Wall-mounted air conditioner indoor unit and control method thereof

Abstract

The embodiment of the invention discloses a wall-mounted air conditioner indoor unit and a control method thereof, and belongs to the technical field of air conditioners. The wall-mounted air conditioner indoor unit comprises a machine shell, a heat exchanger is arranged in the machine shell, a top space is defined between the top of the heat exchanger and an air inlet in the top of the machine shell, and a front space is defined between the front portion of the heat exchanger and the front portion of the machine shell; the filter screen sliding rail comprises a rail top section located in the top space and a rail side section communicated with the rail top section and located in the front space. The filter screen is movably arranged in the filter screen sliding rail; the filter screen cleaning mechanism comprises a cleaning brush, and the cleaning brush can move in the left-right direction of the machine shell. According to the embodiment of the invention, not only can the filter screen be cleaned in the height direction of the machine shell, but also the filter screen can be cleaned in the left-right direction of the machine shell, the filter screen can be cleaned in the two directions at the same time, and dust, chippings and the like on the filter screen can be swept more effectively.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner indoor unit and a control method thereof. BACKGROUND

[0002] With the increasing demand of consumers for air conditioner performance and functions, it is necessary to design novel and convenient air conditioners to meet user needs.

[0003] The existing automatic dust removal of the filter screen can move the filter screen to make the filter screen and the brush relatively move together, and clean the filter screen by the brush. However, in actual use, the cleaning effect is limited when cleaning by relative movement in one direction, and the dust on the filter screen cannot be effectively cleaned. SUMMARY

[0004] The embodiments of the present application provide a wall-mounted air conditioner indoor unit to at least solve the technical problem that the existing automatic dust removal of the filter screen can move the filter screen to make the filter screen and the brush relatively move together, and clean the filter screen by the brush. However, in actual use, the cleaning effect is limited when cleaning by relative movement in one direction, and the dust on the filter screen cannot be effectively cleaned.

[0005] According to a first aspect of the embodiments of the present application, a wall-mounted air conditioner indoor unit is provided, comprising: a cabinet, a top portion of the cabinet being formed with an air inlet;

[0006] A heat exchanger is arranged inside the cabinet, and a top portion of the heat exchanger and the air inlet of the top portion of the cabinet define a top space, and a front portion of the heat exchanger and a front portion of the cabinet define a front space;

[0007] A filter screen sliding rail is arranged inside the cabinet, and the filter screen sliding rail comprises a rail top section located in the top space, and a rail side section in communication with the rail top section and located in the front space;

[0008] A filter screen is movably arranged in the filter screen sliding rail, and the filter screen has a top position in the rail top section and a side position in the rail side section when moving;

[0009] A filter screen cleaning mechanism is arranged inside the cabinet, and the filter screen cleaning mechanism comprises a cleaning brush, the cleaning brush being capable of moving in the left-right direction of the cabinet, and the cleaning brush being used to clean the filter screen in the height direction of the cabinet and the left-right direction of the cabinet when the filter screen moves.

[0010] By adopting the embodiment, the filter screen can slide along the sliding track, the cleaning brush can also move, the filter screen can move in the height direction of the shell at the position of the cleaning brush, the cleaning brush can clean the filter screen in the height direction of the shell, and the cleaning brush can also move in the left-right direction of the shell to clean the filter screen in the left-right direction of the shell, so that dust and debris on the filter screen can be cleaned more effectively.

[0011] With reference to the first aspect, in an optional implementation of the embodiment of the present application, the filter screen cleaning mechanism further includes:

[0012] a brush sliding track arranged on the track side section and extending in the left-right direction of the shell, and the cleaning brush being slidingly arranged on the brush sliding track;

[0013] a driving mechanism arranged on the shell and located at one end of the brush sliding track, and configured to drive the cleaning brush to reciprocally slide along the brush sliding track.

[0014] By adopting the implementation, the brush sliding track can be arranged in two sections, the two sections are symmetrically arranged on the shell and located at two ends of the cleaning brush, the two ends of the cleaning brush are slidingly arranged on the brush sliding track, the driving mechanism can drive the cleaning brush to reciprocally slide on the brush sliding track, and the filter screen is rubbed to be cleaned in the left-right direction of the shell.

[0015] With reference to the first aspect, in an optional implementation of the embodiment of the present application, the driving mechanism includes:

[0016] a first driving motor, a base of which is fixedly connected with the shell;

[0017] a double-crank structure including a first crank and a second crank;

[0018] one end of the first crank and one end of the second crank being rotationally connected to each other, one end of the first crank, which is away from the second crank, being in transmission cooperation with a power output end of the first driving motor, and one end of the second crank, which is away from the first crank, being connected with the cleaning brush, so that the cleaning brush can reciprocally slide along the brush sliding track under the drive of the first driving motor.

[0019] By adopting the implementation, the double-crank structure can convert the rotary motion into horizontal motion to drive the cleaning brush to reciprocally slide along the brush sliding track, so that the filter screen is rubbed to be cleaned in the left-right direction of the shell.

[0020] With reference to the first aspect, in an optional implementation of the embodiment of the present application, the filter screen cleaning mechanism further includes:

[0021] The second drive motor has its base slidably mounted on the brush sliding track. One end of the cleaning brush along the left-right direction of the housing is driven by the output end of the second drive motor, and the other end is rotatably connected to a slider. The slider is slidably mounted on the brush sliding track so that the cleaning brush can rotate to the first position or the second position under the drive of the second drive motor.

[0022] The cleaning teeth are disposed on the inner wall of the housing and are located at a position corresponding to the cleaning brush, so that when the cleaning brush is in the first position, it can contact the filter screen to clean the filter screen, and when the cleaning brush is in the second position, it can contact the cleaning teeth to clean the cleaning brush.

[0023] By adopting this implementation method, the second drive motor can move together with the cleaning brush in the left and right direction of the housing, and the second drive motor can also drive the cleaning brush to rotate so that the cleaning brush can contact the cleaning teeth for self-cleaning.

