KR20230168454A - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to an air conditioning device for a vehicle in which fine particles can flow. The air conditioning device for a vehicle according to an embodiment of the present invention includes an external air unit through which air from outside the vehicle is introduced, filtered, and introduced into the interior, and the external air unit It is disposed adjacently and includes an inner part through which air inside the vehicle is introduced, filtered, and introduced into the room, and the external air part and the internal part each include an outdoor air inlet for introducing outside air and an inner air inlet for introducing inside air. And, the outside air inlet is arranged to be exposed to the outermost part of the vehicle, and the indoor air inlet is arranged to be exposed to the inside of the vehicle.

Description

Air conditioner for vehicle}

The present invention relates to an air conditioning device for a vehicle, and more specifically, to an air conditioning device for a vehicle that can directly flow outside air.

In general, a vehicle's air conditioning system properly maintains the air environment, such as temperature and humidity, according to changes in surrounding temperature. The vehicle's air conditioning system maintains various types of air, such as internal ventilation, cooling and heating, and removal of frost, etc., by user operation. It is equipped with an air conditioning device (Heating, Ventilating and Air Conditioning, HVAC) to provide a comfortable environment for users by performing a conditioning function.

Specifically, the vehicle air conditioning device includes a fan for flowing air, an evaporator for cooling the air, and a heater for heating the air, and the fan flows external or internal air to the evaporator or heater to form an air vent. It is supplied to the interior of the vehicle through the vent.

Additionally, an evaporator is disposed behind the blowing fan, and the evaporator cools the air by absorbing heat contained in the air using refrigerant condensed in the condenser and expanded in the expansion valve.

In addition, a heater is located behind the evaporator. The heater cools the cylinder block of the engine and flows coolant whose temperature has risen. The coolant in the heater heats the air sucked into the air conditioning module to remove hot air. make it

Additionally, the vehicle's air conditioning system is located inside the dash panel from the passenger seat to the center of the vehicle, and has an evaporator for cooling, a heater for heating, and a blower unit for selectively blowing indoor or outdoor air.

In particular, in the case of automobiles, a separate air conditioning device is installed in the car to maintain a comfortable interior atmosphere. The air conditioning device circulates indoor air or introduces outdoor air in the process of cooling and heating the air inside the car. A filter is installed to filter out foreign substances such as dirt or dust carried in the outside air.

Meanwhile, in a conventional vehicle air conditioning device, an outside air introduction part for introducing outside air is generally placed on the engine room partition wall of the vehicle. Accordingly, air in the engine room was introduced along with outdoor air through the outdoor air inlet. As air flowed into the engine room, there was a problem in which combustion gases or other odors generated within the engine room flowed into the room along the outside air inlet.

The present invention aims to solve the above-described problems and other problems, and aims to provide a vehicle air conditioning device and a vehicle air conditioning device that can reduce the inflow of air into the engine room by the outside air inlet. .

An air conditioning device for a vehicle according to an embodiment of the present invention, which achieves the above or other objects, includes an external air unit through which air outside the vehicle is introduced, filtered, and introduced into the interior, and disposed adjacent to the external air unit, wherein the air inside the vehicle is disposed adjacent to the external air unit. It includes an inner part that is introduced and filtered and introduced into the room, wherein the outside air part and the inner part each include an outside air inlet for introducing outside air and an inner air inlet for introducing inside air, and the outside air inlet is the outermost part of the vehicle. It is arranged to be exposed to, and the bet inlet is arranged to be exposed to the inside of the vehicle.

In one embodiment, the external air unit may be placed outside the vehicle, and the internal air unit may be placed inside the vehicle.

In one embodiment, a case sealing member is disposed between the outer air portion and the inner portion, and the case sealing member is in close contact with a sealing member disposed on the frame of the vehicle that is in contact with the outer air portion and the inner portion. It can be done as much as possible.

In one embodiment, the area between the external unit and the internal unit may be surrounded by at least two surfaces by a sealing member disposed on the frame of the vehicle.

