CN215765399U - Indoor air conditioner - Google Patents

Abstract

The utility model discloses an indoor air conditioner, comprising: the shell is provided with an air outlet; the heat exchanger is arranged in the shell; the air treatment device is arranged in the shell and is a fresh air device and/or a purification device; the air mixing device is arranged in the shell, one end of the air mixing device is communicated with the air treatment device, the other end of the air mixing device is arranged at the air outlet, and the other end of the air mixing device correspondingly surrounds the peripheral area of the air outlet and is provided with an air mixing outlet communicated with the air outlet. The other end through mixing the wind device corresponds around the peripheral region at the air outlet, so not only can reach the effect of mixing the wind, opens at indoor air conditioner moreover or closes mix the wind mode after, mixes the wind device and can not influence the wind after the heat exchanger heat transfer and pass through the air outlet to the air-out effect that makes the wind after the heat exchanger heat transfer is better, promotes the air-out efficiency of the wind after the heat exchanger heat transfer.

Description

Indoor air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an indoor air conditioner.

Background

At present, for the air conditioner, the user has developed from the initial temperature regulation of concern to the experience of more paying attention to comfortable health, and the cold and hot wind direct-blow user of traditional room air conditioner, although the indoor temperature of relatively quick change, partial user has the not good experience such as easily cold or joint is uncomfortable.

In the prior art, a plurality of indoor air conditioners integrate a fresh air device and a purification device, but the air outlet of the fresh air device and the purification device is not subjected to heat exchange treatment, so that the problem of over-cold temperature exists in winter, and the problem of over-high temperature exists in summer. Through setting up the device that mixes the wind, mix the air-out of new trend device and purifier with the air-out of heat exchanger, can solve during winter, the air-out temperature of new trend device and purifier is low, and the problem that the air-out temperature is high after the room air conditioner heats also can be solved when the heat, the air-out temperature of new trend device and purifier is high, and the problem that the air-out temperature is low after the room air conditioner heats.

However, the arrangement of the air mixing device is unreasonable, so that a better air mixing effect cannot be provided, and the air mixing device can still block an air outlet for heat exchange air outlet after the indoor air conditioner is in a closed air mixing mode, so that the heat exchange efficiency of the indoor air conditioner is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the indoor air conditioner provided by the utility model can achieve the air mixing effect and can also avoid the air after the heat exchange of the heat exchanger, so that the air outlet effect of the air after the heat exchange of the heat exchanger is better, and the air outlet efficiency of the air after the heat exchange of the heat exchanger is improved.

An indoor air conditioner according to the present invention includes: a housing provided with an air outlet; a heat exchanger disposed within the housing; the air treatment device is arranged in the shell and is a fresh air device and/or a purification device; the air mixing device is arranged in the shell, one end of the air mixing device is communicated with the air treatment device, the other end of the air mixing device is arranged at the air outlet, and the other end of the air mixing device correspondingly surrounds the peripheral area of the air outlet and is provided with an air mixing outlet communicated with the air outlet.

According to the indoor air conditioner, the other end of the air mixing device correspondingly surrounds the peripheral area of the air outlet, so that the air mixing effect can be achieved, and the air mixing device cannot influence the air after heat exchange of the heat exchanger to pass through the air outlet after the air mixing mode of the indoor air conditioner is opened or closed, so that the air outlet effect of the air after heat exchange of the heat exchanger is better, and the air outlet efficiency of the air after heat exchange of the heat exchanger is improved.

In some examples of the utility model, the wind mixing device comprises: one end of the first air mixing channel is communicated with the air treatment device; and one end of the second air mixing channel is communicated with the first air mixing channel, the second air mixing channel is annular, and the second air mixing channel surrounds the peripheral area of the air outlet and is provided with the air mixing outlet.

In some examples of the present invention, the second air mixing channel is provided at an inner circumferential surface thereof with a plurality of air mixing outlets, and the plurality of air mixing outlets are spaced apart from each other at the inner circumferential surface of the second air mixing channel.