[0024] In conjunction with the first aspect, in an optional implementation of this application embodiment, the filter screen is arranged in a cross-weaving manner, wherein the vertically woven mesh material is perpendicular to the extension direction of the brush sliding track, and the horizontally woven mesh material is perpendicular to the extension direction of the track side section of the filter screen sliding track.

[0025] By using this method, the orientation of the filter screen can be aligned with the cleaning direction of the cleaning brush, which allows the cleaning brush to clean the filter screen more effectively.

[0026] In conjunction with the first aspect, in an optional implementation of the embodiments of this application, the sliding track further includes a track bending section, and the top section of the track and the side section of the track are connected through the track bending section;

[0027] The track bending section is a curved arc structure, and the track bending section protrudes at least a first preset distance from the front side of the track side section toward the front space. When the brush assembly is in the first position, it can contact the filter screen surface located in the track bending section to clean it.

[0028] By adopting this implementation method, this structure can make the entire sliding track form an approximately "S" shaped track. This shape of the sliding track can not only make full use of the limited space inside the casing, reserving sufficient space for the filter to move, avoiding the overall casing from becoming thicker, reducing the space required for the indoor unit of the air conditioner, and improving the user experience, but also can be used with the brush assembly set at the bending section of the track. Due to this "S" shaped sliding track design, when dust falls longitudinally, it will not stick to the filter below, that is, located in the side track section, which can avoid secondary pollution. It can also allow the dust generated by the brush assembly cleaning the filter to fall more effectively from top to bottom.

[0029] In conjunction with the first aspect, in an optional implementation of the embodiments of this application, the wall-mounted air conditioner indoor unit further includes:

[0030] A dust collection box is provided in the front space and is used to collect the dust that falls off when the filter cleaning mechanism cleans the filter.

[0031] The dust collection box is detachably embedded in the front space.

[0032] By adopting this implementation method, the dust collection box can be detachably set in the front space of the front of the casing, making it convenient for users to remove the dust collection box and deal with the dust in the dust collection box.

[0033] According to a second aspect of the embodiments of this application, a control method is provided, the control method comprising:

[0034] The cleaning brush is controlled to contact the moving filter screen and clean the filter screen along the height direction of the housing. At the same time, the cleaning brush is controlled to move back and forth along the left and right direction of the housing to clean the filter screen simultaneously along the left and right direction of the housing.

[0035] In this embodiment, not only can the cleaning brush self-clean by contacting and rubbing against the cleaning teeth during rotation, but the first drive motor can also drive the cleaning brush to reciprocate in the left and right direction of the housing, so that the cleaning brush can also rub against the cleaning teeth in the left and right direction of the housing, which can improve the self-cleaning effect of the cleaning brush.

[0036] In conjunction with the second aspect, in an optional implementation of the embodiments of this application, the control method further includes:

[0037] While controlling the cleaning brush to rotate and contact the cleaning teeth, the cleaning brush is also controlled to move back and forth along the left and right directions of the housing, so that the cleaning teeth clean the cleaning brush simultaneously along the circumference of the cleaning brush and the left and right directions of the housing.

[0038] By adopting this implementation method, not only can the cleaning brush self-clean by contacting and rubbing against the cleaning teeth during the rotation of the cleaning brush, but the first drive motor can also drive the cleaning brush to reciprocate in the left and right direction of the housing, so that the cleaning brush can also rub against the cleaning teeth in the left and right direction of the housing, which can improve the self-cleaning effect of the cleaning brush.

[0039] In conjunction with the second aspect, in an optional implementation of this application embodiment, an electric heating element is further provided in the front space of the indoor unit, and the control method includes:

[0040] Obtain the torque when the first drive motor moves the cleaning brush;

[0041] When the torque reaches the preset torque, the electric heating element is activated to heat the filter screen and / or the cleaning brush.

[0042] Using this method, the torque of the first drive motor that moves the cleaning brush left and right can be detected. When the torque reaches the preset torque, it indicates that the torque is too large and the movement of the cleaning brush is obstructed. At this time, the cleaning brush and filter screen can be heated by the heating element to dry the dust. This can prevent the dust from condensing due to moisture and affecting the cleaning effect of the cleaning brush.

[0043] In conjunction with the second aspect, in an optional implementation of this application embodiment, heating the filter and / or the cleaning brush includes:

[0044] For each pair of filters and / or cleaning brushes heated for a preset time, the first drive motor is started once, and the torque of the first drive motor is obtained until the torque of the first drive motor is lower than the preset torque, or after a preset number of start-ups, an alarm is triggered and the machine is stopped.

[0045] Using this method, after the preset drying and heating time, the first drive motor is restarted. If it can operate normally and its torque is lower than the preset torque, it means that the clumps of dust have been dried and can be cleaned normally. If the torque is not lower than the preset torque, the above process is repeated. After repeating the process a preset number of times, if the torque is still greater than the preset torque, an alarm program is activated and the filter cleaning work is stopped, waiting for manual handling to avoid damage to the first drive motor, cleaning brush, or filter.

[0046] The wall-mounted air conditioner indoor unit according to an embodiment of the present invention can not only clean the filter screen along the height direction of the casing by generating relative displacement between the cleaning brush and the moving filter screen when the filter screen moves along the filter screen sliding track, but also clean the filter screen along the left and right directions of the casing by displacing the cleaning brush itself along the left and right directions of the casing. It can clean the filter screen in two directions at the same time, and can more effectively clean dust, debris and other particles on the filter screen.

