A wall-mounted air conditioner

Abstract

The application provides a wall-mounted air conditioner, and belongs to the technical field of air conditioners. The wall-mounted air conditioner is designed through a rotatable volute, realizes switching of a single fan system between different air outlet positions, and enables air flow to be selectively sent out from the front side or the bottom side of a shell, or simultaneously sent out from both sides, so that the air supply direction is optimized according to the cooling or heating requirement, the air flow rationality is improved, cold air blowing or hot air gathering is avoided, the indoor temperature distribution uniformity and user comfort are enhanced, multi-direction air supply is realized without increasing the number of fans, the structure is simplified, and the air supply efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of air conditioner technology, and more specifically, to a wall-mounted air conditioner. Background Technology

[0002] Currently, air conditioner indoor units generally use a single air outlet method, such as front air outlet or bottom air outlet. In cooling mode, cold air blows directly onto people, affecting user comfort; in heating mode, because hot air has a lower density, it tends to linger in the upper part of the room, resulting in a large vertical temperature difference and affecting the heating effect.

[0003] Although some existing air conditioners use a multi-outlet air outlet structure, most of them are designed with fixed air ducts, which cannot flexibly adjust the air outlet direction and air volume distribution according to actual usage needs, thus limiting the air supply efficiency and comfort of the air conditioner. Utility Model Content

[0004] This application provides a wall-mounted air conditioner. The wall-mounted air conditioner utilizes a rotatable volute design to switch a single fan system between different air outlet positions. This allows airflow to be selectively delivered from the front or bottom of the casing, or simultaneously from both sides. This optimizes the airflow direction according to cooling or heating needs, improves airflow rationality, avoids direct cold air blowing or hot air accumulation, enhances indoor temperature uniformity and user comfort, and achieves multi-directional airflow without increasing the number of fans, simplifying the structure and improving airflow efficiency. Specifically: The first aspect of this application provides a wall-mounted air conditioner, the air conditioner comprising: The casing has a first air outlet on the front side and a second air outlet on the bottom side. The air duct assembly includes a volute and a fan. The volute is located inside the housing, and the fan is located inside the volute. The airflow generated by the fan can be sent out through the air outlet of the volute. The volute can be controlled to rotate circumferentially around the rotation center of the fan to change the air delivery direction of the volute outlet. Along the rotation path of the volute, the volute has a first air outlet position, a second air outlet position, and a third air outlet position. When the volute is in the first air outlet position, the volute outlet and the first air outlet are connected, and the air flowing through the volute outlet is delivered through the first air outlet. When the volute is in the second air outlet position, the volute outlet and the second air outlet are connected, and the air flowing through the volute outlet is discharged through the second air outlet. When the volute is in the third air outlet position, the volute air outlet is connected to both the first and second air outlets. Part of the air flowing through the volute air outlet is sent out through the first air outlet, and the other part of the air is sent out through the second air outlet.

[0005] In the above technical solution, when the volute is in the first air outlet position, the entire air outlet of the volute corresponds to the first air outlet. When the volute is in the second air outlet position, the entire air outlet of the volute corresponds to the second air outlet; When the volute is in the third air outlet position, part of the volute air outlet corresponds to the first air outlet and the other part corresponds to the second air outlet.

[0006] In the above technical solution, the first air outlet is located at the bottom front side of the housing, and the second air outlet is located at the front bottom side of the housing, so as to construct a first air outlet and a second air outlet that are adjacent to each other at the lower front of the housing.

[0007] In the above technical solution, the wall-mounted air conditioner also includes: The air distribution mechanism includes an adjustable air distribution plate, which is disposed between a first air outlet and a second air outlet, and the air distribution plate has at least a first adjustment position and a second adjustment position when it is adjusted. in When the volute is in the first air outlet position corresponding to the first air outlet, the volute air outlet and the first air outlet form a first gap at the corresponding position, and the air distribution plate can seal the first gap when it is in the first adjustment position. When the volute is in the second air outlet position corresponding to the first air outlet, the volute air outlet and the second air outlet form a second gap at the corresponding position, and the air distribution plate can seal the second gap when it is in the second adjustment position.

[0008] In the above technical solution, the air distribution plate also has a third adjustment position when it is adjusted; When the volute is in the third air outlet position corresponding to the first and second air outlets, the air distribution plate can be adjusted to the third adjustment position in the middle area of ​​the volute air outlet, so that a part of the airflow sent out by the volute air outlet can be guided to the first air outlet and another part of the airflow can be guided to the second air outlet.

[0009] In the above technical solution, the first air outlet includes an upper edge and a lower edge of the first air outlet that are opposite each other. The second air outlet includes the front edge of the second air outlet and the rear edge of the second air outlet, which are opposite to each other. The lower edge of the first air outlet extends horizontally toward the rear of the casing, and the leading edge of the second air outlet extends vertically toward the top of the casing. The rearward extension of the lower edge of the first air outlet is connected to the upward extension of the leading edge of the second air outlet. The air distribution plate is movably located at the connection point between the lower edge of the first air outlet and the front edge of the second air outlet.