In some examples of the utility model, the number of the wind mixing outlets on the upper half of the second wind mixing channel is greater than the number of the wind mixing outlets on the lower half of the second wind mixing channel; and/or the aperture of the wind mixing outlet positioned on the upper half part of the second wind mixing channel is larger than that of the wind mixing outlet positioned on the lower half part of the second wind mixing channel.

In some examples of the present invention, the wind mixing outlets on the upper half of the second wind mixing channel are uniformly distributed and have a distance d1, the wind mixing outlets on the lower half of the second wind mixing channel are uniformly distributed and have a distance d2, and d1 and d2 satisfy the following relation: d1 < d 2.

In some examples of the utility model, the wind mixing device comprises: the front shell is arranged on the front side of the rear shell, the lower parts of the front shell and the rear shell form the first air mixing channel, and the upper parts of the front shell and the rear shell form at least one part of the second air mixing channel.

In some examples of the utility model, the front shell and the rear shell are formed with ventilation holes, the front shell is opened at a position corresponding to the ventilation holes, and the rear shell is provided with a baffle plate at a position corresponding to the ventilation holes; the wind mixing device further comprises: a wind circle, the wind circle includes: the outer frame set up in the outward flange department of wind circle main part, the outer frame set up in preceding shell corresponds the position of vent department, be provided with a plurality of separating muscle on the outer frame, the outer frame with the baffle sets up relatively, and is a plurality of separating the muscle with the baffle is injectd a plurality ofly mix the wind export.

In some examples of the utility model, a baffle is arranged at the connection between the first wind mixing channel and the second wind mixing channel.

In some examples of the utility model, the baffles are at least two and include: first guide plate and second guide plate, first mix the wind passageway with two lateral walls of second mix the wind passageway junction set to the orientation and keep away from each other direction slope setting, first guide plate with the second guide plate is located two between the lateral wall and with the homonymy lateral wall parallel arrangement.

In some examples of the utility model, the inner surface of the wind mixing device is adhered with an insulating layer.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an indoor air conditioner according to an embodiment of the present invention;

fig. 2 is an exploded view of an indoor air conditioner according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the air mixing device;

FIG. 4 is an exploded view of the air mixing device;

fig. 5 is a schematic structural view of the wind ring.

Reference numerals:

an indoor air conditioner 1;

a housing 10; an air outlet 11; an air treatment device 20; a wind mixing device 30;

a mixed air outlet 31; a first air mixing channel 32; a second air mixing channel 33;

a front shell 34; a rear case 35; a baffle 350; a vent hole 36; a wind ring 37;

a windband body 370; an outer frame 371; a partition rib 372; a baffle 38;

a first baffle 380; a second deflector 381; a side wall 39.

Detailed Description

Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.

A room air conditioner 1 according to an embodiment of the present invention will now be described with reference to fig. 1-5, the room air conditioner 1 being a cabinet air conditioner indoor unit.

As shown in fig. 1 and 2, an indoor air conditioner 1 according to an embodiment of the present invention includes: a housing 10, a heat exchanger (not shown), an air treatment device 20 and a wind mixing device 30. The casing 10 can serve as a shield and protection against damage caused by contact between the components in the room air conditioner 1 and foreign objects. The heat exchanger can exchange heat with indoor air, so that the refrigerating and heating functions of the indoor air conditioner 1 can be realized. The air treatment device 20 may then filter and purify the air so that the air passing into the room is fresher and healthier. And the air-out of mixing wind device 30 can mix with the wind after the heat exchanger heat transfer to make indoor air conditioner 1's air-out temperature more even and suitable, and then promote user's experience and feel.

