CN213300274U - Air conditioner - Google Patents

Abstract

The utility model discloses an air conditioner, air conditioner includes: a body; a heat exchanger; the sterilization pipe is arranged on the windward side of the heat exchanger, a first injection hole group and a second injection hole group which are arranged at intervals along the circumferential direction of the sterilization pipe are formed on the sterilization pipe, the first injection hole group comprises a plurality of first injection holes, the plurality of first injection holes face one end of the heat exchanger, the second injection hole group comprises a plurality of second injection holes, and the plurality of second injection holes face the other end of the heat exchanger; the stopper is movably arranged on the sterilization tube along the circumferential direction of the sterilization tube, the stopper can move between a first position and a second position, the stopper covers the plurality of second injection holes when the stopper is located at the first position, and the stopper covers the plurality of first injection holes when the stopper is located at the second position. According to the utility model discloses an air conditioner, the occupation space that removes the fungus pipe is less, can increase the effective heat transfer area of heat exchanger windward side, avoids disturbing the windward wind field of heat exchanger, guarantees that air conditioner has better refrigeration effect.

Description

Air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner technique and specifically relates to an air conditioner is related to.

Background

During the use process of the air conditioner, various germs can be bred on the fins of the heat exchanger of the indoor unit of the air conditioner, and the germs can be conveyed indoors along with air flow, so that the health of a user is influenced. In order to solve this problem, the heat exchanger needs to be sterilized and disinfected. In the related art, the structure for sterilizing and disinfecting the heat exchanger is complex, the effective heat exchange area of the windward side of the heat exchanger can be reduced, and the windward field of the heat exchanger is disturbed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an air conditioner, the air conditioner is when realizing the disinfection of disinfecting of heat exchanger, and simple structure can increase the effective heat transfer area of heat exchanger windward side, avoids disturbing the windward wind field of heat exchanger.

According to the utility model discloses air conditioner, include: a body; the heat exchanger is arranged in the machine body; the sterilizing pipe is arranged on the windward side of the heat exchanger, a first injection hole group and a second injection hole group which are arranged at intervals along the circumferential direction of the sterilizing pipe are formed on the sterilizing pipe, the first injection hole group comprises a plurality of first injection holes which are arranged at intervals along the length direction of the sterilizing pipe, the first injection holes face one end of the heat exchanger, the second injection hole group comprises a plurality of second injection holes which are arranged at intervals along the length direction of the sterilizing pipe, and the second injection holes face the other end of the heat exchanger; the stopper is movably arranged on the sterilization tube along the circumferential direction of the sterilization tube, the stopper can move between a first position and a second position, the stopper opens the plurality of first injection holes and covers the plurality of second injection holes when the stopper is located at the first position, and the stopper covers the plurality of first injection holes and opens the plurality of second injection holes when the stopper is located at the second position.

According to the utility model discloses the air conditioner, set up through the windward side at the heat exchanger and remove the fungus pipe, and make and remove and be formed with the first injection punch combination that sets up along the circumference interval that removes the fungus pipe including a plurality of first injection holes and the second injection punch combination that includes a plurality of second injection holes and a plurality of first injection holes towards the one end of heat exchanger on the fungus pipe, a plurality of second injection holes are towards the other end of heat exchanger, when realizing the disinfection of disinfecting of whole heat exchanger, the occupation space that removes the fungus pipe is less, can increase the effective heat transfer area of heat exchanger windward side, avoid the windward wind field of disturbing the heat exchanger, when the air conditioner refrigerates, can guarantee that the air conditioner has better refrigeration effect. Moreover, through setting up and establishing fender piece and fender piece on removing the fungus pipe movably along the circumference of removing the fungus pipe between the first position of opening a plurality of first injection holes and covering a plurality of second injection holes and the second position of covering a plurality of first injection holes and opening a plurality of second injection holes, can shelter from a plurality of first injection holes or a plurality of second injection holes according to the high temperature steam degerming demand of heat exchanger, thereby can realize the disinfection of disinfecting of the different parts of heat exchanger, avoid influencing the degerming effect because the reposition of redundant personnel is uneven, and keep off the simple structure of piece, and easy to realize.

According to some embodiments of the invention, the first set of injection holes and the second set of injection holes are along a radial direction of the degerming pipe.

