Wall-mounted air conditioner indoor unit, electronic device, air conditioner and control method

Abstract

The application discloses a wall-mounted air conditioner indoor unit, an electronic device, an air conditioner and a control method, and belongs to the technical field of air conditioning. The air duct of the wall-mounted air conditioner indoor unit comprises a first volute and a second volute, the first volute comprises a first movable volute section and a fixed volute section arranged in an up-down mode, and the second volute comprises a second movable volute section. In a lower air outlet mode, the first movable volute section and the fixed volute section are connected to form a lower air outlet volute profile, and the gap between the upper end of the second movable volute section and the cross-flow fan blade is smaller than the gap between the lower end of the second movable volute section and the cross-flow fan blade. In an upper air outlet mode, the first movable volute section is separated from the fixed volute section, and the gap between the upper end of the second movable volute section and the cross-flow fan blade is larger than the gap between the lower end of the second movable volute section and the cross-flow fan blade. In the lower air outlet mode and the upper air outlet mode, the air inlet area of the air duct is increased, the air inlet resistance is smaller than the air outlet resistance, the air flow is guided to flow downwards or upwards, and a better air outlet effect is achieved.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and more particularly to a wall-mounted air conditioner indoor unit, electronic equipment, air conditioner, and control method. Background Technology

[0002] An air conditioning unit with reversible air outlet function typically consists of an upper air outlet volute and a lower air outlet volute. The two volutes control the airflow through their respective motion mechanisms to achieve the switching of airflow direction.

[0003] However, the current duct system has a fixed duct profile and a fixed vent area. The resistance between the upper and lower vents of the duct cannot be adjusted, resulting in poor airflow performance when air is discharged from the top or bottom. Summary of the Invention

[0004] This application provides a wall-mounted air conditioner indoor unit, electronic equipment, air conditioner, and control method to at least solve the technical problem of poor air outlet performance caused by the fixed duct profile and fixed air outlet area of ​​the upper and lower air outlets of the air duct in an air conditioner with reversible air outlet function.

[0005] According to a first aspect of the embodiments of this application, a wall-mounted air conditioner indoor unit is provided, the wall-mounted air conditioner indoor unit comprising:

[0006] The casing has an upper air vent and a lower air vent;

[0007] A duct system is provided inside the housing. The duct system includes a duct and a cross-flow fan blade provided in the duct. The duct connects the upper air outlet and the lower air outlet. The duct includes a first volute and a second volute arranged along the front-rear direction of the housing. The cross-flow fan blade is located between the first volute and the second volute. The first volute includes a first movable volute section and a fixed volute section. The first movable volute section is located above the fixed volute section.

[0008] The first movable volute segment has two movement positions: a first position and a second position. In the first position, the first movable volute segment is connected to the fixed volute segment to form a downward air outlet volute profile. In the second position, the first movable volute segment is separated from the fixed volute segment, and the second position is higher than the first position. The second volute segment includes a second movable volute segment. The second movable volute segment has two movement positions: a third position and a fourth position. In the third position, the gap between the upper end of the second movable volute segment and the cross-flow fan blade is smaller than the gap between the lower end of the second movable volute segment and the cross-flow fan blade. In the fourth position, the gap between the upper end of the second movable volute segment and the cross-flow fan blade is larger than the gap between the lower end of the second movable volute segment and the cross-flow fan blade.

[0009] The wall-mounted air conditioner indoor unit includes a bottom air outlet mode and a top air outlet mode, wherein:

[0010] In the downward air outlet mode, the first movable volute section is located at the first position, and the second movable volute section is located at the third position; in the upward air outlet mode, the first movable volute section is located at the second position, and the second movable volute section is located at the fourth position.

[0011] In this embodiment, by setting a first volute including a movable volute section and a fixed volute section, and a second volute including a second movable volute section, and both the first and second volutes can be rotatably set, the coordination between the movable and fixed volute sections can be realized according to different air outlet states, and the gap between the two ends of the second movable volute section and the cross-flow fan blades can be adjusted. This increases the air inlet area of ​​the air duct in both downward and upward air outlet modes, making the air inlet resistance of the air duct less than the outlet resistance, guiding the airflow downward or upward, thereby obtaining a smoother downward or upward air outlet effect.

[0012] In conjunction with the first aspect, in an optional implementation of the embodiments of this application, the first movable volute segment is configured to rotate around a first circle center, and the lower end of the first movable volute segment is at a higher height at the second position than at the first position.

[0013] And / or, the second movable volute segment is configured to rotate about a second center, and the second movable volute segment rotates in such a manner that one end tends to move closer to the cross-flow fan blade and the other end tends to move away from the cross-flow fan blade.

[0014] In conjunction with the first aspect, in an optional implementation of the present application, the housing has a protrusion and a recess on the side near the second movable volute section, and the protrusion and the recess are arranged from top to bottom along the circumferential direction of the cross-flow fan blade. At least the wall surface of the protrusion facing the cross-flow fan blade is an arc surface, and the second movable volute section is movably disposed in the recess.

[0015] When the second movable volute section is in the third position, the upper end of the second movable volute section extends into the recess towards the direction of the cross-flow fan blade; when the second movable volute section is in the fourth position, the upper end of the second movable volute section retracts into the recess towards the direction of the cross-flow fan blade and connects with the arc surface of the protrusion to form an upper air outlet volute profile.