[0010] In the above technical solution, the volute air outlet has a first volute edge and a second volute edge; When the volute is in the first air outlet position, the air distribution plate is adjusted to the first adjustment position. At this time, the first opening edge of the volute corresponds to the upper edge of the first air outlet horizontally, and the second opening edge of the volute corresponds to the lower edge of the first air outlet horizontally. The air distribution plate overlaps horizontally between the second opening edge of the volute and the lower edge of the first air outlet, so as to guide the airflow at the volute air outlet to the first air outlet while sealing the first gap. When the volute is in the second air outlet position, the air distribution plate is in the second adjustment position. At this time, the first opening of the volute corresponds to the front edge of the second air outlet along the longitudinal direction, and the second opening of the volute corresponds to the rear edge of the second air outlet along the longitudinal direction. The air distribution plate overlaps longitudinally between the edge of the first opening of the volute and the front edge of the second air outlet, so as to guide the airflow at the air outlet of the volute to the second air outlet while sealing the second gap.

[0011] In the above technical solution, when the air distribution plate is horizontally overlapped between the second edge of the volute and the lower edge of the first air outlet, at least a portion of the air distribution plate is attached to the air duct wall on the side of the second edge of the volute. and / or When the air distribution plate is longitudinally overlapped between the first opening edge and the leading edge of the second air outlet of the volute, at least a portion of the air distribution plate is set to fit against the air duct wall on the side of the first opening edge of the volute.

[0012] In the above technical solution, the air distribution mechanism also includes: The fixed bracket includes a horizontal fixed bracket and an inclined fixed bracket. One end of the horizontal fixed bracket is connected to the rearward extension end of the lower edge of the first air outlet, and the other end extends laterally to the rear side of the casing. One end of the inclined fixed bracket is connected to the rearward extension end of the horizontal fixed bracket, and the other end extends downward at an incline to the air duct wall at the front edge of the second air outlet. The air distribution plate is rotatably positioned at the connection point between the horizontal fixed frame and the inclined fixed frame.

[0013] In the above technical solution, the lateral extension distance of the horizontal fixed frame is L1, and the distance from the edge of the air outlet of the volute to the rotation center of the volute is R, where L1 = *R. and / or An angle α is formed between the inclined fixing frame and the duct wall at the leading edge of the second air outlet, where 120°≤α≤150°; and / or The length of the air distribution plate is L2, and the lateral extension distance of the horizontal fixing frame is L1, where L2 = *L1.

[0014] In the above technical solution, the air duct assembly is configured to have multiple sets, and the multiple sets of air duct assemblies are arranged side by side and spaced apart in the length direction of the casing, and an air intake channel is formed between two adjacent air duct assemblies. The top of the housing is also provided with an air inlet, and the volute of the air duct assembly is also provided with an air inlet that connects to the air intake channel. The airflow that enters through the top air inlet can enter the volute through the air intake channel and the air inlet, and is then sent out through the volute outlet under the action of the fan inside the volute.

[0015] In the above technical solution, the fan is a centrifugal fan installed inside the volute. The centrifugal fan includes a centrifugal impeller that can take in air on both sides of the axial direction, and the volute has air inlets on both sides of the axial direction corresponding to the air inlet side of the centrifugal impeller.

[0016] In the above technical solution, the air conditioner also includes: The detection module is used to detect the user's position relative to the air conditioner and / or detect the airflow speed of the air conditioner. The control module is used to adjust the fan speed and / or adjust the air delivery direction of the volute air outlet according to the user's position relative to the air conditioner and / or the air outlet speed of the air conditioner.

[0017] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: The wall-mounted air conditioner in this embodiment uses a rotatable volute design to switch a single fan system between different air outlet positions, allowing airflow to be selectively delivered from the front or bottom of the casing, or simultaneously from both sides. This optimizes the airflow direction according to cooling or heating needs, improves the rationality of airflow, avoids direct cold air blowing or hot air accumulation, enhances the uniformity of indoor temperature distribution and user comfort, and achieves multi-directional airflow without increasing the number of fans, simplifying the structure and improving airflow efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the internal structure of the wall-mounted air conditioner in the embodiments of this application. Figure 1 The figure shows the state of the volute in the first air outlet position and the second air outlet position; Figure 2 for Figure 1 Enlarged structural diagram at point A; Figure 3 This is a schematic diagram of the internal structure of the wall-mounted air conditioner in the embodiments of this application. Figure 2 The volute in the picture is located at the first air outlet position; Figure 4 This is a schematic diagram of the internal structure of the wall-mounted air conditioner in the embodiments of this application. Figure 3 The volute in the picture is located at the second air outlet position; Figure 5 This is a schematic diagram of the internal structure of the wall-mounted air conditioner in the embodiments of this application. Figure 4 The volute in the picture is located at the third air outlet position; Figure 6 This is a control flowchart of the wall-mounted air conditioner during operation in an embodiment of this application.

