CN214468960U

CN214468960U - Air conditioner indoor unit and air conditioning system

Info

Publication number: CN214468960U
Application number: CN202120431518.6U
Authority: CN
Inventors: 单联瑜
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-22
Anticipated expiration: 2031-02-25

Abstract

The invention discloses an air conditioner indoor unit and an air conditioning system. The air conditioner indoor unit comprises a shell component, a heat exchanger and a sterilization component; the housing assembly is provided with a containment chamber. The heat exchanger is arranged in the accommodating cavity and forms a heat exchange gap with the shell component, and the heat exchanger comprises two end parts which are oppositely arranged along the length direction of the heat exchanger. The sterilizing component comprises a sterilizing lamp, the sterilizing lamp is arranged in the accommodating cavity and is arranged towards the heat exchange gap and the heat exchanger, and the irradiation direction of the sterilizing lamp is arranged towards the direction from one end part to the other end part. This machine and air conditioning system in air conditioning can disinfect to the heat exchanger comprehensively, is favorable to promoting the air quality.

Description

Air conditioner indoor unit and air conditioning system

Technical Field

The disclosure relates to the technical field of air conditioners, in particular to an air conditioner indoor unit and an air conditioning system.

Background

At present, along with the improvement of production level, people have stronger and stronger requirements on healthy air in relatively closed spaces such as rooms. The internal parts of the indoor unit of the air conditioner cannot be cleaned frequently, and the long-term accumulation of bacteria can affect the indoor air quality.

Although traditional some air conditioning indoor opportunities set up sterilizing equipment, it mainly disinfects to the gas of input air conditioning indoor set, can't compromise the sterilization of heat exchanger, leads to some bacterium can be in the local dead angle position gathering of heat exchanger, is unfavorable for promoting air quality.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air conditioning indoor unit and air conditioning system can disinfect the heat exchanger comprehensively, is favorable to promoting the air quality.

The technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, an air conditioner indoor unit is provided, which includes a casing assembly, a heat exchanger, and a sterilization assembly; the shell component is provided with a containing cavity; the heat exchanger is arranged in the accommodating cavity and forms a heat exchange gap with the shell component, and the heat exchanger comprises two end parts which are oppositely arranged along the length direction of the heat exchanger; the sterilizing component comprises a sterilizing lamp, the sterilizing lamp is arranged in the accommodating cavity and is arranged towards the heat exchange gap and the heat exchanger, and the irradiation direction of the sterilizing lamp is arranged towards the direction from one end part to the other end part.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

by arranging the sterilizing component, the sterilizing lamp is arranged in the accommodating cavity and is arranged towards the heat exchange gap and the heat exchanger, and the irradiation direction of the sterilizing lamp is arranged towards the direction from one end part to the other end part, so that the sterilizing light generated by the sterilizing lamp can cover the length direction of the heat exchanger, and further bacteria adhered to the length direction of the heat exchanger can be comprehensively killed in time; and meanwhile, the heat exchange gap can be sterilized. So, when this air conditioning indoor set was operated, when utilizing the bactericidal lamp to disinfect to the air that flows through the heat exchanger, also can be to gluing on the heat exchanger to the bacterium towards the heat transfer clearance carries out comprehensive killing, is favorable to promoting the air quality, makes this air conditioning indoor set of this disclosure can be for the high-quality healthy air that people provided steadily for a long time.

The technical solution is further explained below:

in one embodiment, the germicidal lamp is cylindrical.

In one embodiment, the number of the germicidal lamps is at least two, at least one germicidal lamp is arranged close to one end, and at least one germicidal lamp is arranged close to the other end and irradiates in the direction opposite to that of the germicidal lamp arranged at the one end.

In one embodiment, the air conditioning indoor unit further comprises a support assembly, the support assembly is at least partially arranged in the accommodating cavity, and the germicidal lamp is arranged in the accommodating cavity through the support assembly.

In one embodiment, the number of the germicidal lamps is at least two, the supporting assembly comprises a volute and an electric control box which are arranged at two ends of the heat exchanger at intervals, at least one germicidal lamp is arranged on the volute, and at least one germicidal lamp is arranged on the electric control box and is opposite to the irradiating direction of the germicidal lamp arranged on the volute.

In one embodiment, the support assembly is disposed adjacent to the end portion and spaces the germicidal lamp from the heat exchanger in a depth direction of the receiving chamber.

In one embodiment, the support assembly is removably coupled to the germicidal lamp.