As shown in fig. 1 and 2, the casing 10 is provided with an air outlet 11, and the heat exchanger is disposed in the casing 10, so that the air after heat exchange by the heat exchanger can be discharged to the indoor through the air outlet 11, thereby reducing or increasing the indoor temperature. Air treatment device 20 sets up in casing 10, and air treatment device 20 is new trend device and/or purifier, that is to say, air treatment device 20 can discharge the new trend, and the new trend is outdoor wind after filtration purification, also can discharge clean wind, and clean wind is indoor wind after filtration purification, and of course, air treatment device 20 also can discharge new trend and clean wind simultaneously, and it is more convenient to set up like this, can select the air inlet mode of room air conditioner 1 through adjusting air treatment device 20.

As shown in fig. 1 and 2, the air mixing device 30 is disposed in the casing 10, one end of the air mixing device 30 is communicated with the air processing device 20, the other end of the air mixing device 30 is disposed at the air outlet 11, and the other end of the air mixing device 30 is disposed with an air mixing outlet 31 communicated with the air outlet 11. So, air treatment device 20 exhaust wind can pass through and mix wind device 30, then through mixing wind export 31 and air outlet 11 and discharging indoor, wherein, through mixing wind device 30 exhaust wind and not passing through the heat transfer, will mix wind device 30 exhaust wind and the wind mixture after the heat exchanger heat transfer, can make indoor air conditioner 1's air-out temperature more even and suitable, and then promote user's experience and feel.

In addition, as shown in fig. 1 and fig. 2, the other end of the air mixing device 30 correspondingly surrounds the peripheral area of the air outlet 11, and the arrangement is such that the air mixing effect can be achieved, and after the air mixing mode of the indoor air conditioner 1 is opened or closed, the air mixing device 30 cannot influence the air after heat exchange of the heat exchanger to pass through the air outlet 11, so that the air outlet effect of the air after heat exchange of the heat exchanger is better, and the air outlet efficiency of the air after heat exchange of the heat exchanger is improved.

As shown in fig. 2 to 4, the air mixing device 30 includes: a first air mixing channel 32 and a second air mixing channel 33, wherein one end of the first air mixing channel 32 is communicated with the air processing device 20, one end of the second air mixing channel 33 is communicated with the first air mixing channel 32, the second air mixing channel 33 is annular, the second air mixing channel 33 surrounds the peripheral area of the air outlet 11, and the second air mixing channel 33 is provided with an air mixing outlet 31.

One end of the first air mixing passage 32 is communicated with the air treatment device 20, so that the air discharged from the air treatment device 20 can enter the first air mixing passage 32, one end of the second air mixing passage 33 is communicated with the first air mixing passage 32, and the second air mixing passage 33 is provided with an air mixing outlet 31, so that the air discharged from the air treatment device 20 can enter the second air mixing passage 33 from the first air mixing passage 32 and be discharged from the air mixing outlet 31. The second mixes wind passageway 33 and is the annular, and the second mixes wind passageway 33 around in the peripheral region of air outlet 11, sets up like this and can make the air-out of mixing wind device 30 distribute in the peripheral region of air outlet 11, so can increase the air-out scope of mixing wind device 30, and the air-out that also is convenient for mix wind device 30 like this mixes with the wind after the heat exchanger heat transfer in addition to the air-out temperature that makes room air conditioner 1 is more even and suitable, and then promotes user's experience and feels.

Further, as shown in fig. 3, a plurality of air mixing outlets 31 are provided on the inner peripheral surface of the second air mixing passage 33, and the plurality of air mixing outlets 31 are provided at intervals on the inner peripheral surface of the second air mixing passage 33. Be provided with a plurality of outlets 31 that mix at the inner peripheral surface of second passageway 33 that mixes, the wind that so passes through mixing wind device 30 can discharge through a plurality of outlets 31 that mix, can not influence the wind after the heat exchanger heat transfer like this moreover and pass through air outlet 11 to the air-out effect that makes the wind after the heat exchanger heat transfer is better, promotes the air-out efficiency of the wind after the heat exchanger heat transfer. And a plurality of mixed wind export 31 mix the inner peripheral surface interval setting of wind passageway 33 at the second, can separately set up a plurality of mixed wind exports 31 like this, make the air-out of mixing wind device 30 distribute in the periphery region of air outlet 11 to can increase the air-out scope of mixing wind device 30, the air-out of also being convenient for mixing wind device 30 mixes with the wind after the heat exchanger heat transfer.

