CN111023274B

CN111023274B - Air conditioner indoor unit

Info

Publication number: CN111023274B
Application number: CN201811173641.1A
Authority: CN
Inventors: 庄佳兰; 朱振学; 董元伟
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd
Priority date: 2018-10-09
Filing date: 2018-10-09
Publication date: 2021-05-25
Anticipated expiration: 2038-10-09
Also published as: CN111023274A; WO2020073649A1

Abstract

The invention discloses an indoor unit of an air conditioner, and belongs to the field of air conditioners. This machine in air conditioning includes: the air outlet of the shell is provided with an air deflector for opening and closing the air outlet. According to the air conditioner indoor unit, the shell is opened and closed through the rotation of the panel, the air inlet of the shell can be formed when the panel is opened, the closed panel is matched with the closing of the air guide plate, a closed cleaning space can be formed in the shell, and when the cleaning device cleans components in the shell, a cleaning medium can be prevented from overflowing from the shell.

Description

Air conditioner indoor unit

Technical Field

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

Background

The air-conditioning indoor unit runs for a long time, dust and dirt are easily accumulated in the air-conditioning indoor unit, bacteria are easily bred after long-time unclean treatment, unclean air is blown into the air-conditioning indoor unit through gas exchange between the air-conditioning indoor unit and an external environment, and human health is affected. Some air conditioners have a self-cleaning function, and when the air conditioner is operated in a self-cleaning mode, cleaning media easily overflow from the inside of the shell, so that the sealing of a working space of an air conditioner cleaning device needs to be maintained.

Disclosure of Invention

The embodiment of the invention provides an air conditioner indoor unit. 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. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to a first aspect of an embodiment of the present invention, there is provided an indoor unit of an air conditioner, including: the air outlet of the shell is provided with an air deflector used for opening and closing the air outlet, the front side of the shell is provided with an opening, the front side of the shell is provided with a panel, the panel is covered on the opening and can rotate to open and close the shell, the panel is opened to form an air inlet, the panel and the air deflector are closed to form a closed cleaning space in the shell, and the shell further comprises a cleaning device used for cleaning the inside of the cleaning space.

In some optional embodiments, the casing further comprises an air inlet window for allowing air flow to pass through, the air inlet window is arranged between the heat exchanger and the panel, and a first closing assembly for closing the air inlet window is arranged on the inner side of the panel.

In some optional embodiments, the frame of the air inlet window is provided with a groove, the first sealing assembly comprises a sealing element, the sealing element is clamped into the groove of the frame of the air inlet window in the panel closing state, and the sealing element encloses a shielding area for shielding the air inlet window.

In some optional embodiments, the first closure assembly further comprises a water blocking rib for blocking the cleaning medium from seeping out from under the sheltered area, and the water blocking rib is arranged at the lower edge of the sheltered area and transversely extends to two ends of the sheltered area along the sheltered area.

In some optional embodiments, an arc-shaped rack is disposed at a bottom corner of the panel, an arc of the arc-shaped rack is perpendicular to the panel and is bent towards a direction away from the panel, and the housing further includes a first driving device for driving the arc-shaped rack to rotate so as to drive the panel to rotate.

In some optional embodiments, the panel is further provided with a liner plate on the inner side, and the sealing member is arranged on the liner plate.

In some optional embodiments, the casing further comprises an air duct, and a second closing assembly capable of opening and closing the air duct is arranged in the air duct.

In some alternative embodiments, the second closure assembly comprises: the shielding piece is used for sealing the air duct; a second drive device connected to the shutter, the second drive device driving the shutter to switch between an open position and a closed position.

In some optional embodiments, the shielding element is provided with a flow guiding mechanism for guiding the liquid cleaning medium.

In some optional embodiments, the cleaning device comprises a spray head, one end of the spray head is provided with an opening for spraying the cleaning medium, and the other end of the spray head is communicated with a conveying pipe, and the conveying pipe is connected with the cleaning medium storage device.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

according to the air conditioner indoor unit, the shell is opened and closed through the rotation of the panel, the air inlet of the shell can be formed when the panel is opened, the closed panel is matched with the closing of the air guide plate, a closed cleaning space can be formed in the shell, and when the cleaning device cleans components in the shell, a cleaning medium can be prevented from overflowing from the shell.