[0019] in: 10-Casing; 101-First air outlet; 1011-Upper edge of first air outlet; 1012-Lower edge of first air outlet; 102-Second air outlet; 1021-Leading edge of second air outlet; 1022-Rear edge of second air outlet; 103-Air inlet; 20 - Duct assembly; 201 - Volute; 202 - Fan; 30-Air distribution mechanism; 301-Air distribution plate; 302-Fixed bracket; 3021-Horizontal fixed bracket; 3022-Inclined fixed bracket. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown 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 this utility model, and should not be construed as limiting this utility model.

[0021] 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. In the description of this utility model, 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, when used multiple times, does not necessarily refer to the same embodiment, 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 utility model 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 to illustrate some of the many possible embodiments of the claimed utility model. The various embodiments provided by this utility model should not be construed as limiting the scope of protection of this utility model.

[0022] In the description of this utility model, 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", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0023] 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 utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," 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 utility model according to the specific circumstances.

[0025] 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.

[0026] Example like Figures 1-6 As shown, the first aspect of this application provides a wall-mounted air conditioner, the air conditioner comprising: The housing 10 has a first air outlet 101 on the front side and a second air outlet 102 on the bottom side. The air duct assembly 20 includes a volute 201 and a fan 202. The volute 201 is disposed inside the housing 10, and the fan 202 is disposed inside the volute 201. The airflow generated by the fan 202 can be sent out through the volute outlet of the volute 201. The volute 201 can be controlled to rotate circumferentially around the rotation center of the fan 202 to change the air delivery direction of the volute outlet. In the rotation path of the volute 201, the volute 201 has a first air outlet position, a second air outlet position and a third air outlet position. When the volute 201 is in the first air outlet position, the volute outlet and the first air outlet 101 are connected, and the air flowing through the volute outlet is delivered through the first air outlet 101. When the volute 201 is in the second air outlet position, the volute outlet and the second air outlet 102 are connected, and the air flowing through the volute outlet is discharged through the second air outlet 102. When the volute 201 is in the third air outlet position, the volute air outlet is connected to the first air outlet 101 and the second air outlet 102. Part of the air flowing through the volute air outlet is sent out through the first air outlet 101, and the other part of the air is sent out through the second air outlet 102.

[0027] In this embodiment, the wall-mounted air conditioner allows the volute 201 in the duct assembly 20 to rotate circumferentially around the rotation center of the fan 202, enabling the volute outlet to switch between a first, second, and third outlet position. When the volute 201 is in the first outlet position, airflow is delivered through the first outlet 101 on the front side of the casing 10, suitable for cooling mode to avoid direct cold air blowing on the human body. When the volute 201 is in the second outlet position, airflow is delivered through the second outlet 102 on the bottom side of the casing 10, suitable for heating mode to allow hot air to rise naturally and be evenly distributed. When the volute 201 is in the third outlet position, airflow is simultaneously delivered through the first outlet 101 and the second outlet 102, achieving dual-duct air delivery, expanding the air delivery area, and accelerating temperature regulation. Thus, without increasing the number of fans, the flexible adjustment of the air delivery direction is achieved through the cooperation of a single fan 202 and the rotatable volute 201, improving air delivery efficiency, indoor temperature uniformity, and user comfort.

[0028] Furthermore, in some possible implementations, when the volute 201 is in the first air outlet position, the entire air outlet of the volute corresponds to the first air outlet 101. When the volute 201 is in the second air outlet position, the entire air outlet of the volute corresponds to the second air outlet 102. When the volute 201 is in the third air outlet position, part of the volute air outlet corresponds to the first air outlet 101 and the other part corresponds to the second air outlet 102.

[0029] This solution ensures that the airflow path always precisely coincides with the selected air outlet by limiting the "opening correspondence" of the volute air outlet in three positions, thus avoiding air leakage or backflow: In the first air outlet position, the entire opening of the volute air outlet is completely aligned with the first air outlet 101 of the casing 10, achieving centralized air supply of the entire front volume; in the second air outlet position, the entire opening is completely aligned with the second air outlet 102, achieving centralized air supply of the entire bottom volume; in the third air outlet position, the opening is naturally divided, with one part aligned with the first air outlet 101 and the other part aligned with the second air outlet 102. Thus, two independent and balanced airflow channels can be formed in the dual-airflow mode using the same volute air outlet, ensuring that both air outlets receive a stable airflow simultaneously without additional air distribution components, simplifying the structure and improving air supply efficiency and temperature uniformity.

[0030] Furthermore, in some possible embodiments, the first air outlet 101 is disposed at the bottom front side of the housing 10, and the second air outlet 102 is disposed at the front bottom side of the housing 10, so as to construct the first air outlet 101 and the second air outlet 102 being disposed adjacent to each other at the lower front of the housing 10.

