JP2021062729A - Air-conditioning system - Google Patents

Abstract

To provide an air-conditioning system which can diffuse air containing a volatile aromatic substance evenly to each occupant in a passenger compartment.SOLUTION: An air-conditioning system 50 includes: a first duct 51 which has a suction port 511 on a ceiling 40 at the front side of a vehicle 1; an air supply part 52 which is connected to the first duct 51, suctions air through the suction port 511, and discharges the air; a second duct 53 which is connected to the air supply part 52, has air outlets 531 at parts of the ceiling 40 above seats, and blows out the air discharged from the air supply part 52 through the air outlets 531 into a passenger compartment of the vehicle 1; an air cleaner 54 provided in the middle of a passage connecting the suction port 511 with the air outlets 531; and an aroma machine 55 which is provided in the middle of the passage connecting the suction port 511 with the air outlets 531 and volatilizes a volatile aromatic substance into air in the passage.SELECTED DRAWING: Figure 2

Description

The present invention relates to an air conditioning system.

Regarding vehicle air purifiers, the environment inside the vehicle is installed by attaching it to the ceiling directly above the driver's seat of the vehicle, impregnating the air sucked from the vehicle interior with a fan with volatile aromatic substances, and then blowing it into the vehicle interior. There is a known technique for improving the above (see, for example, Patent Document 1). In this technology, a porous grille impregnated with volatile aromatic substances is provided under the fan, a suction port for sucking air in the passenger compartment is provided around the porous grille, and an occupant in the passenger compartment is below the porous grille. By providing an air outlet that opens downward toward the face of the vehicle, the air inside the vehicle interior is circulated.

Japanese Unexamined Patent Publication No. 2008-30534

However, in Patent Document 1 described above, since the vehicle air purifier is provided on the ceiling directly above the front seat of the vehicle, the air flow of air containing a volatile aromatic substance is obstructed by the front seat, so that the vehicle It was not possible to uniformly diffuse air containing volatile aromatic substances to each occupant in the room.

The present invention has been made in view of the above, and an object of the present invention is to provide an air conditioning system capable of distributing air containing a volatile aromatic substance to each occupant in a vehicle interior.

The air-conditioning system according to the present invention is a vehicle air-conditioning system including a plurality of seats in which at least one seat can face forward or backward in the vehicle interior, and is between the ceiling of the vehicle and the exterior roof panel. A first duct that is arranged in the space, has a suction port for sucking air through an opening formed in the ceiling, and allows the air to flow to the rear of the vehicle, and the first duct in the space. An air supply unit that is connected to the duct and sucks and sends out the air from the first duct, and a plurality of flows of the air that is connected to the air supply unit in the space and is sent out from the air supply unit. A second duct that is distributed and circulated on the road, and has a plurality of outlets that blow out the air into the passenger compartment through openings formed above each of the plurality of seats in the ceiling. An air purifier provided in the middle of the flow path connecting the suction port and the air outlet, and an air purifier provided in the middle of the flow path connecting the suction port and the air outlet. It is equipped with an fragrance machine that volatilizes volatile fragrance substances into the air.

According to the present invention, it is possible to distribute air containing a volatile aromatic substance to each occupant in the vehicle interior.

FIG. 1 is a schematic view of the ceiling of a vehicle provided with the air conditioning system according to the embodiment as viewed directly from the passenger compartment. FIG. 2 is a schematic view of a main part of the air conditioning system according to the embodiment. FIG. 3 is a cross-sectional view taken along the line AA of FIG. FIG. 4 is a cross-sectional view taken along the line BB of FIG. FIG. 5 is a cross-sectional view taken along the line CC of FIG. FIG. 6 is a cross-sectional view taken along the line DD of FIG. FIG. 7 is a cross-sectional view taken along the line EE of FIG. FIG. 8 is a cross-sectional view taken along the line FF of FIG. FIG. 9 is a cross-sectional view taken along the line GG of FIG. FIG. 10 is a diagram schematically showing the flow of air blown out by the air conditioning system when the occupant is seated with the front seat facing forward of the vehicle. FIG. 11 is a diagram schematically showing the flow of air blown out by the air conditioning system when the occupant is seated with the front seat facing the rear of the vehicle. FIG. 12 is a schematic view of a main part of the air conditioning system according to the modified example of the embodiment.

