CN113108366B - Air conditioner indoor unit and control method thereof - Google Patents

Abstract

The invention provides an air conditioner indoor unit and a control method of the air conditioner indoor unit. The air-conditioning indoor unit comprises: a housing including a bottom case; a filter member disposed within the housing; the cleaning piece is arranged in the shell and provided with a first position contacted with the filtering piece, the cleaning piece and the filtering piece are movably arranged relatively, and dust on the filtering piece cleaned by the cleaning piece falls onto the bottom shell; the drainage baffle sets up in the casing, and the drainage baffle has the drainage position, and when the drainage baffle was in the drainage position, the drainage baffle was with washing liquid drainage to the drain pan on. The air conditioner indoor unit solves the problems that a filter screen of the air conditioner indoor unit in the prior art is inconvenient to clean and low in cleaning reliability.

Description

Air conditioner indoor unit and control method thereof

Technical Field

The invention relates to the field of air conditioning equipment, in particular to an air conditioning indoor unit and a control method of the air conditioning indoor unit.

Background

The filter screen of the air conditioner usually plays a role in preventing impurities such as dust from entering the indoor unit of the air conditioner and filtering indoor air, but after the air conditioner is used for a period of time, the filter screen is full of dust, so that the air intake of the indoor unit can be reduced, and the air quality of blown air can be influenced.

To solve such problems, self-cleaning of the filter screen of the air conditioner is thought to mainly include two modes of dry brushing and water washing. The prior art provides a wall-mounted air conditioner and a cleaning control method thereof, condensed water on an evaporator needs to be collected and enters a cleaning groove to clean a filter screen, the structure is complex, and a rolling brush of the wall-mounted air conditioner is always placed in the cleaning groove for storing the condensed water, so that secondary pollution caused by bacteria breeding is easy to occur; in addition, the wall-mounted air conditioner adopts a water spraying and cleaning filter screen, so that the reliability and the electrical safety of the air conditioner are low.

In addition, the prior art also provides an air conditioner filter screen cleaning device, dust on the filter screen is cleaned into a special dust collecting box, but a user needs to detach the dust collecting box regularly for manual cleaning, which is very inconvenient.

Disclosure of Invention

The invention mainly aims to provide an air conditioner indoor unit and a control method of the air conditioner indoor unit, and aims to solve the problems that a filter screen of the air conditioner indoor unit in the prior art is inconvenient to clean and low in cleaning reliability.

In order to achieve the above object, according to one aspect of the present invention, there is provided an air conditioning indoor unit including: a housing including a bottom case; a filter member disposed within the housing; the cleaning piece is arranged in the shell and provided with a first position in contact with the filter piece, the cleaning piece and the filter piece are arranged relatively movably, and dust on the filter piece cleaned by the cleaning piece falls onto the bottom shell; the drainage baffle sets up in the casing, and the drainage baffle has the drainage position, and when the drainage baffle was in the drainage position, the drainage baffle was with washing liquid drainage to the drain pan on.

Further, the air conditioning indoor unit includes: the heat exchanger is arranged in the shell, and condensed water generated by the heat exchanger is cleaning fluid; when the drainage baffle is in the drainage position, the drainage baffle is extended towards the bottom shell by the heat exchanger to drain the condensate water produced by the heat exchanger to the bottom shell.

Furthermore, the shell is provided with a dust falling space, so that the dust cleaned by the filter element falls on the bottom shell after passing through the dust falling space; the drainage baffle is movably arranged, the drainage baffle is also provided with an avoiding position outside the dust falling space, and the drainage baffle is switched between the avoiding position and the drainage position.

Furthermore, the drainage baffle plate is rotatably arranged and is provided with a rotating end and a free end which are oppositely arranged; the air-conditioning indoor unit further comprises a first driving piece, and the first driving piece is connected with the rotating end to drive the drainage baffle to rotate; when the drainage baffle is in the drainage position, the free end extends towards the bottom shell.