In one embodiment, the germicidal assembly includes a base, the germicidal lamp is disposed on the base, the base includes a connector disposed outside the germicidal lamp, and the connector is connected to the support assembly.

In one embodiment, the air conditioning indoor unit further comprises a fastener, and the connecting body is screwed and fixed on the support assembly through the fastener.

According to a second aspect of the embodiments of the present disclosure, there is also provided an air conditioning system including an outdoor unit and an indoor unit of an air conditioner in any of the embodiments.

this air conditioning system has adopted above-mentioned air conditioning indoor set, and then can provide more healthy air for people, is favorable to promoting product competitiveness.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

Brief description of the drawingsthe accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not intended to limit the disclosure.

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural view of an air conditioning indoor unit shown in an embodiment.

Fig. 2 is an enlarged schematic view of a shown in fig. 1.

Fig. 3 is a schematic structural view of the sterilization assembly shown in fig. 2.

Fig. 4 is an exploded view of the indoor unit of the air conditioner shown in fig. 1.

Fig. 5 is an assembly view of internal components of the air conditioning indoor unit shown in fig. 4.

Fig. 6 is an assembly view of the internal components of the air conditioning indoor unit shown in fig. 5 from another view angle.

FIG. 7 is a cross-sectional view of an assembly structure of the germicidal lamp and the support assembly in one embodiment.

Description of reference numerals:

10. an air-conditioning indoor unit; 100. a housing assembly; 110. a container cavity; 112. a heat exchange gap; 200. a heat exchanger; 210. an end portion; 300. a sterilization assembly; 310. a germicidal lamp; 320. a base; 322. a linker; 324. a through hole; 400. a support assembly; 410. a volute; 420. an electronic control box; 430. an internally threaded bore; 500. a fastener.

Detailed Description

For the purpose of making the purpose, technical solutions and advantages of the present disclosure more apparent, the present disclosure will be described in further detail below with reference to the accompanying drawings and detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the disclosure, are intended for purposes of illustration only and are not intended to limit the scope of the disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein in the description of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

As environmental temperature adjusting equipment for indoor and other closed spaces, the air conditioning system occupies an increasingly important position in the life of people, and how to provide healthy air with air quality and temperature becomes a problem which is more and more emphasized by air conditioning system manufacturers. The air conditioning system is various in types and brands at present, so that a plurality of air conditioning systems can be selected by consumers, how to provide high-quality air for the users is achieved, the favor of the consumers is obtained, the product competitiveness is improved, and the problem that manufacturers of the air conditioning systems attach more and more importance is solved.

However, although some conventional indoor air conditioners are provided with a sterilization device, the sterilization device is mainly used for sterilizing the air input into the indoor air conditioner, and the sterilization of the heat exchanger cannot be considered at the same time, so that some bacteria can be gathered at local dead angles of the heat exchanger. The air-conditioning indoor unit cannot be cleaned frequently, so that the service life of the air-conditioning indoor unit is long, bacteria gathered at local dead angle positions of the heat exchanger can be taken away by air flowing through the heat exchanger, and the quality of the air output by the air-conditioning indoor unit can be reduced.

Therefore, the air conditioner indoor unit can comprehensively sterilize the heat exchanger, is beneficial to improving the air quality, and can stably provide high-quality healthy air for people for a long time.

The air-conditioned room of the present disclosure will be explained with reference to the drawings.

Fig. 1 to 6 are structural views of an air conditioning indoor unit according to an embodiment. Fig. 1 is a schematic structural diagram of an air conditioning indoor unit shown in an embodiment. Fig. 2 is an enlarged schematic view of a shown in fig. 1. Fig. 3 is a schematic structural view of the sterilization assembly shown in fig. 2. Fig. 4 is an exploded view of the indoor unit of the air conditioner shown in fig. 1. Fig. 5 is an assembly view of internal components of the air conditioning indoor unit shown in fig. 4. Fig. 6 is an assembly view of the internal components of the air conditioning indoor unit shown in fig. 5 from another view angle.

The air-conditioning indoor unit 10 of the embodiment of the present disclosure includes a casing assembly 100, a heat exchanger 200, and a sterilization assembly 300; the housing assembly 100 is provided with a receiving cavity; the heat exchanger 200 is disposed in the accommodating cavity and forms a heat exchange gap 112 with the housing assembly 100, and the heat exchanger 200 includes two end portions 210 oppositely disposed along the length direction thereof; the germicidal assembly 300 includes a germicidal lamp 310, the germicidal lamp 310 is disposed in the receiving cavity and faces the heat exchanging gap 112 and the heat exchanger 200, and an irradiation direction of the germicidal lamp 310 is toward one end 210 to the other end 210.

