CN217685350U - Air conditioner indoor unit and air conditioner - Google Patents

Abstract

The utility model relates to an air conditioning equipment technical field discloses an interior machine of air conditioning, machine in the air conditioning, including the casing that is equipped with the air outlet and along the condensation device that prevents that air outlet circumference set up, prevent that the condensation device includes: the heat exchange pipeline is filled with a liquid heat exchange medium, and at least part of the pipe section is arranged on the side wall of the inner side of the shell along the circumferential direction of the air outlet; the heating assembly is sleeved outside the heat exchange pipeline far away from the air outlet and used for heating a heat exchange medium; and the power assembly is arranged inside the shell and forms a circulation loop of heat exchange medium with the heat exchange pipeline, and the power assembly is used for driving the heated heat exchange medium to flow so as to realize heat exchange with the shell around the air outlet. When the indoor unit of the air conditioner is used for refrigerating, the heat exchange between the shell around the air outlet and the surrounding environment is reduced, so that air is not easy to generate condensation on the shell around the air outlet. The application also discloses an air conditioner.

Description

Air conditioner indoor unit and air conditioner

Technical Field

The present application relates to the technical field of air conditioning equipment, and for example, to an air conditioner indoor unit and an air conditioner.

Background

At present, the air conditioner has wide application and gradually becomes an essential household appliance in the life of people. The air conditioners are of various types, and the common types include a vertical cabinet air conditioner, a wall-mounted air conditioner, a ceiling-mounted air conditioner and the like.

When the air conditioner is operated for a long time, the periphery of an air outlet, an air outlet wind sweeping blade and other parts of the air conditioner are influenced by air supply of the air conditioner, condensation and water dripping phenomena are easy to occur when the surface temperature is lower than the dew point temperature, especially under the working conditions of low indoor temperature and high humidity, a large amount of condensation and water dripping are easy to generate, the air supply performance of the air conditioner is influenced, and adverse effects are easy to generate on the normal work of the air conditioner.

In the related art, it is disclosed that heat-insulating cotton is provided on a surface where condensation is easily generated, so as to reduce the occurrence of the condensation phenomenon.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the surface of a plastic part which is easy to generate condensation and is close to an air outlet on the air conditioner shell is added with heat insulation cotton, the heat insulation cotton is only useful under the condition that the air outlet temperature is not too low, and the condensation prevention effect is poor.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides an air conditioner indoor unit and an air conditioner, and aims to solve the problem that when the temperature of a plastic part around an air outlet on a shell of the air conditioner indoor unit is lower than a dew point temperature, condensation is separated out on the surface of the shell.

In some embodiments, the indoor unit of an air conditioner includes a casing having an air outlet, and a condensation preventing device disposed along a circumferential direction of the air outlet, and the condensation preventing device includes: the heat exchange pipeline is filled with a liquid heat exchange medium, and at least part of the pipe section is arranged on the side wall of the inner side of the shell along the circumferential direction of the air outlet; the heating assembly is sleeved outside the pipe section of the heat exchange pipeline far away from the air outlet and is used for heating the heat exchange medium; and the power assembly is arranged in the shell, forms a circulation loop of the heat exchange medium with the heat exchange pipeline and is used for driving the heated heat exchange medium to flow so as to realize heat exchange with the shell around the air outlet.

In some embodiments, the heat exchange tubes have a diameter in the range of 1mm to 10mm.

In some embodiments, the heat exchange conduit comprises: the heat exchange section is arranged on the side wall of the inner side of the shell along the circumferential direction of the air outlet; and the heating section is communicated with the heat exchange section and is arranged in the shell far away from the air outlet, and the heating assembly is sleeved outside the heating section.

In some embodiments, the heating section is made of metal, and the heat exchange section is made of metal or plastic.

In some embodiments, the heating assembly comprises an electrical heating wire wound around an outer surface of the heating section.

In some embodiments, the heating assembly includes a semiconductor temperature regulating element including a first end and a second end, wherein when the semiconductor temperature regulating element is cooling, the first end is a cold end, the second end is a hot end, and the second end is attached to the surface of the heating section.