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

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view illustrating a panel of an indoor unit of an air conditioner in a closed state according to an exemplary embodiment;

fig. 2 is a schematic structural view illustrating a panel of an indoor unit of an air conditioner in an opened state according to an exemplary embodiment;

fig. 3 is a schematic structural view of an indoor unit of an air conditioner according to an exemplary embodiment, with a panel removed;

fig. 4 is a schematic structural view of the inner side of a panel of an indoor unit of an air conditioner according to an exemplary embodiment;

FIG. 5 is an enlarged view of the bottom corner position of the panel of FIG. 4;

fig. 6 is a schematic structural view illustrating a first driving device of an indoor unit of an air conditioner according to an exemplary embodiment;

fig. 7 is an enlarged view of another bottom corner position of a panel of an air conditioning indoor unit according to an exemplary embodiment;

fig. 8 is a cross-sectional view illustrating an air conditioning indoor unit in a duct open state according to an exemplary embodiment;

fig. 9 is a schematic cross-sectional view illustrating an air conditioning indoor unit in a state where a duct is closed, according to an exemplary embodiment;

fig. 10 is a schematic structural view illustrating a second closing assembly of an air conditioning indoor unit according to an exemplary embodiment.

In the figure, 100, the housing; 101. a hinge; 102. a mounting surface; 111. an arc-shaped rack; 110. a panel; 120. an air outlet; 130. a heat exchanger; 140. an air inlet window; 1401. an air inlet window; 1402. a face frame; 150. a first closure assembly; 151. an occlusion region; 152. a seal member; 153. water retaining ribs; 160. a first driving device; 161. a first motor; 162. a drive gear; 163. a first transmission assembly; 1631. a driving wheel; 1632. a driven wheel; 1633. a belt; 1634. a first drive shaft; 165. a support; 166. a bearing; 170. a liner plate; 171. a guide portion; 180. a spray head; 10. an air duct; 11. a collection mechanism; 12. a volute tongue; 13. a volute component; 14. a collection space; 15. a support member; 71. a shield; 72. a second motor; 73. a coupling; 74. a second drive shaft; 75. a flow guide mechanism.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, 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 scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed.

The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.

The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.

Herein, "front" refers to a side of the casing away from the wall when the indoor unit of the air conditioner is mounted on the wall, and "rear" refers to a side of the casing close to the wall.

Fig. 1 is a schematic structural view illustrating a panel of an indoor unit of an air conditioner in a closed state according to an exemplary embodiment; fig. 2 is a schematic structural view illustrating a panel of an indoor unit of an air conditioner in an open state according to an exemplary embodiment.

As shown in fig. 1 and 2, an indoor unit of an air conditioner includes a casing 100, a heat exchanger 130, and a cleaning device, wherein an air deflector (not shown) for opening and closing an air outlet is disposed at the air outlet of the casing 100, an opening is disposed at a front side of the casing 100, a panel 110 is disposed at the front side of the casing 100, the panel 110 is disposed in the opening in a covering manner, the panel 110 is capable of rotating to open and close the casing 100, the panel 110 is opened to form an air inlet 120, the panel 110 and the air deflector are closed to form a closed cleaning space in the casing 100, and the casing 100 further includes a cleaning device for cleaning the cleaning space.

Optionally, the intake vent 120 is facing upward or downward.

When the air conditioner indoor unit normally operates, the air deflector is opened to open the air outlet of the casing 100, the panel 110 is opened to form the air inlet 120 of the casing 100, air enters the casing 100 from the air inlet 120 and finally flows out of the air outlet, when the cleaning device needs to clean the components in the casing 100, the air deflector is closed to close the air outlet, the panel 110 rotates to close the casing 100, and a closed cleaning space is formed in the casing 100.

Alternatively, as shown in fig. 4, the lower portion of the panel 110 is rotatably connected to the housing 100 by a hinge 101.