[0047] The technical effects achieved by the second aspect are similar to those achieved by the corresponding technical means in the first aspect, and will not be repeated here. Attached Figure Description

[0048] Figure 1 This is a structural schematic diagram according to an embodiment of this application;

[0049] Figure 2 It is based on this application Figure 1 A magnified structural diagram of point A;

[0050] Figure 3 This is a schematic diagram of the arrangement of the first and second layers of cleaning teeth according to an embodiment of this application;

[0051] Figure 4 This is a schematic diagram of the drive mechanism according to one embodiment of this application;

[0052] Figure 5 This is an enlarged structural schematic diagram of the drive mechanism according to one embodiment of this application;

[0053] Figure 6 This is an enlarged structural schematic diagram of the cooperation between the limiting member and the rod body in one embodiment of this application;

[0054] Figure 7 This is a flowchart illustrating a control method according to an embodiment of this application.

[0055] Figure Labels

[0056] 1. Housing; 2. Air inlet; 3. Heat exchanger; 4. Filter sliding track; 41. Top section of track; 42. Side section of track; 43. Bending section of track; 5. Filter screen; 6. Filter cleaning mechanism; 61. Cleaning teeth; 611. First layer of cleaning teeth; 612. Second layer of cleaning teeth; 62. Brush assembly; 621. Cleaning brush; 622. Mounting frame; 623. Rod; 63. Second drive motor; 7. Moving parts; 8. Dust collection box; 9. Roller; 901. Rolling motor; 10. Dust collector bracket; 11. Dust collector cover; 12. Electric heating element; 13. Drive mechanism; 131. First drive motor; 132. Double crank structure; 1321. First crank; 1322. Second crank; 14. Limiting element. Detailed Implementation

[0057] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0058] Throughout the specification and claims, the following terms will have at least the meaning explicitly associated herein, unless the context otherwise requires. The meanings defined below are not intended to limit the terms, but are merely illustrative examples.

[0059] In the description of this invention, the phrase "in one embodiment" does not necessarily refer to the same embodiment, although it may refer to the same embodiment. Similarly, the phrase "in some embodiments," as used herein, does not necessarily refer to the same embodiment when used multiple times, although it may refer to the same embodiment. As used herein, the term "or" is an inclusive "or" operator and is equivalent to the term "and / or," unless the context clearly specifies otherwise. The term "based on" is not exclusive and allows for reliance on additional factors not described, unless the context clearly specifies otherwise. The word "exemplary" herein means "used as an example, instance, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior to or better than other embodiments. The scope of this invention is limited only by the scope of the appended claims, and any examples set forth in this specification are not intended to be limiting, but merely illustrate some of the many possible embodiments of the claimed invention. The various embodiments provided in this invention should not be construed as limiting the scope of protection of this invention.

[0060] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0061] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0062] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0063] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0064] As consumers have increasingly higher requirements for the performance and functions of air conditioners, there is a need to design air conditioners with novel and convenient functions to meet user needs.

[0065] Existing automatic dust removal systems for filters clean the filter by moving it so that it moves relative to a brush. However, in actual use, the cleaning effect is limited when cleaning is done by moving the filter in only one direction, and it cannot effectively remove the dust from the filter.

[0066] Based on this, such as Figures 1-6 As shown, an outdoor unit of an air conditioner according to an embodiment of the present invention includes: a housing 1, wherein an air inlet 2 is formed on the top of the housing 1;

[0067] Heat exchanger 3 is disposed inside the housing 1. A top space is defined between the top of the heat exchanger 3 and the air inlet 2 at the top of the housing 1, and a front space is defined between the front of the heat exchanger 3 and the front of the housing 1.

[0068] The filter sliding track 4 is disposed inside the housing 1. The filter sliding track 4 includes a top section 41 located in the top space and a side section 42 connected to the top section 41 and located in the front space.

[0069] The filter screen 5 is movably disposed in the filter screen sliding track 4, and the filter screen 5 has a top position located at the top section 41 of the track and a side position located at the side section 42 of the track when it moves.

[0070] A filter cleaning mechanism 6 is disposed inside the housing 1. The filter cleaning mechanism 6 includes a cleaning brush 621, which is capable of moving in the left and right direction of the housing 1. The cleaning brush 621 is used to clean the filter 5 along the height direction and the left and right direction of the housing 1 when the filter 5 moves.

[0071] Specifically, in the embodiments of the present invention, after installation, the top of the wall-mounted air conditioner indoor unit 1 faces the ceiling, the bottom of the unit 1 faces the base plate, the front of the unit 1 faces the user, and the rear of the unit 1 faces the wall, which is also the side that matches the wall. When the user is facing the unit 1, the left and right direction of the unit 1 is the left and right direction, the up and down direction of the unit 1 is the height direction, and the front and back direction of the unit 1 is the width direction.

[0072] The filter 5 can be a dust filter 5. The air entering the casing 1 from the air inlet 2 can be filtered through the filter 5 to remove dust and large particulate impurities, so as to prevent a large amount of dust from entering the casing 1 and affecting the normal operation of the indoor unit of the air conditioner.

[0073] The filter screen 5 is installed in a sliding track and can move within it. During its movement along the sliding track, the filter screen 5 can be cleaned by friction through the filter screen cleaning mechanism 6. That is, when the filter screen 5 needs cleaning, it can be moved from the top section 41 of the track to the side section 42 of the track. During the movement of the filter screen 5, the cleaning brush 621 in the filter screen cleaning mechanism 6 can rub against the filter screen 5. That is, the cleaning brush 621 can clean the moving filter screen 5 along the height direction of the casing 1, which can remove a large amount of dirt attached to the filter screen 5 and prevent a large amount of dirt from accumulating on the filter screen 5. This would not only affect the filtration performance of the filter screen 5, but also its air permeability, thus affecting the normal operation of the indoor unit of the air conditioner.

[0074] Furthermore, the cleaning brush 621 in this application can also move along the left and right direction of the housing 1. Through the relative movement between the cleaning brush 621 and the filter screen 5 along the left and right direction of the housing 1, the filter screen 5 can be cleaned along the left and right direction of the housing 1. This can remove a large amount of dirt attached to the filter screen 5, preventing a large amount of dirt from accumulating on the filter screen 5, which would not only affect the filtration performance of the filter screen 5, but also affect the air permeability of the filter screen 5, thus affecting the normal operation of the indoor unit of the air conditioner.

