CN218065119U

CN218065119U - Indoor unit of air conditioner

Info

Publication number: CN218065119U
Application number: CN202222310314.4U
Authority: CN
Inventors: 孙合庆; 张家栋; 逯成林
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-16
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to an indoor unit of air conditioner belongs to air conditioning equipment technical field, and indoor unit of air conditioner includes: the air conditioner comprises a shell, an indoor heat exchanger and a duplex centrifugal fan, wherein the shell is provided with an indoor air inlet positioned on the side part of the shell and a first exhaust port arranged on the indoor air inlet; the duplex centrifugal fan is arranged on one side of the indoor heat exchanger, which is far away from the indoor air inlet, and the axial direction of the duplex centrifugal fan is arranged along the width direction of the indoor heat exchanger; the duplex centrifugal fan is provided with a first air inlet and a second air inlet which are arranged at the two ends of the duplex centrifugal fan; the duplex centrifugal fan is also provided with a first air outlet which is arranged corresponding to the first exhaust port of the shell; the indoor heat exchanger is arranged in the shell and positioned at the inner side of the indoor air inlet, and the indoor heat exchanger is arranged between the indoor air inlet and the duplex centrifugal fan; air passes through indoor heat exchanger and gets into first income wind gap and the second of duplex centrifugal fan and goes into behind the wind gap export from first exhaust opening through first air outlet, through this overall arrangement increase air volume.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of air conditioning equipment, especially, relate to an indoor unit of air conditioner.

Background

An air conditioner, i.e., an air conditioner, is a device that manually adjusts and controls parameters such as temperature, humidity, and flow rate of ambient air in a building or structure. An air conditioner generally includes an indoor unit and an outdoor unit.

When the air conditioner has a plurality of air outlets, the whole machine is required to be provided with a plurality of fans, the scheme of the three fans has large air quantity, but the cost is high, and the whole structure is complex. The two fan schemes have low cost, but the air volume is small, and the problem of large noise caused by the increase of the rotating speed is solved. Therefore, it is urgently needed to provide an air conditioner with large air volume and low cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.

Therefore, the application aims to provide an air-conditioning indoor unit, the duplex centrifugal fan enters air through the first air inlet and the second air inlet at the two ends and outputs air from the air outlet, the air quantity is improved, the fan does not need to be additionally arranged, and the cost is saved.

In order to achieve the above object, the utility model provides an indoor unit of air conditioner, include:

the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein one side of the shell is an indoor air inlet communicated with the outside, and a first air outlet is formed in the shell;

the indoor heat exchanger is arranged in the shell and is positioned on the inner side of the indoor air inlet;

the axial direction of the duplex centrifugal fan is arranged along the width direction of the indoor heat exchanger; the duplex centrifugal fan is provided with a first air inlet and a second air inlet which are arranged at two ends of the duplex centrifugal fan; the duplex centrifugal fan is also provided with a first air outlet which is arranged corresponding to the first exhaust port of the shell;

and air enters a first air inlet and a second air inlet of the duplex centrifugal fan through the indoor heat exchanger and then is output from the first air outlet through the first air outlet.

In some of the embodiments of the present application, the duplex centrifugal fan includes:

a housing disposed within the housing;

the first driving piece is connected with the machine shell;

the duplex centrifugal fan blades are arranged in the shell, and the first driving piece drives the duplex centrifugal fan blades to rotate.

In some embodiments of the present application, if the axial length of the duplex centrifugal fan blade is a and the diameter of the duplex centrifugal fan blade is d, then a =0.3d.

In some embodiments of the present disclosure, a unidirectional centrifugal fan is disposed in the housing, and the unidirectional centrifugal fan has a third air inlet and a second air outlet; the third air inlet corresponds to the indoor heat exchanger; and a second air outlet communicated with the second air outlet is formed in the shell.

In some embodiments of the present application, the unidirectional centrifugal fan comprises:

the connecting piece is detachably connected to the shell;

the second driving piece is arranged on the connecting piece;

one-way centrifugal fan blade, one-way centrifugal fan blade set up in the connecting piece with between the indoor heat exchanger, the drive of second driving piece one-way centrifugal fan blade rotates.

In some embodiments of the present application, the second air outlets are respectively disposed on two sides of the housing in the width direction, and the second air outlets are disposed in a one-to-one correspondence with the second air outlets.