Optionally, the cleaning device includes a nozzle 180, one end of the nozzle 180 is provided with an opening for spraying the cleaning medium, and the other end is communicated with a conveying pipe, and the conveying pipe is connected with a storage device for storing the cleaning medium. The cleaning medium flows out of the storage device, flows to the head through the delivery pipe, and is ejected from the opening of the head to clean the components inside the casing 100.

Optionally, the spray head 180 is disposed on a side of the heat exchanger 130 adjacent to the intake window 140.

Optionally, the housing 100 further includes therein: and a third driving means (not shown) for driving the shower head 180 to move laterally and/or longitudinally along the surface of the heat exchanger 130. The third driving device may be a cylinder-piston rod structure, or may be a motor or the like.

Optionally, a rail assembly is further disposed within the housing 100, the rail assembly comprising: transverse rails extending transversely along the surface of the heat exchanger 130 and/or longitudinal rails extending longitudinally along the surface of the heat exchanger 130.

Optionally, the cleaning medium is a liquid, and the delivery pipe is provided with a water pump. Therefore, the water pump provides power for the cleaning medium, so that the cleaning medium has enough power to be conveyed to the spray head, and the cleaning medium is ensured to be continuously and reliably supplied.

Optionally, a steam generator is also connected in series on the conveying pipe. The cleaning medium flows from the storage device into the steam generator, forms steam in the steam generator, and is then transported via the transport pipe to the spray head, which sprays the steam onto components inside the housing 100, such as the heat exchanger, the wind wheel, etc.

Alternatively, as shown in fig. 8, one side of the casing 100 is provided with a mounting surface 102 for mounting the air conditioning indoor unit to a wall, the panel 110 is provided on the other side away from the mounting surface 102, and the panel 110 is inclined toward the mounting surface 102. When receiving an opening command, the panel 110 rotates and moves away from the mounting surface 102, and an air inlet 120 is formed on the housing.

Fig. 3 is a schematic structural view of an air conditioning indoor unit according to an exemplary embodiment, with a panel hidden, and fig. 4 is a schematic structural view of an inner side of the panel according to an exemplary embodiment.

As shown in fig. 2 and 3, the casing 100 further includes an air inlet window 140 for allowing air to pass through, the air inlet window 140 is disposed between the heat exchanger 130 and the panel 110, and as shown in fig. 4, a first sealing member 150 for sealing the air inlet window 140 is disposed inside the panel 110. When the panel 110 is opened, air enters the housing 100 through the air inlet 120 and passes through the air inlet window 140. When the panel 110 is closed, the first sealing member 150 seals the intake window 140.

Alternatively, as shown in fig. 3, the louver 140 includes: the air conditioner comprises an air inlet window 1401 for enabling air flow to pass through, and a face frame 1402 arranged on the periphery of the air inlet window 1401, wherein the periphery of the face frame 1402 is fixedly connected with the inner wall of the shell 100. The face frame 1402 is used for supporting the fixed air inlet window 1401, and has a certain degree of air blocking, so that the first sealing component 150 can seal the air inlet window 1401 conveniently.

Optionally, the frame of the air inlet window 140 is provided with a groove, as shown in fig. 4, the first sealing assembly 150 includes a sealing member 152, the sealing member 152 is clamped into the groove of the frame of the air inlet window 140 in the closed state of the panel 110, and the sealing member 152 encloses a shielding area 151 for shielding the air inlet window 140. When the panel 110 is closed, the shielding region 151 covers the air inlet window 1401, and the sealing member 152 is clamped into the groove of the frame of the air inlet window 140 to seal the gap between the shielding region 151 and the air inlet window 1401, so that the air inlet window 140 is sealed. In particular, the seal 152 may be a rubber strip.