In one embodiment, the outdoor air inlet is disposed diagonally with respect to the direction of gravity, and a plurality of outdoor air introduction holes arranged vertically and spaced apart from each other may be formed in the outdoor air inlet.

In one embodiment, the outdoor air portion includes an outdoor air introduction portion through which outdoor air flowing in through the outdoor air introduction hole flows, and the outdoor air introduction portion includes a first outdoor air passage space through which outdoor air flowing in through the outdoor air introduction hole flows; and a second outside air passage space through which the outside air of the first outside air passage space flows and moves, and the second outside air passage space may be disposed above the first outside air passage space.

In one embodiment, the outside air introduction part may include at least one switching rib protruding from the side wall into the first outside air flow path space to change the direction of outside air flowing into the outside air introduction hole downward.

In one embodiment, the switching rib includes a first rib disposed at a height corresponding to the upper opening hole of the outside air introduction hole and arranged at an angle with the outside air inflow direction to divert the incoming outside air in a downward direction, and It may include a second rib disposed at a height corresponding to the central opening hole of the outside air introduction hole and arranged at an angle with the outside air inflow direction to divert the incoming outside air in a downward direction.

In one embodiment, the first rib and the second rib may be formed to be spaced apart from each other in the front-back direction.

In one embodiment, the lower surface of the first outside air flow path space has a first surface tapered downward as it gets closer to the outside air introduction hole, and is formed at an end of the first side farthest from the outside air introduction hole, It may include a second surface formed at a predetermined angle with the first surface, and a drain hole may be formed on the second surface to allow moisture collected in the first external air passage space to be discharged.

In one embodiment, it may further include a third surface formed at an end of the second surface and protruding and extending toward the second external air flow path space.

In one embodiment, a bending surface may be disposed at the top of the third surface, forming a predetermined angle with the extension direction of the third surface, and protruding and extending toward the front.

In one embodiment, the transition rib and the third surface move in a direction opposite to the direction of gravity while the outside air flowing in through the outside air introduction hole progresses from the first outside air passage space to the second outside air passage space. It can be done to proceed.

The effects of the vehicle air conditioning device and the vehicle air conditioning device according to the present invention are described as follows.

The air conditioning device for a vehicle according to an embodiment of the present invention has the advantage of preventing odors from the engine room from flowing in because the outside air inlet is located at the outermost part of the vehicle and is directly exposed to outside air.

The vehicle air conditioning device according to an embodiment of the present invention has the advantage of forming an airtight structure with the frame of the vehicle through a sealing member, making it easy to place the external air unit outside the vehicle and the internal air unit inside the vehicle. There is.

The flat portion of the first rib of the vehicle air conditioning device according to an embodiment of the present invention faces the second surface of the lower surface of the first external air passage space, and the flat portion of the second rib faces the first surface of the lower surface of the first external air passage space. It can be arranged obliquely in the direction facing. Accordingly, the outside air flowing into the first outside air passage space may collide with the first and second ribs, and the introduced moisture may fall on the lower surface of the first outside air passage space.

In the vehicle air conditioning device according to an embodiment of the present invention, the first rib and the second rib are arranged in the front and rear directions, thereby effectively removing moisture contained in the outside air flowing in through the outside air introduction hole and moving it to the lower side of the first outside air passage space. I can guide you.

The vehicle air conditioning device according to an embodiment of the present invention has a bent surface at the end of the third side, so that moisture flows through the third side and into the second outside air passage space due to the outside air strongly flowing in through the outside air introduction hole. When trying to do so, the bending surface can effectively prevent moisture from flowing into the second external air flow path space.