Hereinafter, embodiments for carrying out the present invention (hereinafter, referred to as “embodiments”) will be described with reference to the accompanying drawings.

[Outline configuration of vehicle]
FIG. 1 is a schematic view of the ceiling of a vehicle provided with the air conditioning system according to the embodiment as viewed directly from the passenger compartment. FIG. 2 is a schematic view of a main part of the air conditioning system according to the embodiment, and is a schematic view of a state in which the exterior roof panel of the vehicle including the air conditioning system is removed. FIG. 3 is a cross-sectional view taken along the line AA of FIG. FIG. 4 is a cross-sectional view taken along the line BB of FIG. FIG. 5 is a cross-sectional view taken along the line CC of FIG. FIG. 6 is a cross-sectional view taken along the line DD of FIG. FIG. 7 is a cross-sectional view taken along the line EE of FIG. FIG. 8 is a cross-sectional view taken along the line FF of FIG. FIG. 9 is a cross-sectional view taken along the line GG of FIG. Note that FIG. 2 shows a state in which the exterior roof panel of the vehicle is removed, but FIGS. 3 to 9 show cross-sectional views in a state in which the exterior roof panel of the vehicle is attached. Further, in the following description, each direction such as front-back, up-down, left-right, etc. shall refer to the direction shown in each figure.

The vehicle 1 shown in FIGS. 1 to 9 has a vehicle body 10, two roof rails 20 provided on both left and right sides along the longitudinal direction of the vehicle body 10, and a frame 30 supported by the vehicle body 10 via two roof rails 20. And the ceiling 40 (low-flying) attached to the vehicle body 10 via the two roof rails 20 and the frame 30, and arranged between the exterior roof panel 11 and the ceiling 40 of the vehicle body 10 via the two roof rails 20 and the frame 30. The air conditioning system 50 is provided.

First, the roof rail 20 will be described. The roof rail 20 extends from the front pillar 12 of the vehicle body 10 toward the rear pillar 13 and is formed in a plate shape. One end of the roof rail 20 is joined to the front pillar 12 or the exterior roof panel 11 of the vehicle body 10 by welding or the like, and the other end is joined to the rear pillar 13 or the exterior roof panel 11 of the vehicle body 10 by welding or the like. Further, the roof rail 20 supports the frame 30 via a plurality of connecting members 21.

Next, the frame 30 will be described. The frame 30 includes a first frame member 31, a second frame member 32, a third frame member 33, and two fourth frame members 34.

The first frame member 31 is formed in a rectangular shape along the edge of the ceiling 40 of the vehicle body 10. The second frame member 32 is provided on the front side of the vehicle body 10, extends in the width direction of the vehicle body 10, and is joined to the inside of the first frame member 31. The third frame member 33 is provided on the rear side of the vehicle body 10, extends in the width direction of the vehicle body 10, and is joined to the inside of the first frame member 31. Each of the two fourth frame members 34 has a substantially C-shape, and both ends of one C-shape are joined to the first frame member 31 on the right side of the vehicle body 10, and both ends of the other C-shape are joined. It is joined to the first frame member 31 on the left side of the vehicle body 10.

A first support member 35 and two second support members 36 are joined to the second frame member 32. Further, two third support members 37 are joined to the third frame member 33. A predetermined portion of the air conditioning system 50 is attached to each of these support members.

Next, the ceiling 40 will be described. The ceiling 40 is attached to the vehicle body 10 via two roof rails 20, a frame 30, and the like. The ceiling 40 is formed with a first opening 41 and four second openings 42.