[0075] The left and right directions refer to the left and right directions when the user is facing the casing 1, which is the length direction of the casing 1.

[0076] Combining the two cleaning methods described above, the filter screen 5 slides along the filter screen sliding track 4 while the cleaning brush 621 also moves. At the position of the cleaning brush 621, the filter screen 5 moves in the height direction of the housing 1, allowing the cleaning brush 621 to clean the filter screen 5 along the height direction of the housing 1. The cleaning brush 621 itself can also move in the left and right direction of the housing 1 to clean the filter screen 5 in the left and right direction of the housing 1, which can more effectively clean the dust, debris and other particles on the filter screen 5.

[0077] The wall-mounted air conditioner indoor unit according to the present invention can not only clean the filter screen 5 along the height direction of the housing 1 by generating relative displacement between the cleaning brush 621 and the moving filter screen 5 along the filter screen sliding track 4, but also clean the filter screen 5 along the left and right directions of the housing 1 by the displacement of the cleaning brush 621 itself. It can clean the filter screen 5 in both directions at the same time, and can more effectively clean the dust, debris and other particles on the filter screen 5.

[0078] Optionally, in one implementation of this embodiment, the length of the cleaning brush is greater than the width of the filter screen 5; the housing 1 provides a space for the cleaning brush to move left and right.

[0079] Optionally, in one implementation of this embodiment, the cleaning brush 621 includes a horizontal brush cluster and a vertical brush cluster, with a horizontal gap and a vertical gap formed between the horizontal and vertical brush clusters.

[0080] Optionally, in one implementation of this embodiment, the filter screen 5 adopts a horizontal and vertical interlaced weave structure, with the horizontal direction of the filter screen weave structure parallel to the left and right directions of the casing.

[0081] Optionally, in one implementation of this embodiment, the wall-mounted air conditioner indoor unit is further provided with a brush cleaning mechanism, and the brush cleaning mechanism is further provided with cleaning teeth 61 for cleaning brush 621.

[0082] The cleaning teeth 61 are disposed on the inner wall of the housing 1 and are disposed on both sides of the cleaning brush 621 opposite to the filter screen.

[0083] The cleaning brush 621 can be rotated to a first position to contact the filter screen 5 in order to clean the filter screen 5; the cleaning brush 621 can be rotated to a second position to contact the cleaning teeth 61 in order to clean the cleaning brush 621 using the cleaning teeth 61.

[0084] Optionally, in one implementation of this embodiment, the wall-mounted air conditioner indoor unit is provided with a brush cleaning mode. In the brush cleaning mode:

[0085] The cleaning brush 621 rotates to the cleaning teeth and comes into contact with them.

[0086] The cleaning brush can be controlled to rotate and move laterally back and forth along the left and right sides of the housing according to preset rules.

[0087] Optionally, in one implementation of this embodiment, the filter cleaning mechanism 6 further includes:

[0088] A brush sliding track is provided on the side section 42 of the track. The brush sliding track extends in the left and right direction along the housing 1. The cleaning brush 621 is slidably disposed on the brush sliding track.

[0089] The drive mechanism 13 is disposed on the housing 1 and located at one end of the brush sliding track, and is used to drive the cleaning brush to reciprocate along the brush sliding track.

[0090] Specifically, the brush sliding track can be divided into two sections, which are symmetrically arranged on the housing 1 and located at both ends of the cleaning brush 621. The two ends of the cleaning brush 621 are slidably arranged on the brush sliding track, so that the drive mechanism 13 can drive the cleaning brush 621 to slide back and forth on the brush sliding track, rubbing against the filter screen 5, and cleaning the filter screen 5 in the left and right direction of the housing 1.

[0091] Optionally, in one implementation of this embodiment, the brush assembly 62 further includes:

[0092] A cleaning brush 621 is mounted on a rod body 623.

[0093] The filter cleaning mechanism 6 also includes:

[0094] The limiting member 14 has one end fixedly mounted on the housing 1 and the other end adapted to the rod 624. The rod 624 is slidably connected to the limiting member 14.

[0095] Specifically, the limiting component 14 allows the rod 624 to move left and right along the left and right direction of the housing 1, and also provides a limit for the rod 624 in the front-back and up-down directions to prevent the rod 624 from tilting and to provide a certain support for the rod 624.

[0096] Optionally, in one implementation of this embodiment, the drive mechanism 13 includes:

[0097] The first drive motor 131 has its base fixedly connected to the housing 1;

[0098] The double crank structure 132 includes a first crank 1321 and a second crank 1322;

[0099] The first crank 1321 and the second crank 1322 are rotatably connected at their close ends. The end of the first crank 1321 away from the second crank 1322 is connected to the power output end of the first drive motor 131. The end of the second crank 1322 away from the first crank 1321 is connected to the cleaning brush 621, so that the cleaning brush can reciprocate along the brush sliding track under the drive of the first drive motor 131.

[0100] Specifically, the first drive motor 131 includes a base for fixing the body and a power output end for driving the components to rotate. The base of the first drive motor 131 is connected to the fixed cover of the housing 1, and the power output end is connected to the double crank structure 132, driving the double crank structure 132 to move. The double crank structure 132 can convert the rotational motion into horizontal motion, driving the cleaning brush 621 to slide back and forth along the brush sliding track to rub against the filter screen 5 and clean the filter screen 5 in the left and right direction of the housing 1.