1 is a diagram illustrating the exterior of a vehicle in which a vehicle air conditioning system according to an embodiment of the present invention is installed.
FIG. 2 is an enlarged view of the vehicle air conditioning system of FIG. 1.
FIG. 3 is a diagram for explaining the division between the outdoor and indoor parts of the vehicle in FIG. 1.
4 and 5 are diagrams for explaining a frame of a vehicle on which an air conditioning system for a vehicle is installed and an air conditioning device for a vehicle according to an embodiment of the present invention.
6 to 8 are diagrams for explaining the interior of a vehicle air conditioning system according to an embodiment of the present invention.
FIG. 9 is a view showing FIG. 6 viewed from another direction.
FIG. 10 is a view showing FIG. 6 cut in another direction to explain a drain hose connected to a drain hole disposed on the second side.
FIG. 11 is a view showing a cutaway view of FIG. 2 to explain the inner part and the joining space.

It should be noted that the technical terms used in this specification are only used to describe specific embodiments and are not intended to limit the present invention. Additionally, as used herein, singular expressions include plural expressions, unless the context clearly dictates otherwise. The suffixes “module” and “part” for components used in the following description are given or used interchangeably only for the ease of writing the specification, and do not have distinct meanings or roles in themselves.

As used herein, “consists of.” or “including.” Terms such as these should not be construed as necessarily including all of the various components or steps described in the specification, and some of the components or steps may not be included, or additional components or steps may be included. It should be interpreted to include more.

Additionally, when describing the technology disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the technology disclosed in this specification, the detailed description will be omitted.

In addition, the attached drawings are only for easy understanding of the embodiments disclosed in this specification, and the technical idea disclosed in this specification is not limited by the attached drawings, and all changes included in the spirit and technical scope of the present invention are not limited. , should be understood to include equivalents or substitutes. In addition, each embodiment described below, as well as a combination of embodiments, are changes, equivalents, or substitutes included in the spirit and technical scope of the present invention, and of course, may fall within the spirit and technical scope of the present invention. .

1 is a diagram illustrating the exterior of a vehicle in which a vehicle air conditioning system according to an embodiment of the present invention is installed. FIG. 2 is an enlarged view of the vehicle air conditioning system of FIG. 1. FIG. 3 is a diagram for explaining the division between the outdoor and indoor parts of the vehicle in FIG. 1.

A vehicle air conditioning device 1000 according to an embodiment of the present invention includes an external air unit 100 and an internal air unit 200.

The external air unit 100 receives air from outside the vehicle 9, filters it, and introduces it into the interior. The internal unit 200 is disposed adjacent to the external air unit 100, and air inside the vehicle 8 is introduced, filtered, and introduced into the interior.

The external air and internal air introduced into the external air unit 100 and the internal unit 200 may be mixed inside the vehicle air conditioning system 1000 and then introduced into the vehicle interior 8. At this time, the ratio of the external air flowing in from the external air unit 100 and the ratio of the air inside the vehicle 8 flowing in from the internal air unit 200 may be different from each other.

Meanwhile, the external air unit 100 and the internal unit 200 each include an external air inlet 120 for introducing external air, an external air inlet 120, and an internal air inlet 210 for introducing internal air. .

Referring to Figures 1 to 3, the fresh air inlet 120 is disposed to be exposed to the outermost part of the vehicle. And, the inner part 200's inner part 200 is disposed to be exposed to the inside of the vehicle 8.

Specifically, the outside air inlet 120 is not exposed to a space covered by another component of the vehicle, such as the bonnet of the vehicle 10, for example, an engine room. The outside air inlet 120 of the vehicle air conditioning device 1000 according to an embodiment of the present invention is disposed at the outermost part of the vehicle 10 so that outside air is directly introduced.

At this time, the external air unit 100 of the vehicle air conditioning device 1000 may be placed outside the vehicle 10, and the internal unit 200 may be placed inside the vehicle 10.

Specifically, referring to FIGS. 2 and 3, the external unit 100 is disposed outside the area divided by the frame F of the vehicle 10, and the internal unit 200 is located inside the vehicle 8. can be placed. However, depending on the design, a part of the external air unit 100 may be placed inside the vehicle 8. Also, a part of the inner part 200 may be placed outside the vehicle.