The first opening 41 has an elliptical shape provided in the center of the ceiling 40. The first opening 41 is provided with a first cover member 44 having an elliptical ring surface. Further, on the inner peripheral side of the first cover member 44, a second cover member 45 which is formed by using a member capable of diffusing light and functions as a part of the lighting device by being used with a light source (not shown). The air conditioning system 50 is provided with a suction port 511 for sucking air and a vehicle interior light 46 for illuminating the vehicle interior of the vehicle 1 when the door of the vehicle 1 is opened and closed.

The four second openings 42 are formed above each of the four seats provided in the vehicle 1. Specifically, the second openings 42 are formed at four locations on the front, rear, left and right of the ceiling 40 above each of the four seats provided in the vehicle 1. The second opening 42 has a slit shape extending in a direction parallel to the width direction of the vehicle body 10. Further, as shown in FIGS. 5 and 6, the second opening 42 is provided with a folded-back portion 421 that is formed by bending a part of the ceiling 40 upward and inclining it toward the front side of the vehicle 1. Has been done. The folded-back portion 421 is attached to the inner peripheral side of the air outlet 531 of the air conditioning system 50, which will be described later. Each of the four second openings 42 blows air from the air conditioning system 50 toward the vehicle interior.

Next, the air conditioning system 50 will be described. The air conditioning system 50 includes a first duct 51 (intake duct), an air supply unit 52, a second duct 53 (blower duct), an air purifier 54, and an aroma machine 55.

The first duct 51 is arranged in the space between the ceiling 40 of the vehicle 1 and the exterior roof panel 11, and has a suction port 511 for sucking air through the first opening 41 formed in the ceiling 40. Then, air is circulated to the rear of the vehicle 1. Further, the first duct 51 has a first flow path portion 512, a second flow path portion 513, a third flow path portion 514, and a fourth flow path portion 515. The first flow path portion 512 is connected to the suction port 511. The second flow path portion 513 is connected to the first flow path portion 512 and is connected to the fourth flow path portion 515. The third flow path portion 514 is connected to the first flow path portion 512 and is connected to the fourth flow path portion 515. The fourth flow path portion 515 is connected to each of the second flow path portion 513 and the third flow path portion 514, and is connected to the air supply section 52. Each of the first flow path portion 512, the second flow path portion 513, the third flow path portion 514, and the fourth flow path portion 515 is integrally formed by a joining method such as welding.

The suction port 511 is provided in the first opening 41 of the ceiling 40. Specifically, as shown in FIGS. 1 and 2, the suction port 511 is provided in the first opening 41 of the ceiling 40 on the front side of the vehicle body 10. Further, as shown in FIG. 3, the suction port 511 is formed so as to suck air toward the diagonally upper side of the vehicle 1 with respect to the horizontal direction.

Further, in the first duct 51, the cross-sectional area of the surface orthogonal to the air flow path is uniform along the flow path. For example, the cross-sectional area M1 of the first flow path portion 512 shown in FIG. 4 is the sum of the cross-sectional area M2 of the second flow path portion 513 shown in FIG. 9 and the cross-sectional area M3 of the third flow path portion 514. equal. As shown in FIG. 3, a space for accommodating a functional device having a predetermined function such as a lighting device is formed between the first duct 51 and the first support member 35. In order to form this space, the second flow path portion 513 and the third flow path portion 514 are formed at positions higher than the first flow path portion 512 and the fourth flow path portion 515. , This is just one example. For example, the heights of all the flow paths may be the same. Further, when the functional device is not installed, it is not necessary to branch into the second flow path portion 513 and the third flow path portion 514.

The air supply unit 52 is connected to the first duct 51 and the two second ducts 53 in the space between the ceiling 40 of the vehicle 1 and the exterior roof panel 11. The air supply unit 52 sucks in the air from the first duct 51 and sends it out to the two second ducts 53. The air supply unit 52 has an air blower fan 521 inside. The blower fan 521 is, for example, a sirocco fan.