According to some embodiments of the utility model, it is a plurality of first jet orifice is followed the even interval of length direction of degerming pipe is arranged, and is a plurality of the second jet orifice is followed the even interval of length direction of degerming pipe is arranged.

According to some embodiments of the utility model, every first jet orifice is round hole, slotted hole, oval hole or polygon hole, every the second jet orifice is round hole, slotted hole, oval hole or polygon hole.

According to some embodiments of the invention, the stopper covers at least one of an inner surface and an outer surface of the sterilization tube.

According to some embodiments of the present invention, the stopper and the sterilization tube are coaxially disposed, and the shape of the stopper is adapted to the shape of the sterilization tube.

According to some embodiments of the invention, the stopper is provided on a side of the sterilization tube remote from the heat exchanger.

According to some embodiments of the invention, the stopper extends from the first end to the second end of the sterilization tube.

According to some embodiments of the invention, the two ends of the degerming pipe extend to two sides of the heat exchanger respectively.

Additional aspects and advantages of the invention 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 invention.

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 a heat exchanger and a degerming pipe of an air conditioner according to an embodiment of the present invention;

FIG. 2 is a schematic view of another angled configuration of the heat exchanger and degerming tube shown in FIG. 1;

FIG. 3 is an enlarged view of portion A circled in FIG. 2;

FIG. 4 is a schematic cross-sectional view of a heat exchanger and a degerming tube according to an embodiment of the present invention;

FIG. 5 is a schematic view of the sterilization tube and the stop when the stop is in the first position;

FIG. 6 is a schematic view of the sterilization tube and the stop when the stop is in the second position.

Reference numerals:

1: a heat exchanger; 2: a sterilization tube; 21: a first injection hole group;

211: a first injection hole; 22: a second injection hole group;

221: a second injection hole; 3: a stopper.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

An air conditioner according to some embodiments of the present application includes an air conditioner indoor unit installed in an indoor space. The indoor unit, i.e., the indoor unit, is connected to an outdoor unit, i.e., the outdoor unit, installed in an outdoor space through a pipe. The outdoor unit of the air conditioner may be provided with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like for a refrigeration cycle, and the indoor unit of the air conditioner may be provided with an indoor heat exchanger and an indoor fan.

An air conditioner according to an embodiment of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1 and 2, an air conditioner according to an embodiment of the present invention includes a body (not shown), a heat exchanger 1, a sterilizing pipe 2, and a stopper 3.

Specifically, the heat exchanger 1 is provided in the body, and the degerming pipe 2 is provided on the windward side of the heat exchanger 1. Note that "the windward side of the heat exchanger 1" means the side of the heat exchanger 1 located upstream of the airflow in the flow direction of the airflow.

The sterilization pipe 2 is formed with a first injection hole group 21 and a second injection hole group 22 which are arranged at intervals in the circumferential direction of the sterilization pipe 2, the first injection hole group 21 includes a plurality of first injection holes 211 which are arranged at intervals in the longitudinal direction of the sterilization pipe 2, the plurality of first injection holes 211 face one end (e.g., the upper end in fig. 2) of the heat exchanger 1, the second injection hole group 22 includes a plurality of second injection holes 221 which are arranged at intervals in the longitudinal direction of the sterilization pipe 2, and the plurality of second injection holes 221 face the other end (e.g., the lower end in fig. 2) of the heat exchanger 1. In the description of the present invention, "a plurality" means two or more.

For example, in the example of FIGS. 1 and 3, the first injection hole group 21 faces the upper end of the heat exchanger 1, and the second injection hole group 22 faces the lower end of the heat exchanger 1. When the sterilizing tube 2 is operated, the plurality of first injection holes 211 may inject the high-temperature steam upward to achieve sterilization of an upper portion of the heat exchanger 1, and the plurality of second injection holes 221 may inject the high-temperature steam downward to achieve sterilization of a lower portion of the heat exchanger 1. From this, degerming pipe 2 is when realizing the disinfection of disinfecting of whole heat exchanger 1, and occupation space is less, can reduce the windward windage of heat exchanger 1 windward side to can increase the effective heat transfer area of heat exchanger 1 windward side, avoid disturbing heat exchanger 1's windward field, when the air conditioner refrigeration, can guarantee that the air conditioner has better refrigeration effect. Moreover, the degerming pipe 2 is simple in structure, convenient to process and low in cost.