In some embodiments, the power assembly comprises: the conveying pump is arranged between the heating section and the heat exchange section and is used for conveying the heated heat exchange medium from the heating section to the heat exchange section; and the motor is connected with the driving end of the delivery pump and is used for driving the delivery pump to operate.

In some embodiments, the air conditioning indoor unit further includes: the heat preservation layer is arranged on the side wall of the inner side of the shell along the circumferential direction of the air outlet, and the heat exchange pipeline is arranged between the heat preservation layer and the shell.

In some embodiments, the air conditioning indoor unit further includes: the accommodating groove is formed in the side wall of the inner side of the shell along the circumferential direction of the air outlet, at least part of the heat exchange pipeline is accommodated in the accommodating groove, and the heat insulation layer can cover the accommodating groove.

In some embodiments, the air conditioner includes the air conditioner indoor unit.

The air conditioner indoor unit and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:

the pipeline filled with the heat exchange medium is arranged in the circumferential direction of the air outlet, after the heat exchange medium is heated by the heating assembly, the power assembly drives the heated heat exchange medium to flow along the heat exchange pipeline, and in the flowing process, heat exchange can be achieved with the peripheral shell of the air outlet, namely, the shell around the air outlet can be heated. Therefore, under the condition that the air-conditioning indoor unit is used for refrigerating, the temperature difference between the shell around the air outlet and the ambient environment can be reduced, so that air near the air outlet is not easy to generate condensation on the shell around the air outlet, the air supply performance of the air-conditioning indoor unit is improved, and the comfort of a user in using the air conditioner is improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of another air conditioner indoor unit provided in the embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a condensation preventing device provided by the embodiment of the disclosure;

fig. 4 is a schematic cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

fig. 5 is a schematic cross-sectional view of another air conditioning indoor unit provided by the embodiment of the present disclosure, in which an insulating layer is removed;

fig. 6 is a partially enlarged schematic view of fig. 5 provided in an embodiment of the present disclosure.

Reference numerals:

100. a housing; 110. an air outlet;

200. an anti-condensation device; 210. a heat exchange conduit; 211. a heat exchange section; 212. a heating section; 220. a heating assembly; 230. a power assembly; 231. a delivery pump;

300. a heat-insulating layer;

400. a containing groove.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other cases, the known structures and the air conditioning indoor unit can be simplified for illustration.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and embodiments thereof, and are not intended to limit the indicated air conditioning indoor unit, elements or components to having, or being constructed and operated in, a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; the air conditioner indoor units, the elements or the components can be directly connected, or indirectly connected through an intermediate medium, or the communication between the two air conditioner indoor units, the elements or the components is realized. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Fig. 1 is a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the present disclosure; fig. 3 is a schematic structural diagram of an anti-condensation device provided in an embodiment of the present disclosure.

Referring to fig. 1 and 3, an embodiment of the present disclosure provides an indoor unit of an air conditioner, including a casing 100 having an air outlet 110, and a condensation preventing device 200 disposed along a circumferential direction of the air outlet 110, where the condensation preventing device 200 includes a heat exchange pipe 210, a heating assembly 220, and a power assembly 230. The heat exchange pipe 210 is filled with a liquid heat exchange medium, and at least a portion of the pipe section is disposed on the inner side wall of the casing 100 along the circumferential direction of the air outlet 110. And the heating assembly 220 is sleeved outside the pipe section of the heat exchange pipe 210 far away from the air outlet 110 and used for heating the heat exchange medium. And the power assembly 230 is disposed inside the casing 100, and forms a heat exchange medium circulation loop with the heat exchange pipe 210, so as to drive the heated heat exchange medium to flow to exchange heat with the casing 100 around the air outlet 110.