Furthermore, the cleaning piece is movably arranged and is also provided with a second position, and the cleaning piece is switched between the first position and the second position; the air conditioning indoor unit further comprises: and the dust removing part is arranged in the shell and can be rotationally arranged, and when the cleaning piece is positioned at the second position, the cleaning piece is contacted with the dust removing part.

Further, the filter element is of an annular structure; the air-conditioning indoor unit further comprises a first rotating portion and a second rotating portion, the filtering piece is sleeved on the first rotating portion and the second rotating portion, and the first rotating portion and the second rotating portion are both rotatably arranged.

Furthermore, a water outlet is formed in the bottom shell, so that the cleaning liquid drained to the bottom shell is discharged from the water outlet.

According to another aspect of the present invention, there is provided a control method for an air conditioning indoor unit, where the control method is applied to the air conditioning indoor unit, and includes: the method comprises the steps of entering a filter self-cleaning mode after receiving a cleaning filter signal; controlling the cleaning piece to move to a first position, and controlling the filter piece and the cleaning piece to move relatively so that the cleaning piece cleans the filter piece; and controlling the drainage baffle to move to a drainage position so as to drain the cleaning liquid to the bottom shell to clean the dust on the bottom shell.

Further, after the cleaning member cleans the filter member, the control method of the indoor unit of the air conditioner includes: determining whether the filter member is clean; after the filter element is judged to be clean, the cleaning element is controlled to be switched to the second position, and the dust removing part is controlled to rotate, so that the cleaning element is cleaned by the dust removing part; after the filter member is determined to be unclean, the relative movement of the filter member and the cleaning member is controlled so that the cleaning member cleans the filter member.

Further, the method for controlling the indoor unit of the air conditioner includes, after the dust removing unit cleans the cleaning member: judging whether the cleaning piece is clean; after the cleaning piece is judged to be clean, controlling the drainage baffle to move to a drainage position so as to drain the cleaning liquid to the bottom shell to clean the dust on the bottom shell; and after the cleaning piece is determined to be unclean, controlling the dust removal part to rotate so that the dust removal part cleans the cleaning piece.

The air-conditioning indoor unit comprises a shell, a filter element, a cleaning element and a drainage baffle, wherein the filter element, the cleaning element and the drainage baffle are all arranged in the shell; this air conditioning indoor unit cleans filtering piece through cleaning the piece to the dust that cleans down drops to the drain pan on, then through the drainage baffle with washing liquid drainage to the drain pan on, with the dust with on the drain pan clean. The air conditioner indoor unit solves the problem of filth blockage of the filter element, and avoids the influence of the filter element on the air conditioner performance and the health problem; the filter piece does not need to be manually disassembled for cleaning, and the dust collecting box does not need to be disassembled and manually cleaned, so that the operation is convenient and the cleaning is convenient; and, through drainage baffle with the washing liquid drainage to the drain pan on, avoided the washing liquid to flow to electrical component on, and then solved the low problem of low and the electrical safety nature of air conditioning indoor set.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of an air conditioning indoor unit according to the present invention;

fig. 2 shows a schematic view of the cleaning element of the air conditioning indoor unit according to the invention in its configuration when cleaning the filter element;

fig. 3 is a schematic view showing the construction of a dust removing part of an indoor unit of an air conditioner according to the present invention when cleaning a cleaning member;

fig. 4 shows a schematic view of the structure of a baffle plate for air-conditioning indoor unit according to the present invention when it is draining;

fig. 5 shows a flow chart of a control method of an air conditioning indoor unit according to the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 11. a bottom case; 20. a heat exchanger; 30. a filter member; 40. a cleaning member; 50. a drainage baffle; 60. a rotating shaft; 70. a dust removal part; 80. a first rotating section; 90. a second rotating part; 100. a dust falling space.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides an indoor unit of an air conditioner, please refer to fig. 1 to 4, comprising: a case 10 including a bottom case 11; a filter member 30 disposed within the housing 10; a cleaning member 40 disposed in the housing 10, the cleaning member 40 having a first position contacting the filter member 30, the cleaning member 40 being disposed movably relative to the filter member 30, the dust on the filter member 30 cleaned by the cleaning member 40 falling onto the bottom case 11; drainage baffle 50 sets up in casing 10, and drainage baffle 50 has the drainage position, and when drainage baffle 50 was in the drainage position, drainage baffle 50 was with the washing liquid drainage to drain pan 11 on.