In some embodiments of the present application, an air deflector for adjusting a wind direction is disposed at the second air outlet.

In some embodiments of the present application, the indoor heat exchanger includes:

a main section, a length direction of the main section being the same as a height direction of the housing;

the side sections are respectively arranged on two sides of the main section, extend from one side far away from the main section to the direction of the shell, and are connected with the shell.

In some embodiments of the present application, an air exhaust member is disposed on the housing, and the first air exhaust opening is opened on the air exhaust member.

In some embodiments of this application, the piece of airing exhaust can dismantle connect in the top of casing, first exhaust opening link up along vertical direction the piece of airing exhaust, the bottom in first exhaust opening with first air outlet intercommunication.

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 accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of an air conditioning indoor unit according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 3 is a schematic partial cross-sectional view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 4 is a schematic longitudinal sectional view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 5 is a front view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 6 is a schematic transverse sectional view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 7 is a side view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 8 is a schematic structural view of an indoor heat exchanger according to an embodiment of the present application;

FIG. 9 is a schematic structural view of a duplex centrifugal fan according to an embodiment of the present application;

fig. 10 is an exploded schematic view of a second fan according to an embodiment of the present application.

In the above figures: 100. an indoor heat exchanger; 101. a main section; 102. a side section; 200. a duplex centrifugal fan; 201. a housing; 202. a duplex centrifugal fan blade; 203. a first air outlet; 300. a mounting base; 400. a unidirectional centrifugal fan; 401. a connecting member; 402. a second driving member; 403. a unidirectional centrifugal fan blade; 500. a second air outlet; 600. an air deflector; 700. a first exhaust port.

Detailed Description

In the description of the present invention, 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, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; 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 invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean 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.

In the present disclosure, the terms "one embodiment," "some embodiments," "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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the present application, an air conditioner performs a refrigeration cycle of an indoor unit of the air conditioner by using a compressor, a condenser, an expansion valve, and an indoor heat exchanger. 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 low-temperature and low-pressure state and discharges the refrigerant gas in a high-temperature and high-pressure state. 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 indoor heat exchanger 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 indoor heat exchanger may achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The indoor unit of the air conditioner can adjust the temperature of the indoor space throughout the cycle. The outdoor unit of the air conditioning indoor unit refers to a portion of the refrigeration cycle including the compressor and the outdoor heat exchanger, the indoor unit of the air conditioning indoor unit includes the indoor heat exchanger, and the 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 indoor heat exchanger. When the indoor heat exchanger is used as the condenser, the indoor air conditioning unit is used as a heater in a heating mode, and when the indoor heat exchanger is used as the indoor heat exchanger, the indoor air conditioning unit is used as a cooler in a cooling mode.

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, in an exemplary embodiment of the indoor unit of an air conditioner of the present invention, the indoor unit of an air conditioner includes: the air conditioner comprises a shell, an indoor heat exchanger 100 and a duplex centrifugal fan 200, wherein the shell is provided with an indoor air inlet positioned on the side part of the shell and a first air outlet 700 arranged on the shell; the duplex centrifugal fan 200 is arranged on one side of the indoor heat exchanger 100 far away from an indoor air inlet, and the axial direction of the duplex centrifugal fan 200 is arranged along the width direction of the indoor heat exchanger 100; the duplex centrifugal fan 200 has a first air inlet and a second air inlet provided at both ends thereof; the duplex centrifugal fan 200 further has a first air outlet 203, and the first air outlet 203 corresponds to the first air outlet 700 of the housing; the indoor heat exchanger 100 is arranged in the shell and positioned at the inner side of the indoor air inlet, and the indoor heat exchanger 100 is arranged between the indoor air inlet and the duplex centrifugal fan 200; the air enters the first air inlet and the second air inlet of the duplex centrifugal fan 200 through the indoor heat exchanger 100 and then is output from the first air outlet 700 through the first air outlet 203. The ventilation quantity is increased through the layout on the premise of not increasing the fan.

Referring to fig. 1 to 6, in some embodiments, the housing is vertically disposed, the indoor air inlet of the housing is a back surface of the housing, and a side of the housing away from the indoor air inlet is a front surface of the housing.

