JP7330745B2 - Vehicle air conditioner - Google Patents

Description

TECHNICAL FIELD The present invention relates to a vehicle air conditioner.

2. Description of the Related Art Conventionally, there has been known a vehicle air control device that includes an evaporator and a heater core arranged downstream of the evaporator, and blows into a vehicle interior an airflow that is a mixture of cool air that has passed through the evaporator and hot air that has passed through the heater core. (See Patent Document 1, for example).
The vehicle air control device disclosed in Patent Document 1 supplies nano ions generated by a nano ion generation unit to a fan duct that guides conditioned air to a ventilator that opens at the upper front side of the instrument panel in the passenger compartment. Nano ions are sprayed into the cabin from the ventilator.

JP 2008-273242 A

However, in the vehicle air control device of Patent Document 1, the nano ion generation unit is generated only in one of the plurality of air ducts that guide the conditioned air to each of the plurality of blowout openings that blow the conditioned air into the vehicle interior. Nano ions are guided. Since the conditioned air containing nanoions is blown out only from one of the plurality of blowout openings, it is difficult to uniformly disperse the nanoions in the vehicle interior.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an air flow mixed with an air quality control substance is blown out from each of a plurality of outlets in a vehicle interior to distribute the air quality control substance uniformly in the vehicle interior. An object of the present invention is to provide an air conditioner for a vehicle that can be dispersed in the air.

In order to solve the above problems, the vehicle air conditioner of the present invention employs the following means.
A vehicle air conditioner according to an aspect of the present invention includes an evaporator, a heater core disposed downstream of the evaporator, and an airflow mixture of cold air that has passed through the evaporator and warm air that has passed through the heater core. A blowout passage portion having a plurality of blowout passages for guiding the air flow to a plurality of blowout ports for blowing into a room; an air quality adjustment unit for generating an air quality adjustment substance for adjusting the air quality of the air flow; a supply unit for supplying air to the plurality of blow-out flow paths for mixing with the air flow that has flowed into the blow-out flow path from the unit.

According to the vehicle air conditioner according to one aspect of the present invention, the air quality adjusting substance generated by the air quality adjusting unit is supplied from the opening to the plurality of blowout flow paths by the supply unit, and flows into the blowout flow path. mixed with the air flow. Therefore, it is possible to uniformly disperse the air quality adjustment substance in the vehicle interior by blowing out the airflow mixed with the air quality adjustment substance from each of the plurality of outlets in the vehicle interior. In addition, a plurality of blowout flow paths to which the air quality adjusting substance is supplied are arranged downstream of the opening where the blocking state and the flow state are switched by the damper. Therefore, the air quality adjusting substance can be supplied to the plurality of blowout flow paths in either the blocking state or the circulating state.

In the vehicle air conditioner according to one aspect of the present invention, the supply unit includes a chamber extending in the vehicle width direction and storing the air quality adjusting substance generated by the air quality adjusting unit, and a chamber through which the air flow flows. and a plurality of supply ports for supplying the air quality adjusting substance to each of the plurality of blowout flow paths through which the air flow flows from the chamber to mix the air quality adjusting substance with the air flow. good.
According to the vehicle air conditioner having this configuration, the chamber storing the air quality adjusting unit extends in the vehicle width direction, so that the air quality adjusting substance can be stored in the chamber having a sufficient volume. Also, the air quality adjusting substance stored in the chamber can be supplied from the plurality of supply ports to each of the plurality of blowout flow paths.

In the vehicle air conditioner configured as described above, the supply port increases the flow path width of the blowout flow path from the upstream side toward the downstream side in the direction of circulation of the airflow that has flowed into the blowout flow path from the opening. It may have an inclined surface that gradually narrows, and an opening hole that communicates the blowout passage with the chamber at an end portion of the inclined surface on the downstream side in the flow direction.
The inclined surface of the supply port is inclined so as to gradually narrow the flow path width of the blowout flow path from the upstream side toward the downstream side in the air flow direction. Therefore, the airflow flowing along the inclined surface separates when passing through the downstream end of the inclined surface to form a negative pressure region at the downstream end of the inclined surface. Since the negative pressure region is formed in the vicinity of the opening hole, the air quality control substance contained in the chamber is attracted to the negative pressure region and guided from the chamber to the blowout channel.