[0016] In conjunction with the first aspect, in an optional implementation of the embodiments of this application, when the second movable volute segment is in the third position, the lower end of the second movable volute segment retracts to the recess in a direction away from the cross-flow fan blade; and / or, when the second movable volute segment is in the fourth position, the lower end of the second movable volute segment extends out of the recess in a direction close to the cross-flow fan blade.

[0017] In conjunction with the first aspect, in an optional implementation of the embodiments of this application, the recess includes a first recess and a second recess, with the first recess located below the second recess, and the lower end of the second movable volute segment forming a first bend, wherein when the second movable volute segment is in the fourth position, the first bend is sealed to the second recess.

[0018] In conjunction with the first aspect, in an optional implementation of this application embodiment, a water receiving tray is provided on the side of the housing near the first movable volute segment, and the first movable volute segment is sealed to the water receiving tray in both the first position and the second position. In conjunction with the first aspect, in an optional implementation of this application embodiment,

[0019] In the downward air outlet mode, the gap between the first movable volute section and the cross-flow fan blade gradually increases from top to bottom, and the gap between the second movable volute section and the cross-flow fan blade gradually increases from top to bottom.

[0020] In the top-discharge mode, the gap between the upper part of the first movable volute section and the cross-flow fan blade gradually decreases from top to bottom, and the gap between the second movable volute section and the cross-flow fan blade gradually decreases from top to bottom.

[0021] In conjunction with the first aspect, in an optional implementation of the present application, in the top air outlet mode, the minimum gap between the upper part of the first movable volute section and the cross-flow fan blade is in the range of 3mm to 7mm, the maximum gap between the upper part of the first movable volute section and the cross-flow fan blade is in the range of 8mm to 15mm, and the minimum gap between the second movable volute section and the cross-flow fan blade is in the range of 3mm to 5mm.

[0022] And / or, in the downward air outlet mode, the minimum gap between the first movable volute section and the cross-flow fan blade is in the range of 3mm to 5mm, the minimum gap between the second movable volute section and the cross-flow fan blade is in the range of 3mm to 7mm, and the maximum gap between the second movable volute section and the cross-flow fan blade is in the range of 8mm to 15mm.

[0023] 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 a filter assembly, and a filter channel is formed inside the housing between the upper air vent and the lower air vent, and the filter assembly is movably disposed within the filter channel; the filter assembly includes a first filtering position opposite to the upper air vent and a second filtering position opposite to the lower air vent;

[0024] In the downward air outlet mode, the filter assembly is in the first filtering position;

[0025] In the top-outlet air mode, an airflow passage is formed between the first movable volute section and the fixed volute section, the filter assembly is in the second filtration position, and the filter assembly passes through the airflow passage.

[0026] According to a second aspect of the present application, a control method for a wall-mounted air conditioner indoor unit is provided. The control method is applied to the wall-mounted air conditioner indoor unit proposed in the first aspect of the present application. The control method includes:

[0027] In the down-venting mode or heating mode, the first movable volute section is controlled to be in the first position, and the second movable volute section is controlled to be in the third position.

[0028] In the top air outlet mode or cooling mode, the first movable volute section is controlled to be in the second position, and the second movable volute section is controlled to be in the fourth position.

[0029] According to a fourth aspect of the embodiments of this application, an electronic device is provided.

[0030] It includes one or more processors and a non-transitory computer-readable storage medium storing program instructions. When the one or more processors execute the program instructions, the one or more processors are used to implement the control method for the wall-mounted air conditioner indoor unit provided in the second or third aspect of the embodiments of this application.

[0031] According to a fifth aspect of the present application, an air conditioner is provided, including an outdoor unit and a wall-mounted air conditioner indoor unit provided in the first aspect of the present application, and also including electronic equipment provided in the fourth aspect of the present application.

[0032] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0033] Figure 1 This is a structural schematic diagram of the wall-mounted air conditioner indoor unit according to an embodiment of this application.

[0034] Figure 2 This is a state diagram of the first and second volutes of the wall-mounted air conditioner indoor unit in the down-discharge mode according to an embodiment of this application.

[0035] Figure 3 This is a state diagram of the first and second volutes in the air outlet mode of the wall-mounted air conditioner indoor unit according to an embodiment of this application.

[0036] Figure 4 This is an airflow path diagram of the wall-mounted air conditioner indoor unit in the bottom air outlet mode according to an embodiment of this application.

[0037] Figure 5 This is an airflow path diagram of the indoor unit of the wall-mounted air conditioner in the air outlet mode according to an embodiment of this application.

[0038] Figure 6 This is a control flow diagram of a specific example of this application.

[0039] Figure 7 This is a structural block diagram of an electronic device according to an embodiment of this application.

[0040] The attached figures are labeled as follows:

[0041] 1. Housing; 11. Upper air vent; 12. Lower air vent; 13. Water tray; 16. Recess; 161. First concave section; 162. Second concave section; 17. Protrusion; 2. Cross-flow fan blade; 31. First movable volute section; 313. Second bending section; 32. Fixed volute section; 34. Airflow passage; 4. First air vent; 5. Second air vent; 8. Second movable volute section; 81. First bending section; 9. Indoor heat exchanger; 10. Filter assembly; 60. Lower air guide mechanism; 70. Upper air guide mechanism; 100. Processor; 200. Communication bus; 300. User interface; 400. External communication interface; 500. Memory. Detailed Implementation

[0042] 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.