In this embodiment, when the indoor unit of the air conditioner is operating, that is, when the indoor unit of the air conditioner is refrigerating for a long time, or when the indoor unit of the air conditioner is refrigerating in an environment with high humidity, the temperature of the airflow flowing out of the air outlet 110 of the indoor unit of the air conditioner is low, and in this case, if the temperature of the casing 100 around the air outlet 110 is lower than the dew-point temperature of the air, condensation is easily generated. At this time, the heating assembly 220 and the power assembly 230 work simultaneously, the heating assembly 220 is used for heating the heat exchange medium inside the heat exchange pipeline 210, the power assembly 230 can drive the heated heat exchange medium to flow in the heat exchange pipeline 210, and in the flowing process of the heat exchange medium, part of pipe sections of the heat exchange pipeline 210 arranged along the circumferential direction of the air outlet 110 and the shell 100 around the air outlet 110 exchange heat to heat the shell 100, so that the air near the air outlet 110 is difficult to condense condensed water on the shell around the air outlet 110, therefore, the problem of condensation on the shell around the air outlet 110 of the indoor air conditioner is solved, and the comfort of a user using the indoor air conditioner is improved.

Optionally, an air outlet 110 is disposed on the casing 100, and through the air outlet 110, the air flow after heat exchange inside the casing 100 of the indoor air conditioner may be blown to the indoor through the air outlet 110, so as to adjust the indoor environment temperature.

Alternatively, the casing facing the inside around the outlet 110 is in contact with the heat-exchanged air flowing out of the evaporator of the air conditioning indoor unit, so that the temperature thereof is low and the dew condensation is more likely to occur in the case of a high indoor ambient temperature, and therefore, at least a part of the tube section of the heat exchange duct 210 is disposed on the inside sidewall of the casing 100 around the outlet 110 to heat the inside sidewall of the casing 100 around the outlet 110 through the heat exchange duct 210, thereby preventing the dew condensation from occurring around the outlet 110.

Optionally, the heating assembly 220 and the power assembly 230 are disposed inside the housing 100. The heating element 220 is sleeved outside the heat exchange pipe 210 far away from the air outlet 110 to prevent heat generated by the heating element 220 from affecting the air outlet temperature. In the case that the indoor unit of the air conditioner is a vertical air conditioner, the heating unit 220 and the power unit 230 are located below the air outlet 110, and generally, there are fewer spatial components located below the air outlet 110 in the casing 100, which facilitates the arrangement of the two components. Alternatively, the indoor unit of the air conditioner may be an indoor unit of a wall-mounted air conditioner, and in this case, the heating unit 220 and the power unit 230 may be disposed on the left side or the right side of the air outlet 110.

Optionally, a power assembly 230 is disposed on heat exchange tube 210, including an input side and an output side, and is capable of forming a circulation loop of a heat exchange medium with heat exchange tube 210, wherein heating assembly 220 is disposed outside a portion of heat exchange tube 210 and on the input side of power assembly 230. Thus, under the condition that the heating assembly 220 works, the heat exchange medium can be heated, the power assembly 230 can conveniently drive the heated heat exchange medium to move, and when the heat exchange medium flows through the shell 100 around the air outlet 110, the heat exchange medium and the shell 100 around the air outlet 110 exchange heat and then flow back to the part of the heat exchange pipeline 210 provided with the heating assembly 220, and the circulation is repeated.

Optionally, the heat exchange medium may be an antifreeze or a refrigerant.

Fig. 2 is a schematic structural view of another air conditioning indoor unit provided in the embodiment of the present disclosure. As shown in fig. 2 and 3, optionally, the air outlet 110 is rectangular, the heat exchange duct 210 is provided with multiple sections of heat exchange sub-ducts connected in parallel, each side edge of the air outlet 110 along the circumferential direction of the air outlet 110 is provided with a section of heat exchange sub-duct, the multiple heat exchange sub-ducts converge in front of the heat exchange duct provided with the heating assembly 220, and each heat exchange sub-duct is connected to the output end of the power assembly 230, so that the uniformity of heating the casing 100 around each side edge of the air outlet 110 can be ensured, and the heat exchange effect of the heat exchange medium and the casing 100 passing through the air outlet can be prevented from being poor. Optionally, the sub heat exchange tubes are straight tubes, or serpentine tubes.