In the vehicle air conditioning device 1000 according to an embodiment of the present invention, the outside air inlet 120 is disposed at the outermost part of the vehicle and is directly exposed to outside air, thereby preventing odors from the engine room from entering. There is an advantage to not having it.

4 and 5 are diagrams for explaining a frame of a vehicle on which an air conditioning system for a vehicle is installed and an air conditioning device for a vehicle according to an embodiment of the present invention.

A case sealing member 1020 is disposed between the external air unit 100 and the internal air unit 200 of the vehicle air conditioning device 1000 according to an embodiment of the present invention.

Specifically, referring to FIG. 5 , a case sealing member 1020 may be disposed on the air conditioner case 100c between the external unit 100 and the internal unit 200.

The case sealing member 1020 is made to be in close contact with the sealing member 20 disposed on the frame F of the vehicle, which is in contact between the external unit 100 and the internal unit 200.

Specifically, referring to FIG. 4 , the frame F into which the vehicle air conditioning device 1000 can be inserted is disposed in the area where the vehicle air conditioning device 1000 is placed inside the vehicle 8. The first sealing member 21 and the second sealing member 22 may be disposed surrounding the frame opening FO.

The first sealing member 21 and the second sealing member 22 are in close contact with the case sealing member 1020 disposed in the air conditioning device case 100C of the vehicle air conditioning device 1000 and are in close contact with the outside of the vehicle 9. Air or moisture can be prevented from entering the vehicle interior (8).

The first sealing member 21 may include rubber. In addition, the second sealing member 22 may include a sponge made of copolymer rubber (ethylene propylene diene monomer, EPDM) to facilitate mounting the vehicle air conditioning device 1000 inside the frame F of the vehicle. there is. The vehicle air conditioning device 1000 and the second sealing member 22 may be arranged by being compressed so that the second sealing member 22 is forcibly compressed by 60% or more.

The area between the external unit 100 and the internal unit 200 may be surrounded on at least two sides by a sealing member 20 disposed on the frame F of the vehicle.

Specifically, as shown in FIG. 4, the sealing member 20 disposed on the frame F of the vehicle may be disposed on three or more sides along the frame opening FO.

The vehicle air conditioning device 1000 according to an embodiment of the present invention forms a sealed structure with the frame F of the vehicle through the sealing member 20, thereby arranging the external air unit 100 outside the vehicle. , there is an advantage that the inner part 200 can be easily implemented to be placed inside the vehicle 8.

6 to 8 are diagrams for explaining the interior of a vehicle air conditioning device 1000 according to an embodiment of the present invention. FIG. 9 is a view showing FIG. 6 viewed from another direction. FIG. 10 is a view showing FIG. 6 cut in another direction to explain a drain hose connected to a drain hole disposed on the second side. FIG. 11 is a view showing a cutaway view of FIG. 2 to explain the inner part and the joining space.

In the vehicle air conditioning device 1000 according to an embodiment of the present invention, the outside air inlet 120 may be arranged diagonally with respect to the direction of gravity.

Specifically, referring to FIG. 6 , the outside air inlet 120 of the outside air unit 100 may be exposed to the outside of the vehicle in a diagonal direction oblique with respect to the direction of gravity. In addition, a plurality of outdoor air introduction holes 122 spaced apart from each other and arranged vertically may be formed in the outdoor air inlet 120. Outside air may be introduced through the outside air introduction hole 122.

The external air unit 100 includes an external air introduction unit 110 through which external air flowing in through the external air inlet 120 flows. That is, the outside air inlet 110 may form an outside air passage space 130 through which outside air introduced through the outside air inlet 120 flows.

The outside air flow path space 130 may include a first outside air flow path space 131 and a second outside air flow path space 132. The first outside air passage space 131 flows through the outside air introduced through the outside air introduction hole 122. The second outside air passage space 132 is a space through which outside air flowing into the first outside air passage space 131 flows and moves. That is, the outside air flowing into the outside air inlet 110 sequentially flows through the first outside air passage space 131 and the second outside air passage space 132 and flows into the vehicle air conditioning device 1000.