Optionally, as shown in fig. 4, the first sealing member 150 further includes a water blocking rib 153 for blocking the cleaning medium from leaking out from the lower side of the shielding region 151, and the water blocking rib 153 is disposed at the lower edge of the shielding region 151 and extends transversely along the shielding region 151 to two ends of the shielding region 151. Optionally, the upper end of the water blocking rib 153 extends to a side far away from the shielding region 151 to form a water blocking portion, when the cleaning device cleans the heat exchanger 130, the cleaning medium splashes onto the shielding region 151, flows downwards along the shielding region 151 under the action of gravity, and drips from the water blocking portion of the water blocking rib 153 after flowing onto the water blocking rib 153, so that the water is prevented from flowing to the joint of the shielding region 151 and the sealing element 152 and seeping out from the gap of the joint, and the sealing performance of the first sealing assembly 150 is enhanced.

Optionally, as shown in fig. 4, a liner plate 170 is further disposed inside the panel 110, and the sealing member 152 is disposed on the liner plate 170. The seal 152 encloses a shadow region 151 on the backing plate 170. The liner 170 can enhance the sealing effect of the panel 110.

Optionally, the backing plate 170 and the blocking area 151 of the panel 110 open an opening, which is covered with a baffle. Alternatively, the area of the opening is the same as that of the blocking region 151.

Optionally, the baffle is made of a transparent material. Thus, the cleaning condition of the inside of the casing 100 can be seen.

Alternatively, as shown in fig. 4, guide portions 171 are provided on both left and right sides of the panel 110, and the guide portions 171 are provided perpendicular to the panel 110. When the panel 110 is closed, the guide portion 171 can be preferentially inserted into the casing 100 and attached to the inner walls of the two sides of the casing 100, so that the closing operation of the panel 110 is more stable.

Optionally, a travel switch is disposed in the casing 100, and the travel switch is used for detecting whether the panel 110 is closed in place, when the panel 110 rotates to close the casing 100, the periphery of the panel 110 contacts with the casing 100, and the panel 110 contacts with the travel switch. The stroke switch is provided at the left side of the housing 100 extending in the vertical direction.

Fig. 5 is an enlarged view of the lower right corner of the panel of fig. 4. As shown in fig. 5, an arc-shaped rack 111 is disposed at a bottom corner of the panel 110, an arc of the arc-shaped rack 111 is perpendicular to the panel 110 and is bent toward a direction away from the panel 110, the housing 100 further includes a first driving device 160, and the first driving device 160 drives the arc-shaped rack 111 to rotate so as to drive the panel 110 to rotate.

Alternatively, the arc-shaped rack 111 is fixedly disposed on the guide portion 171.

Optionally, the first driving device 160 comprises: a first motor 161; the driving gear 162, the driving gear 162 is meshed with the arc-shaped rack 111; and a first transmission assembly 163, the first transmission assembly 163 being connected with the first motor 161 and the driving gear 162 to transmit the power of the first motor 161 to the driving gear 162. The first motor 161 is fixed in the housing 100, and the driving gear 162 is rotatably connected to the inner wall of the housing 100 through a bearing.

In this embodiment, the driving shaft of the first motor 161 rotates to output power, the power is transmitted to the driving gear 162 through the first transmission assembly 163, the driving gear 162 rotates to drive the arc rack 111 to rotate, the arc rack 111 further drives the panel 100 to rotate, and the panel 100 rotates with the lower side thereof as an axis, so as to open and close the casing 100.

Specifically, as shown in fig. 6, the first transmission assembly 163 includes: the driving wheel 1631, the driven wheel 1632, the belt 1633 and the first transmission shaft 1634, the driving wheel 1631 is sleeved on the driving shaft of the first motor 161, two ends of the belt 1633 are respectively sleeved on the driving wheel 1631 and the driven wheel 1632, the first transmission shaft 1634 is rotatably connected with the casing 100, the driven wheel 1632 is sleeved on the first transmission shaft 1634, and the driving gear 162 is sleeved on the first transmission shaft 1634. The driving wheel 1631 rotates to drive the driven wheel 1632 to rotate through the belt 1633, and the driven wheel 1632 transmits power to the driving gear 162 through the first transmission shaft 1634.

Optionally, a bracket 165 is further fixedly mounted inside the casing 100, a bearing 166 is disposed on the bracket 165, and the first transmission shaft 1634 is disposed through the bearing 166.