The air-conditioning indoor unit comprises a shell 10, a filtering piece 30, a cleaning piece 40 and a drainage baffle 50, wherein the filtering piece 30, the cleaning piece 40 and the drainage baffle 50 are all arranged in the shell 10; the air conditioner indoor unit cleans the filtering element 30 through the cleaning element 40, the cleaned dust falls onto the bottom shell 11, and then the cleaning liquid is guided to the bottom shell 11 through the guiding baffle 50 so as to wash out the dust on the bottom shell 11. The air conditioner indoor unit solves the problem of filth blockage of the filter element, and avoids the influence of the filter element on the air conditioner performance and the health problem; the filter piece 30 does not need to be disassembled manually for cleaning, and the dust collecting box does not need to be disassembled and cleaned manually, so that the operation is convenient and the cleaning is convenient; moreover, the cleaning liquid is drained to the bottom shell 11 through the drainage baffle 50, the cleaning liquid is prevented from flowing to the electrical components, and the problems of low reliability and low electrical safety of the indoor unit of the air conditioner are solved.

Specifically, the housing 10 is provided with an air inlet, and the filter member 30 is disposed opposite to the air inlet, so that the filter member 30 filters the air entering from the air inlet.

Alternatively, sweeping member 40 is a brush.

In this embodiment, the air conditioning indoor unit includes: the heat exchanger 20 is arranged in the shell 10, and condensed water generated by the heat exchanger 20 is cleaning fluid; when the drainage baffle 50 is in the drainage position, the drainage baffle 50 extends from the heat exchanger 20 toward the bottom shell 11 to drain the condensed water generated by the heat exchanger 20 to the bottom shell 11. Due to the arrangement, the dust can be washed by the condensed water formed on the heat exchanger 20, other structures are not required to be added, and the structure is simple; and the condensed water can be recycled.

Specifically, the filter element 30 is positioned between the air intake and the heat exchanger 20.

In the present embodiment, the housing 10 has a dust falling space 100, so that the dust cleaned by the filter 30 falls on the bottom case 11 after passing through the dust falling space 100; drainage baffle 50 movably sets up, and drainage baffle 50 still has the dodge position that is located outside dust falling space 100, and drainage baffle 50 switches between dodging the position and drainage position. Such an arrangement can avoid the problem that the drainage baffle 50 is inconvenient to clean due to dust falling thereon.

In the present embodiment, the drainage baffle 50 is rotatably disposed, and the drainage baffle 50 has a rotating end and a free end which are oppositely disposed; the air-conditioning indoor unit further comprises a first driving piece, and the first driving piece is connected with the rotating end to drive the drainage baffle 50 to rotate; when the drain baffle 50 is in the drain position, the free end extends toward the bottom shell 11. Such an arrangement enables the diversion baffle 50 to be switched between the avoidance position and the diversion position.

Specifically, the rotating end of the drainage baffle 50 is provided with a rotating shaft 60, and the first driving member is in driving connection with the rotating shaft 60 to drive the rotating shaft 60 to rotate, so as to drive the drainage baffle 50 to rotate. Such a baffle facilitates the connection of the first drive member to the flow directing baffle 50.

In particular, the first drive member is a motor. In other embodiments, the connection to the rotating shaft 60 can also be achieved by the first driving member matching with a third transmission component, wherein the third transmission component can be a gear box, a connecting rod, etc.