[0043] 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.

[0044] 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 "serving 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.

[0045] 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.

[0046] 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.

[0047] 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.

[0048] 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.

[0049] The embodiments described below are for illustrative purposes and not for limiting the scope of the invention. After carefully reading the teachings herein, those skilled in the art will readily apply these teachings to any number of air conditioning structure types falling within the spirit of this disclosure. Therefore, those skilled in the art can employ embodiments in which each or all of these elements are replaced with equivalents, and these embodiments are also included within the scope of the invention.

[0050] like Figures 1-4 As shown, this embodiment provides a wall-mounted air conditioner indoor unit. The wall-mounted air conditioner indoor unit includes a housing 1 and an air duct system. The air duct system includes an air duct and cross-flow fan blades 2 disposed within the air duct. Specifically, the housing 1 has an upper air inlet 11 and a lower air inlet 12. The upper air inlet 11 can be located at the top of the housing 1 or at the upper front side of the housing 1. The lower air inlet 12 can be located at the bottom of the housing 1 or at the lower front side of the housing 1.

[0051] Preferably, the upper air outlet 11 is provided with an upper air guide mechanism 70, which includes at least one upper air guide blade. In the lower air outlet mode, the at least one upper air guide blade opens the upper air outlet 11 and guides airflow from the upper air outlet 11 into the housing 1. In the upper air outlet mode, the upper air outlet 11 is also opened and its air outlet direction is adjusted. The lower air outlet 12 is provided with a lower air guide mechanism 60, which includes at least one lower air guide blade. In the upper air outlet mode, the at least one lower air guide blade opens the lower air outlet 12 and guides airflow from the lower air outlet 12 into the housing 1. In the lower air outlet mode, the lower air outlet 12 is also opened and its air outlet direction is adjusted.

[0052] The air duct connects the upwind opening 11 and the downwind opening 12, and extends along the airflow path between the upwind opening 11 and the downwind opening 12. The upper opening of the air duct is the first air vent 4 corresponding to the upwind opening 11, and the lower opening of the air duct is the second air vent 5 corresponding to the downwind opening 12.

[0053] The air duct includes a first volute and a second volute arranged along the front-rear direction of the housing, with the cross-flow fan 2 located between the first and second volutes. The first volute includes a first movable volute section 31 and a fixed volute section 32. The first movable volute section 31 is located above the fixed volute section 32. The movable volute section 31 has two positions: a first position and a second position. The second position is higher than the first position. The first position is referenced to... Figure 1 and Figure 2 The location of the first active volute segment 31a in the black line, and the second location are referenced. Figure 1 and Figure 3 The red line indicates the location of the first movable volute segment 31b. The second volute includes the second movable volute segment 8, whose movement positions include a third position and a fourth position. The third position is referenced... Figure 1 and Figure 2 The location of the second active volute segment 8a in the black line is shown below. (The second position is referenced.) Figure 1 and Figure 3 The location of the second active volute segment 8b, indicated by the red line in the middle.

[0054] The wall-mounted air conditioner indoor unit of this embodiment includes a bottom air outlet mode and a top air outlet mode, wherein:

[0055] In the downward air outlet mode, the upper air inlet 11 is the air inlet, the lower air outlet 12 is the air outlet, the first air outlet 4 is the air inlet end of the air duct, and the second air outlet 5 is the air outlet end of the air duct. The first movable volute section 31 is located at the lower first position. At this time, the first movable volute section 31 and the fixed volute section 32 are connected from top to bottom to form a downward air outlet volute profile. At this time, the air inlet area of ​​the air duct increases and the air inlet resistance decreases. At the same time, the sequential connection of the first movable volute section 31 and the fixed volute section 32 reduces the air outlet area at the lower end of the air duct, increasing the air outlet resistance. At this time, the air outlet resistance at the lower end of the air duct is greater than the air inlet resistance at the upper end, thereby guiding the airflow downward and obtaining a more stable downward air outlet effect.

[0056] The second movable volute section 8 is located in the third position. The gap between the upper end of the second movable volute section 8 and the cross-flow fan blade 2 is smaller than the gap between the lower end of the second movable volute section 8 and the cross-flow fan blade 2. Under the action of the cross-flow fan blade 22, the airflow entering the housing 1 from the upper air outlet 11 is blown out from the lower air outlet 12 along the lower air outlet volute profile. At this time, the upper end of the second volute is close to the cross-flow fan blade 2, so as to force the return airflow of the volute tongue part in the lower air outlet mode to be forced back into the cross-flow fan blade 2, thereby enhancing the eccentric vortex strength and stability of the cross-flow fan blade 2 during operation. Airflow direction reference Figure 4 As indicated by the red arrow.