Alternatively, as shown in fig. 7, the number of the arc-shaped racks 111 is two and the two arc-shaped racks are respectively disposed at two bottom corners of the panel 110, the number of the driving gears 162 is also two and the two driving gears are respectively engaged with the arc-shaped racks 111, and both ends of the first transmission shaft 1634 respectively pass through one driving gear 162. Thus, the opening and closing actions of the panel 110 are more smooth.

Fig. 8 is a cross-sectional view illustrating an air conditioning indoor unit in a duct open state according to an exemplary embodiment; fig. 9 is a schematic cross-sectional view illustrating an air conditioning indoor unit in a state where a duct is closed according to an exemplary embodiment.

As shown in fig. 8 and 9, the housing further includes an air duct 10, and a second closing assembly 7 capable of opening and closing the air duct 10 is disposed in the air duct 10. When the second closing member 7 opens the air duct 10, the air flow can be discharged from the air duct 10, and when the second closing member 7 closes the air duct 10, the second closing member 7 can block the cleaning medium from flowing out of the air duct 10. The second sealing component 7 seals the air duct 10 inside the air duct 10, and is matched with the air deflector to close the air outlet, so that the sealing effect of the air duct 10 is enhanced. In addition, in addition to blocking the outflow of the cleaning medium, the entry of external dust can be blocked.

Optionally, the second closure assembly 7 is disposed at the air inlet of the air duct 10.

As shown in fig. 9, the second closure assembly 7 includes: a shield 71, the shield 71 being used to close the air duct 10; and a second driving device connected to the shutter 71, wherein the second driving device drives the shutter 71 to switch between an open position and a closed position, wherein in the open position, as shown in fig. 8, the shutter 71 leaves the air duct 10, and in the closed position, as shown in fig. 9, the shutter 71 closes the air duct 10.

Specifically, the shutter 71 extends in the lateral direction of the air duct 10, and is capable of closing the air duct 10 when the shutter 71 is closed. Wherein the second drive means is fixedly mounted in the housing 1.

Optionally, as shown in fig. 9, the housing 100 further includes inside: the volute component 13 is internally provided with a volute tongue 12, and an air outlet of the volute component 13 is communicated with the air duct 10.

Optionally, the heat exchanger 130 is disposed at the air inlet of the volute component 13.

As shown in fig. 10, the second driving device includes: a second motor 72 and a second transmission shaft 74, wherein the output shaft of the second motor 72 is connected with the second transmission shaft 74 through a coupling 73, and the second transmission shaft 74 extends along the transverse direction of the shielding member 71 and is fixedly connected with the shielding member 71. Thus, when the air duct 10 needs to be closed, the second motor 72 drives the second transmission shaft 74 to rotate, and further drives the shielding piece 71 to rotate until the free end of the shielding piece 71 abuts against the volute tongue 12, referring to fig. 9, so that the cleaning medium is prevented from overflowing from the air duct 10; when it is desired to open the duct 10, as shown in figure 8, the shield 71 is rotated in the reverse direction until its free end abuts against the volute member 13 to clear the duct 10.

Optionally, the surface of the volute component 13 below the second drive shaft 74 is recessed to form the collection mechanism 11. The collecting mechanism 11 is used to collect the cleaning medium. The collection means 11 may be connected to a drain.

Optionally, a placing groove for placing the shutter 71 is formed on the wall of the scroll member 13 near the collecting mechanism 11. When the shutter 71 is opened, the shutter 71 abuts against the inside of the placement groove, avoiding resistance to the airflow through the air duct 10.

Optionally, the volute tongue 12 is provided with an opening, and the volute tongue 12 and the casing 100 enclose a collecting space 14 for collecting the cleaning medium. The collection space 14 may be connected to a drain. The cleaning medium falls into the collecting space 14 or the collecting mechanism 11 and is discharged.

Optionally, a support member 15 is provided on the volute tongue 12 for supporting the shield 71. The shield 71 rotates close to the volute tongue 12, and the free end of the shield 71 can fall on the support 15, which is beneficial to enhancing the sealing effect on the air duct 10.