In the present embodiment, the cleaning element 40 is movably disposed, the cleaning element 40 further has a second position, and the cleaning element 40 is switched between the first position and the second position; the air conditioning indoor unit further comprises: and a dust removing part 70 provided in the housing 10, wherein the dust removing part 70 is rotatably provided, and the cleaning member 40 is in contact with the dust removing part 70 when the cleaning member 40 is at the second position. Such an arrangement allows the cleaning member 40 to be cleaned by the rotating dust removing part 70, so that dust on the cleaning member 40 can be cleaned and fall on the bottom case 11 after passing through the dust falling space 100.

Specifically, the dust removing part 70 includes a plurality of comb teeth arranged at intervals, and the dust removing part 70 cleans the cleaning member 40 through the comb teeth.

Specifically, the dust removing portion 70 is disposed between the filter member 30 and the heat exchanger 20.

Specifically, the dust removing portion 70 is driven by the fourth driving member to be rotated; alternatively, the dust removing part 70 is driven by the fourth driving member and the first transmission assembly to rotate; the fourth driving part is a motor, and the first transmission component can be a gear box, a connecting rod and the like.

In the present embodiment, the filter member 30 has an annular configuration; the indoor unit of the air conditioner further comprises a first rotating part 80 and a second rotating part 90, the filtering piece 30 is sleeved on the first rotating part 80 and the second rotating part 90, and the first rotating part 80 and the second rotating part 90 are both rotatably arranged. Specifically, the filter member 30 performs a clockwise or counterclockwise circulating motion by the first and second rotating parts 80 and 90.

In the first embodiment, the first rotating portion 80 is driven by the second driving member to rotate, and the second rotating portion 90 follows the rotation.

In the second embodiment, the first rotating portion 80 is driven by the second driving member to rotate, and the second rotating portion 90 is driven by the third driving member to rotate.

In the third embodiment, the second rotating portion 90 is driven by the third driving member to rotate, and the first rotating portion 80 follows the rotation.

Specifically, the filter member 30 is a filter net.

In this embodiment, the bottom casing 11 is provided with a drainage port, so that the cleaning solution drained to the bottom casing 11 is drained through the drainage port. In such an arrangement, the cleaning liquid can be discharged from the indoor unit of the air conditioner through the water discharge port.

In this embodiment, the air conditioning indoor unit further includes a guide groove, and the filter member 30 has a guide portion that is disposed in and moves along the guide groove. This arrangement provides guidance for the filter element 30.

In the present embodiment, the sweeping member 40 is rotatably provided to be switched between the first position and the second position; specifically, the sweeping member 40 is driven to rotate by the fifth driving member; alternatively, sweeping member 40 is driven by a fifth driving member and a second transmission assembly to realize rotation; wherein, the fifth driving piece is a motor, and the second transmission component is a gear box, a connecting rod and the like.

In practice, the cleaning element 40 can be rotated clockwise or counterclockwise. The cleaning piece 40 can contact with the filter piece when rotating counterclockwise for a certain angle; when the cleaning member 40 rotates clockwise by a certain angle, it can contact the dust removing part 70.

In the present embodiment, the cleaning member 40 further has a third position between the first position and the second position, the third position being an initial state of the cleaning member 40, and when the cleaning member 40 is in the third position, the cleaning member 40 is not in contact with either the filter member 30 or the dust removing part 70.

In specific implementation, the cleaning element 40 is used for cleaning the moving filter element 30, most of dust on the filter element falls on the bottom shell 11, and a small part of dust is attached to the cleaning element 40; the dust attached to the cleaning member 40 is cleaned by the rotating dust removing part 70, so that the dust falls on the bottom shell; the drainage baffle 50 is used for draining the condensed water to flush away the dust on the bottom shell.