Referring to fig. 2, 3 and 9, in some embodiments, the duplex centrifugal fan 200 includes: the fan comprises a machine shell 201, a first driving part and duplex centrifugal fan blades 202, wherein the machine shell 201 is arranged in the shell; the first driving member is connected with the casing 201; the duplex centrifugal fan blades 202 are disposed in the casing 201, and the first driving member drives the duplex centrifugal fan blades 202 to rotate.

In some embodiments, the twin centrifugal fan blades 202 are shaft-like members that include a rotating disk, a plurality of first blades, and a plurality of second blades. The carousel is the disc, and a plurality of first blades set up in one side of carousel, and a plurality of second blades set up in the carousel and keep away from one side of first blade. The quantity of first blade and second blade is the same, and a plurality of first blades and a plurality of second blade all set up along the border interval of carousel, and the interval between two arbitrary adjacent first blades is the same, and the interval between two arbitrary adjacent second blades is the same. The first blade sets up in the border that the carousel corresponds one side, and the second blade sets up in the border that the carousel corresponds one side. One side of the rotating disc, which is provided with the plurality of first blades, is provided with a first air inlet; one side of the turntable, which is provided with a plurality of second blades, is a second air inlet. Each first blade and each second blade are arranged at a certain angle, and when the duplex centrifugal fan 200 rotates, the first blades and the second blades discharge wind along the radial direction of the rotating disc.

In some embodiments, the first driving member is a motor, the body of the first driving member is fixed to the casing 201, and the rotating disc is coaxially fixed to the output shaft of the first driving member. When the first driving part is started, the first driving part drives the duplex centrifugal fan blades 202 to rotate, and air exhaust is realized.

In some embodiments, the body of the first driving member is fixed to a rotating disc, the rotating disc is coaxially disposed with the output shaft of the first driving member, and the output shaft of the first driving member is fixed to the casing 201.

Referring to all of the drawings, in some embodiments, the twin centrifugal fan blades 202 are horizontally disposed. The casing 201 covers the peripheral wall of the duplex centrifugal fan blade 202, and the casing 201 does not block the first air inlet and the second air inlet. The air duct has been seted up to the internal perisporium of casing 201, and first air outlet 203 is seted up at the top of casing 201, first air outlet 203 and air duct intercommunication, and air enters the air duct through first income wind gap and second respectively when pair centrifugal fan blade 202 rotates in the air inlet, finally exports through first air outlet 203 and first exhaust opening 700. When the duplex centrifugal fan 200 is disposed on the housing, the first air outlet 203 is disposed upward, and the first air outlet 700 is disposed at the top end of the housing.

In some embodiments, the casing 201 is formed by splicing a first sub-casing and a second sub-casing, the first sub-casing and the second sub-casing are symmetrically arranged, and the first sub-casing, the duplex centrifugal fan blade 202, the first driving member and the second sub-casing are spliced to form the duplex centrifugal fan 200, which is convenient to install.

In some embodiments, if the axial length of the dual centrifugal fan blade 202 is a and the diameter of the dual centrifugal fan blade 202 is d, then a =0.3d.

In some embodiments, when the diameter d of the dual centrifugal fan blade 202 is fixed, the axial length a of the dual centrifugal fan blade 202 increases the air volume, and when a =0.3d, the air volume is not increased by continuously increasing the axial length a of the dual centrifugal fan blade 202. The duplex centrifugal fan 200 can be ensured to increase the maximum air volume by fixing the proportion.

Referring to fig. 2 and 8, in some embodiments, the indoor heat exchanger 100 includes: a main section 101 and a side section 102, wherein the length direction of the main section 101 is the same as the height direction of the housing; the side sections 102 are respectively disposed at two sides of the main section 101, the side sections 102 extend from a side away from the main section 101 to the direction of the housing, and the side sections 102 are connected to the housing.

In some embodiments, the main section 101 is parallel to the indoor air inlet of the housing, the side section 102 has two parts and is respectively located at two sides of the main section 101, and the length directions of the main section 101 and the side section 102 are the same. The length direction of the indoor heat exchanger 100 is the same as the height direction of the casing, and the included angles between the two side sections 102 and the main section 101 are the same. The two side sections 102 are connected to the housing on the side remote from the main section 101.