By adopting the air conditioner indoor unit provided by the embodiment of the disclosure, the pipeline filled with the heat exchange medium is arranged in the circumferential direction of the air outlet, after the heat exchange medium is heated by the heating assembly, the power assembly drives the heated heat exchange medium to flow along the heat exchange pipeline, and in the flowing process, the heat exchange with the shell around the air outlet can be realized, that is, the shell around the air outlet can be heated. Therefore, under the condition that the air-conditioning indoor unit is refrigerated, the temperature difference between the shell around the air outlet and the ambient environment can be reduced, so that the heat exchange between the shell and the ambient environment is reduced, the air near the air outlet is not easy to generate condensation on the shell around the air outlet, the condensation at the air outlet is prevented, the air supply performance of the air-conditioning indoor unit is improved, and the comfort of a user in using the air conditioner is improved.

In some embodiments, heat exchange tubes 210 range from 1mm to 10mm in diameter. Alternatively, heat exchange tubes 210 have a diameter of 1mm, 3mm, 5mm, 7mm, 9mm, or 10mm.

In some embodiments, heat exchange tube 210 includes a heat exchange section 211 and a heating section 212. And the heat exchange section 211 is arranged on the inner side wall of the shell 100 along the circumferential direction of the air outlet 110. The heating section 212 is communicated with the heat exchange section 211 and disposed inside the casing 100, wherein the heating assembly 220 is sleeved outside the heating section 212.

Optionally, heat exchange tube 210 comprises a heat exchange section 211 and a heating section 212. The heating assembly 220 is sleeved outside the heating section 212 and used for heating the heat exchange medium flowing through the heating section 212; when the heat exchange medium flows through the heat exchange section 211, the heat exchange medium exchanges heat with the casing 100 around the air outlet 110, so as to reduce the temperature difference between the casing 100 around the air outlet 110 and the indoor environment, and prevent the casing 100 around the air outlet 110 from being condensed.

In some embodiments, the heating section 212 is made of metal, and the heat exchange section 211 is made of metal or plastic.

Optionally, the heating section 212 is made of a metal material, and the heat exchange section 211 is made of a metal material. The metal material has a good heat conduction effect, so that the heat exchange medium in the heating section 212 can be heated conveniently, and the heat exchange of the heat exchange medium and the shell 100 around the air outlet 110 can be facilitated. In addition, the heating section 212 and the heat exchange section 211 can be integrally formed, so that the processing is convenient, and the manufacturing cost is saved. Optionally, the metal material may be a stainless steel material, an iron material, a carbon steel/alloy steel material, a copper material, a titanium material, or the like, and the embodiment of the present disclosure is not particularly limited.

Optionally, the heating section 212 is made of a metal material, and since the metal material has a good heat conduction effect, the heating effect of the heating assembly 220 on the heat exchange medium passing through the heating section 212 can be improved; meanwhile, the heat exchange section 211 is made of plastic, so that the heat exchange section 211 is paved conveniently, and the installation cost is reduced.

In some embodiments, the heating assembly 220 includes an electrical heating wire wound around the outer surface of the heating section 212. The electric heating wire is easy to obtain and has high heating speed. In this way, the contact area between the heating assembly and the surface of the heating section 212 can be increased, and the heat transfer is easily realized, so that the heating effect of the heating assembly 220 on the heat exchange medium flowing through the heating section 212 is improved. Optionally, the electric heating wire is sequentially wound on the outer surface of the connection pipe section 320 along the circumferential direction thereof, so as to increase the heat exchange area between the electric heating wire and the connection pipe section 320, and improve the heating effect on the heat exchange medium.

Optionally, the electrical heating wires are fixed to the outer surface of the heating section 212 by gluing to improve the stability of the heating assembly 220. Optionally, the outer surface of the electric heating wire is wrapped with a tinfoil paper layer, that is, the tinfoil paper layer is adhered to the surface of the electric heating wire, and the tinfoil paper layer is adhered to the surface of the heating section 212, so that the situation that the heating assembly leaks electricity can be avoided, and the safety of the heating assembly 220 is improved.