[0031] In this embodiment, the first air outlet 101 is arranged at the bottom front side of the casing 10, and the second air outlet 102 is arranged at the front bottom side, so that the two air outlets are adjacent to each other at the lower front of the casing 10, forming a "shared side" layout. Thus, when the volute 201 switches between the first, second, and third air outlet positions, the volute air outlet only needs to rotate slightly to instantly complete the transition from the lower front to directly below and then to simultaneously cover both the lower front and directly below, shortening the airflow turning distance and reducing air volume loss and noise. At the same time, the adjacent dual outlet structure at the lower front allows cold and hot air to flow downwards along the wall or diffuse along the ground, using natural air convection to achieve rapid and uniform mixing, further improving the comfort effect of cooling away from people and heating on the ground, and reducing dead corners.

[0032] Furthermore, in some possible implementations, the wall-mounted air conditioner also includes: The air distribution mechanism 30 includes an adjustable air distribution plate 301, which is disposed between the first air outlet 101 and the second air outlet 102, and the air distribution plate 301 has at least a first adjustment position and a second adjustment position when it is adjusted. in When the volute 201 is in the first air outlet position corresponding to the volute air outlet and the first air outlet 101, the volute air outlet and the first air outlet 101 form a first gap at the corresponding position, and the air distribution plate 301 can seal the first gap when it is in the first adjustment position. When the volute 201 is in the second air outlet position corresponding to the volute air outlet and the second air outlet 102, the volute air outlet and the second air outlet 102 form a second gap at the corresponding position, and the air distribution plate 301 can seal the second gap when it is in the second adjustment position.

[0033] In this embodiment, the air distribution mechanism 30 is provided with a rotatable air distribution plate 301 between the first air outlet 101 and the second air outlet 102. When the volute 201 is in a single air outlet position, the air distribution plate 301 swings to the first adjustment position or the second adjustment position, respectively closing the first gap formed between the volute air outlet and the first air outlet 101 or the second gap formed between the volute air outlet and the second air outlet 102, thereby blocking the backflow channel at the non-working air outlet and avoiding air leakage, cross-flow, and airflow short circuit. When the volute 201 switches to the third air outlet position, the air distribution plate 301 can be adjusted to the intermediate posture to soften and divide the two airflows, further improving the stability of air volume distribution and air delivery uniformity in the dual-air duct mode, and achieving efficient, low-noise, and comfortable operation under all working conditions.

[0034] Furthermore, in some possible implementations, the air distribution plate also has a third adjustment position when it is adjusted; When the volute 201 is in the third air outlet position corresponding to the first air outlet 101 and the second air outlet 102, the air distribution plate can be adjusted to the third adjustment position in the middle area of ​​the volute air outlet, so that a part of the airflow sent out by the volute air outlet can be guided to the first air outlet 101 and another part of the airflow can be guided to the second air outlet 102.

[0035] In this embodiment, the air distribution plate 301 extends into the middle of the air outlet of the volute when in the third adjustment position, becoming a dynamically adjustable "airflow dividing blade". By utilizing its angle of attack and position changes, it instantly divides and guides the entire airflow about to leave the volute: part of the airflow is guided upward and deflected, adhering to the front surface of the air distribution plate and flowing towards the first air outlet 101, while the other part of the airflow adheres to the back of the air distribution plate and deflects downward, flowing towards the second air outlet 102. Thus, under the same volute and the same rotation speed, two stable, balanced, and clearly directional air jets are formed. This guiding effect weakens the vortex interference between the two outlets in the dual-channel mode, ensuring that the front and lower and directly lower outlets simultaneously obtain continuous and uniform airflow, further improving the overall heat exchange efficiency and room temperature uniformity, and reducing the noise generated by airflow impact, achieving a fast, quiet, and comfortable bidirectional air supply effect.

[0036] Furthermore, in some possible implementations, the first air outlet 101 includes an upper edge 1011 and a lower edge 1012 of the first air outlet that are opposite each other. The second air outlet 102 includes a front edge 1021 and a rear edge 1022 of the second air outlet, which are opposite to each other. The lower edge 1012 of the first air outlet extends laterally toward the rear side of the housing 10, and the front edge 1021 of the second air outlet extends longitudinally toward the top side of the housing 10. The rearward extension end of the lower edge 1012 of the first air outlet is connected to the upward extension end of the front edge 1021 of the second air outlet. The air distribution plate 301 is movably disposed at the connection position between the lower edge 1012 of the first air outlet and the front edge 1021 of the second air outlet.

[0037] In this embodiment, the lower edge 1012 of the first air outlet extends laterally backward and the front edge 1021 of the second air outlet extends longitudinally upward, with the two extended ends converging inside the housing 10 to form a rigid "L-shaped" ridge. The rotation axis of the air distribution plate 301 is arranged at this ridge, so that the swing center of the air distribution plate 301 is exactly located at the geometric center of the junction between the first air outlet 101 and the second air outlet 102. This allows the air distribution plate 301 to fit against the volute wall in both the first and second adjustment positions, thus facilitating the sealing of the corresponding gaps. At the same time, the air distribution plate 301 can be suspended in the center of the ridge in the third adjustment position, forming a symmetrical guide surface. This "ridge axis" design ensures that the three adjustment positions of the air distribution plate 301 are close to the airflow bifurcation point, with the shortest sealing path and the smallest lever arm, reducing driving torque and wear, and achieving lightweight, low-noise, high-reliability gap sealing and precise air distribution.