[0057] In the top-discharge mode, the upper air outlet 11 is the air outlet, the lower air outlet 12 is the air inlet, the first air outlet 4 is the air outlet end of the duct, and the second air outlet 5 is the air inlet end of the duct. The first movable volute section 31 is located at the second position at a higher position, and the first movable volute section 31 is separated from the fixed volute section 32. At this time, the air outlet area at the upper end of the duct is reduced, increasing the air outlet resistance. At the same time, the first movable volute section 31, the fixed volute section 32, and the second movable volute section 33 are separated from each other, and an airflow passage 34 is formed between the fixed volute section 32 and the second movable volute section 33. This airflow passage serves as an auxiliary air inlet passage in the top-discharge mode, thereby increasing the air inlet area and reducing the air inlet resistance. At this time, the air outlet resistance at the upper end of the duct is greater than the air inlet resistance at the lower end of the duct, thereby guiding the airflow upward and obtaining a more stable top-discharge effect.

[0058] The second movable volute section 8 is located in the fourth position. The gap between the upper end of the second movable volute section 8 and the cross-flow fan blade 2 is greater than the gap between the lower end of the second movable volute section 8 and the cross-flow fan blade 2. At this time, the upper end of the second volute is positioned away from the cross-flow fan blade 2, and the second volute forms at least a partial upper outlet volute profile. Under the action of the cross-flow fan blade 22, the airflow entering the housing 1 from the upper air outlet 11 is blown out from the upper air outlet 11 along the second volute. Airflow direction reference: Figure 5 As indicated by the blue arrow.

[0059] In this embodiment, in the downward air outlet mode, the air inlet area at the upper end of the duct is increased to reduce the air inlet resistance, while the air outlet area at the lower end of the duct is appropriately reduced to increase the air outlet resistance. This results in the air outlet resistance at the lower end of the duct being greater than the air inlet resistance at the upper end, guiding the airflow downward and thus achieving a better downward air outlet effect. In the upward air outlet mode, the air outlet area at the upper end of the duct is reduced to increase the air outlet resistance. At the same time, the first movable volute section 31 and the fixed volute section 32 are separated, increasing the air inlet area at the lower end of the duct and reducing the air inlet resistance. This results in the air outlet resistance at the upper end of the duct being greater than the air inlet resistance at the lower end, guiding the airflow upward and thus achieving a better upward air outlet effect.

[0060] This embodiment features a first volute comprising a first movable volute section 31 and a fixed volute section 32, and a second volute comprising a second movable volute section 8. Both the first movable volute section 31 and the second movable volute section 8 are movable, allowing for different airflow conditions to be met. This enables the coordination between the first movable volute section 31 and the fixed volute section 32, as well as the adjustment of the gap between the two ends of the second movable volute section 8 and the cross-flow fan blade 2. This increases the airflow area of ​​the duct in both downward and upward airflow modes, making the airflow resistance less than the airflow resistance, guiding the airflow downward or upward, and thus achieving a smoother downward or upward airflow effect.

[0061] This embodiment does not limit the movement mode of the first movable volute segment 31 and the second movable volute segment 8.

[0062] In one example, the first movable volute segment 31 is configured to rotate about a first center, and the lower end of the first movable volute segment 31 is at a higher height in the second position than in the first position. When the first movable volute segment 31 switches from the first position to the second position, it rotates upward about the first center. When the first movable volute segment 31 switches from the second position to the first position, it rotates downward about the first center. The first center is referenced... Figure 1 The center A of the circle.

[0063] And / or, the second movable volute segment 8 is configured to rotate about a second center, and the second movable volute segment 8 rotates such that one end tends towards the cross-flow fan blade 2 and the other end tends away from the cross-flow fan blade 2. The second movable volute segment 8 includes a first end and a second end along the height direction of the housing 1, with the first end located above the second end. When the second movable volute segment 8 switches from a third position to a fourth position, the second movable volute segment 8 rotates about the second center, causing the first end to move away from the cross-flow fan blade 2 and the second end to move towards the cross-flow fan blade 2. When the second movable volute segment 8 switches from a fourth position to a third position, the second movable volute segment 8 rotates about the second center, causing the first end to move towards the cross-flow fan blade 2 and the second end to move away from the cross-flow fan blade 2. The second center is referenced to... Figure 1 The center B in the circle.

[0064] In other possible ways, the first movable volute section 31 and / or the second movable volute section 8 can also be moved by folding, translation or telescoping to increase the air intake area of ​​the air duct in the down-outlet mode or the up-outlet mode.

[0065] In one alternative implementation, a protrusion 17 and a recess 16 are formed on the side of the housing 1 near the second movable volute section 8, and the protrusion 17 and the recess 16 are arranged from top to bottom along the circumferential direction of the cross-flow fan blade 2. At least the wall surface of the protrusion 17 facing the cross-flow fan blade 2 is an arc surface, and the second movable volute section 8 is movably disposed in the recess 16. When the second movable volute section 8 is in the third position, the upper end of the second movable volute section 8 extends into the recess 16 in the direction close to the cross-flow fan blade 2, so as to force part of the return airflow in the downward air outlet mode to return to the interior of the cross-flow fan blade 2, thereby enhancing the eccentric vortex strength and stability of the cross-flow fan blade 2 during operation. When the second movable volute section 8 is in the fourth position, the upper end of the second movable volute section 8 retracts into the recess 16 in the direction away from the cross-flow fan blade 2 and connects with the arc surface of the protrusion 17 to form an upward air outlet volute profile, so as to guide the airflow to the upward air outlet 11.