Referring to fig. 3, 5 and 6, the stopper 3 is movably disposed on the sterilization tube 2 along the circumferential direction of the sterilization tube 2, the stopper 3 is movable between a first position and a second position, the stopper 3 opens the plurality of first injection holes 211 and covers the plurality of second injection holes 221 when the stopper 3 is located at the first position, and the stopper 3 covers the plurality of first injection holes 211 and opens the plurality of second injection holes 221 when the stopper 3 is located at the second position.

For example, in the example of fig. 3 and 5, when the upper portion of the heat exchanger 1 needs sterilization, the barrier 3 may move to the first position, and at this time, the high-temperature steam may be sprayed upwards through the plurality of first spraying holes 211, and when flowing through the windward side surface of the heat exchanger 1, the high-temperature steam may be condensed when encountering the heat exchanger 1 having a relatively low temperature, and may release latent heat during the condensation, and the latent heat may kill germs attached to the surface of the heat exchanger 1, such as common germs of escherichia coli, streptococcus, staphylococcus, and influenza virus, thereby achieving sterilization of the upper portion of the heat exchanger 1. Referring to fig. 6, when the lower portion of the heat exchanger 1 requires sterilization, the stopper 3 may be moved from the first position to the second position, and the high-temperature steam may be downwardly injected through the plurality of second injection holes 221, thereby performing sterilization of the lower portion of the heat exchanger 1. When the upper part and the lower part of the heat exchanger 1 both need sterilization and disinfection and the steam demand of the upper part and the lower part are different, for example, the steam demand of the upper part of the heat exchanger 1 is large and the steam demand of the lower part is small, the stopper 3 can move between the first position and the second position to block one part of the plurality of second injection holes 221 according to the steam demand ratio of the upper part and the lower part of the heat exchanger 1. From this, keep off 3 through setting up foretell, can shelter from a plurality of first injection holes 211 or a plurality of second injection hole 221 according to the high temperature steam degerming demand of heat exchanger 1 to can realize the disinfection of disinfecting of heat exchanger 1 different parts, can avoid influencing the degerming effect because the reposition of redundant personnel is uneven, and keep off 3's simple structure, easily realize.

According to the utility model discloses the air conditioner, set up through the windward side at heat exchanger 1 and remove fungus pipe 2, and make and remove and be formed with on the fungus pipe 2 along removing the first injection hole group 21 of the first injection hole 211 of a plurality of and including the second injection hole group 22 of a plurality of second injection holes 221 that the circumference interval of fungus pipe 2 set up and a plurality of first injection hole group 211 towards the one end of heat exchanger 1, a plurality of second injection holes 221 are towards the other end of heat exchanger 1, when realizing the disinfection of disinfecting of whole heat exchanger 1, the occupation space that removes fungus pipe 2 is less, can increase the effective heat transfer area of heat exchanger 1 windward side, avoid disturbing heat exchanger 1's windward wind field, when the air conditioner is refrigerated, can guarantee that the air conditioner has better refrigeration effect. Moreover, through setting up and setting up the fender piece 3 that sets up on degerming pipe 2 along the circumference of degerming pipe 2 movablely and keeping off piece 3 and can move between the first position of opening a plurality of first injection holes 211 and covering a plurality of second injection holes 221 and covering a plurality of first injection holes 211 and opening a plurality of second injection holes 221, can shelter from a plurality of first injection holes 211 or a plurality of second injection holes 221 according to the high temperature steam degerming demand of heat exchanger 1, thereby can realize the disinfection and isolation of heat exchanger 1 different parts, avoid influencing the degerming effect because shunt is uneven, and keep off the simple structure of piece 3, easily realize.

In some embodiments of the present invention, referring to fig. 3 and 5, the first injection hole group 21 and the second injection hole group 22 are opposed in the radial direction of the sterilizing tube 2. For example, in the example of FIG. 3, the cross-sectional shape of the sterilizing tube 2 is circular, and the first injection hole group 21 and the second injection hole group 22 are opposed to each other in the diameter direction of the sterilizing tube 2. In the example of FIG. 5, the cross-sectional shape of the sterilizing tube 2 is an ellipse, and the first and second injection hole groups 21 and 22 are opposed to each other in the short axis direction of the sterilizing tube 2. Thus, the first injection hole group 21 and the second injection hole group 22 have simple structures and are easy to machine. Moreover, with this arrangement, the injection direction of the high-temperature steam injected from the plurality of first injection holes 211 in the first injection hole group 21 and the injection direction of the high-temperature steam injected from the plurality of second injection holes 221 in the second injection hole group 22 can be parallel, so that the both ends of the heat exchanger 1 can be ensured to have a good sterilization effect.