[0038] Furthermore, in some possible implementations, the volute outlet has opposing first and second volute edges. When the volute 201 is in the first air outlet position, the air distribution plate 301 is adjusted to the first adjustment position. At this time, the first opening edge of the volute corresponds to the upper edge 1011 of the first air outlet in the horizontal direction, and the second opening edge of the volute corresponds to the lower edge 1012 of the first air outlet in the horizontal direction. The air distribution plate 301 overlaps horizontally between the second opening edge of the volute and the lower edge 1012 of the first air outlet, so as to guide the airflow at the air outlet of the volute to the first air outlet 101 while sealing the first gap. When the volute 201 is in the second air outlet position, the air distribution plate 301 is in the second adjustment position. At this time, the first opening of the volute corresponds to the front edge 1021 of the second air outlet along the longitudinal direction, and the second opening of the volute corresponds to the rear edge 1022 of the second air outlet along the longitudinal direction. The air distribution plate 301 overlaps longitudinally between the first opening edge of the volute and the front edge 1021 of the second air outlet, so as to guide the airflow at the volute air outlet to the second air outlet 102 while sealing the second gap.

[0039] In this embodiment, the "first edge of the volute" and the "second edge of the volute" themselves are used as movable sealing boundaries. By rotating the air distribution plate 301 at the ridge, the "overlapping" air guiding and sealing are integrated: when the volute 201 rotates to the first air outlet position, the air distribution plate 301 is placed horizontally, with its front end overlapping the lower edge 1012 of the first air outlet and its rear end overlapping the second edge of the volute, forming a continuous air guiding slope, which not only blocks the first gap but also smoothly guides the airflow to the first air outlet 101. To avoid eddies and noise; when the volute 201 rotates to the second air outlet position, the air distribution plate 301 is upright, with its upper end overlapping the front edge 1021 of the second air outlet and its lower end overlapping the first edge of the volute, thus forming a continuous guide surface to guide the airflow to the second air outlet 102; the same part can complete the dual functions of "sealing + guiding" by simple rotation, reducing the number of parts and drive mechanism, improving assembly accuracy and long-term reliability, and achieving efficient, low-noise, and leak-free single-outlet full air volume output.

[0040] Furthermore, in some possible embodiments, when the air distribution plate 301 is laterally overlapped between the second edge of the volute and the lower edge 1012 of the first air outlet, at least a portion of the air distribution plate 301 is disposed in contact with the air duct wall on the side of the second edge of the volute. and / or When the air distribution plate 301 is longitudinally overlapped between the first opening edge and the front edge 1021 of the second air outlet of the volute, at least a portion of the air distribution plate 301 is fitted against the air duct wall on the side of the first opening edge of the volute.

[0041] In this embodiment, the overlapping surface of the air distribution plate 301 is extended into a "fitting section": when it is horizontally placed to seal the first gap, its plate surface naturally adheres to the air duct wall along the second opening of the volute; when it is vertically placed to seal the second gap, it adheres to the air duct wall along the first opening of the volute. Thus, a "continuous curved surface" transition with surface-to-surface contact is formed between the air distribution plate 301 and the volute air duct wall, eliminating steps and gaps, blocking leakage eddies, and allowing the airflow to accelerate smoothly along the fitting surface, reducing local resistance and noise; at the same time, the fitting section provides lateral restraint to the volute air outlet, suppressing the slight shaking after the volute rotates, realizing the integration of sealing, air guiding, and vibration reduction functions, further improving air supply efficiency and long-term reliability.

[0042] Furthermore, in some possible implementations, the air distribution mechanism also includes: The fixed bracket 302 includes a horizontal fixed bracket 3021 and an inclined fixed bracket 3022. One end of the horizontal fixed bracket 3021 is connected to the rearward extension end position of the lower edge 1012 of the first air outlet, and the other end extends laterally to the rear side of the housing 10. One end of the inclined fixed bracket 3022 is connected to the rearward extension end position of the horizontal fixed bracket 3021, and the other end extends downward at an incline to the air duct wall of the front edge 1021 of the second air outlet. The air distribution plate 301 is rotatably mounted at the connection position between the horizontal fixed frame 3021 and the inclined fixed frame 3022.

[0043] In this embodiment, the fixed bracket 302 uses a zigzag beam structure of "transverse fixed bracket 3021 + inclined fixed bracket 3022" to rigidly anchor the rotation fulcrum of the air distribution plate 301 between the rear end of the lower edge 1012 of the first air outlet and the front edge 1021 of the second air outlet duct wall, forming a "triangular fulcrum" cantilevered at the junction of the two air outlets: the transverse fixed bracket 3021 bears the impact force of the front and rear airflow, and the inclined fixed bracket 3022 decomposes part of the load to the lower duct wall, significantly reducing the bending moment at the fulcrum; the air distribution plate 301 can therefore maintain micron-level positioning accuracy even at high wind speeds, avoid swaying or vibration, ensure a constant sealing gap, and reduce the load and noise of the drive motor, achieving lightweight, high rigidity, long life, and precise air distribution and sealing functions.