In the vehicle air conditioner according to one aspect of the present invention, the air quality adjustment unit includes at least one of an ion generator that generates ions, an ozone generator that generates ozone, and an aromatic agent generator that generates an aromatic agent. can be
When the air quality adjusting unit is an ion generator, ions can be uniformly dispersed in the vehicle interior to disinfect or deodorize the air in the vehicle interior. Further, when the air quality control unit is an ozone generator, it is possible to uniformly disperse ozone in the vehicle interior to sterilize or deodorize the air in the vehicle interior. Further, when the air quality adjusting unit is an aromatic substance generator, the aromatic substance can be uniformly dispersed in the passenger compartment to fill the passenger compartment with the aromatic substance.

ADVANTAGE OF THE INVENTION According to the present invention, an air conditioner for a vehicle is capable of blowing out an air flow mixed with an air quality adjusting substance from each of a plurality of outlets in a vehicle interior to uniformly disperse the air quality adjusting substance in the vehicle interior. can be provided.

1 is a perspective view of a vehicle air conditioner according to an embodiment of the present invention; FIG. It is a perspective view which sees through and shows a part of air conditioning apparatus for vehicles shown in FIG. FIG. 2 is an internal structural view of the vehicle air conditioner shown in FIG. 1 along the airflow direction; 4 is a partially enlarged view of the vicinity of the differential/face damper shown in FIG. 3; FIG. FIG. 5 is a top plan view of a differential blowout channel and a face blowout channel of the case shown in FIG. 4 ; FIG. 6 is a cross-sectional view of the case shown in FIG. 5 taken along the line AA.

A vehicle air conditioner 1 according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a vehicle air conditioner 1 according to one embodiment of the present invention. FIG. 2 is a perspective view showing a part of the vehicle air conditioner 1 shown in FIG. 1. As shown in FIG. FIG. 3 is an internal structural diagram of the vehicle air conditioner 1 shown in FIG. 1 along the airflow direction.

A vehicle air conditioner (HVAC: Heating Ventilation and Air Conditioning Unit) 1 is arranged in a substantially central portion in an instrument panel in front of a vehicle compartment so that air flows in the longitudinal direction of the vehicle. A blower unit 2 is connected to the upstream side of the HVAC 1 to take in outside air or air inside the vehicle and supply it to the HVAC 1 . The blower unit 2 is normally installed on the passenger side (on the left side of the HVAC 1 for right-hand drive vehicles, and on the right side of the HVAC 1 for left-hand drive vehicles), and blows air to the HVAC 1 from the side.

The HVAC 1 has a case 3 which is formed by assembling together a plurality of divided cases. An opening 4 to which the blower unit 2 is connected is formed in the upstream portion of the case 3 , and in its interior are the differential blowout passage 6 , the face blowout passage 7 and the foot blowout passage 7 formed in the downstream portion of the case 3 . An air flow path 5 is formed that continues to the blowout flow path 8 . Immediately after the opening 4, an evaporator 9, which constitutes a refrigeration cycle (not shown) and circulates the refrigerant, is arranged in the air flow path 5, and the air sent from the blower unit 2 is heat-exchanged with the refrigerant. configured for cooling.

On the downstream side of the evaporator 9, the air flow path 5 is divided into a heating flow path 11 in which a heater core 10 through which engine cooling water is circulated and a bypass flow path 12 bypassing the heater core 10. The passage 11 and the bypass passage 12 are configured to circulate an air flow having a flow rate adjusted by an air mix damper 13 provided at the branch. After the heating flow path 11 and the bypass flow path 12 are merged in the air mix area 14 downstream of the air mix damper 13, the air mix area 14 is passed through to the differential blowout flow path 6, the face blowout flow path 7 and the foot flow path 7 on the downstream side thereof. It continues to the blow-out flow path 8 .

A differential/face damper 15 for opening and closing the differential blowout passage 6 and the face blowout passage 7 is rotatably provided between the differential blowout passage 6 and the face blowout passage 7 . At the entrance, a foot damper 16 is rotatably provided for opening and closing the foot blowout passage 8 and the passages leading to the differential blowout passage 6 and the face blowout passage 7 .