In some optional embodiments of the present invention, as shown in fig. 3 and 5, the plurality of first injection holes 211 are uniformly spaced along the length direction of the degerming pipe 2, and the plurality of second injection holes 221 are uniformly spaced along the length direction of the degerming pipe 2. Thus, the high-temperature steam sprayed from the plurality of first spraying holes 211 can be uniformly sprayed to the one end of the heat exchanger 1, and the high-temperature steam sprayed from the plurality of second spraying holes 221 can be uniformly sprayed to the other end of the heat exchanger 1, so that the influence of the uneven distribution on the sterilization effect can be further avoided, and the germs on the windward side surface of the heat exchanger 1 can be killed.

Alternatively, referring to fig. 3, 5 and 6, each of the first injection holes 211 may be a circular hole, and each of the second injection holes 221 may be a circular hole. Thus, the first and second injection holes 211 and 221 have a simple structure and are convenient to process. Moreover, the round hole can avoid weakening the structural strength of the sterilizing tube 2, thereby ensuring that the sterilizing tube 2 has higher structural strength and structural stability.

Of course, the present invention is not limited thereto, and each of the first injection holes 211 may also be an oblong hole, an elliptical hole, or a polygonal hole, and each of the second injection holes 221 may also be an oblong hole, an elliptical hole, or a polygonal hole (not shown). It should be noted that the first and second injection holes 211 and 221 may be any combination of circular holes, oblong holes, elliptical holes, or polygonal holes, and are not limited to circular holes, oblong holes, elliptical holes, or polygonal holes. It is understood that the shape of each of the first and second injection holes 211 and 221 may be specifically arranged according to actual requirements to better meet the actual application.

In some embodiments of the present invention, as shown in fig. 3, 5 and 6, the stopper 3 covers at least one of the inner surface and the outer surface of the sterilizing tube 2. That is, the stopper 3 may cover only the inner surface of the sterilizing tube 2, only the outer surface of the sterilizing tube 2, or both the inner surface and the outer surface of the sterilizing tube 2. For example, in the examples of FIGS. 3, 5, and 6, the stop 3 overlies the outer surface of the sterilization tube 2. So set up, keep off piece 3 and can play effectual effect of sheltering from, make to keep off piece 3 and be located first position and can effectively cover a plurality of second jet orifices 221, keep off piece 3 and can effectively cover a plurality of first jet orifices 211 when being located the second position to can spray high-temperature steam according to heat exchanger 1's degerming demand, guarantee to have higher degerming efficiency.

In some embodiments of the present invention, referring to fig. 3, 5 and 6, the stopper 3 and the sterilizing tube 2 are coaxially disposed, and the shape of the stopper 3 is adapted to the shape of the sterilizing tube 2. For example, in the example of FIG. 3, the cross-sectional shape of the sterilizing tube 2 is circular, the cross-sectional shape of the stoppers 3 is circular arc, and the curvature of the sterilizing tube 2 is the same as the curvature of the stoppers 3. In the example of fig. 5 and 6, the cross-sectional shape of the sterilizing tube 2 is oval, the cross-sectional shape of the stopper 3 is circular arc, and the inner surface of the stopper 3 is attached to the outer surface of the sterilizing tube 2. Therefore, through the arrangement, the degerming pipe 2 and the stopper 3 can be processed more conveniently, so that the processing efficiency can be improved, and the cost can be reduced. Moreover, the fender 3 that so sets up can with remove the laminating completely of fungus pipe 2, make and keep off 3 and can cover a plurality of second jet orifices 221 better when being located the first position, and keep off 3 and can cover a plurality of first jet orifices 211 better when being located the second position to can promote heat exchanger 1's degerming efficiency, realize better degerming effect. In addition, since the stopper 3 and the sterilizing tube 2 are coaxially arranged, the stopper 3 can be rotated relative to the sterilizing tube 2 about the central axes of the stopper 3 and the sterilizing tube 2, and thus can be more conveniently moved between the first position and the second position.