According to the air-conditioning indoor unit 10, the sterilizing component 300 is arranged, the sterilizing lamp 310 is arranged in the accommodating cavity and is arranged towards the heat exchange gap 112, and the irradiation direction of the sterilizing lamp 310 is arranged towards the direction from one end 210 to the other end 210, so that the sterilizing light generated by the sterilizing lamp 310 can cover the length direction of the heat exchanger 200, and further bacteria adhered to the length direction of the heat exchanger 200 can be completely sterilized in time; while sterilizing the heat exchanging gap 112. Thus, when the indoor unit 10 of the air conditioner is operated, the germicidal lamp 310 is used to sterilize the air flowing through the heat exchanger 200, and at the same time, bacteria adhered to the heat exchanger 200, especially bacteria facing the heat exchanging gap 112, can be completely killed, that is, when the air flows through the heat exchanging gap 112, active bacteria are reduced or not brought in, which is beneficial to improving the air quality. Since the germicidal lamp 310 of the air conditioning indoor unit 10 of the present disclosure can completely kill the side wall of the heat exchanger 200 forming the heat exchanging gap 112, the accumulation of bacteria on the heat exchanging gap 112 can be reduced or avoided, and the air conditioning indoor unit 10 of the present disclosure can stably provide high-quality healthy air for people for a long time. That is, the air conditioning indoor unit 10 of the present disclosure can provide high-quality healthy air to a user stably for a long period of time without frequent cleaning.

The sterilization assembly 300 may further include a device for further performing sterilization, such as a negative ion generator, in addition to the germicidal lamp 310.

In addition, the germicidal lamp 310 of the present disclosure includes, but is not limited to, an ultraviolet lamp, and other lamps with germicidal function may also be used. Such as a lamp which is matched with the photocatalyst sterilization coating for sterilization.

In some embodiments, as shown in FIG. 3, the germicidal lamp 310 is cylindrical. And further, the assembly space of the sterilizing assembly 300 can be reduced, and the space utilization rate can be improved.

In some embodiments, there are at least two germicidal lamps 310, and at least one germicidal lamp 310 is disposed near one of the end portions 210, and at least one germicidal lamp 310 is disposed near the other end portion 210 and illuminates in a direction opposite to the direction of illumination of the germicidal lamp 310 disposed at the one end portion 210. Thus, at least one germicidal lamp 310 is arranged in the direction of each of the two end portions 210 of the heat exchanger 200 to sterilize the heat exchanger 200, which is beneficial to improving the sterilization efficiency; at the same time, at least double protection can be formed, so as to prevent one of the germicidal lamps 310 from being damaged and unable to sterilize.

The germicidal lamp 310 may be disposed on the housing assembly 100 by various means, as long as the radiation direction of the germicidal lamp 310 is toward one of the end portions 210 to the other end portion 210, so as to completely kill the heat exchanger 200 in the length direction.

Such as directly on the inside walls of the housing assembly 100.

Alternatively, in some embodiments, as shown in fig. 2 and fig. 3, the indoor unit 10 of the air conditioner further includes a support assembly 400, the support assembly 400 is at least partially disposed in the accommodating cavity, and the germicidal lamp 310 is disposed in the accommodating cavity through the support assembly 400. In this way, the germicidal lamp 310 is disposed by the support assembly 400, so that the germicidal lamp 310 is more conveniently mounted, and the assembly efficiency of the indoor unit 10 of the air conditioner is improved.

If the supporting assembly 400 is a supporting frame, the germicidal lamp 310 can be placed on the supporting frame in advance, and then the position of the germicidal lamp can be adjusted.

Alternatively, the supporting member 400 is an internal component of the indoor unit 10 of the air conditioner. In this way, the germicidal lamp 310 may be assembled to the internal components in advance, and the internal components are assembled to the casing assembly 100 while the germicidal lamp 310 is installed, which is beneficial to improving the assembling efficiency of the indoor unit 10 of the air conditioner.

Including but not limited to a volute 410 or an electronic control box 420.

It should be noted that the volute 410 is a protective shell of the fresh air assembly, and can provide external air for the indoor unit of the air conditioner, and further can provide air with richer oxygen content for indoor and other enclosed spaces.