At this time, the second outside air passage space 132 may be disposed above the first outside air passage space 131. This is the outside air flowing into the first outside air passage space 131 through the transition rib 140, which will be described later, and the third surface 153 and the bending surface 154 of the lower surface 150 of the first outside air passage space 131. This is to flow in the direction opposite to the direction of gravity while advancing into the second external air flow path space 132.

Due to this direction of the outside air flow, moisture, etc. introduced from the outside into the first outside air passage space 131 may accumulate on the lower surface 150 of the first outside air passage space 131 by the diversion rib 140. .

The outside air introduction part 110 may include at least one switching rib 140 protruding from a side wall of the first outside air passage space 131 toward the first outside air passage space 131 .

As shown in Figures 6 and 7, the switching rib 140 protrudes toward the first external air flow path space 131 from the side wall forming the first external air flow path space 131. Although not shown in the drawing, the switching rib 140 may protrude from one side wall forming the first external air flow path space 131 and be fixed to the other side wall.

The transition rib 140 may include a first rib 141 and a second rib 142.

Referring to FIG. 6, the first rib 141 may be disposed at a height corresponding to the upper opening hole of the outside air introduction hole 122. The first rib 141 may be arranged at an angle with the outside air inflow direction to divert the incoming outside air toward the lower direction.

In addition, the second rib 142 may be arranged at a height corresponding to the central opening hole of the outside air introduction hole 122. The second rib 142 may be arranged at an angle with the outside air inflow direction to divert the incoming outside air toward the lower direction.

The switching rib 140 is disposed in the flow direction of the outdoor air flowing into the outdoor air introduction hole 122, so that the moving direction of the outdoor air is switched toward the bottom by the switching rib 140.

The outdoor air guided by the switching rib 140 may flow not only to the lower part but also to the upper part of the first outdoor air passage space 131, and the outdoor air flowing upward is returned to the vehicle air conditioner case 100C. It may flow to the central area of the first external air flow path space 131.

To increase the amount of incoming outside air flowing downward by the first rib 141 and the second rib 142, the flat portion of the first rib 141 forms the first outside air flow path space 131. The lower surface faces the second surface 152, and the flat portion of the second rib 142 may be disposed obliquely in a direction toward the first surface 151 of the lower surface of the first external air passage space 131. . Accordingly, the outside air flowing into the first outside air passage space 131 collides with the first and second ribs 141 and 142, and the introduced moisture is transferred to the lower surface 150 of the first outside air passage space 131. ) may fall.

The first rib 141 and the second rib 142 may be formed to be spaced apart from each other in the front-back direction.

Specifically, as shown in FIG. 6, the first rib 141 is disposed close to the rear side of the first external air passage space 131, and the second rib 142 is located near the first external air passage space 131. It is placed close to the front side of 131. At this time, the front side of the first outside air flow path space 131 faces the outside air inlet 120.

Referring to FIG. 7, the first rib 141 and the second rib 142 are arranged in the front-back direction, so that the outside air flowing into the upper side of the outside air introduction hole 122 and the outside air introduction hole 122 Moisture contained in the outside air flowing in from the center or lower direction of the outside air can be effectively removed within the first outside air flow path space 131.

In summary, the first rib 141 and the second rib 142 formed in the first outside air passage space 131 effectively remove moisture contained in the outside air in the first outside air passage space 131. They are spaced apart in the vertical direction to be guided in the downward direction, and are formed to be spaced apart in the front-to-back direction.

In the vehicle air conditioning device 1000 according to an embodiment of the present invention, the first rib 141 and the second rib 142 are arranged in the front and rear directions, so that the outside air flowing in through the outside air introduction hole 122 The moisture contained in can be effectively removed and guided to the lower side of the first external air flow path space 131.

The lower surface 150 of the first external air passage space 131 may include a first surface 151, a second surface 152, a third surface 153, and a bent surface 154.

