support means (150) And a bracket (151) for fixing and supporting the air conditioner part (106) to an outer side surface of the air conditioner case (110). 3. The method of claim 2, The support means (150) And an engaging member (154) for engaging the bracket (151) to an outer surface of the air conditioner case (110). 3. The method of claim 2, The bracket 151 includes a lower support 153 on which the lower end of the air conditioner component 106 is seated and a lower support 153 that supports the side surface of the air conditioner component 106, And a side support portion (152). The method according to claim 1, The support means (150) A receiving portion 156 formed on an inner surface of the air conditioner case 110 to receive the air conditioner component 106 and an air conditioner 150 coupled to an inner surface of the air conditioner case 110, And a bracket (155) for fixing and supporting the airbag (106). The method according to claim 1, The support means (150) Wherein a bracket for fixing and supporting the air conditioner component (106) is integrally formed on a side surface of the air conditioner case (110). The method according to claim 1, Wherein the air conditioner component (106) is a receiver dryer (102) for separating the gaseous refrigerant and the liquid phase refrigerant from the refrigerant circulating through the refrigerant circulation line (R) and discharging the liquid phase refrigerant. The method according to claim 1, Wherein the air conditioner component (106) is an accumulator (105) for separating the gaseous refrigerant and the liquid refrigerant from the refrigerant circulating through the refrigerant circulation line (R) and discharging the gaseous refrigerant. The method according to claim 1, Wherein the air conditioner component (106) is a regulating valve for regulating a flow rate or flow direction of the refrigerant circulating through the refrigerant circulation line (R). The method according to claim 1, Wherein the air conditioner component (106) is a refrigerant-coolant heat exchanger for exchanging heat between the refrigerant of the refrigerant circulation line (R) and the cooling water. 11. The method of claim 10, The refrigerant-cooling water heat exchanger is a water-cooled condenser 220 connected to the refrigerant circulation line R between the compressor 100 and the condenser 101 to exchange heat between the refrigerant discharged from the compressor 100 and the cooling water. The air conditioning system for vehicles. 12. The method of claim 11, Wherein the refrigerant-cooling water heat exchanger is connected to the water-cooling radiator (200) and the water pump (210) through a cooling water circulation line (205). 11. The method of claim 10, The refrigerant-cooling water heat exchanger is connected to the vehicle battery 270 through a cooling water circulation line W and is connected to a refrigerant circulating line R through a refrigerant circulation line W, (250). ≪ / RTI > 11. The method of claim 10, Wherein the refrigerant-cooling water heat exchanger is modularized with the refrigerant circulation line (R) and the expansion means (103) and fixedly installed on the side of the air conditioning case (110). The method according to claim 1, The air conditioner part 106 is integrally connected to one side of the condenser 101 to separate the gaseous refrigerant and the liquid refrigerant from the refrigerant and discharge the liquid refrigerant. The supporting means 150 is disposed at a position corresponding to the receiver dryer 102 on the outside of the air conditioning case 110 and fixedly supports the receiver dryer 102 on the outer surface of the air conditioning case 110 And a bracket (151). 16. The method of claim 15, Wherein the bracket (151) is formed to surround the outer circumferential surface of the receiver dryer (102) and is formed to be smaller than the height of the receiver dryer (102). The method according to claim 1, The hot air passage 112 and the cold air passage 111 are stacked on the inside of the air conditioner case 110, A blower 130a for blowing air to the cold air passage 111 side and a second blower 130b for blowing air to the hot air passage 112 side are provided on the inlet side of the air conditioning case 110. [ (130) An intake duct (141, 142) is formed between the first blower (130a) and the second blower (130b) and has inner and outer air inflow ports (141, 142) for supplying the inside and outside air to the first blower (130a) and the second blower (140) is installed in the air conditioning system. 18. The method of claim 17, An air inlet inflow duct 142a for supplying the inside air of the passenger compartment to the inflow inlet 142 of the intake duct 140 is provided on the side of the air conditioning case 110, Wherein the support means (150) is disposed between the air conditioning case (110) and the air inflow duct (142a). 19. The method of claim 18, Wherein the air inflow duct (142a) is formed with a receiving portion (142b) for receiving the supporting means (150).

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