It should be noted that the "electrical control box 420" is a protection box of an electrical control element of the air conditioner indoor unit, such as an interactively used control box.

As shown in fig. 4 to 6, in an exemplary embodiment, there are at least two germicidal lamps 310, the support assembly 400 includes a volute 410 and an electric control box 420, the volute 410 and the electric control box are disposed at two ends of the heat exchanger 200 at intervals, at least one germicidal lamp 310 is disposed in the volute 410, and at least one germicidal lamp 310 is disposed in the electric control box 420 and irradiates in a direction opposite to that of the germicidal lamp 310 disposed in the volute 410. In this way, at least one germicidal lamp 310 is assembled to the scroll casing 410, at least one germicidal lamp 310 is assembled to the electrical control box 420, and the installation of at least two germicidal lamps 310 is realized while the scroll casing 410 and the electrical control box 420 are assembled to the housing assembly 100, which is beneficial to improving the assembly efficiency of the air conditioning indoor unit 10 of the present disclosure; that is, the germicidal lamp 310 may be assembled on the assembly line of the fresh air component and on the assembly line of the electronic control box 420; and on the complete machine assembly production line of the air conditioner indoor unit, the assembly of the germicidal lamp is not needed, and compared with the traditional technology, the assembly efficiency is higher. Meanwhile, at least one germicidal lamp 310 is arranged at the two end portions 210 of the heat exchanger 200, so that the heat exchanger 200 is sterilized, the improvement of the sterilization efficiency is facilitated, and the phenomenon that one germicidal lamp 310 is damaged and cannot be sterilized can be avoided.

In some embodiments, as shown in fig. 5 or 6, the support assembly 400 is disposed adjacent to the end portion 210 and spaces the germicidal lamp 310 from the heat exchanger 200 in a depth direction of the receiving chamber. In this manner, the germicidal lamp 310 can be positioned as close as possible to the heat exchanger 200 with enough emitting space to better irradiate germicidal light onto the heat exchanger 200. Meanwhile, it is convenient to flexibly adjust the distance between the germicidal lamp 310 and the heat exchanger 200 in the longitudinal direction according to the model of the germicidal lamp.

In some embodiments, the support assembly 400 is removably coupled to the germicidal lamp 310. In this manner, later replacement and maintenance of the germicidal lamp 310 is facilitated.

It should be noted that the support assembly 400 is "detachably connected" to the germicidal lamp 310 by means including, but not limited to, a snap-fit connection, a screw-on fastening, etc.

In some embodiments, as shown in fig. 3, the germicidal assembly 300 includes a base 320, the germicidal lamp 310 is disposed on the base 320, the base 320 includes a connecting body 322 disposed outside the germicidal lamp 310, and the connecting body 322 is connected to the support assembly 400. Thus, the germicidal lamp 310 can be assembled to the base 320 in a modular manner and connected to the support assembly 400 by the connector 322, which is beneficial to reducing the implementation cost of the germicidal lamp 310. Meanwhile, the base 320 and the germicidal lamp 310 are used together, so that the germicidal assembly 300 can be assembled into a sold indoor unit 10 of an air conditioner to improve the germicidal effect. Meanwhile, the adjustment of the production line can be reduced, which is beneficial to reducing the manufacturing cost of the indoor unit 10 of the air conditioner.

In some embodiments, as shown in fig. 7, the air conditioning indoor unit 10 further includes a fastening member 500, and the connection body 322 is screwed to the support assembly 400 by the fastening member 500. In this manner, the germicidal lamp 310 may be secured to the support assembly 400 using fasteners 500, such as screws or bolts.

The germicidal lamp 310 may be secured to the support assembly 400 without the use of holes, such as with screws.

In one exemplary embodiment, the fastener 500 is a bolt, the connecting body 322 is provided with a through hole 324, and the support assembly 400 is provided with an internally threaded hole 430 that is threadedly engaged with the bolt.

It should be noted that the "connecting body 322" may be a part of the base 320, that is, the "connecting body 322" and the "other part of the base 320" are integrally formed; the connecting body 322, which is a separate component from the other parts of the base 320, can be manufactured separately and combined with the other parts of the base 320, such as the body of the germicidal lamp 310, to form a whole.