The two second ducts 53 are provided symmetrically with respect to the center line passing through the longitudinal direction of the vehicle body 10. The second duct 53 is connected to the air supply unit 52 in the space between the ceiling 40 of the vehicle 1 and the exterior roof panel 11, and distributes the air sent out from the air supply unit 52 to a plurality of flow paths. Distribute. Further, the second duct 53 has an outlet 531 that blows air into the vehicle interior through any of the four second openings 42. Specifically, the second duct 53 is connected to a distribution unit 532 that distributes the air sent from the air supply unit 52 to a plurality of flow paths and a distribution unit 532, and is formed on the front side of the vehicle 1. The vehicle is connected to the first flow path 533 in which the air outlet 531a (hereinafter referred to as "front side air outlet 531a") for blowing air into the vehicle interior through the second opening 42 is formed, and the distribution unit 532. A second flow path 534 in which an air outlet 531b (hereinafter referred to as "rear side outlet 531b") for blowing air into the vehicle interior is formed through a second opening 42 formed on the rear side of 1. Has. Hereinafter, when the matters common to the front side air outlet 531a and the rear side air outlet 531b are explained, the air outlet 531 is used.

As shown in FIG. 2, the air outlet 531 has a slit shape extending in the width direction of the vehicle 1. Specifically, the air outlet 531 has a slit shape extending in a direction substantially parallel to the width direction of the vehicle 1. Here, the direction substantially parallel to the width direction of the vehicle 1 includes a direction in which a predetermined angle is inclined with respect to the width direction of the vehicle 1. As shown in FIGS. 5 and 6, the air outlet 531 is formed by being attached with the folded-back portion 421 of the second opening 42 of the ceiling 40 fitted inward. Further, each of the front side outlet 531a and the rear side outlet 531b is inclined with respect to the vertical direction and extends below the vehicle 1. Further, the inclination angle α1 formed by the direction in which the opening of the front side outlet 531a corresponding to the front seat of the vehicle 1 extends and the vertical direction is the opening of the rear side outlet 531b corresponding to the rear seat of the vehicle 1. Is smaller than the inclination angle α2 formed by the extending direction and the vertical direction (α1 <α2).

The air purifier 54 is provided in a flow path connecting the suction port 511 and the air outlet 531. Specifically, as shown in FIGS. 2 and 8, the air purifier 54 is provided on the side surface of the first duct 51. The air purifier 54 removes odors contained in the air flowing through the flow path and reduces viruses, bacteria, and the like. The air purifier 54 is configured by using a plasma ozone generator, a photocatalyst device, and the like. For example, when the air purifier 54 is configured by using the plasma ozone generator and the photocatalyst device, the photocatalyst device is provided on the flow path of the first duct 51 on the downstream side of the plasma ozone generator. As a result, the photocatalyst device can absorb the odor associated with the generation of plasma ozone by the plasma ozone generator.

The fragrance machine 55 is provided in the flow path connecting the suction port 511 and the air outlet 531. Specifically, as shown in FIG. 2, the fragrance machine 55 is detachably provided in the first duct 51 on the downstream side of the air purifier 54. The fragrance machine 55 volatilizes a volatile fragrance substance into the air cleaned by the air purifier 54. Here, the volatile aromatic substance is an aroma oil. Further, the fragrance machine 55 includes a container 551 for storing the volatile fragrance substance and a core member 552 for sucking up and volatilizing the volatile fragrance substance. In addition to the fragrance substance, a deodorant substance (for example, silver ion), an antioxidant substance, or the like may be contained as the substance that the fragrance machine 55 volatilizes in the air.

Next, the air blown out from the air conditioning system 50 will be described. FIG. 10 is a diagram schematically showing the flow of air blown out by the air conditioning system 50 when the occupant is seated with the front seat facing forward of the vehicle 1. FIG. 11 is a diagram schematically showing the flow of air blown out by the air conditioning system 50 when the occupant is seated with the front seat facing the rear of the vehicle 1. Hereinafter, the state shown in FIG. 10 will be described as a first state, and the state shown in FIG. 11 will be described as a second state.