[0066] Preferably, when the second movable volute section 8 is in the third position, the lower end of the second movable volute section 8 retracts towards the recess 16 in a direction away from the cross-flow vane 2, thereby increasing the gap between the lower end of the second movable volute section 8 and the cross-flow vane 2. This stabilizes the eccentric vortex below the second movable volute section 8, causing the airflow to flow from top to bottom. And / or, when the second movable volute section 8 is in the fourth position, the lower end of the second movable volute section 8 extends towards the recess 16 in a direction closer to the cross-flow vane 2, thereby reducing the gap between the lower end of the second movable volute section 8 and the cross-flow vane 2. This prevents the generation of an eccentric vortex at this location and forces the eccentric vortex to move towards the first movable volute section 31, improving the stability of the upward airflow.

[0067] In one alternative implementation, the recess 16 includes a first recess 161 and a second recess 162, with the first recess 161 located below the second recess 162. When the second movable volute section 8 is in the fourth position, the lower part of the second movable volute section 8 is sealed to the second recess 162, thereby preventing the cross-flow fan blade 2 from absorbing the airflow from the downflow outlet 12 through the gap between the second movable volute section 8 and the housing 1, thus preventing backflow.

[0068] In one example, the lower end of the second movable volute segment 8 forms a first bend 81, and when the second movable volute segment 8 is in the fourth position, the first bend 81 is sealed to the second recess 162.

[0069] In one optional implementation, a water collection tray 13 is provided on the side of the housing 1 near the first movable volute section 31. The wall-mounted air conditioner indoor unit also includes an indoor heat exchanger 9, which is located above the cross-flow fan blades 2 and is semi-enclosed on the outer periphery of the cross-flow fan blades 2. The water collection tray 13 is located below the indoor heat exchanger 9 to collect the condensate generated by the indoor heat exchanger 9. In both the first movable volute section 31 and the second position, the first movable volute section 31 is sealed to the water collection tray 13, thereby preventing the airflow from flowing back to the cross-flow fan blades 2 through the gap between the first movable volute section 31 and the water collection tray 13, thus reducing the airflow volume.

[0070] For example, when the first movable volute section 31 is in the first position, its upper end is sealed to the upper end of the water receiving tray 13, thereby preventing the cross-flow fan blade 2 from absorbing airflow from the lower air outlet 12 through the gap between the first movable volute section 31 and the housing 1, thus preventing backflow. When the first movable volute section 31 is in the second position, its lower end is sealed to the lower end of the water receiving tray 13, thereby preventing the cross-flow fan blade 2 from absorbing airflow from the upper air outlet 11 through the gap between the first movable volute section 31 and the housing 1, thus preventing backflow.

[0071] In one example, the upper end of the first movable volute segment 31 forms a second bend 313. When the first movable volute segment 31 is in the first position, the second bend 313 is sealed to the upper end of the water receiving tray 13. The lower end of the first movable volute segment 31 is in contact with and sealed to the housing 1. In other possible implementations, a first connecting structure can be provided at the lower end of the first movable volute segment 31, and a second connecting structure can be provided on the housing 1, with the sealing achieved through the cooperation of the first and second connecting structures.

[0072] In one alternative implementation, refer to Figure 2 In the downward air outlet mode, the first movable volute section 31 and the fixed volute section 32 are connected to form the downward air outlet volute profile. The gap between the first movable volute section 31 and the cross-flow fan blade 2 gradually increases from top to bottom, and the gap between the second movable volute section 8 and the cross-flow fan blade 2 gradually increases from top to bottom. At this time, the upper end of the first movable volute section 31 serves as the volute throat, and the lower end of the second movable volute section 8 serves as the volute tongue. This forces the eccentric vortex to stabilize at the lower volute tongue, thereby causing the airflow to flow from top to bottom, i.e., downward air outlet.

[0073] Preferred, refer to Figure 2 In the downward air outlet mode, the minimum gap between the first movable volute section 31 and the cross-flow fan blade 2 is b2, and the value of b2 ranges from 3mm to 5mm. The minimum gap between the second movable volute section 8 and the cross-flow fan blade 2 is a2, and the value of a2 ranges from 3mm to 7mm. The maximum gap between the second movable volute section 8 and the cross-flow fan blade 2 is c2, and the value of c2 ranges from 8mm to 15mm.

[0074] In one alternative implementation, refer to Figure 3 In the top-discharge mode, the gap between the upper part of the first movable volute section 31 and the cross-flow fan blade 2 gradually decreases from top to bottom. Similarly, the gap between the second movable volute section 8 and the cross-flow fan blade 2 gradually decreases from top to bottom. At this time, the upper end of the first movable volute section 31 acts as the volute tongue, and the lower end of the second movable volute section 8 acts as the volute throat. This forces the airflow between the cross-flow fan blade 2 and the volute tongue to be forced into the interior of the cross-flow fan blade 2, thereby forcing the eccentric vortex to move towards the first movable volute section 31. The gradual decrease in the gap between the first movable volute section 31 and the cross-flow fan blade 2 stabilizes the eccentric vortex and improves airflow stability.

[0075] Preferred, refer to Figure 3In the top and bottom air outlet mode, the minimum gap between the upper part of the first movable volute section 31 and the cross-flow fan blade 2 is a1, and the value of a1 ranges from 3mm to 7mm. The maximum gap between the upper part of the first movable volute section 31 and the cross-flow fan blade 2 is c1, and the value of c1 ranges from 8mm to 15mm. The minimum gap between the second movable volute section 8 and the cross-flow fan blade 2 is b1, and the value of b1 ranges from 3mm to 5mm.