[0044] Furthermore, in some possible embodiments, the lateral extension distance of the transverse fixing bracket 3021 is L1, and the distance from the edge of the volute air outlet to the rotation center of the volute 201 is R, where L1 = 10% to 15% * R. and / or An included angle α is formed between the inclined fixing bracket 3022 and the air duct wall of the second air outlet front edge 1021, where 120°≤α≤150°; and / or The length L2 of the air distribution plate 301 and the lateral extension distance L1 of the transverse fixing bracket 3021 are both L2, where L2 = 1.2 to 1.4 * L1.

[0045] In this embodiment, the lever system of the air distribution plate 301 is directly associated with the rotation radius R of the volute 201: the extension distance L1 of the transverse fixing frame 3021 is only 10% to 15% of R, so that the fulcrum is close to the outlet of the volute, shortening the lever arm and reducing the clamping force required for sealing the air distribution plate 301; the inclined fixing frame 3022 is inclined to the duct wall at an angle α of 120° to 150°, decomposing the airflow impact load into tangential force and reducing the bending deformation of the support; the length L2 of the air distribution plate 301 is set to 1.2 to 1.4 times L1, which ensures that the plate end can completely cover the overlapping area and avoids excessive overhang leading to flutter. The three components work together to form a rigid sealing system of "short lever arm - inclined support - moderate plate length", which can achieve precise air distribution and reliable sealing with zero leakage, low torque, and low noise even at high wind speeds.

[0046] Furthermore, in some possible embodiments, the air duct assembly 20 is configured to have multiple sets, the multiple sets of air duct assemblies 20 are arranged side by side and spaced apart in the length direction of the housing 10, and an air intake channel is formed between two adjacent air duct assemblies 20. The top of the housing 10 is also provided with an air inlet 103, and the volute 201 of the air duct assembly 20 is also provided with an air inlet that connects to the air intake channel. The airflow entering through the top air inlet 103 can enter the volute 201 through the air intake channel and the air inlet, and be sent out through the volute air outlet under the action of the fan 202 inside the volute 201.

[0047] Furthermore, in some possible embodiments, the fan 202 is a centrifugal fan disposed inside the volute 201. The centrifugal fan includes a centrifugal impeller capable of intake on both axial sides, and the volute 201 has air inlets on both axial sides corresponding to the intake sides of the centrifugal impeller.

[0048] Furthermore, in some possible implementations, the air conditioner also includes: The detection module is used to detect the user's position relative to the air conditioner and / or detect the airflow speed of the air conditioner. The control module is used to adjust the speed of the fan 202 and / or adjust the air delivery direction of the volute air outlet according to the user's position relative to the air conditioner and / or the air outlet speed of the air conditioner.

[0049] To better understand the air conditioner provided in the embodiments of this application, the following is in conjunction with... Figures 1-5 A general explanation: like Figures 1-6 As shown, the wall-mounted air conditioner in this embodiment mainly includes a casing 10, a heat exchanger, a dual-duct assembly, an air distribution mechanism, and a control module. The casing 10 has an air inlet 103 at its top, and a first air outlet 101 and a second air outlet 102 respectively on the lower part of the front panel and the front bottom of the casing 10.

[0050] Specifically, the air conditioner includes two air duct assemblies, each containing a centrifugal fan. The two centrifugal fan assemblies of the two air duct assemblies are arranged coaxially, with a distance between them of 0.8 to 1.2 times the impeller diameter. The volute can rotate around the central axis of the centrifugal fan, and a stepper motor is provided to control its rotation angle θ. This allows the air outlet of the volute 201 in the air duct assembly to be aligned with the first air outlet 101 or the second air outlet 102, achieving front or bottom air outlet, or it can be directed towards the middle of the two air outlets, achieving dual air duct air outlet.

[0051] An air distribution mechanism 30 is provided at the junction of the first air outlet 101 and the second air outlet 102. The air distribution mechanism 30 consists of a fixed bracket 302 and an adjustable air distribution plate 301. The air distribution plate 301 can rotate under the drive of a stepper motor. When the air is vented from the front or the bottom, it rotates to the limit position to fit against the air duct wall of the volute 20 and seal the air duct. In the bidirectional air outlet mode, it rotates to the middle position to distribute the air. In the swing mode, the adjustable air distribution plate 301 swings back and forth, so that the air volume of the two air outlets changes alternately.

[0052] like Figure 2 As shown, the air distribution mechanism 30 is characterized by extending forward a distance L1 that is 10% to 15% of the radius R of the volute end point, extending at an angle a of 120° to 150°, and the length L2 of the adjustable air distribution plate 301 being 1.2 to 1.4 times L1. The air distribution mechanism 30 designed with these parameters can have less resistance, more uniform air distribution, and less aerodynamic noise.