In the first state shown in FIG. 10, the air conditioning system 50 blows the air A1 diagonally backward and downward from the front side air outlet 531a toward the occupant U1 seated on the front seat SH1. Further, in the second state shown in FIG. 11, the air conditioning system 50 blows out the air A1 of the front side outlet 531a toward the occupant U1 seated on the front seat SH1.

In the air conditioning system 50, the air A1 blown out by each of the front outlet 531a and the rear outlet 531b convects in the passenger compartment of the vehicle 1, so that the temperature in the passenger compartment after the start of the air conditioning system 50 becomes uniform. Time can be shortened as compared with the air conditioning system provided in the conventional instrument panel.

According to one embodiment described above, since each of the air purifier 54 and the fragrance machine 55 is provided in the flow path between the suction port 511 and the air outlet 531, it is volatile for each occupant in the vehicle interior. Air containing aromatic substances can be distributed.

Further, according to one embodiment, since the fragrance machine 55 is provided in the first duct 51 on the downstream side of the air purifier 54, the volatile fragrance substance can be volatilized in the clean air.

Further, according to one embodiment, since the fragrance machine 55 is detachable from the first duct 51, even when the volatile fragrance substance is exhausted, another fragrance machine 55 can be easily attached. Can be exchanged.

Further, according to one embodiment, since the fragrance machine 55 is detachable from the first duct 51, it is replaced with another fragrance machine 55 containing a volatile fragrance substance desired by an occupant in the vehicle interior. can do.

Further, according to one embodiment, since each of the air purifiers 54 is provided in the space between the ceiling 40 of the vehicle 1 and the exterior roof panel 11, the fragrance machine 55 is directed from the ceiling surface to the vehicle interior. The appearance of the ceiling 40 can be improved without making a large protrusion.

Further, according to one embodiment, a plurality of blowers in which the second duct 53 blows air into the vehicle interior through the second opening 42 formed above each of the four seats provided in the vehicle 1. Since it has an exit 531 it is possible to blow air even to a occupant seated in the rearward direction of the vehicle 1.

Further, according to one embodiment, since the air purifier 54 is provided in the middle of the flow path connecting the suction port 511 and the air outlet 531, the clean air is sent to the occupant U1 of the vehicle 1. Can be blown out.

Further, according to one embodiment, since the air outlet 531 has a slit shape extending in parallel with the width direction of the vehicle 1, the opening area of the ceiling 40 can be reduced, so that the appearance of the ceiling 40 is improved. can do.

Further, according to one embodiment, since the air outlet 531 is inclined with respect to the vertical direction and extends below the vehicle 1, the air A1 obliquely downward can be applied to the occupant U1.

Further, according to one embodiment, the inclination angle α1 of the front side outlet 531a corresponding to the front seat of the vehicle 1 at the outlet 531 is from the inclination angle α2 of the rear side outlet 531b corresponding to the rear seat of the vehicle 1. Since it is small, the air A1 can be applied to the occupant U1 seated on the front seat SH1 regardless of the state of the front seat SH1.

Further, according to one embodiment, since the suction port 511 is formed toward the upper side of the vehicle 1 with respect to the horizontal direction, the air A1 blown out from the air conditioning system on the front panel can be efficiently sucked.

Further, according to one embodiment, since the cross-sectional area of the surface of the first duct 51 orthogonal to the flow path of the air A1 is uniform along the flow path, the air flowing in the first duct 51 The flow velocity can be kept constant.

In one embodiment, the aroma machine 55 was removable from the first duct 51, but the present invention is not limited to this, and for example, a tube connected to the container 551 of the aroma machine 55 and a tube. By providing a supply pump for supplying the volatile aroma substance supplied from the supply port provided in the vehicle 1 to the container 551 via this tube, the container 551 of the aroma machine 55 is provided with the volatile aroma substance. May be supplied.

(Modification example)
Next, a modified example of one embodiment will be described. The same components as those of the vehicle 1 according to the above-described embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

[Outline configuration of air conditioning system]
FIG. 12 is a schematic view showing the configuration of a main part of the air-conditioning system according to the modified example of the embodiment, and is a schematic view of a state in which the exterior roof panel of the vehicle including the air-conditioning system is removed. The air conditioning system 50A shown in FIG. 12 includes a plurality of fragrance machines 55A instead of the fragrance machine 55 according to the above-described embodiment.