Alternatively, the number of the wind mixing outlets 31 in the upper half of the second wind mixing channel 33 is greater than the number of the wind mixing outlets 31 in the lower half of the second wind mixing channel 33, and/or the aperture of the wind mixing outlets 31 in the upper half of the second wind mixing channel 33 is greater than the aperture of the wind mixing outlets 31 in the lower half of the second wind mixing channel 33. Because the wind mixing device 30 is when the air-out, the wind pressure of the second wind mixing channel 33 the latter half is bigger than, and the wind pressure of the upper half is smaller than, the quantity of the wind mixing outlet 31 of the upper half of the second wind mixing channel 33 is more than the quantity of the wind mixing outlet 31 of the second wind mixing channel 33 the latter half, or the aperture of the wind mixing outlet 31 of the upper half of the second wind mixing channel 33 is more than the aperture of the wind mixing outlet 31 of the lower half of the second wind mixing channel 33, thus the air output of the upper half of the second wind mixing channel 33 can be improved, thereby the air output of the upper half and the lower half of the second wind mixing channel 33 can be balanced, further the air-out of the wind mixing device 30 is more uniform, and the mixing effect of the air-out of the wind mixing device 30 and the air after heat exchange of the heat exchanger is improved.

Alternatively, the wind mixing outlets 31 in the upper half of the second wind mixing channel 33 are uniformly distributed, the distance between the wind mixing outlets 31 in the upper half of the second wind mixing channel 33 is d1, the wind mixing outlets 31 in the lower half of the second wind mixing channel 33 are uniformly distributed, the distance between the wind mixing outlets 31 in the lower half of the second wind mixing channel 33 is d2, and d1 and d2 satisfy the following relation: d1 < d 2.

That is to say, the distance between the wind mixing outlets 31 located at the upper half of the second wind mixing channel 33 is smaller than the distance between the wind mixing outlets 31 located at the lower half of the second wind mixing channel 33, and because the wind mixing outlets 31 located at the upper half and the lower half of the second wind mixing channel 33 are uniformly distributed, it can be known that the number of the wind mixing outlets 31 located at the upper half of the second wind mixing channel 33 is greater than the number of the wind mixing outlets 31 located at the lower half of the second wind mixing channel 33, so that the wind output of the upper half of the second wind mixing channel 33 can be increased, the wind output of the upper half and the lower half of the second wind mixing channel 33 can be balanced, and the wind mixing outlets 31 are uniformly distributed, so that the wind output uniformity of the wind mixing device 30 can be further increased.

According to an alternative embodiment of the present invention, as shown in fig. 4, the wind mixing device 30 includes: a front case 34 and a rear case 35, the front case 34 being disposed at a front side of the rear case 35, lower portions of the front case 34 and the rear case 35 constituting the first air mixing passage 32, and upper portions of the front case 34 and the rear case 35 constituting at least a portion of the second air mixing passage 33. The front case 34 is disposed at the front side of the rear case 35, so that the wind mixing device 30 can be formed as a whole, which facilitates the installation of the wind mixing device 30. The lower parts of the front shell 34 and the rear shell 35 form a first air mixing channel 32, so that the lower parts of the front shell 34 and the rear shell 35 are communicated with the air treatment device 20, air in the air treatment device 20 enters the air mixing device 30, and the upper parts of the front shell 34 and the rear shell 35 form at least one part of a second air mixing channel 33, so that the air in the air mixing device 30 can be discharged through the upper parts of the front shell 34 and the rear shell 35 and is mixed with the air after heat exchange of the heat exchanger, and an air mixing effect is generated. And this also facilitates the installation and connection of the wind mixing device 30, which can effectively form the mixed wind.