In this embodiment, three partition plates (not shown) are installed in the air flow path 5 downstream of the evaporator 9 in the longitudinal direction along the air flow direction, and the air flow path 5 downstream of the evaporator 9 is It is partitioned into four air flow paths 5A, 5B, 5C and 5D. As a result, the heating channel 11, the bypass channel 12, the air mix area 14, the face blowing channel 7, and the foot blowing channel 8, which are formed downstream of the evaporator 9 in the air channel 5, are each formed into four channels. divided into

That is, it is divided into heating channels 11A to 11D, bypass channels 12A to 12D, air mix areas 14A to 14D, face blowout channels 7A to 7D, and foot blowout channels 8A to 8D. It should be noted that the differential blowout passage 6 does not have to be divided into four passages in particular, and is divided into two left and right differential blowout passages 6A and 6B here.

The air flow path 5 is divided into four air flow paths 5A, 5B, 5C, and 5D, and the two air flow paths 5A and 5B in the center serve as flow paths for the right and left rear seats. , two air flow paths 5C and 5D on both sides are flow paths for the driver's seat and front passenger seat on the front seat side, and the downstream sides of the air flow paths 5A, 5B, 5C and 5D are divided into four flow paths. It is partitioned and communicates with the face blowout channels 7A to 7D and the foot blowout channels 8A to 8D.

The air mix damper 13, the differential/face damper 15 and the foot damper 16 correspond to the respective channels by dividing the air channel 5 into four channels on the downstream side of the evaporator 9, respectively. /Face dampers 15A to 15D and foot dampers 16A to 16D are divided and arranged.

The differential/face dampers 15A to 15D and the foot dampers 16A to 16D are opened and closed in conjunction with each other, and any blowing mode such as differential mode, face mode, foot mode, bilevel mode and differential/foot mode can be selected. there is As for the foot dampers 16A to 16D, the face mode, bi-level mode and foot mode can be independently selected for the four flow paths.

In addition, the air mix dampers 13 provided in the four air flow paths 5A to 5D are independently operable via a drive mechanism (not shown). The temperature of the air flow blown into the passenger compartment from the face outlets 22A, 22B, 22C, 22D, 24A, 24B and the foot outlets 26A, 26B, 28A, 28B provided corresponding to the four front, rear, left and right seats. can be adjusted individually.

As shown in FIGS. 1 and 2, ducts are connected to the differential outlet channels 6A and 6B, the face outlet channels 7A to 7D, and the foot outlet channels 8A to 8D of the HVAC 1, respectively. It communicates with an air outlet provided in the passenger compartment via the air outlet. Differential ducts 18A and 18B are connected to the differential outlet passages 6A and 6B, and the differential ducts 18A and 18B include two outlets 19A and 19B provided on the left and right sides corresponding to the windshield, and side outlets 19A and 19B. It communicates with two outlets 20A and 20B corresponding to the window glass.

Front face ducts 21A and 21B are connected to the front seat side face blowout channels 7C and 7D arranged on both sides of the four face blowout channels 7A to 7D. are communicated with the center and side face outlets 22A and 22B for the driver's seat and the center and side face outlets 22C and 22D for the front passenger seat. In addition, rear face ducts 23A and 23B are connected to the rear seat side face blowout passages 7A and 7B arranged in the central portion of the four face blowout passages 7A to 7D. , 23B communicate with face outlets 24A and 24B for the right and left rear seats.

Similarly, front foot ducts 25A and 25B are connected to the front foot outlets 8C and 8D arranged on both sides of the foot outlet ducts 8A to 8D. 25B communicates with a foot outlet 26A for the driver's seat and a foot outlet 26B for the passenger's seat. Further, rear foot ducts 27A and 27B are connected to the rear seat side foot blowout passages 8A and 8B arranged in the central portion of the foot blowout passages 8A to 8D. are communicated with foot outlets 28A and 28B for the right and left rear seats.

The front face ducts 21A, 21B and the front foot ducts 25A, 25B are extended in the horizontal direction and the vertical direction as they are from the face blowing channels 7C, 7D and the foot blowing channels 8A to 8D arranged on both sides of the HVAC 1. are arranged as follows. In the middle thereof, the rear face ducts 23A, 23B and the rear foot ducts 27A, 27B are stacked vertically and vertically from the face blowout passages 7A, 7B and the foot blowout passages 8A, 8B arranged in the center. It is extended in the vertical direction and the front-rear direction, and is arranged on the right and left seats on the rear seat side.