Specifically, the first surface 151 may be formed to taper (slope) downward as it approaches the fresh air introduction hole 122. The second surface 152 may be formed at an end of the first surface 151 that is far from the outside air introduction hole 122 and may be formed at a predetermined angle with the first surface 151. At this time, the drain hole 152a may be formed on the second surface 152 to allow moisture collected in the first external air passage space 131 to be discharged.

The third surface 153 is formed at an end of the second surface 152. The third surface 153 may protrude and extend from an end of the second surface 152 toward the second external air flow path space 132.

The transition rib 140 and the third surface 153 allow outside air flowing in through the outside air introduction hole 122 to proceed from the first outside air passage space 131 to the second outside air passage space 132. In the process, it can be done to proceed in a direction opposite to the direction of gravity.

Specifically, the switching rib 140 may guide the outside air introduced along the outside air introduction hole 122 toward the lower surface 150 of the first outside air flow path space 131.

In addition, the outside air flowing in from the lower side of the outside air introduction hole 122 and the outside air guided by the switching rib 140 rise along the first surface 151 and reach the back of the first outside air passage space 131. While moving to the side, it may be blocked by the third surface 153.

Additionally, the outside air flowing into the first outside air passage space 131 may rise along the third surface 153 in a direction opposite to the direction of gravity and flow into the second outside air passage space 132.

At this time, foreign substances mixed in the outside air, such as moisture or dust, may accumulate on the lower surface 150 of the first outside air flow path space 131 by the diversion rib 140. At this time, moisture accumulated in the first external air passage space 131 may be discharged along the drain hole 152a formed on the second surface 152. And, referring to FIG. 10, moisture discharged through the drain hole 152a may be discharged to the outside of the vehicle air conditioning device 1000 along the drain hose 158 connected to the drain hole 152a.

The bending surface 154 may be disposed on the top of the third surface 153, forming a predetermined angle with the extension direction of the third surface 153, and protruding and extending toward the front.

The vehicle air conditioning device 1000 according to an embodiment of the present invention is provided with the bending surface 154 at the end of the third surface 153, thereby preventing the outside air from strongly flowing in through the outside air introduction hole 122. When moisture tries to flow into the second outside air flow path space 132 along the third surface 153, the bending surface 154 effectively prevents moisture from flowing into the second outside air flow path space 132. It can be prevented.

Referring to Figures 6 and 7, the outside air flowing into the second outside air flow path space 132 moves to the lower space 170 through the outside air filter 160. The outside air filter 160 can filter out various impurities contained in outside air.

Outside air flowing into the lower space 170 may enter the confluence space 180 through the outside air rotating door 175. In addition, the amount of outside air flowing into the outside air inlet 120 can be adjusted by the outside air rotating door 175.

The air entering the confluence space 180 may be discharged into the vehicle interior 8 by the blowing fan 190. At this time, an evaporator 310 that cools the air flowing into the vehicle interior 8 by the blowing fan 190 and a heater core 320 may be disposed in a channel flowing into the vehicle interior 8.

Referring to FIG. 11, air inside the vehicle 8 flows into the vehicle air conditioning device 1000 through the internal air inlet 210 of the internal unit 200. At this time, impurities may be filtered through the bet filter 220 disposed in the bet inlet 210.

The inside air flowing in through the outside air inlet 210 may merge with the outside air introduced through the outside air inlet 120 in the confluence space 180 within the vehicle air conditioning device 1000. And, it can flow back into the vehicle interior 8 through the evaporator 310 and the heater core 320.