Equivalently, the "body" and the "certain part" can be parts of the corresponding "component", i.e., the "body" and the "certain part" are integrally manufactured with other parts of the "component"; the "part" can be made separately from the "other part" and then combined with the "other part" into a whole. The expression "a certain body" or "a certain portion" in the present disclosure is only one example, and is not intended to limit the scope of the present disclosure, so long as the above features are included and the same function is understood to be equivalent to the present disclosure.

It should be noted that the "base 320" may be one of the parts of the module "germicidal assembly 300", that is, the "germicidal assembly may be assembled with other components of the germicidal assembly, such as the germicidal lamp 310", to form a module, and then the module may be assembled modularly, or may be directly integrated with the housing of the germicidal lamp 310; the sterilization assembly can also be relatively independent from other components of the sterilization assembly, such as a sterilization lamp, and can be respectively installed, namely the sterilization assembly and other components of the protective shell form a whole in the device.

Equivalently, the components included in the disclosure and the assemblies can be flexibly combined, i.e., the components can be produced in a modularized manner according to the actual situation and can be assembled in a modularized manner as an independent module; the modules may be assembled separately, and one module may be constructed in the present apparatus. The division of the above-mentioned components in the present disclosure is only one embodiment, which is convenient for reading and not limiting the scope of protection of the present disclosure, and the technical solutions equivalent to the present disclosure should be understood as if they are included and the functions are the same.

In another embodiment of the present disclosure, an air conditioning system is provided, which includes an outdoor unit and an indoor unit of an air conditioner in any of the above embodiments.

So, this air conditioning system has adopted above-mentioned air conditioning indoor set, and then can provide healthier air for people for a long time, more can obtain consumer's favor, is favorable to promoting this disclosed air conditioning system's product competitiveness.

Meanwhile, the air conditioning system can provide cooling air flow or heating air flow for a user and can also provide outdoor air to improve the oxygen content of indoor air by arranging the outdoor unit.

In the description of the present disclosure, it is to be understood that the terms "center," "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 present disclosure and to simplify the description, but 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 present disclosure.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include at least one of the feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.

In the present disclosure, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show several embodiments of the present disclosure, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present disclosure, and these changes and modifications are all within the scope of the present disclosure.

Claims

1. An indoor unit of an air conditioner, comprising:

a housing assembly provided with a containment chamber;

the heat exchanger is arranged in the accommodating cavity and forms a heat exchange gap with the shell component, and the heat exchanger comprises two end parts which are oppositely arranged along the length direction of the heat exchanger; and

the sterilizing component comprises a sterilizing lamp, the sterilizing lamp is arranged in the accommodating cavity and faces the heat exchange gap to the heat exchanger, and the irradiation direction of the sterilizing lamp faces one of the end parts to the other end part.

2. An indoor unit of an air conditioner according to claim 1, wherein the germicidal lamp has a cylindrical shape.

3. An indoor unit of an air conditioner according to claim 1, wherein there are at least two of said germicidal lamps, and at least one of said germicidal lamps is disposed near one of said end portions, and at least one of said germicidal lamps is disposed near the other of said end portions, and is irradiated in a direction opposite to that of the germicidal lamp disposed at said one of said end portions.

4. The indoor unit of any one of claims 1 to 3, further comprising a support member at least partially disposed in the accommodating chamber, wherein the germicidal lamp is disposed in the accommodating chamber through the support member.

5. An indoor unit of an air conditioner as claimed in claim 4, wherein the number of the germicidal lamps is at least two, the support assembly comprises a volute and an electric control box which are arranged at two ends of the heat exchanger at intervals, at least one germicidal lamp is arranged at the volute, and at least one germicidal lamp is arranged at the electric control box and irradiates in the opposite direction to the germicidal lamp arranged at the volute.

6. An indoor unit of an air conditioner according to claim 4, wherein the support member is provided near the end portion, and the germicidal lamp and the heat exchanger are provided at a distance in a depth direction of the accommodating chamber.

7. An indoor unit of an air conditioner according to claim 4, wherein the support member is detachably connected to the germicidal lamp.

8. An indoor unit of an air conditioner according to claim 4, wherein the germicidal assembly includes a base, the germicidal lamp is disposed on the base, the base includes a connector disposed outside the germicidal lamp, and the connector is connected to the support assembly.

9. The indoor unit of claim 8, further comprising a fastening member, wherein the connection body is threadedly fastened to the support member by the fastening member.

10. An air conditioning system comprising an outdoor unit and the indoor unit of an air conditioner according to any one of claims 1 to 9.