[0101] Specifically, it can be as follows: Figure 5 and Figure 6 As shown, the left and right directions are as illustrated. The first drive motor 131 can drive the first crank 1321 to rotate clockwise five times, equivalent to the cleaning brush 621 moving left and right five times each. The length of the first crank 1321 is L1, and the length of the second crank 1322 is L2. When the first crank 1321 rotates 90 degrees clockwise from its vertically upward position, it is equivalent to the cleaning brush 621 moving to the right (L1...). 2 +L2 2 ) 1 / 2 +L1-L2, when rotated to 180 degrees, the first crank 1321 is vertically downward, and the cleaning brush 621 returns to its original position. When rotated to 270 degrees, the first crank 1321 is horizontal, which is equivalent to the cleaning brush 621 moving to the left by L1+L2-(L1 2 +L2 2 ) 1 / 2 After rotating 360 degrees, it returns to its original position. Therefore, the total displacement of the cleaning brush 621 is (L1). 2 +L2 2 ) 1 / 2 +L1-L2+L1+L2-(L1 2 +L2 2 =2L2, so as to realize the reciprocating motion of the cleaning brush 621 driven by the double crank structure 132.

[0102] Optionally, in one implementation of this embodiment, the filter cleaning mechanism 6 further includes:

[0103] The second drive motor 63 has its base slidably mounted on the brush sliding track and is in transmission cooperation with the end of the second crank 1322 that is away from the first crank 1321, so as to reciprocate along the brush sliding track under the drive of the drive mechanism 13.

[0104] The power output end of the second drive motor 63 is in transmission cooperation with the rod 623 to drive the rod 623 to rotate along its axial direction, thereby causing the cleaning brush 621 to rotate.

[0105] Optionally, in one implementation of this embodiment, the brush sliding track includes a first sliding track segment and a second sliding track segment disposed opposite to each other in the left-right direction of the housing 1;

[0106] The second drive motor 63 is slidably mounted on the first sliding track section, and the second sliding track section is slidably mounted with a slider. The end of the rod 623 facing away from the second drive motor 63 is rotatably connected to the slider.

[0107] Specifically, the rod 623 can cooperate with two limiting members 14 to slide left and right while also rotating. Alternatively, by setting a first sliding track segment and a second sliding track segment, and setting a slider, the rod 623 can move left and right together with the slider and the second drive motor 63, and rotate with the slider without affecting the rotation of the rod 623. The slider can better support the rod 623, making the rotation of the rod 623 smoother.

[0108] Optionally, in one implementation of this embodiment, the cleaning brush 621 can rotate to a first position or a second position under the drive of the second drive motor 63;

[0109] The filter cleaning mechanism 6 also includes a cleaning tooth 61, which is disposed on the inner wall of the housing 1 and is located at a position corresponding to the cleaning brush 621. When the cleaning brush 621 is in the first position, it can contact the filter screen 5 to clean the filter screen 5. When the cleaning brush 621 is in the second position, it can contact the cleaning tooth 61 to clean the cleaning brush 621.

[0110] Specifically, the second drive motor 63 includes a base for fixing the body and a power output end for driving the components to rotate. The base of the second drive motor 63 is slidably mounted on the brush sliding track. One end of the cleaning brush 621 is connected to the power output end of the second drive motor 63 in a transmission cooperation, and the other end is rotatably connected to the slider. The slider is slidably mounted on another section of the brush sliding track, so that the second drive motor 63 can move in the left and right direction of the housing 1 together with the cleaning brush 621. In addition, the second drive motor 63 can also drive the cleaning brush 621 to rotate so that the cleaning brush 621 can contact the cleaning teeth 61 for self-cleaning.

[0111] Furthermore, while the cleaning brush 621 rotates and contacts the cleaning teeth 61 for self-cleaning, the first drive motor 131 can also drive the cleaning brush 621 to reciprocate in the left and right direction of the housing 1, so that the cleaning brush 621 can also rub against the cleaning teeth 61 in the left and right direction of the housing 1, which can improve the self-cleaning effect of the cleaning brush 621.

[0112] The cleaning teeth 61 may include a first layer of cleaning teeth 611 and a second layer of cleaning teeth 612. The first layer of cleaning teeth 611 has a plurality of first protrusions arranged in a row along the horizontal direction. The second layer of cleaning teeth 612 has a plurality of second protrusions arranged in two rows along the horizontal direction, and the two rows of second protrusions are staggered in the vertical direction. The length of the second protrusions in the vertical direction is less than the length of the first protrusions in the vertical direction. The first layer of cleaning teeth 611 and the second layer of cleaning teeth 612 are used to clean different dirt on the brush 621 component. The first layer of cleaning teeth 611 can be a row of long comb-like structures. The first layer of cleaning teeth 611 mainly cleans the lint and hair-like substances attached to the brush assembly 62. The second layer of cleaning teeth 612 can be two rows of short, staggered structures. The second layer of cleaning teeth 612 mainly cleans the particulate and powdery substances attached to the brush assembly 62. The first layer of cleaning teeth 611 and the second layer of cleaning teeth 612 work together to more effectively clean the brush assembly 62. In the specific cleaning process, the brush assembly 62 can first rotate to the position of the first layer of cleaning teeth 611, and then rotate about 100 degrees to the position of the second layer of cleaning teeth 612.

[0113] Optionally, in one implementation of this embodiment, the cleaning brush (621) includes a plurality of bristles, with lateral and vertical gaps between the bristles.

[0114] The bristles with horizontal and vertical gaps allow the cleaning brush 621 to better clean the teeth 61. When horizontal and vertical friction occurs, it can be cleaned more effectively, and at the same time, it can make better contact with the filter screen 5, thus improving the cleaning of the filter screen 5.

[0115] Optionally, in one implementation of this embodiment, the mesh material of the filter screen 5 is arranged in a cross-weaving manner, the vertically woven mesh material is perpendicular to the extension direction of the brush sliding track, and the horizontally woven mesh material is perpendicular to the extension direction of the track side section 42 of the filter screen sliding track 4.

[0116] Specifically, the horizontal and vertical orientations here are not strictly set at 90°; they can be slightly skewed. By aligning the orientation of the filter screen 5 with the cleaning direction of the cleaning brush 621, the cleaning brush 621 can more effectively clean the filter screen 5.