Alternatively, in conjunction with fig. 1-3, the barrier 3 is provided on the side of the sterilization tube 2 remote from the heat exchanger 1. Thus, the stopper 3 has a simple structure and is easy to assemble and disassemble. Moreover, when the baffle 3 covers the outer surface of the degerming pipe 2, the heat exchanger 1 can be prevented from being shielded, and when airflow flows through the baffle 3 from the windward side of the heat exchanger 1, the airflow can flow to the degerming pipe 2 along the outer surface of the baffle 3 and finally flows to the heat exchanger 1 by combining the airflow direction in fig. 4, so that the windward wind field of the heat exchanger 1 can be prevented from being disturbed, the wind resistance can be reduced, and the airflow can flow more smoothly.

In some embodiments of the present invention, as shown in fig. 1 and 2, both ends of the stopper 3 extend to both ends of the sterilization tube 2 in the longitudinal direction, respectively. In this way, the stopper 3 can effectively cover the plurality of first injection holes 211 or the plurality of second injection holes 221, ensuring the sterilization efficiency of the heat exchanger 1. Moreover, the arrangement can avoid the stopper 3 and the degerming pipe 2 from forming a step structure in the length direction of the degerming pipe 2, so that the stopper 3 can play a better flow guiding role and facilitate the flow of air flow.

In some embodiments of the present invention, referring to fig. 1 and 2, both ends of the sterilization tube 2 extend to both sides of the heat exchanger 1, respectively. For example, in the example of fig. 1, the sterilizing tube 2 extends in the width direction of the heat exchanger 1, the left end of the sterilizing tube 2 extends to the left side surface of the heat exchanger 1, and the right end of the sterilizing tube 2 extends to the right side surface of the heat exchanger 1. Therefore, through the arrangement, when the high-temperature steam is sprayed out from the first spraying holes 211 and the second spraying holes 221, the high-temperature steam can be sprayed to the whole windward side surface of the heat exchanger 1, so that bacteria and viruses on the whole windward side surface of the heat exchanger 1 can be thoroughly killed, and the health of a user is guaranteed.

Other configurations and operations of the air conditioner according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

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 present invention. 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 present invention 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 invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An air conditioner, comprising:

a body;

the heat exchanger is arranged in the machine body;

the sterilizing pipe is arranged on the windward side of the heat exchanger, a first injection hole group and a second injection hole group which are arranged at intervals along the circumferential direction of the sterilizing pipe are formed on the sterilizing pipe, the first injection hole group comprises a plurality of first injection holes which are arranged at intervals along the length direction of the sterilizing pipe, the first injection holes face one end of the heat exchanger, the second injection hole group comprises a plurality of second injection holes which are arranged at intervals along the length direction of the sterilizing pipe, and the second injection holes face the other end of the heat exchanger;

the stopper is movably arranged on the sterilization tube along the circumferential direction of the sterilization tube, the stopper can move between a first position and a second position, the stopper opens the plurality of first injection holes and covers the plurality of second injection holes when the stopper is located at the first position, and the stopper covers the plurality of first injection holes and opens the plurality of second injection holes when the stopper is located at the second position.

2. The air conditioner according to claim 1, wherein the first injection hole group and the second injection hole group are opposed in a radial direction of the sterilizing tube.

3. The air conditioner as claimed in claim 1, wherein the plurality of first injection holes are uniformly spaced along a length direction of the sterilizing tube, and the plurality of second injection holes are uniformly spaced along the length direction of the sterilizing tube.

4. The air conditioner according to claim 1, wherein each of the first injection holes is a circular hole, an oblong hole, an elliptical hole, or a polygonal hole, and each of the second injection holes is a circular hole, an oblong hole, an elliptical hole, or a polygonal hole.

5. The air conditioner of any one of claims 1-4, wherein the barrier overlies at least one of an inner surface and an outer surface of the sterilization tube.

6. The air conditioner according to any one of claims 1 to 4, wherein the stopper and the sterilizing tube are coaxially arranged, and the shape of the stopper is adapted to the shape of the sterilizing tube.

7. The air conditioner according to any one of claims 1 to 4, wherein the stopper is provided on a side of the sterilization tube away from the heat exchanger.

8. The air conditioner according to any one of claims 1 to 4, wherein both ends of the stopper extend to both ends of the sterilization tube in a longitudinal direction thereof, respectively.

9. The air conditioner according to any one of claims 1 to 4, wherein both ends of the sterilizing tube extend to both side surfaces of the heat exchanger, respectively.

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