Referring to fig. 2 and 10, in some embodiments, a unidirectional centrifugal fan 400 is disposed in the housing, and the unidirectional centrifugal fan 400 has a third air inlet and a second air outlet 500; the third air inlet corresponds to one end of the indoor heat exchanger 100 far away from the duplex centrifugal fan 200; the housing is provided with a second air outlet communicated with the second air outlet 500.

In some embodiments, a mounting base 300 is disposed in the housing, and a mounting hole is formed through one side of the mounting base 300. The one-way centrifugal fan 400 is coaxially disposed in the mounting hole, and an axial direction of the one-way centrifugal fan 400 is disposed along a front-rear direction of the housing.

In some embodiments, mount 300 is a rectangular block. The bidirectional centrifugal fan is arranged on the upper surface of the mounting base 300, and the casing 201 of the bidirectional centrifugal fan is detachably connected with the upper surface of the mounting base 300. Mounting means between the bidirectional centrifugal fan and the mounting base 300 include, but are not limited to, bolts, screws, snaps, buckles, and hasps.

In some embodiments, the unidirectional centrifugal fan 400 includes: a connector 401, a second driving member 402 and a unidirectional centrifugal fan blade 403, wherein the connector 401 is detachably connected to the housing; the second driving member 402 is disposed on the connecting member 401; the unidirectional centrifugal fan 403 is disposed between the connector 401 and the indoor heat exchanger 100, and the second driving member 402 drives the unidirectional centrifugal fan 403 to rotate.

In some embodiments, the connection member 401 has a disc shape, the connection member 401 is detachably connected to a side of the mounting base 300 facing away from the indoor heat exchanger 100, and the connection member 401 is disposed coaxially with the mounting hole. The connection means of the connector 401 and the mounting base 300 include, but are not limited to, bolts, screws, snaps, buckles, and hasps. The second drive member 402 includes, but is not limited to, an electric motor and a motor. The second driver 402 is fixed to a side of the connection member 401 facing the indoor heat exchanger 100, and an output shaft of the second driver 402 faces the indoor heat exchanger 100. The unidirectional centrifugal fan blade 403 includes a plurality of second blades, the plurality of second blades are disposed at intervals around the output shaft, and the distance between any two adjacent second blades is the same. In some embodiments, the second air outlets are respectively disposed on two sides of the housing in the width direction, and the number of the second air outlets 500 is the same as that of the second air outlets and is disposed in a one-to-one correspondence.

Referring to all the drawings, in some embodiments, the second air outlets 500 are disposed at two sides of the mounting base 300, two of the second air outlets 500 are both communicated with the mounting hole, and the two second air outlets 500 correspond to the outer peripheral wall of the unidirectional centrifugal fan blade 403. When the unidirectional centrifugal fan blade 403 rotates, air enters the third air inlet through the bottom end of the indoor heat exchanger 100 and is discharged into the mounting hole through the peripheral wall of the unidirectional centrifugal fan blade 403, and because the connecting piece 401 blocks one end of the mounting hole departing from the indoor heat exchanger 100, the air is discharged through the second air outlet 500. Two second air outlets are respectively arranged on two side walls of the housing in the width direction, and the two second air outlets are respectively located on two sides of the mounting base 300 and respectively correspond to the second air outlets 500.

In some embodiments, the second air outlet and the second air outlet 500 are rectangular and have the same size.

In some embodiments, a wind deflector 600 for adjusting a wind direction is disposed at the second wind outlet 500. The direction of the air current through the second air outlet can be adjusted by adjusting the angle of the air deflector 600, and the comfort level is improved by adjusting according to the requirement.

In some embodiments, there are a plurality of air deflectors 600, and the air deflectors 600 are disposed at intervals along the length direction of the second outlet 500, and the distance between any two adjacent second air deflectors 600 is the same. The air deflector 600 is a rectangular plate and is vertically arranged, the top of the air deflector 600 is rotatably connected with the inner top wall of the second air outlet 500, and the bottom of the air deflector 600 is rotatably connected with the inner bottom wall of the second air outlet 500.

In some embodiments, a connecting rod is disposed in each second air outlet 500, and the connecting rod is disposed along a length direction of the corresponding second air outlet 500. The connecting rods are hinged to the corresponding air deflectors 600, and when the connecting rods are pushed, the connecting rods drive all the air deflectors 600 to turn over so as to adjust the angle corresponding to the second air outlet 500.