As shown in FIG. 1, sweeper 40 is in a first position and deflector 50 is in an escape position. As shown in fig. 2, when the cleaning member 40 rotates counterclockwise by a certain angle to contact the filter member 30, the filter member 30 performs a clockwise circulation motion by the first and second rotating portions 80 and 90. At this time, the cleaning tool 40 cleans the filter 30, and the cleaned dust falls on the bottom case 11. As shown in fig. 3, when the cleaning of the filter member 30 by the cleaning member 40 is completed, the filter member 30 is restored to the third position. However, some dust may adhere to the cleaning element 40, and at this time, the cleaning element 40 is driven to rotate clockwise by a certain angle to the second position, the cleaning element 40 contacts the dust removing part 70, and the dust on the cleaning element 40 is cleaned to the bottom case 11 through the dust removing part 70. As shown in fig. 4, when the dust removing part 70 cleans the dust on the cleaning element 40, the rotation of the dust removing part 70 is stopped, and the cleaning element 40 returns to the third position. The drainage baffle 50 is driven to rotate clockwise by a certain angle to the upper part of the bottom shell 11, and drainage condensate water washes away dust; finally, the drainage baffle 50 is restored to the avoidance position.

In this embodiment, the positions of the cleaning element 40, the dust removing part 70, and the flow guide baffle 50 can be adjusted according to the spatial structure of the air conditioning indoor unit. The rotation direction of each moving part can be adjusted according to the position layout of the filter member 30, the cleaning member 40, the dust removing part 70 and the drainage baffle 50.

The application solves the following technical problems: the problem that the performance of the air conditioner is influenced due to the filth blockage of a filter screen (a filter element) caused by long-term use of the air conditioner is solved; the problem of health caused by filth blockage of the filter screen due to long-term use of the air conditioner is solved; the problem that the existing filter screen needs to be manually disassembled and cleaned is solved; the problems of reliability and electrical safety caused by the adoption of the conventional water spraying cleaning filter screen are solved; the problem of current dismantlement dust collection box to carry out manual washing, loaded down with trivial details inconvenience to the dust collection box is solved.

The beneficial effect of this application: the filter screen is automatically cleaned, and does not need to be manually disassembled by a user; safety and reliability; the dust is automatically washed away by the condensed water, a dust collecting box is not needed, and the trouble of disassembling and cleaning the dust collecting box is saved.

The invention also provides a control method of the air-conditioning indoor unit, as shown in fig. 5, the control method of the air-conditioning indoor unit applied to the above embodiment includes:

step S100, entering a filter self-cleaning mode after receiving a cleaning filter signal;

step S200, controlling the cleaning piece to move to a first position, and controlling the filter piece and the cleaning piece to move relatively so that the cleaning piece cleans the filter piece;

and step S300, controlling the drainage baffle to move to a drainage position so as to drain the cleaning liquid to the bottom shell to clean the dust on the bottom shell.

This machine in air conditioning can realize filtering the self-cleaning of piece through setting up and filtering a piece automatically cleaning mode, need not the manual work and washs filtering the piece, also need not the manual work and dismantles the cleaning of dust collection box, and degree of automation is high, the convenient washing.

In this embodiment, after the cleaning member cleans the filter member, the control method of the air conditioning indoor unit includes:

step S400, judging whether the filter element is clean;

step S401, after the filter element is judged to be clean, the cleaning piece is controlled to be switched to the second position, and the dust removing part is controlled to rotate, so that the cleaning piece is cleaned by the dust removing part;

in step S402, after the filter member is determined to be unclean, the filter member and the cleaning member are controlled to move relative to each other so that the cleaning member cleans the filter member.

Specifically, after step S200, it is necessary to determine whether the filter member is clean (step S400), and when it is detected that the filter member is cleaned, the dust removing unit is controlled to clean the cleaning member; and when the filter element is detected not to be cleaned, the cleaning element is enabled to continuously clean the filter element. Such setting can guarantee that the cleaning piece cleans clean and filter the piece.

Specifically, the air-conditioning indoor unit further comprises a first transmitting end and a first receiving end, wherein the first transmitting end is used for transmitting infrared rays towards the filtering piece, and the first receiving end is used for receiving the infrared rays reflected back by the filtering piece; when the energy of the infrared rays received by the first receiving end is less than the preset energy, the filter element is judged to be clean; when the energy of the infrared rays received by the first receiving end is greater than the preset energy, the filter piece is judged to be unclean; wherein the first emitting end and the first receiving end are disposed on the same side of the filter.