Next, with reference to FIGS. 4 to 6, a structure for mixing the air quality adjusting substance generated by the air quality adjusting section 30 with the air flow blown out from the face outlets 22A, 22B, 22C and 22D will be described. FIG. 4 is a partial enlarged view of the vicinity of the differential/face damper 15 shown in FIG. FIG. 5 is a top plan view of the differential outlet channel 6 and the face outlet channel 7 of the case shown in FIG. FIG. 6 is a cross-sectional view of the case 3 shown in FIG. 5 taken along the line AA. FIG. 4 is a cross-sectional view taken along line BB shown in FIG.

The face blow-out channel (front-side channel portion) 7 shown in FIG. to face outlets 22A, 22B, 22C, and 22D on the front side of the passenger compartment. Openings 7aA, 7aB, 7aC, and 7aD (collectively referred to as openings 7a) into which the air flows from the air mix area 14 flow are respectively provided in the face blowout channels 7A, 7B, 7C, and 7D. ing.

As shown in FIG. 5, the face blow-out channel 7A and the face blow-out channel 7B are separated by a partition plate 7E. The face blowout channel 7A and the face blowout channel 7C are separated by a partition plate 7F. The face blowout channel 7B and the face blowout channel 7D are separated by a partition plate 7G.

In addition, the differential/face damper 15 shown in FIG. 4 has a blocked state (a state indicated by broken lines in FIG. 4) in which the openings 7aA, 7aB, 7aC, and 7aD are closed, and a state in which the openings 7aA, 7aB, 7aC, and 7aD are opened. It switches between the distribution state (the state indicated by the solid line in FIG. 4).

As shown in FIGS. 4 and 5, the air quality adjusting substance generated by the air quality adjusting section 30 is applied to the region above the differential/face damper 15 and sandwiched between the face blow-out channel 7 and the differential blow-out channel 6. A chamber section (supply section) 40 for storing is arranged. The chamber part 40 has a chamber 41 that stores an air quality adjusting substance, and a supply port 42 that supplies the air quality adjusting substance from the chamber 41 to the face blowout channel 7 .

The chamber 41 is a member in which a pair of upper and lower plate-like members and a pair of left and right plate-like members are integrally formed, and forms a prismatic space extending in the vehicle width direction. Here, the vehicle width direction is the depth direction in FIG. 4 and the vertical direction in FIG.

As shown in FIG. 5, the supply ports 42 include a supply port 42A that supplies the air quality adjusting substance to the face blowout channel 7A, a supply port 42B that supplies the air quality adjusting substance to the face blowout channel 7B, and a face blowout channel. It has a supply port 42C for supplying the air quality adjusting substance to the flow channel 7C and a supply port 42D for supplying the air quality adjusting substance to the face blowing flow channel 7D.

As shown in FIGS. 4 to 6, the supply port 42A extends from the upstream side to the downstream side in the flow direction of the air flowing into the face blowout channel 7A from the opening 7aA (the direction indicated by the arrows in FIGS. 4 and 5). It has an inclined surface 42aA inclined so as to gradually narrow the flow path width of the face blowing flow path 7A toward the side. Similarly, the supply ports 42B, 42C, and 42D also extend from the upstream side toward the downstream side in the flow direction of the air flowing into the face blowout passages 7B, 7C, and 7D from the openings 7aB, 7aC, and 7aD. It has inclined surfaces 42aB, 42aC, and 42aD that are inclined so as to gradually narrow the flow path widths of 7B, 7C, and 7D. The inclined surface 42aA, the inclined surface 42aB, the inclined surface 42aC, and the inclined surface 42aD are collectively referred to as the inclined surface 42a.

As shown in FIG. 4, the inclined surface 42a of the present embodiment is a planar inclined surface that inclines at a constant gradient from the upstream side toward the downstream side in the direction of airflow circulation. may For example, it may be a curved inclined surface whose inclination angle gradually increases from the upstream side toward the downstream side in the direction of air flow. Alternatively, the inclined surface may be switched so that the inclination angle is increased or decreased stepwise from the upstream side toward the downstream side in the direction of airflow circulation.