[0053] In some embodiments not shown, each centrifugal fan has one centrifugal impeller, and each impeller has two air inlets, namely a first air inlet and a second air inlet. A partition is located between the impellers to isolate the airflow. The two impellers are connected to a central DC motor via a drive shaft, and the DC motor drives the impellers to rotate.

[0054] like Figure 1 As shown, the rotation range of the volute angle θ is 0° to 70°, where 0° corresponds to the second air outlet 102 below and 70° corresponds to the first air outlet 101 in front.

[0055] like Figure 2 As shown, the adjustable air distribution plate 301 has a rotation range of angle β from -2° to 64°. When the air is discharged downwards, the adjustable air distribution plate angle β is 64°, and when the air is discharged forwards, the adjustable air distribution plate angle is -2°. They are tightly attached to the volute to achieve a seal between the volute and the air outlet.

[0056] It should be noted that the advantage of the dual-air duct system is that, in heating mode, the volute can be rotated to the 0° position, with air exiting from the lower vent. Figure 4 This allows hot air to fall to the ground, utilizing the principle of natural convection, causing the hot air to rise naturally and evenly raise the temperature throughout the room; when cooling, the volute rotates to 70°, using the front air duct for air outlet, such as... Figure 3 Similarly, utilizing the principle of natural convection, cool air naturally sinks, achieving uniform cooling throughout the room while avoiding the discomfort of cold air blowing directly on people. Of course, users can also select the dual-duct air outlet mode according to their needs. Rotating the volute to the middle angle and the adjustable air distributor to the middle position enables air distribution, with air exiting from two ducts simultaneously. Figure 5 It can achieve a larger air outlet area and can achieve rapid temperature control.

[0057] The working process of the control module is shown in Figure 6 , as follows: first, user instructions are received, the working mode {cooling, heating or automatic} and the air outlet direction selection {lower air outlet, front air outlet, dual-duct air outlet and swing air mode} are determined. When the dual-duct air outlet mode is selected, the air volume ratio also needs to be set. The controller controls the volute to rotate to a corresponding angle according to the user instruction, and adjusts the fan speed to achieve different air volume outputs. The cooling mode defaults to the front air outlet, and the heating mode defaults to the lower air outlet. Users can also select other air outlet modes according to their own needs.

[0058] The front air outlet control module rotates the volute to the direction of the front air outlet, so that air is blown out from the front air outlet to avoid direct blowing towards the human body; when in the lower air outlet mode, the volute rotates to the direction of the lower air outlet, so that air is blown out from the bottom; when in the dual-duct mode, the volute is positioned at an intermediate angle according to the air volume ratio, so that air is simultaneously delivered from the front air outlet and the lower air outlet, which increases the air supply area and air volume, and accelerates the room temperature regulation speed. Users can use the remote control to set the ratio k of the front air outlet volume to the total air volume, that is, the front air outlet volume ratio. The volute and the adjustable air distribution plate are adjusted to corresponding angles according to the k value. Wherein, when k<0.1, the mode automatically switches to the lower air outlet mode; when k>0.9, the mode automatically switches to the front air outlet mode; when 0.1<k<0.9, the relationship between the volute angle θ, the adjustable air distribution plate angle β and the front air outlet volume ratio k is as follows: θ=k×70° β=60°-k×50° When in the swing air mode, the volute angle θ is fixed at the intermediate position of 35°, and the adjustable air distribution plate angle β swings back and forth between 15° and 55°, which continuously changes the air volume of the air outlet, so as to optimize the air supply comfort. The advantage of only rotating the adjustable air distribution plate without rotating the volute is that the air distribution plate is a small component, which requires a small torque during rotation, consumes low power, and generates low noise from component movement.

[0059] Then the control module waits for new user instructions. When a new instruction is received, the above process is repeated according to the new instruction.

[0060] It should be noted that in some possible implementations, an air speed sensor and an infrared human body detection module can also be introduced. When a human body is detected approaching the air conditioner, the volute angle is automatically adjusted to avoid blowing air towards the human body; when no person is active, the normal air supply mode is restored. At the same time, the air volume data is fed back in real time through the air speed sensor, and the control module dynamically adjusts the fan speed and the volute angle to maintain the set air volume ratio, further improving the air supply stability and intelligence level.

[0061] 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.

[0062] 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.

[0063] 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 present 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.