Optionally, the volute tongue 12 is positioned higher than the second drive shaft 74 so that the shield 71 is angled when closed. In this way, when the cleaning medium is liquid, when the shutter 71 is closed, the liquid cleaning medium falls onto the shutter 71, can flow toward the second transmission shaft 74, and further falls into the collecting mechanism 11.

Optionally, a flow guide mechanism 75 for guiding the liquid cleaning medium is provided on the shield 71.

Alternatively, as shown in figure 10, the deflector mechanism 75 extends longitudinally along the shield 71. When the shutter 71 closes the air duct 10, the flow guide mechanism 75 can guide the liquid cleaning medium falling thereon. Specifically, the height of the diversion mechanism 75 gradually decreases from the free end of the shield 71 to the end of the second transmission shaft 74 to enhance the diversion effect on the liquid.

In the embodiments disclosed herein, it should be understood that the disclosed methods, articles of manufacture, including but not limited to, devices, apparatuses, etc., may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a mechanism or a component is merely a division of a logical function, and an actual implementation may have another division, for example, a plurality of mechanisms or components may be combined or integrated into another system, or some features may be omitted. The mechanisms or components described as separate parts may or may not be physically separate, and the parts displayed as the mechanisms or components may or may not be physical mechanisms or components, may be located in one place, or may be distributed on a plurality of network mechanisms or components. Some or all of the mechanisms or components can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, each functional mechanism or component in each embodiment of the present invention may be integrated into one processing mechanism or component, each mechanism or component may exist alone physically, or two or more mechanisms or components may be integrated into one mechanism or component.

The present invention is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. An indoor unit of an air conditioner, comprising: the air outlet of the shell is provided with an air deflector for opening and closing the air outlet, and the air cleaning device is characterized in that an opening is formed in the front side of the shell, a panel is arranged on the front side of the shell and covers the opening, the panel can rotate to open and close the shell, the panel is opened to form an air inlet, the panel and the air deflector are closed to form a closed cleaning space in the shell, and the cleaning device for cleaning the inside of the cleaning space is further arranged in the shell.

2. An indoor unit of an air conditioner as claimed in claim 1, wherein the casing further comprises an air inlet window for allowing air flow to pass through, the air inlet window is disposed between the heat exchanger and the panel, and a first sealing member for sealing the air inlet window is disposed inside the panel.

3. The indoor unit of an air conditioner according to claim 2, wherein a groove is formed in a frame of the air inlet window, the first sealing member includes a sealing member, the sealing member is clamped into the groove of the frame of the air inlet window in the panel closed state, and the sealing member encloses a shielding area for shielding the air inlet window.

4. An indoor unit of an air conditioner according to claim 3, wherein the first closing member further includes a water blocking rib for blocking the cleaning medium from leaking out from below the shielding region, the water blocking rib being provided at a lower edge of the shielding region and extending laterally to both ends of the shielding region along the shielding region.

5. An indoor unit of an air conditioner according to claim 1, wherein an arc-shaped rack is disposed at a bottom corner of the panel, an arc of the arc-shaped rack is perpendicular to the panel and bends towards a direction away from the panel, and the casing further comprises a first driving device for driving the arc-shaped rack to rotate so as to drive the panel to rotate.

6. An indoor unit of an air conditioner according to claim 3, wherein a liner is further provided on an inner side of the panel, and the sealing member is provided on the liner.

7. An indoor unit of an air conditioner according to claim 1, wherein the casing further includes an air duct inside, and a second closing member capable of opening and closing the air duct is provided in the air duct.

8. An indoor unit of an air conditioner according to claim 7, wherein the second closing member includes: the shielding piece is used for sealing the air duct; a second drive device connected to the shutter, the second drive device driving the shutter to switch between an open position and a closed position.

9. An indoor unit of an air conditioner according to claim 8, wherein a guide mechanism for guiding the liquid cleaning medium is provided on the shielding member.

10. An indoor unit of an air conditioner according to claim 1, wherein the cleaning device includes a nozzle, one end of the nozzle is provided with an opening for spraying the cleaning medium, and the other end of the nozzle is communicated with a delivery pipe, and the delivery pipe is connected with the cleaning medium storage device.