[0117] Optionally, in one implementation of this embodiment, the sliding track further includes a track bending section 43, and the top section 41 of the track and the side section 42 of the track are connected through the track bending section 43;

[0118] The track bending section 43 is a curved arc structure. The track bending section 43 protrudes at least a first preset distance from the front side of the track side section 42 toward the front space. When the brush assembly 62 is in the first position, it can contact the filter screen 5 located in the track bending section 43 to clean it.

[0119] Specifically, the sliding track consists of a top section 41, a side section 42, and a bend section 43. The bend section 43 curves forward relative to the side section 42 towards the front of the space, preventing dust from falling onto the side section 42 during filter cleaning. Furthermore, the bend section 43 curves a certain distance further forward from its lower protrusion towards the rear of the space, further preventing dust from falling onto the side section 42. This structure allows the entire sliding track to form... An approximately "S"-shaped sliding track not only makes full use of the limited space inside the housing 1, reserving ample space for the filter 5 to move, avoiding an overall increase in the thickness of the housing 1, reducing the space required for the indoor unit of the air conditioner, and improving the user experience, but also works in conjunction with the brush assembly 62 located at the bend section 43 of the track. Due to this "S"-shaped sliding track design, dust falling longitudinally will not stick to the filter 5 located on the side track section, thus avoiding secondary pollution. This allows the dust generated by the brush assembly 62 cleaning the filter 5 to fall more effectively from top to bottom.

[0120] Optionally, the wall-mounted air conditioner indoor unit further includes:

[0121] Dust collection box 8, which is located in the front space, is used to collect the dust that falls off when the filter cleaning mechanism 6 cleans the filter 5;

[0122] The dust collection box 8 is detachably embedded in the front space.

[0123] Specifically, by detachably placing the dust collection box 8 in the front space of the front of the housing 1, it is convenient for the user to remove the dust collection box 8 and handle the dust in the dust collection box 8.

[0124] A weight sensor can also be installed in the dust collection box 8. After the brush assembly 62 finishes dust removal, the indoor unit can determine whether the weight of the dust collection box has reached the preset value. If the preset value is reached, a reminder will be issued and the user can disassemble and clean the pull-out box.

[0125] Optionally, in one implementation of this embodiment, the wall-mounted air conditioner indoor unit may further include: a filter drive device, which includes a roller 9 rotatably disposed between the top section 41 and the side section 42 of the track. The roller 9 and the filter 5 are driven by gear meshing, thereby driving the filter 5 to move.

[0126] Among them, the roller 9 can be connected to the rolling motor 901 for transmission and is driven by the roller 9 motor.

[0127] The length of the filter screen 5 can be designed such that when the filter screen 5 is in the top or side position, at least part of the filter screen 5 is engaged with the roller 9 by gears, which can ensure that the filter screen 5 never disengages during operation.

[0128] Example 2

[0129] This application embodiment also provides a control method for a wall-mounted air conditioner indoor unit, wherein the indoor unit is the aforementioned indoor unit, characterized in that the control method includes:

[0130] The cleaning brush 621 is controlled to contact the moving filter screen 5 and clean the filter screen 5 along the height direction of the housing 1. At the same time, the cleaning brush 621 is controlled to move back and forth along the left and right direction of the housing 1 to clean the filter screen 5 simultaneously along the left and right direction of the housing 1.

[0131] Specifically, not only can the cleaning brush 621 clean the filter screen 5 along the height direction of the housing 1 by generating relative displacement between the filter screen 5 and the moving filter screen 5 along the filter screen sliding track 4, but it can also clean the filter screen 5 along the left and right directions of the housing 1 by moving the cleaning brush 621 itself. It can clean the filter screen 5 in both directions at the same time, which can more effectively clean the dust, debris and other particles on the filter screen 5.

[0132] Optionally, in one implementation of this embodiment, the control method further includes:

[0133] While controlling the cleaning brush 621 to rotate and contact the cleaning teeth 61, the cleaning brush 621 is controlled to move back and forth along the left and right directions of the housing 1, so that the cleaning teeth 61 clean the cleaning brush 621 simultaneously along the circumference of the cleaning brush 621 and the left and right directions of the housing 1.

[0134] Specifically, the cleaning brush 621 can not only self-clean by contacting and rubbing against the cleaning teeth 61 during rotation, but also by driving the cleaning brush 621 to reciprocate in the left and right direction of the housing 1 through the first drive motor 131, so that the cleaning brush 621 can also rub against the cleaning teeth 61 in the left and right direction of the housing 1, which can improve the self-cleaning effect of the cleaning brush 621.

[0135] Optionally, in one implementation of this embodiment, an electric heating element 12 is further provided in the front space of the indoor unit, and the control method includes:

[0136] The torque of the first drive motor 131 driving the cleaning brush 621 to move is obtained;

[0137] When the torque reaches the preset torque, the electric heating element 12 is activated to heat the filter screen 5 and / or the cleaning brush 621.

[0138] Specifically, the electric heating element 12 can be set on the inner wall of the housing or in the cleaning brush 621, so that the heat of the electric heating element 12 can radiate to the location of the filter screen 5 and the cleaning brush 621, and heat the cleaning brush 621 and the filter screen 5 to dry the moisture on the surface of the cleaning brush 621 and the filter screen 5.

[0139] Furthermore, the torque of the first drive motor 131 that drives the cleaning brush 621 to move left and right can be detected. When its torque reaches the preset torque, it indicates that the torque is too large and the movement of the cleaning brush 621 is obstructed. At this time, the cleaning brush 621 and the filter screen 5 can be heated by the heating element to dry the dust. This can prevent the dust from condensing due to moisture and affecting the cleaning effect of the cleaning brush 621.

[0140] Optionally, in one implementation of this embodiment, heating the filter 5 and / or the cleaning brush 621 includes:

[0141] For each pair of filters 5 and / or cleaning brushes 621 heated for a preset time, the first drive motor 131 is started once, and the torque of the first drive motor 131 is obtained until the torque of the first drive motor 131 is lower than the preset torque, or after a preset number of start-ups, an alarm is triggered and the machine is stopped.