[0076] In one alternative implementation, the wall-mounted air conditioner indoor unit further includes a filter assembly 10. A filter channel is formed inside the housing 1 between the upper air vent 11 and the lower air vent 12, and the filter assembly 10 is movably disposed within the filter channel. The filter assembly 10 includes a first filtering position opposite to the upper air vent 11 and a second filtering position opposite to the lower air vent 12. The first filtering position is referenced... Figure 1 and Figure 2 The location of the black filter assembly 10a in the middle, and the second filter position are referenced. Figure 1 and Figure 3 Location of the red filter assembly 10b.

[0077] In the down-discharge mode, the filter assembly 10 is in the first filtering position to filter the airflow entering the housing 1 from the up-vent 11. In the up-discharge mode, an airflow passage 34 is formed between the first movable volute section 31 and the fixed volute section 32, and the filter assembly 10 is in the second filtering position to filter the airflow entering the housing 1 from the down-vent 12. Because an airflow passage 34 is formed between the fixed volute section 32 and the second movable volute section 8, the filter assembly 10 passes through the airflow passage 34.

[0078] In this embodiment, when the air is in the top air outlet state, the first movable volute section 31 is separated from the fixed volute section 32, which increases the air inlet area of ​​the air duct and avoids the first movable volute section 31 from interfering with the filter assembly 10.

[0079] In this embodiment, there is no limitation on the way the first movable volute section 31, the second movable volute section 8, and the filter assembly 10 are moved. For example, the movement of the above components can be driven by a combination of motor, gear, and rack. No specific limitation is made here.

[0080] In one optional implementation, the upper air guide mechanism located at the upwind vent includes a first air guide component and a second air guide component. The first air guide component and the second air guide component are arranged along the front-rear direction of the housing. The first air guide component is rotatably connected to the rear side of the housing, and the second air guide component is rotatably connected to the front side of the housing. The first air guide component includes at least one first air guide plate, and the second air guide component includes at least one second air guide plate.

[0081] In both the bottom-outlet and top-outlet modes, the first and second air guide components open the upper air vents in a way that keeps them far apart from each other. The opening angle of the first air guide plate in the bottom-outlet mode is greater than that in the top-outlet mode. This increases the air intake at the upper air vent in the bottom-outlet mode and guides the airflow towards the front of the housing in the top-outlet mode. At this time, the opening angle of the second air guide plate in the bottom-outlet mode is the same as that in the top-outlet mode.

[0082] Preferably, the first air guide assembly includes multiple first air guide plates, which are arranged sequentially along the front-to-back direction. The two ends of the multiple air guide plates are rotatably configured with respect to both sides of the length direction of the housing 1. When the first air guide assembly opens or closes the upper air outlet, the multiple air guide plates can be controlled to rotate synchronously. This can improve the uniformity of airflow in the upper air outlet mode and improve the uniformity of airflow entering the housing in the lower air outlet mode when the first air guide assembly opens the upper air outlet.

[0083] In one optional implementation, the downwind guide mechanism located at the downwind outlet includes a third guide component and a fourth guide component. The third guide component and the fourth guide component are arranged along the front-rear direction of the housing 1. The third guide component is rotatably connected to the rear side of the housing 1, and the fourth guide component is rotatably connected to the front side of the housing 1. The third guide component includes at least one third guide plate, and the fourth guide component includes at least one fourth guide plate.

[0084] In the down-discharge mode, the third guide component is in a swing state, and the fourth guide component is in a closed state. In the up-discharge mode, the third and fourth guide components open the down-vent with their vents positioned far apart from each other. This swinging motion in down-discharge mode improves the uniformity of airflow distribution within the room, while increasing the air intake volume at the down-vent in up-discharge mode. Preferably, in up-discharge mode, both the first and second guide vanes are at their maximum opening angle.

[0085] In one alternative implementation, at least one of the first air guide component, the second air guide component, the third air guide component, and the fourth air guide component is a combined air guide component, wherein:

[0086] The combined air guide assembly includes multiple air guide plates, with connecting components between adjacent air guide plates; each air guide plate has a first state that can be driven independently, and a second state that is connected to adjacent air guide plates through connecting components and can be driven simultaneously with adjacent air guide plates; each air guide plate can be controlled in either the first state or the second state.

[0087] Furthermore, the air guide assembly includes multiple driving components, which are connected one-to-one with multiple air guide plates. In the first state, the air guide plate is driven by its corresponding driving component. In the second state, the air guide plate is driven by its corresponding driving component, or by the driving components of other air guide plates that are driven simultaneously with the air guide plate.

[0088] Furthermore, the connecting component includes a first attracting element and a second attracting element that can attract each other. The first attracting element and the second attracting element are respectively located on two adjacent air guide plates. At least one of the first attracting element and the second attracting element is an electromagnetic element. When the electromagnetic element is energized, the air guide plate is in a second state. When the electromagnetic element is de-energized, the air guide plate is in a first state.