As shown in FIGS. 4 and 5, the supply port 42A has an opening hole 42bA that communicates the face blowout channel 7A and the chamber 41 at the downstream end of the inclined surface 42aA in the direction of air flow. Similarly, the supply ports 42B, 42C, and 42D are also opening holes that communicate the face blowout channels 7B, 7C, and 7D with the chamber 41 at the ends of the inclined surfaces 42aB, 42aC, and 42aD on the downstream side in the direction of air flow. 42bB, 42bC, 42bD. The opening hole 42bA, the opening hole 42bB, the opening hole 42bC, and the opening hole 42bD are collectively referred to as the opening hole 42b.

The air quality adjusting unit 30 is a device that generates an air quality adjusting substance for adjusting the air quality of the airflow supplied to the vehicle interior. For example, the air quality adjustment unit 30 is an ion generator that generates ions by electric discharge. Ions as an air quality control substance surround and sterilize airborne bacteria in the air in the passenger compartment, or surround and deodorize odor components in the air in the passenger compartment. Further, for example, the air quality adjustment unit 30 is an ozone generator that generates ozone from oxygen in the air by electric discharge. Ozone, which is an air quality control substance, surrounds and sterilizes airborne bacteria in the air in the passenger compartment, or surrounds and deodorizes odorous components in the air in the passenger compartment.

Also, for example, the air quality adjustment unit 30 is an aromatic agent generator that generates an aromatic agent. An aromatic agent as an air quality adjusting substance fills the vehicle interior with the smell of the aromatic agent by dispersing in the interior of the vehicle. Further, as the air quality adjusting unit 30, a combination of two or more of the ion generator, the ozone generator, the fragrance generator and other air quality adjusting devices may be employed.

FIG. 5 shows an example in which the air quality adjustment unit 30 is installed on the side of the HVAC. The air quality adjusting unit 30 generates an air quality adjusting substance and guides the generated air quality adjusting substance to the chamber 41 of the chamber unit 40 . The chamber 41 stores the air quality adjusting substance generated by the air quality adjusting section 30 . The location where the air quality adjustment unit 30 is arranged is not limited to the example shown in FIG. 5, and may be installed at the center in the width direction of the vehicle or at the left end in the traveling direction of the vehicle.

In the above description, the supply port 42 has supply ports 42A, 42B, 42C, and 42D that supply the air quality adjusting substance to the face blowout channels 7A, 7B, 7C, and 7D, respectively. It may be in the form of For example, the supply ports 42C and 42D may be provided in the face blowout channels 7C and 7D, while the supply ports 42A and 42B may not be provided in the face blowout channels 7A and 7B.

In this case, the air quality adjusting substance is blown out from the face outlets 22A, 22B, 22C, and 22D arranged in front of the passenger compartment, while the air quality control substance is blown out from the face outlets 24A, 24B arranged in the rear part of the passenger compartment. Conditioning substance is not blown out. By doing so, the entire amount of the air quality adjusting substance can be blown out from the front to the rear of the passenger compartment, so that the air quality adjusting substance can be diffused more uniformly in the passenger compartment.

The operation and effects of the vehicle air conditioner 1 of the present embodiment described above will be described.
According to the vehicle air conditioner 1 of the present embodiment, the air quality adjusting substance generated by the air quality adjusting section 30 is mixed by the chamber section 40 with the airflow flowing into the face blowout passage 7 from the opening 7a. and guided to each of the plurality of face blow-out channels 7A, 7B, 7C, and 7D. Therefore, the air flow mixed with the air quality adjusting substance is blown out from each of the plurality of face outlets 22A, 22B, 22C, 22D, 24A, 24B in the passenger compartment to uniformly disperse the air quality adjusting substance in the passenger compartment. becomes possible.

In addition, a plurality of face blowout passages 7A, 7B, 7C, and 7D to which the air quality adjusting substance is supplied are arranged downstream of the opening 7a where the blocking state and the flow state are switched by the differential/face damper 15. . Therefore, the air quality adjusting substance can be supplied to the plurality of face blowout flow paths 7A, 7B, 7C, and 7D in either the blocking state or the flowing state. With this structure, even when the opening 7a is blocked by the differential/face damper 15, when the user determines that the air quality adjusting substance is necessary, the face outlets 22A, 22B, 22C, 22D, 24A, 24B can be supplied.