Specifically, as shown in fig. 4 and 5, the front shell 34 and the rear shell 35 are formed with vent holes 36, the front shell 34 is disposed to be open at a position corresponding to the vent holes 36, the rear shell 35 is disposed with a baffle 350 at a position corresponding to the vent holes 36, and the air mixing device 30 further includes: the air ring 37, the air ring 37 includes: the outer frame 371 is arranged at the outer edge of the air ring main body 370, the outer frame 371 is arranged at the position, corresponding to the vent hole 36, of the front shell 34, the outer frame 371 is provided with a plurality of separating ribs 372, the outer frame 371 is arranged opposite to the baffle 350, and the plurality of air mixing outlets 31 are limited by the plurality of separating ribs 372 and the baffle 350.

The front casing 34 and the rear casing 35 are formed with vent holes 36, so that both the wind in the wind mixing device 30 and the wind after heat exchange by the heat exchanger can pass through the vent holes 36 and be discharged to the indoor from the wind outlet 11. The position of the rear shell 35 corresponding to the vent hole 36 is provided with a baffle 350, and the baffle 350 can play a role in blocking, so that the leakage of wind in the wind mixing device 30 is avoided. Outer frame 371 sets up in the outer edge of leeway main part 370, and outer frame 371 sets up in the position that preceding shell 34 corresponds ventilation hole 36 department, outer frame 371 can install in preceding shell 34 and correspond ventilation hole 36 department like this, be provided with a plurality of separating muscle 372 on outer frame 371 again, separating muscle 372 sets up towards backshell 35, and outer frame 371 sets up with baffle 350 relatively, a plurality of wind outlets 31 that mix are injectd with baffle 350 to a plurality of separating muscle 372, that is to say, a plurality of wind outlets 31 that mix set up in the junction of a plurality of separating muscle 372 and baffle 350, and be connected for dismantling between preceding shell 34 and the backshell 35, be convenient for a plurality of wind outlets 31's of mixing processing and demolding like this. The plurality of air mixing outlets 31 may be provided in the front case 34, the rear case 35, or both the front case 34 and the rear case 35.

Optionally, as shown in fig. 4, a baffle 38 is disposed at a connection between the first wind mixing channel 32 and the second wind mixing channel 33. The guide plate 38 is arranged at the joint between the first air mixing channel 32 and the second air mixing channel 33, and the guide plate 38 can play a role in guiding air, so that air in the air mixing device 30 can better enter the second air mixing channel 33 from the first air mixing channel 32, and the guide plate 38 can also play a role in flow equalization, so that the air volume entering the second air mixing channel 33 is more uniform.

Of course, as shown in fig. 4, there are at least two baffles 38, and the baffles 38 include: the first guide plate 380 and the second guide plate 381, the two side walls 39 at the connection of the first wind mixing channel 32 and the second wind mixing channel 33 are arranged to incline towards the direction far away from each other, the first guide plate 380 and the second guide plate 381 are located between the two side walls 39, and the first guide plate 380 and the second guide plate 381 are arranged in parallel with the side walls 39 on the same side.

The number of the guide plates 38 is at least two, so that a better flow guiding effect can be achieved, the two side walls 39 at the joint of the first air mixing channel 32 and the second air mixing channel 33 are arranged to incline towards directions far away from each other, so that the two side walls 39 can be better connected to the second air mixing channel 33, and an installation space can be reserved for the first guide plate 380 and the second guide plate 381, the first guide plate 380 and the second guide plate 381 are located between the two side walls 39, and the first guide plate 380 and the second guide plate 381 are arranged in parallel with the side walls 39 on the same side, so that air flows respectively between the first guide plate 380 and the side walls 39 on the same side, and between the second guide plate 381 and the side walls 39 on the same side, so that a better guiding effect can be achieved, air inlet volumes on two sides are the same, and a flow equalizing effect is achieved.