In some embodiments, heating assembly 220 comprises a semiconductor temperature conditioning element having a first end and a second end, wherein the first end is a cold end and the second end is a hot end, and wherein the second end is attached to a surface of heating section 212 during cooling of the semiconductor temperature conditioning element. The heating time of the semiconductor is fast, so that the heating of the heat exchange medium flowing through the heating section 212 can be rapidly realized.

Alternatively, heat transfer occurs when current passes through the semiconductor temperature regulating element, and heat is transferred from one end to the other end to create a temperature differential, thereby forming a cold side and a hot side. Specifically, the semiconductor temperature regulating element may be a thermocouple pair formed by connecting a piece of N-type semiconductor material and a piece of P-type semiconductor material, and when current flows through a loop of the P-type semiconductor and the N-type semiconductor, heat absorption or heat release occurs, and when the direction of the current is changed, the heat absorption or heat release changes. When the semiconductor temperature adjusting element is used for refrigerating, the first end is a cold end, the second end is a hot end, and the heating section 212 is heated by utilizing the heat release phenomenon of the hot end, so that the temperature of the heat exchange medium passing through the heat exchange section 211 is regulated, the heating effect of the heat exchange medium is improved, and the air supply performance of the indoor unit of the air conditioner is improved.

In some embodiments, the power assembly 230 includes a delivery pump 231 and a motor. And the delivery pump 231 is arranged between the heating section 212 and the heat exchange section 211 and is used for delivering the heated heat exchange medium from the heating section 212 to the heat exchange section 211. And the motor is connected with the driving end of the delivery pump 231 and is used for driving the delivery pump 231 to operate. In this embodiment, a motor (not shown) drives the delivery pump 231 to operate, the delivery pump 231 provides power for the heat exchange medium, and the input end of the delivery pump 231 is connected to the heating assembly. In this way, the heated heat exchange medium may be conveyed from the heating section 212 to the heat exchange section 211, so as to heat the casing 100 around the air outlet 110.

Fig. 4 is a schematic cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present disclosure; as shown in fig. 4, in some embodiments, the indoor unit of an air conditioner further includes an insulating layer 300. And the heat insulation layer 300 is arranged on the inner side wall of the shell 100 along the circumferential direction of the air outlet 110, and the heat exchange pipeline 210 is arranged between the heat insulation layer 300 and the shell 100. Like this, through the setting of heat preservation 300, can prevent that heat transfer pipe 210 from lieing in that casing 100 around air outlet 110 carries out the heat transfer in-process and appearing the heat loss to promote heat transfer's efficiency, prevent to appear the condensation on the casing 100 around air outlet 110. In addition, the heat insulation layer 300 can prevent the heat exchange pipe 210 from being damaged, prolong the service life of the heat exchange pipe, and save maintenance and replacement costs.

Optionally, the insulation layer 300 is made of insulation material, which may be insulation cotton or insulation foam.

Fig. 5 is a schematic cross-sectional view of another air conditioning indoor unit provided by the embodiment of the present disclosure, in which an insulating layer is removed; fig. 6 is a partially enlarged schematic view provided by an embodiment of the present disclosure. Referring to fig. 5 and 6, in some embodiments, the indoor unit of an air conditioner further includes an accommodating groove 400. The accommodating groove 400 is circumferentially disposed on the inner sidewall of the casing 100 along the air outlet 110, and at least a portion of the heat exchange pipeline 210 is accommodated in the accommodating groove 400, wherein the insulating layer 300 can cover the accommodating groove 400. By arranging the heat exchange pipeline 210 in the accommodating groove 400, the heat exchange pipeline 210 can be protected, and the safety of the heat exchange pipeline 210 is improved; through covering heat preservation 300 on storage tank 400, that is to say, heat preservation 300 encapsulates heat exchange pipe 210 in storage tank 400, can improve heat exchange pipe 210 and the heat transfer effect of casing 100 around the air outlet 110 on the one hand, and on the other hand can further improve the guard action to heat exchange pipe 210, improves the security of air conditioning indoor set.