Further, according to the vehicle air conditioner 1 of the present embodiment, the chamber 41 that accommodates the air quality adjusting unit 30 extends in the vehicle width direction, so that the air quality adjusting substance is supplied to the chamber 41 that has a sufficient volume. can be stored. Also, the air quality adjusting substance stored in the chamber 41 can be supplied from the plurality of supply ports 42A, 42B, 42C, 42D to the plurality of face blowout channels 7A, 7B, 7C, 7D, respectively.

Further, according to the vehicle air conditioner 1 of the present embodiment, the inclined surface 42a of the supply port 42 extends the flow path width of the face blowout flow path 7 from the upstream side toward the downstream side in the direction of airflow circulation. It is slanted to gradually narrow. Therefore, the airflow flowing along the inclined surface 42a separates when passing through the downstream end of the inclined surface 42a to form a negative pressure region at the downstream end of the inclined surface 42a. Since the negative pressure area is formed in the vicinity of the opening hole 42b, the air quality regulating substance contained in the chamber 41 is attracted to the negative pressure area and led from the chamber 41 to the face blowout channel 7. As shown in FIG.

Further, according to the vehicle air conditioner 1 of the present embodiment, the air quality adjustment unit 30 includes, for example, an ion generator that generates ions, an ozone generator that generates ozone, and an aromatic agent generator that generates an aromatic agent. Either can be adopted. When the air quality adjusting unit is an ion generator, ions can be uniformly dispersed in the vehicle interior to disinfect or deodorize the air in the vehicle interior. Further, when the air quality control unit is an ozone generator, it is possible to uniformly disperse ozone in the vehicle interior to sterilize or deodorize the air in the vehicle interior. Further, when the air quality adjusting unit is an aromatic substance generator, the aromatic substance can be uniformly dispersed in the passenger compartment to fill the passenger compartment with the aromatic substance.

1 vehicle air conditioner 3 case 4 openings 5, 5A, 5B, 5C, 5D air flow paths 6, 6A, 6B differential blowout flow paths 7, 7A, 7B, 7C, 7D face blowout flow paths 7E, 7F, 7G Partition plates 7a, 7aA, 7aB, 7aC, 7aD Opening 9 Evaporator 10 Heater core 15, 15A, 15B, 15C, 15D Differential/face damper 21A, 21B Front face duct 22A, 22B, 22C, 22D, 24A, 24B Face outlet 30 air quality adjustment unit 40 chamber unit (supply unit)
41 chamber 42 supply port 42a inclined surface 42b opening hole

Claims (4)

an evaporator;
a heater core disposed downstream of the evaporator;
a blowout passage portion having a plurality of blowout passages for guiding the airflow, which is a mixture of the cold air that has passed through the evaporator and the warm air that has passed through the heater core, to a plurality of blowout ports that blow the airflow into the vehicle interior;
a damper that switches between a blocking state in which an opening through which the airflow flows into the blowout flow path is blocked and a circulation state in which the opening is opened;
an air quality adjustment unit that generates an air quality adjustment substance for adjusting the air quality of the airflow;
a supply unit that supplies the air quality adjustment substance generated by the air quality adjustment unit to the plurality of blowout flow paths so as to mix the air quality adjustment substance generated by the air quality adjustment unit with the air flow that has flowed into the blowout flow path from the opening;
The supply unit is
a chamber extending in the vehicle width direction and storing the air quality control substance generated by the air quality control unit;
a plurality of supply ports for supplying the air quality adjusting substance from the chamber through which the air flow does not circulate to each of the plurality of blowout channels through which the air flow circulates, thereby mixing the air quality regulating substance with the air flow; , a vehicle air conditioner. The plurality of blowout flow paths are arranged at intervals in the vehicle width direction,
2. The vehicle air conditioner according to claim 1, wherein said plurality of supply ports are arranged at intervals in said vehicle width direction so as to correspond to said plurality of blowout passages. The supply port is
an inclined surface that is inclined so as to gradually narrow the flow path width of the blow-out flow path from the upstream side toward the downstream side in the flow direction of the air flow that has flowed into the blow-out flow path from the opening;
3. The vehicle air conditioner according to claim 2, further comprising an opening hole that communicates between the blow-out passage and the chamber at an end portion of the inclined surface on the downstream side in the flow direction. 4. The air quality adjusting unit is at least one of an ion generator that generates ions, an ozone generator that generates ozone, and a fragrance generator that generates a fragrance. The vehicle air conditioner according to 1.

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