[0142] Specifically, after the preset drying and heating time, the first drive motor 131 is restarted. If it can operate normally and its torque is lower than the preset torque, it means that the clumps of dust have been dried and can be cleaned normally. If the torque is not lower than the preset torque, the above process is repeated. After repeating the preset number of times, if the torque is still greater than the preset torque, the alarm program is activated and the cleaning of the filter screen 5 is stopped, waiting for manual handling to avoid damage to the first drive motor 131, the cleaning brush 621, or the filter screen 5.

[0143] Optionally, the brush cleaning mode can be performed after the filter cleaning mode is completed or before the filter cleaning mode is performed.

[0144] The brush cleaning mode includes controlling the cleaning brush 621 to rotate and contact the cleaning teeth 61, while controlling the cleaning brush 621 to move back and forth along the left and right directions of the housing 1, so that the cleaning teeth 61 can clean the cleaning brush 621 simultaneously along the circumference of the cleaning brush 621 and the left and right directions of the housing 1.

[0145] In the above embodiments of this application, the descriptions of each embodiment have their own emphasis. Parts not described in detail in a certain embodiment can be referred to in the relevant descriptions of other embodiments. The steps illustrated in the related flowcharts can be executed in a computer system such as a set of computer-executable instructions. Furthermore, although a logical order is shown in the flowcharts, in some cases, the steps shown or described may be performed in a different order than that shown here. In other words, the order of steps described in the foregoing embodiments is merely an example. Reasonable adjustments to the order of steps based on the content of the embodiments of this application are also within the protection scope of the embodiments of this application.

[0146] The sequence numbers or order of description of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0147] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0148] Although 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. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A wall-mounted air conditioner indoor unit, characterized in that, include: The housing (1) has an air inlet (2) formed on its top; Heat exchanger (3), the heat exchanger (3) is located inside the housing (1), the top of the heat exchanger (3) and the air inlet (2) at the top of the housing (1) define a top space, the front of the heat exchanger (3) and the front of the housing (1) define a front space. The filter sliding track (4) is located inside the housing (1). The filter sliding track (4) includes a top section (41) located in the top space and extending along the front-rear direction of the housing, and a side section (42) connected to the top section (41) and located in the front space and extending up and down along the housing. The filter screen (5) is movably disposed in the filter screen sliding track (4), and the filter screen (5) has a top position located at the top section (41) of the track to filter the air intake at the air inlet and a side position located at the side section (42) of the track to clean the filter screen when it moves. A filter cleaning mechanism (6) is located inside the housing (1). The filter cleaning mechanism (6) includes a brush assembly (62), which includes a cleaning brush (621) and a drive mechanism (13) for driving the cleaning brush. The cleaning brush (621) is a long strip brush, which is arranged laterally on one side of the filter screen (5) along the width direction of the filter screen (5). The cleaning brush (621) can be driven to rotate by the driving mechanism (13) and move along the left and right direction of the housing (1). The width direction of the filter screen (5) is in the same direction as the left and right direction of the housing (1). The wall-mounted air conditioner indoor unit is equipped with a filter cleaning mode. In the filter cleaning mode: When the filter screen (5) moves from the top position to the side position and / or from the side position to the top position along the filter screen sliding track (4), the cleaning brush (621) is controlled to contact the filter screen (5) and at the same time, the cleaning brush (621) can be controlled to move in the left and right direction along the housing (1) so as to clean the filter screen (5) both laterally and longitudinally.

2. The wall-mounted air conditioner indoor unit according to claim 1, characterized in that, The length of the cleaning brush is greater than the width of the filter screen; The housing (1) provides a space for the cleaning brush to move left and right.

3. The wall-mounted air conditioner indoor unit according to claim 2, characterized in that, The cleaning brush (621) includes a horizontal brush cluster and a vertical brush cluster, the horizontal brush cluster and the vertical brush cluster having a horizontal gap and a vertical gap.

4. The wall-mounted air conditioner indoor unit according to claim 3, characterized in that, The filter screen (5) has a cross-woven structure of horizontal and vertical directions, and the horizontal direction of the filter screen structure is parallel to the left and right direction of the casing.

5. The wall-mounted air conditioner indoor unit according to claim 1, characterized in that, The wall-mounted air conditioner indoor unit is also provided with a brush cleaning mechanism, which is further provided with cleaning teeth (61) for cleaning the brush (621). The cleaning teeth (61) are disposed on the inner wall of the housing (1) and are disposed on both sides of the cleaning brush (621) opposite to the filter screen; The cleaning brush (621) can be rotated to a first position to contact the filter screen (5) to clean the filter screen (5); the cleaning brush (621) can be rotated to a second position to contact the cleaning teeth (61) to clean the cleaning brush (621) using the cleaning teeth (61).

6. The wall-mounted air conditioner indoor unit according to claim 5, characterized in that, The wall-mounted air conditioner indoor unit is equipped with a brush cleaning mode. In the brush cleaning mode: The cleaning brush (621) turns towards the cleaning teeth and comes into contact with them; The cleaning brush can be controlled to rotate and reciprocate laterally along the left and right sides of the housing according to preset rules.

7. The wall-mounted air conditioner indoor unit according to any one of claims 1-6, characterized in that, The filter cleaning mechanism (6) also includes: A brush sliding track is provided in the front space and is located opposite to the top of the track side section (42). The brush sliding track extends in the left and right direction of the housing (1). The cleaning brush (621) is slidably disposed on the brush sliding track. The drive mechanism (13) is mounted on the housing (1) and located at one end of the brush sliding track. It is used to drive the cleaning brush (621) to rotate along the brush and slide back and forth along the sliding track.