In addition, the inner surface of the air mixing device 30 is adhered with a heat insulation layer. When the air flow passes through the inner surface of the air mixing device 30, the temperature of the inner surface of the air mixing device 30 is possibly too low, and condensation phenomenon is easy to occur after the air flow is cooled, and the heat insulation layer is attached to the inner surface of the air mixing device 30 and can keep the inner surface of the air mixing device 30 at a certain temperature, so that condensation phenomenon cannot occur when the air flow passes through the inner surface of the air mixing device 30. The heat preservation layer can be sponge etc. material, and the heat preservation layer can paste the internal surface at mixing wind device 30 through the adhesive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An indoor air conditioner, comprising:

a housing provided with an air outlet;

a heat exchanger disposed within the housing;

the air treatment device is arranged in the shell and is a fresh air device and/or a purification device;

the air mixing device is arranged in the shell, one end of the air mixing device is communicated with the air treatment device, the other end of the air mixing device is arranged at the air outlet, and the other end of the air mixing device correspondingly surrounds the peripheral area of the air outlet and is provided with an air mixing outlet communicated with the air outlet.

2. A room air conditioner according to claim 1, wherein said air mixing means comprises:

one end of the first air mixing channel is communicated with the air treatment device;

and one end of the second air mixing channel is communicated with the first air mixing channel, the second air mixing channel is annular, and the second air mixing channel surrounds the peripheral area of the air outlet and is provided with the air mixing outlet.

3. A room air conditioner according to claim 2, wherein a plurality of air mixing outlets are provided on an inner peripheral surface of the second air mixing passage, and the plurality of air mixing outlets are provided at intervals on the inner peripheral surface of the second air mixing passage.

4. A room air conditioner according to claim 3, wherein the number of said air mixing outlets in the upper half of said second air mixing passage is greater than the number of said air mixing outlets in the lower half of said second air mixing passage; and/or

The aperture of the wind mixing outlet positioned on the upper half part of the second wind mixing channel is larger than that of the wind mixing outlet positioned on the lower half part of the second wind mixing channel.

5. The indoor air conditioner as claimed in claim 4, wherein the air mixing outlets on the upper half of the second air mixing passage are uniformly distributed and spaced at d1, the air mixing outlets on the lower half of the second air mixing passage are uniformly distributed and spaced at d2, and d1 and d2 satisfy the following relations: d1 < d 2.

6. A room air conditioner according to claim 2, wherein said air mixing means comprises: the front shell is arranged on the front side of the rear shell, the lower parts of the front shell and the rear shell form the first air mixing channel, and the upper parts of the front shell and the rear shell form at least one part of the second air mixing channel.

7. An indoor air conditioner according to claim 6, wherein the front casing and the rear casing are formed with ventilation holes, the front casing is opened at a position corresponding to the ventilation holes, and the rear casing is provided with a baffle plate at a position corresponding to the ventilation holes;

the wind mixing device further comprises: a wind circle, the wind circle includes: the outer frame set up in the outward flange department of wind circle main part, the outer frame set up in preceding shell corresponds the position of vent department, be provided with a plurality of separating muscle on the outer frame, the outer frame with the baffle sets up relatively, and is a plurality of separating the muscle with the baffle is injectd a plurality ofly mix the wind export.

8. A room air conditioner according to claim 2, wherein a baffle is provided at a junction between the first air mixing passage and the second air mixing passage.

9. A room air conditioner according to claim 8, wherein said baffles are at least two and include: first guide plate and second guide plate, first mix the wind passageway with two lateral walls of second mix the wind passageway junction set to the orientation and keep away from each other direction slope setting, first guide plate with the second guide plate is located two between the lateral wall and with the homonymy lateral wall parallel arrangement.

10. An indoor air conditioner according to claim 1, wherein an insulating layer is attached to an inner surface of the air mixing device.

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