Specifically, the energy of the infrared ray refers to the wavelength of the infrared ray, and accordingly, the predetermined energy is the predetermined wavelength.

In this embodiment, the method of controlling the air conditioning indoor unit, after the dust removing unit cleans the cleaning implement, includes:

step S500, judging whether the cleaning piece is clean;

step S501, after the cleaning piece is judged to be clean, controlling the drainage baffle to move to a drainage position so as to drain the cleaning liquid to the bottom shell to clean dust on the bottom shell;

in step S502, after the cleaning element is determined to be unclean, the rotation of the dust removing unit is controlled so that the cleaning element is cleaned by the dust removing unit.

Specifically, after step S401, it is necessary to determine whether the cleaning member is clean, and when it is detected that the cleaning member is cleaned, step S300 is executed; and when the cleaning piece is detected not to be cleaned, the dust removing part is enabled to continuously clean the cleaning piece. Such setting can guarantee that dust removal portion cleans clean piece.

Specifically, the air-conditioning indoor unit further comprises a second transmitting end and a second receiving end, wherein the second transmitting end is used for transmitting infrared rays towards the cleaning piece, and the second receiving end is used for receiving the infrared rays reflected back by the filtering piece; when the energy of the infrared rays received by the second receiving end is less than the preset energy, the cleaning piece is judged to be clean; when the energy of the infrared rays received by the second receiving end is greater than the preset energy, the cleaning piece is judged to be unclean; wherein, the second transmitting end and the second receiving end are arranged on the same side of the cleaning piece.

When the air conditioner runs in a filter self-cleaning mode, the driving device for rotating the hairbrush drives the hairbrush to move to be in contact with the filter screen, the driving device for the filter screen drives the filter screen to circularly move, and the hairbrush is rotated to brush dust on the filter screen onto the bottom shell to finish cleaning of the filter screen; the driving device for rotating the brush drives the brush to move to be in contact with the rotating comb teeth again, the driving device for rotating the comb teeth drives the comb teeth to rotate, and dust attached to the brush is brushed on the bottom shell; the driving device of the drainage baffle plate drives the drainage baffle plate to the upper part of the bottom shell for receiving dust, and drainage of condensed water is carried out to the drainage baffle plate, so that the dust is flushed out of the air conditioner.

In particular, the filter element has an initial state and a cyclically rotating state, the initial state of the filter element being the state in which the filter element filters the gas.

When the dust removal part is in the initial state, the dust removal part is fixed.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the air-conditioning indoor unit comprises a shell 10, a filtering piece 30, a cleaning piece 40 and a drainage baffle 50, wherein the filtering piece 30, the cleaning piece 40 and the drainage baffle 50 are all arranged in the shell 10; this indoor unit of air conditioner cleans filtering piece 30 through cleaning piece 40 to the dust that cleans drops to bottom shell 11, then through drainage baffle 50 with the washing liquid drainage to bottom shell 11 on, with the dust on the bottom shell 11 wash clean. The air conditioner indoor unit solves the problem of filth blockage of the filter element, and avoids the influence of the filter element on the air conditioner performance and the health problem; the filter piece 30 does not need to be disassembled manually for cleaning, and the dust collecting box does not need to be disassembled and cleaned manually, so that the operation is convenient and the cleaning is convenient; moreover, the cleaning liquid is drained to the bottom shell 11 through the drainage baffle 50, so that the cleaning liquid is prevented from flowing to electrical components, and the problems of low reliability and low electrical safety of the indoor unit of the air conditioner are solved.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