8. The wall-mounted air conditioner indoor unit according to claim 7, characterized in that, The drive mechanism (13) includes: The first drive motor (131) has its base fixedly connected to the housing (1); A double-crank structure (132) includes a first crank (1321) and a second crank (1322); The first crank (1321) and the second crank (1322) are rotatably connected at their close ends. The end of the first crank (1321) away from the second crank (1322) is connected to the power output end of the first drive motor (131). The end of the second crank (1322) away from the first crank (1321) is connected to the brush assembly (62) so that the brush assembly (62) can reciprocate along the brush sliding track under the drive of the first drive motor (131). The second drive motor (63) has its base slidably disposed on the brush sliding track and is in transmission cooperation with the end of the second crank (1322) away from the first crank (1321) so as to reciprocate along the brush sliding track under the drive of the drive mechanism (13). The brush assembly (62) further includes a rod (623), on which the cleaning brush (621) is disposed; The power output end of the second drive motor (63) is in transmission cooperation with the rod (623) to drive the rod (623) to rotate along its axial direction, thereby causing the cleaning brush (621) to rotate.

9. The wall-mounted air conditioner indoor unit according to claim 8, characterized in that, The filter cleaning mechanism (6) also includes: A limiting member (14) is provided, one end of which is fixedly mounted on the housing (1) and the other end is adapted to the rod (624). The rod (624) is slidably connected to the limiting member (14).

10. The wall-mounted air conditioner indoor unit according to claim 9, characterized in that, The brush sliding track includes a first sliding track section and a second sliding track section that are arranged opposite to each other in the left and right direction of the housing (1); The second drive motor (63) is slidably mounted on the first sliding track segment, and the second sliding track segment is slidably mounted with a slider. The end of the rod (623) facing away from the second drive motor (63) is rotatably connected to the slider.

11. The wall-mounted air conditioner indoor unit according to claim 10, characterized in that, The sliding track also includes a track bending section (43), and the top section (41) of the track and the side section (42) of the track are connected through the track bending section (43); The track bending section (43) is a curved arc structure. The track bending section (43) protrudes towards the front side of the front space, and the part of the track side section (42) near the track bending section (43) protrudes towards the rear side of the front space. When the brush assembly (62) is in the first position, it can contact to clean the surface of the filter screen (5) located in the track bending section (43).

12. The wall-mounted air conditioner indoor unit according to claim 11, characterized in that, The wall-mounted air conditioner indoor unit also includes: Dust collection box (8), the dust collection box (8) is located in the front space and is used to collect the dust that the filter cleaning mechanism (6) drops when cleaning the filter (5); The dust collection box (8) is detachably embedded in the front space, below the filter cleaning mechanism (6).

13. The wall-mounted air conditioner indoor unit according to claim 10, characterized in that, The front space of the indoor unit is also provided with an electric heating element (12). When the torque of the first drive motor (131) driving the cleaning brush (621) to move reaches the preset torque, the electric heating element (12) is activated to heat the filter screen (5) and / or the cleaning brush (621).

14. A control method for a wall-mounted air conditioner indoor unit, wherein the indoor unit is the indoor unit as described in any one of claims 1-13, characterized in that, The control method includes: In the filter cleaning mode, the cleaning brush (621) is controlled to contact the filter (5) which is moving up and / or down, so that the cleaning brush cleans the filter (5) along the height direction of the housing (1); at the same time, the cleaning brush (621) is controlled to move back and forth along the left and right direction of the housing (1) to clean the filter (5) simultaneously along the left and right direction of the housing (1).

15. A control method for a wall-mounted air conditioner indoor unit, wherein the indoor unit is the indoor unit as described in any one of claims 5-13, characterized in that, The control method includes: In the filter cleaning mode, the cleaning brush (621) is controlled to contact the filter (5) which is moving up and / or down, so that the cleaning brush cleans the filter (5) along the height direction of the housing (1); at the same time, the cleaning brush (621) is controlled to move back and forth along the left and right direction of the housing (1) to clean the filter (5) along the left and right direction of the housing (1) simultaneously. In the brush cleaning mode, while controlling the cleaning brush (621) to rotate and contact the cleaning teeth (61), the cleaning brush (621) is controlled to move back and forth along the left and right directions of the housing (1) so that the cleaning brush (621) is cleaned by the cleaning teeth (61) simultaneously along the circumference of the cleaning brush (621) and the left and right directions of the housing (1).

16. A control method for a wall-mounted air conditioner indoor unit, wherein the indoor unit is the indoor unit as described in claim 14, characterized in that, The control method includes: In response to the filter cleaning mode, the cleaning brush (621) is controlled to contact the filter (5) moving up and / or down, so that the cleaning brush cleans the filter (5) in the height direction along the housing (1); at the same time, the cleaning brush (621) is controlled to move back and forth in the left and right direction along the housing (1) to clean the filter (5) in the left and right direction along the housing (1) simultaneously. During the execution of the filter cleaning mode, the torque of the first drive motor (131) driving the cleaning brush (621) to move is obtained in real time; If the torque reaches the preset torque, the electric heating element (12) is activated to heat the filter screen (5) and / or the cleaning brush (621).

17. The control method according to claim 16, characterized in that, Heating the filter (5) and / or the cleaning brush (621) includes: For each pair of filters (5) and / or cleaning brushes (621) heated for a preset time, the first drive motor (131) is started and its torque is obtained. If the torque of the first drive motor (131) is lower than the preset torque, the first drive motor (131) operates normally. If, after a preset number of start-ups, the torque of the first drive motor (131) is still higher than the preset torque, an alarm is triggered and the machine is stopped.

18. The control method according to claim 16, characterized in that, The control method further includes: Perform the brush cleaning mode after completing the filter cleaning mode or before completing the filter cleaning mode. The brush cleaning mode includes controlling the cleaning brush (621) to rotate and contact the cleaning teeth (61) while controlling the cleaning brush (621) to reciprocate along the left and right directions of the housing (1), so that the cleaning brush (621) is cleaned by the cleaning teeth (61) simultaneously along the circumference of the cleaning brush (621) and the left and right directions of the housing (1).

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