[0089] This embodiment employs a modular air guide assembly, which allows for adjustments to the air guide plate layout to achieve different airflow effects depending on the desired airflow mode. For example, multiple air guide plates can be sequentially connected to form a large air guide plate, driven by a single drive mechanism; alternatively, multiple air guide plates can be driven independently; or a portion of the multiple air guide plates can be sequentially connected to form a large air guide plate, simultaneously driven by a single drive mechanism, while other portions are driven independently. The specific arrangement of the multiple air guide plates can be flexibly adjusted based on a comprehensive consideration of factors such as the airflow mode, indoor ambient temperature, and user requirements.

[0090] This embodiment also provides a control method for a wall-mounted air conditioner indoor unit. The control method is applied to the wall-mounted air conditioner indoor unit mentioned above. The control method includes: in the down-discharge mode or heating mode, controlling the first movable volute section 31 to be in the first position and controlling the second movable volute section 8 to be in the third position; in the up-discharge mode or cooling mode, controlling the first movable volute section 31 to be in the second position and controlling the second movable volute section 8 to be in the fourth position.

[0091] This embodiment also provides a control method for a wall-mounted air conditioner indoor unit. The control method is applied to the control method for the wall-mounted air conditioner indoor unit proposed above. The control method includes: in the down-discharge mode or heating mode, controlling the first movable volute section 31 to be in a first position, controlling the second movable volute section 8 to be in a third position, and controlling the filter assembly 10 to be in a first filtering position; in the up-discharge mode or cooling mode, controlling the first movable volute section 31 to be in a second position, controlling the second movable volute section 8 to be in a fourth position, and controlling the filter assembly 10 to be in a second filtering position.

[0092] In a specific implementation, refer to Figure 6The flowchart illustrates the control method for the indoor unit of a wall-mounted air conditioner, which includes the following steps: After the air conditioner is turned on, the air duct is reset, with the state of the first volute when air is exiting from the lower air vent 12 serving as the reset standard. First, the filter assembly 10 needs to move to the first filter position corresponding to the upper air vent 11, the first movable volute section 31 moves to the first position, and the second movable volute section 8 moves to the third position. Its start-up time is independent of the previous steps and can be started at any time, completing the entire unit's reset.

[0093] When a command for the downward air outlet mode or the heating mode is received, the air conditioner starts operating directly. When a command for the upward air outlet mode or the cooling mode is received, each component needs to act accordingly. First, the first movable volute section 31 moves to the second position, the second movable volute section 8 moves to the fourth position, and the filter moves to the second filter position corresponding to the downward air outlet 12, completing the air duct switching and starting the air conditioner.

[0094] This embodiment also provides an electronic device, which includes one or more processors and a non-transitory computer-readable storage medium storing program instructions. When the one or more processors execute the program instructions, the one or more processors are used to implement the control method for the wall-mounted air conditioner indoor unit proposed above.

[0095] Specifically, such as Figure 7 As shown, the electronic device includes a processor 100, at least one communication bus 200, a user interface 300, at least one external communication interface 400, and a memory 500. The communication bus 200 is configured to enable communication between these components. The user interface 300 may include a display screen, and the external communication interface 400 may include standard wired and wireless interfaces. The memory 500 stores control methods for a wall-mounted air conditioner indoor unit. The processor 100 uses the aforementioned methods when executing the control methods for the wall-mounted air conditioner indoor unit stored in the memory 500.

[0096] This embodiment also provides an air conditioner, including an outdoor unit and the wall-mounted indoor unit of the air conditioner described above, as well as the electronic equipment described above.

[0097] The descriptions of the above electronic devices and air conditioners are similar to those of the above method embodiments, and have similar beneficial effects. For technical details not disclosed in the electronic devices and air conditioners of this application, please refer to the descriptions of the method embodiments of this application for understanding.

[0098] 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.

[0099] The storage medium can be a non-volatile storage medium; in other words, it can be a non-transient storage medium.

[0100] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A wall-mounted air conditioner indoor unit, characterized in that, The wall-mounted air conditioner indoor unit includes: The casing has an upper air vent and a lower air vent; A duct system is provided inside the housing. The duct system includes a duct and a cross-flow fan blade provided in the duct. The duct connects the upper air outlet and the lower air outlet. The duct includes a first volute and a second volute arranged along the front-rear direction of the housing. The cross-flow fan blade is located between the first volute and the second volute. The first volute includes a first movable volute section and a fixed volute section. The first movable volute section is located above the fixed volute section. The first movable volute segment has two movement positions: a first position and a second position. In the first position, the first movable volute segment is connected to the fixed volute segment to form a downward air outlet volute profile. In the second position, the first movable volute segment is separated from the fixed volute segment, and the second position is higher than the first position. The second volute segment includes a second movable volute segment. The second movable volute segment has two movement positions: a third position and a fourth position. In the third position, the gap between the upper end of the second movable volute segment and the cross-flow fan blade is smaller than the gap between the lower end of the second movable volute segment and the cross-flow fan blade. In the fourth position, the gap between the upper end of the second movable volute segment and the cross-flow fan blade is larger than the gap between the lower end of the second movable volute segment and the cross-flow fan blade. The wall-mounted air conditioner indoor unit includes a bottom air outlet mode and a top air outlet mode, wherein: In the downward air outlet mode, the first movable volute section is located at the first position, and the second movable volute section is located at the third position; in the upward air outlet mode, the first movable volute section is located at the second position, and the second movable volute section is located at the fourth position.