Each configuration of the present invention described in the above detailed description should not be construed as restrictive in all respects and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

10 Vehicle 8 Inside the Vehicle
9 Vehicle exterior F frame
FO frame opening 20 sealing member
21 first sealing member 22 second sealing member
1000 Air conditioning unit C cover
100C air conditioning unit case 1020 case sealing member
100 External Energy 110 External Energy Introduction
110C outdoor air inlet cover 120 outdoor air inlet
122 Outdoor air introduction hall 130 Outdoor air flow path space
131 1st external air passage space 132 2nd external air passage space
135 Second external air flow path space guide 140 Transition rib
141 first rib 142 second rib
If 150, then 151, the first side
152 second side 152a drain hole
153 Third side 154 Bend side
158 Drain hose 160 Outside air filter
170 Lower space 175 External air rotating door
180 joining space 190 blowing fan
200 bet section 210 bet entrance
220 bet filter 310 evaporator
320 heater core

Claims (13)

An external air unit where air from outside the vehicle is drawn in, filtered, and introduced into the interior; and
An internal unit disposed adjacent to the external air unit and allowing air inside the vehicle to be drawn in, filtered, and introduced into the interior,
The external air unit and the internal unit each include an external air inlet for introducing external air and an internal air inlet for introducing internal air,
The outside air inlet is arranged to be exposed to the outermost part of the vehicle, and the indoor air inlet is arranged to be exposed to the inside of the vehicle.
Vehicle air conditioning system.
According to claim 1,
The external air unit is disposed outdoors of the vehicle,
The inner part is placed inside the vehicle,
Vehicle air conditioning system.
According to clause 2,
A case sealing member is disposed between the outer portion and the inner portion,
The case sealing member is,
Made to be in close contact with a sealing member disposed on the frame of the vehicle that is in contact between the external unit and the internal unit,
Vehicle air conditioning system.
According to clause 3,
The area between the external and internal parts is,
At least two sides are surrounded by a sealing member disposed on the frame of the vehicle,
Vehicle air conditioning system.
According to paragraph 1,
The outdoor air inlet is arranged diagonally with respect to the direction of gravity,
A plurality of outside air introduction holes are formed in the outside air inlet, spaced apart from each other and arranged up and down,
Vehicle air conditioning system.
According to clause 5,
The outside air unit includes an outside air inlet through which outside air flowing in through the outside air inlet flows,
The outside air introduction part,
a first outside air passage space through which outside air flowing in through the outside air introduction hole flows; and
It includes a second outside air passage space through which the outside air of the first outside air passage space flows and moves,
The second outside air flow path space is disposed above the first outside air flow path space,
Vehicle air conditioning system.
According to clause 6,
The outside air introduction part,
At least one switching rib protruding from the side wall into the first outside air flow path space to change the direction of the outside air flowing into the outside air introduction hole downward,
Vehicle air conditioning system.
In clause 7,
The transition rib is,
a first rib disposed at a height corresponding to the upper opening hole of the outside air introduction hole and arranged at an angle with the outside air inflow direction to divert the incoming outside air in a downward direction; and
A second rib disposed at a height corresponding to the central opening hole of the outside air introduction hole and disposed at an angle with the outside air inflow direction to divert the incoming outside air in a downward direction,
Vehicle air conditioning system.
According to clause 8,
The first rib and the second rib are,
Formed to be spaced apart from each other in the front and back directions,
Vehicle air conditioning system.
According to clause 8,
The lower surface of the first external air passage space is,
a first surface tapered downward as it approaches the outside air introduction hole;
A second face is formed at an end of the first face farthest from the outside air introduction hole and is formed at a predetermined angle with the first face,
A drain hole is formed on the second surface to allow moisture collected in the first external air flow path space to be discharged,
Vehicle air conditioning system.
According to claim 10,
Formed at an end of the second side,
Further comprising a third surface protruding and extending toward the second external air flow path space,
Vehicle air conditioning system.
According to clause 11,
At the top of the third side,
A bending surface forming a predetermined angle with the extension direction of the third surface and protruding and extending toward the front is disposed,
Vehicle air conditioning system.
According to clause 11,
The transition rib and the third surface are,
Made so that the outside air flowing in through the outside air introduction hole proceeds in a direction opposite to the direction of gravity in the process of advancing from the first outside air flow path space to the second outside air flow path space,
Vehicle air conditioning system.

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