The fragrance machine 55A is a flow path in the first duct 51 on the downstream side of the air purifier 54, and is detachably provided in each of the plurality of flow paths in the second duct 53. Specifically, the fragrance machine 55A is provided in the first flow path 533 in which the front side outlet 531a for blowing air into the vehicle interior is formed through the second opening 42 formed on the front side of the vehicle 1. Detachable. Further, the fragrance machine 55A is detachably attached to and detachable from the second flow path 534 in which the rear side outlet 531b for blowing air into the vehicle interior is formed through the second opening 42 formed on the rear side of the vehicle 1. Provided.

According to the modification of the embodiment described above, since the fragrance machine 55A is provided in the second duct 53 connected to each of the front side outlet 531a or the rear side outlet 531b, it is seated on the seat. Air containing the scent desired by the occupant can be blown out for each seat close to the front side air outlet 531a or the rear side air outlet 531b.

Further, according to the modification of one embodiment, since the fragrance machine 55A is detachable from the second duct 53, even if the volatile fragrance substance is exhausted, another fragrance machine 55 Can be easily replaced.

Further effects and variations can be easily derived by those skilled in the art. The broader aspects of the invention are not limited to the particular details and typical embodiments described and described above. Therefore, various modifications can be made without departing from the spirit or scope of the general concept of the invention as defined by the accompanying claims and their equivalents.

1 ... Vehicle, 10 ... Body, 11 ... Exterior roof panel, 12 ... Front pillar, 13 ... Rear pillar, 20 ... Roof rail, 21 ... Connection member, 30 ... Frame, 31 ... First frame member, 32 ... Second frame Members, 33 ... 3rd frame member, 34 ... 4th frame member, 35 ... 1st support member, 36 ... 2nd support member, 37 ... 3rd support member, 40 ... ceiling, 41 ... 1st Opening, 42 ... 2nd opening, 43 ... 3rd opening, 44 ... 1st cover member, 45 ... 2nd cover member, 46 ... Lighting device, 50, 50A, ... Air conditioning system, 51 ... 1st Duct, 52 ... Air supply part, 53 ... Second duct, 54 ... Air purifier, 55, 55A ... Fragrance machine, 421 ... Folded part, 511 ... Suction port, 512 ... First flow path part, 513 ... Second flow path, 514 ... Third flow path, 515 ... Fourth flow path, 521 ... Blower fan, 331 ... Outlet, 532 ... Branch, 533 ... First flow path, 534 ... Second flow path, 551 ... container, 552 ... core member, A1 ... air conditioner, SH1 ... front seat, U1 ... occupant

Claims (4)

A vehicle air conditioning system that includes multiple seats and allows at least one seat to face forward or backward in the vehicle interior.
A first unit that is arranged in a space between the ceiling of the vehicle and the exterior roof panel, has a suction port for sucking air through an opening formed in the ceiling, and allows the air to flow to the rear of the vehicle. Duct and
An air supply unit that is connected to the first duct in the space and sucks in and sends out the air from the first duct.
A second duct connected to the air supply unit in the space and distributing and circulating the air sent out from the air supply unit to a plurality of flow paths, and each of the plurality of sheets on the ceiling. A second duct having a plurality of outlets for blowing the air into the passenger compartment through an opening formed above the
An air purifier provided in the flow path connecting the suction port and the air outlet,
An fragrance machine provided in a flow path connecting the suction port and the air outlet to volatilize a volatile aromatic substance in the air.
To prepare
Air conditioning system. The fragrance machine
Provided in the flow path on the downstream side of the air purifier.
The air conditioning system according to claim 1. The fragrance machine
Each of the plurality of flow paths in the second duct is provided.
The air conditioning system according to claim 1 or 2. The fragrance machine
Detachable with respect to the first duct or the second duct,
The air conditioning system according to any one of claims 1 to 3.

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