In some embodiments, a pushing member is disposed within the housing, and the pushing member includes, but is not limited to, a cylinder, a linear motor. The output end of the pushing piece is connected with the connecting rod. The indoor unit of the air conditioner further comprises a control panel, the pushing piece is electrically connected with the control panel, the control panel is manually pressed, and the control panel controls the pushing piece to push the connecting rod so as to control the angle of the air deflector 600. The pushing piece can be controlled to push the connecting rod through a remote controller.

In some embodiments, an axial fan is disposed in the mounting hole, and a side of the axial fan facing away from the indoor heat exchanger 100 is the second air outlet 500. The axial fan rotates to be connected in the casing, and the preceding bottom of casing is seted up in the second air exit, and the axial fan blows off the air through the second air exit.

In some embodiments, the indoor heat exchanger 100 is detachably connected to the housing. The indoor heat exchanger 100 is connected to the housing by means including, but not limited to, screws, snaps, buckles, and snaps. The indoor heat exchanger 100 can be taken out from the inside of the shell during maintenance, and manual maintenance is facilitated.

In some embodiments, the top of the housing is connected to the outside, the housing is detachably connected to an air exhaust member, and the first air outlet 700 is opened in the air exhaust member.

In some embodiments, the air exhausting member is detachably connected to the top end of the housing, the first air exhausting opening 700 penetrates through the air exhausting member in a vertical direction, and the bottom end of the first air exhausting opening 700 is communicated with the first air outlet 203.

In some embodiments, the casing further includes a base, the upper surface of the base and the lower surface of the air exhaust member are both provided with slots, and the top end and the bottom end of the indoor heat exchanger 100 are respectively inserted into the two slots to complete the setting of the indoor heat exchanger 100.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An air conditioning indoor unit, characterized in that it includes:

the shell is provided with an indoor air inlet positioned on the side part of the shell and is provided with a first exhaust port;

the indoor heat exchanger is arranged in the shell and is positioned at the inner side of the indoor air inlet;

the duplex centrifugal fan is arranged on one side of the indoor heat exchanger, which is far away from the indoor air inlet, and the axial direction of the duplex centrifugal fan is arranged along the width direction of the indoor heat exchanger; the duplex centrifugal fan is provided with a first air inlet and a second air inlet which are arranged at two ends of the duplex centrifugal fan; the duplex centrifugal fan is also provided with a first air outlet which is arranged corresponding to the first exhaust port of the shell;

the indoor heat exchanger is arranged between the indoor air inlet and the duplex centrifugal fan.

2. An indoor unit of an air conditioner according to claim 1, wherein the duplex centrifugal fan includes:

a housing disposed within the housing;

the first driving piece is connected with the machine shell;

3. An indoor unit of an air conditioner as claimed in claim 2, wherein the axial length of the duplex centrifugal fan blades is a, the diameter of the duplex centrifugal fan blades is d, and a =0.3d.

4. An indoor unit of an air conditioner as claimed in claim 1, wherein a one-way centrifugal fan having a third air inlet and a second air outlet is provided in the casing; the third air inlet faces the indoor heat exchanger; and a second air outlet communicated with the second air outlet is formed in the shell.

5. An indoor unit of an air conditioner according to claim 4, wherein the unidirectional centrifugal fan includes:

the connecting piece is detachably connected to the shell;

the second driving piece is arranged on the connecting piece;

the second driving piece drives the one-way centrifugal fan blades to rotate.

6. An indoor unit of an air conditioner according to claim 4, wherein the second air outlets are respectively opened at both sides in the width direction of the casing, and the second air outlets are arranged in one-to-one correspondence with the second air outlets.

7. An indoor unit of an air conditioner according to claim 4, wherein a wind guide plate for adjusting a wind direction is provided at the second air outlet.

8. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein the indoor heat exchanger includes:

9. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein a discharge member is provided in the casing, and the first discharge port is opened in the discharge member.

10. An indoor unit of an air conditioner according to claim 9, wherein the air discharge member is detachably attached to a top end of the casing, the first air discharge opening penetrates the air discharge member in a vertical direction, and a bottom end of the first air discharge opening is communicated with the first air outlet.