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

a housing (10) comprising a bottom shell (11);

a filter element (30) disposed within the housing (10);

a cleaning member (40) disposed in the housing (10), the cleaning member (40) having a first position contacting the filter member (30), the cleaning member (40) being disposed movably relative to the filter member (30), the dust on the filter member (30) cleaned by the cleaning member (40) falling onto the bottom case (11);

the drainage baffle (50) is arranged in the shell (10), the drainage baffle (50) is provided with a drainage position, and when the drainage baffle (50) is located at the drainage position, the drainage baffle (50) drains the cleaning liquid onto the bottom shell (11);

the housing (10) has a dust falling space (100) so that dust swept down by the filter member (30) passes through the dust falling space (100) and falls onto the bottom case (11); the drainage baffle (50) is movably arranged, the drainage baffle (50) is also provided with an avoiding position outside the dust falling space (100), and the drainage baffle (50) is switched between the avoiding position and the drainage position; when the sweeping piece (40) is at the first position, the drainage baffle (50) is at the avoidance position so as to prevent dust from falling on the drainage baffle (50);

the heat exchanger (20) is arranged in the shell (10), and condensed water generated by the heat exchanger (20) is the cleaning liquid;

when the drain baffle (50) is in the draining position, the drain baffle (50) extends from the heat exchanger (20) towards the bottom shell (11) to drain condensate water produced by the heat exchanger (20) to the bottom shell (11).

2. The indoor unit of air conditioner according to claim 1, wherein the baffle (50) is rotatably provided, and the baffle (50) has a rotating end and a free end which are oppositely provided; the air-conditioning indoor unit further comprises a first driving piece, and the first driving piece is connected with the rotating end to drive the drainage baffle (50) to rotate; when the drainage baffle (50) is in the drainage position, the free end extends towards the bottom shell (11).

3. An indoor unit according to claim 1 or 2, wherein the cleaning member (40) is movably provided, the cleaning member (40) further has a second position, and the cleaning member (40) is switched between the first position and the second position; the air-conditioning indoor unit further comprises:

and the dust removing part (70) is arranged in the shell (10), the dust removing part (70) can be rotatably arranged, and when the cleaning piece (40) is at the second position, the cleaning piece (40) is in contact with the dust removing part (70).

4. An air-conditioning indoor unit according to claim 1, wherein the filter member (30) has an annular structure; machine in air conditioning still includes first rotation portion (80) and second rotation portion (90), it establishes to filter piece (30) cover first rotation portion (80) with on second rotation portion (90), first rotation portion (80) with second rotation portion (90) all rotationally set up.

5. The indoor unit of air conditioner according to claim 1 or 2, characterized in that the bottom case (11) is provided with a drain outlet so that the cleaning liquid drained to the bottom case (11) is drained through the drain outlet.

6. An air conditioning indoor unit control method applied to the air conditioning indoor unit according to any one of claims 1 to 5, the air conditioning indoor unit control method comprising:

the method comprises the steps of entering a filter self-cleaning mode after receiving a cleaning filter signal;

controlling the cleaning piece to move to a first position, and controlling the filter piece and the cleaning piece to move relatively so that the cleaning piece cleans the filter piece;

and controlling the drainage baffle to move to a drainage position so as to drain the cleaning liquid to the bottom shell to clean the dust on the bottom shell.

7. The control method of an indoor unit of an air conditioner according to claim 6, wherein after the cleaning of the filter member by the cleaning member, the control method of the indoor unit of an air conditioner includes:

determining whether the filter element is clean;

after the filter element is judged to be clean, controlling the cleaning element to be switched to a second position, and controlling the dust removing part to rotate so that the dust removing part cleans the cleaning element;

after the filter element is determined to be unclean, the relative movement of the filter element and the cleaning element is controlled so that the cleaning element cleans the filter element.

8. The control method of an air conditioning indoor unit according to claim 7, wherein after the dust removing unit cleans the cleaning member, the control method of the air conditioning indoor unit includes:

determining whether the cleaning member is clean;

after the cleaning piece is judged to be clean, the control drainage baffle plate is executed to move to a drainage position so as to drain the cleaning liquid to the bottom shell to clean the dust on the bottom shell;

and after the cleaning piece is judged to be unclean, controlling the dust removing part to rotate so that the dust removing part cleans the cleaning piece.

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