The embodiment of the disclosure provides an air conditioner, which comprises the air conditioner indoor unit.

By adopting the air conditioner provided by the embodiment of the disclosure, the pipeline filled with the heat exchange medium is arranged in the circumferential direction of the air outlet of the indoor unit of the air conditioner, after the heat exchange medium is heated by the heating assembly, the power assembly drives the heated heat exchange medium to flow along the heat exchange pipeline, and in the flowing process, the heat exchange can be realized with the peripheral shell of the air outlet, namely, the heating of the peripheral shell of the air outlet can be realized. Therefore, under the condition that the air-conditioning indoor unit is refrigerated, the temperature difference between the shell around the air outlet and the ambient environment can be reduced, so that the heat exchange between the shell and the ambient environment is reduced, the air near the air outlet is not easy to generate condensation on the shell around the air outlet, the air supply performance of the air-conditioning indoor unit is improved, and the comfort of a user in using the air conditioner is improved.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An air conditioning indoor unit, includes casing (100) that is equipped with air outlet (110) and follows prevent condensation device (200) that air outlet (110) circumference set up, its characterized in that, prevent condensation device (200) and include:

the heat exchange pipeline (210) is filled with liquid heat exchange medium, and at least part of the pipeline section is arranged on the side wall of the inner side of the shell (100) along the circumferential direction of the air outlet (110);

the heating assembly (220) is sleeved outside the pipe section of the heat exchange pipeline (210) far away from the air outlet (110) and is used for heating the heat exchange medium;

the power assembly (230) is arranged inside the shell (100), forms a circulation loop of the heat exchange medium with the heat exchange pipeline (210), and is used for driving the heated heat exchange medium to flow so as to realize heat exchange with the shell (100) around the air outlet (110).

2. An indoor unit of an air conditioner according to claim 1, wherein the diameter of the heat exchange pipe (210) ranges from 1mm to 10mm.

3. The air-conditioning indoor unit of claim 1, wherein the heat exchange duct (210) comprises:

the heat exchange section (211) is arranged on the side wall of the inner side of the shell (100) along the circumferential direction of the air outlet (110);

the heating section (212) is communicated with the heat exchange section (211) and is arranged in the shell (100) far away from the air outlet (110), and the heating assembly is sleeved outside the heating section (212).

4. The indoor unit of claim 3, wherein the heating section (212) is made of metal, and the heat exchange section (211) is made of metal or plastic.

5. An indoor unit of an air conditioner according to claim 3, wherein the heating member (220) comprises an electric heating wire wound around an outer surface of the heating section (212).

6. The indoor unit of claim 3, wherein the heating unit (220) comprises a semiconductor temperature adjusting element, which comprises a first end and a second end, when the semiconductor temperature adjusting element is used for cooling, the first end is a cold end, the second end is a hot end, and the second end is attached to the surface of the heating section (212).

7. An air-conditioning indoor unit according to claim 3, wherein the power unit (230) comprises:

the conveying pump (231) is arranged between the heating section (212) and the heat exchange section (211) and is used for conveying the heated heat exchange medium from the heating section (212) to the heat exchange section (211);

and the motor is connected with the driving end of the delivery pump (231) and is used for driving the delivery pump (231) to operate.

8. An indoor unit of an air conditioner according to any one of claims 1 to 7, further comprising:

the heat-insulating layer (300) is circumferentially arranged on the inner side wall of the shell (100) along the air outlet (110), and the heat exchange pipeline (210) is arranged between the heat-insulating layer (300) and the shell (100).

9. An indoor unit of an air conditioner according to claim 8, further comprising:

the accommodating groove (400) is formed in the side wall of the inner side of the shell (100) along the circumferential direction of the air outlet (110), at least part of the heat exchange pipeline (210) is accommodated in the accommodating groove (400), and the heat insulation layer (300) can cover the accommodating groove (400).

10. An air conditioner characterized by comprising the indoor unit of an air conditioner according to any one of claims 1 to 9.

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