2. The wall-mounted air conditioner indoor unit according to claim 1, characterized in that, The first movable volute segment is configured to rotate around a first center, and the lower end of the first movable volute segment is at a higher height at the second position than at the first position. And / or, the second movable volute segment is configured to rotate about a second center, and the second movable volute segment rotates in such a manner that one end tends to move closer to the cross-flow fan blade and the other end tends to move away from the cross-flow fan blade.

3. The wall-mounted air conditioner indoor unit according to claim 1, characterized in that, The housing has a protrusion and a recess on the side near the second movable volute section, and the protrusion and the recess are arranged from top to bottom along the circumferential direction of the cross-flow fan blade. At least the wall surface of the protrusion facing the cross-flow fan blade is an arc surface, and the second movable volute section is movably disposed in the recess. When the second movable volute section is in the third position, the upper end of the second movable volute section extends into the recess towards the direction of the cross-flow fan blade; when the second movable volute section is in the fourth position, the upper end of the second movable volute section retracts into the recess towards the direction of the cross-flow fan blade and connects with the arc surface of the protrusion to form an upper air outlet volute profile.

4. The wall-mounted air conditioner indoor unit according to claim 3, characterized in that, When the second movable volute section is in the third position, the lower end of the second movable volute section retracts to the recess in a direction away from the cross-flow fan blade; and / or, when the second movable volute section is in the fourth position, the lower end of the second movable volute section extends out of the recess in a direction closer to the cross-flow fan blade.

5. The wall-mounted air conditioner indoor unit according to claim 4, characterized in that, The recess includes a first recess and a second recess, with the first recess located below the second recess. The lower end of the second movable volute segment forms a first bend. When the second movable volute segment is in the fourth position, the first bend is sealed to the second recess.

6. The wall-mounted air conditioner indoor unit according to claim 1, characterized in that, A water receiving tray is provided on the side of the housing near the first movable volute section. When the first movable volute section is in the first position and the second position, the first movable volute section is sealed to the water receiving tray.

7. The wall-mounted air conditioner indoor unit according to claim 1, characterized in that, In the downward air outlet mode, the gap between the first movable volute section and the cross-flow fan blade gradually increases from top to bottom, and the gap between the second movable volute section and the cross-flow fan blade gradually increases from top to bottom. In the top-discharge mode, the gap between the upper part of the first movable volute section and the cross-flow fan blade gradually decreases from top to bottom, and the gap between the second movable volute section and the cross-flow fan blade gradually decreases from top to bottom.

8. The wall-mounted air conditioner indoor unit according to claim 7, characterized in that, In the top-discharge mode, the minimum gap between the upper part of the first movable volute section and the cross-flow fan blade is in the range of 3mm to 7mm, the maximum gap between the upper part of the first movable volute section and the cross-flow fan blade is in the range of 8mm to 15mm, and the minimum gap between the second movable volute section and the cross-flow fan blade is in the range of 3mm to 5mm. And / or, in the downward air outlet mode, the minimum gap between the first movable volute section and the cross-flow fan blade is in the range of 3mm to 5mm, the minimum gap between the second movable volute section and the cross-flow fan blade is in the range of 3mm to 7mm, and the maximum gap between the second movable volute section and the cross-flow fan blade is in the range of 8mm to 15mm.

9. The wall-mounted air conditioner indoor unit according to any one of claims 1-8, characterized in that, The wall-mounted air conditioner indoor unit also includes a filter assembly. A filter channel is formed inside the housing between the upper air vent and the lower air vent. The filter assembly is movably disposed within the filter channel. The filter assembly includes a first filter position opposite to the upper air vent and a second filter position opposite to the lower air vent. In the downward air outlet mode, the filter assembly is in the first filtering position; In the top-outlet air mode, an airflow passage is formed between the first movable volute section and the fixed volute section, the filter assembly is in the second filtration position, and the filter assembly passes through the airflow passage.

10. A control method for a wall-mounted air conditioner indoor unit, characterized in that, The control method is applied to the indoor unit of the wall-mounted air conditioner according to any one of claims 1-9, and the control method includes: In the down-venting mode or heating mode, the first movable volute section is controlled to be in the first position, and the second movable volute section is controlled to be in the third position. In the top air outlet mode or cooling mode, the first movable volute section is controlled to be in the second position, and the second movable volute section is controlled to be in the fourth position.

11. A control method for a wall-mounted air conditioner indoor unit, characterized in that, The control method is applied to the wall-mounted air conditioner indoor unit according to claim 9, and the control method includes: In the down-ventilation mode or heating mode, the first movable volute section is controlled to be in the first position, the second movable volute section is controlled to be in the third position, and the filter assembly is controlled to be in the first filtration position. In the top air outlet mode or cooling mode, the first movable volute section is controlled to be in the second position, the second movable volute section is controlled to be in the fourth position, and the filter assembly is controlled to be in the second filtration position.

12. An electronic device, characterized in that, It includes one or more processors and a non-transitory computer-readable storage medium storing program instructions, wherein when the one or more processors execute the program instructions, the one or more processors are used to implement the control method for the wall-mounted air conditioner indoor unit provided in claim 10 or 11.

13. An air conditioner, characterized in that, It includes an outdoor unit and a wall-mounted air conditioner indoor unit as described in any one of claims 1-9, and also includes the electronic device as described in claim 12.

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