[0064] 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, characterized in that, The air conditioner includes: The housing (10) has a first air outlet (101) on its front side and a second air outlet (102) on its bottom side. The air duct assembly (20) includes a volute (201) and a fan (202). The volute (201) is disposed inside the housing (10), and the fan (202) is disposed inside the volute (201). The airflow generated by the fan (202) can be sent out through the volute outlet of the volute (201). The volute (201) can be controlled to rotate circumferentially around the rotation center of the fan (202) to change the air delivery direction of the volute outlet. The volute (201) has a first air outlet position, a second air outlet position and a third air outlet position on the rotation path of the volute (201). When the volute (201) is in the first air outlet position, the volute outlet and the first air outlet (101) are connected, and the air flowing through the volute outlet is sent out through the first air outlet (101). When the volute (201) is in the second air outlet position, the volute outlet and the second air outlet (102) are connected, and the air flowing through the volute outlet is discharged through the second air outlet (102). When the volute (201) is in the third air outlet position, the air outlet of the volute is connected to the first air outlet (101) and the second air outlet (102). A portion of the air flowing through the air outlet of the volute is sent out through the first air outlet (101), and another portion of the air is sent out through the second air outlet (102).

2. The wall-mounted air conditioner according to claim 1, characterized in that, When the volute (201) is in the first air outlet position, the entire air outlet of the volute corresponds to the first air outlet (101). When the volute (201) is in the second air outlet position, the entire air outlet of the volute corresponds to the second air outlet (102). When the volute (201) is in the third air outlet position, a part of the volute air outlet corresponds to the first air outlet (101) and the other part corresponds to the second air outlet (102).

3. The wall-mounted air conditioner according to claim 1, characterized in that, The first air outlet (101) is located at the bottom front side of the housing (10), and the second air outlet (102) is located at the front bottom side of the housing (10), so as to construct the first air outlet (101) and the second air outlet (102) being arranged adjacent to each other at the lower front of the housing (10).

4. The wall-mounted air conditioner according to any one of claims 1-3, characterized in that, The wall-mounted air conditioner also includes: The air distribution mechanism (30) includes an adjustable air distribution plate (301), which is disposed between the first air outlet (101) and the second air outlet (102), and the air distribution plate (301) has at least a first adjustment position and a second adjustment position when it is adjusted. in When the volute (201) is in the first air outlet position corresponding to the volute air outlet and the first air outlet (101), the volute air outlet and the first air outlet (101) form a first gap at the corresponding position, and the air distribution plate (301) can seal the first gap when it is in the first adjustment position. When the volute (201) is in the second air outlet position corresponding to the volute air outlet and the second air outlet (102), the volute air outlet and the second air outlet (102) form a second gap at the corresponding position, and the air distribution plate (301) can seal the second gap when it is in the second adjustment position.

5. The wall-mounted air conditioner according to claim 4, characterized in that, The air distribution plate also has a third adjustment position when it is adjusted; When the volute (201) is in the third air outlet position corresponding to the first air outlet (101) and the second air outlet (102), the air distribution plate can be adjusted to the third adjustment position in the middle region of the volute air outlet, so as to guide a part of the airflow sent out by the volute air outlet to the first air outlet (101) and guide another part of the airflow to the second air outlet (102).

6. The wall-mounted air conditioner according to claim 4, characterized in that, The first air outlet (101) includes an upper edge (1011) and a lower edge (1012) of the first air outlet that are opposite each other. The second air outlet (102) includes a front edge (1021) and a rear edge (1022) of the second air outlet, which are opposite to each other. The lower edge (1012) of the first air outlet extends laterally toward the rear side of the housing (10), and the front edge (1021) of the second air outlet extends longitudinally toward the top side of the housing (10). The rearward extension end of the lower edge (1012) of the first air outlet is connected to the upward extension end of the front edge (1021) of the second air outlet. The air distribution plate (301) is movably disposed at the connection position between the lower edge (1012) of the first air outlet and the front edge (1021) of the second air outlet.

7. The wall-mounted air conditioner according to claim 6, characterized in that, The volute air outlet has a first volute edge and a second volute edge; When the volute (201) is in the first air outlet position, the air distribution plate (301) is adjusted to the first adjustment position. At this time, the first opening of the volute corresponds to the upper edge (1011) of the first air outlet in the horizontal direction, and the second opening of the volute corresponds to the lower edge (1012) of the first air outlet in the horizontal direction. The air distribution plate (301) overlaps horizontally between the second opening of the volute and the lower edge (1012) of the first air outlet, so as to guide the airflow at the air outlet of the volute to the first air outlet (101) while sealing the first gap. When the volute (201) is in the second air outlet position, the air distribution plate (301) is in the second adjustment position. At this time, the first opening of the volute corresponds longitudinally to the leading edge (1021) of the second air outlet, and the second opening of the volute corresponds longitudinally to the trailing edge (1022) of the second air outlet. The air distribution plate (301) overlaps longitudinally between the first opening edge of the volute and the leading edge (1021) of the second air outlet, so as to guide the airflow at the air outlet of the volute to the second air outlet (102) while sealing the second gap.

8. The wall-mounted air conditioner according to claim 7, characterized in that, When the air distribution plate (301) is horizontally overlapped between the second opening edge of the volute and the lower edge (1012) of the first air outlet, at least a portion of the air distribution plate (301) is attached to the air duct wall on the side of the second opening edge of the volute. and / or When the air distribution plate (301) is longitudinally overlapped between the first opening edge of the volute and the front edge (1021) of the second air outlet, at least a portion of the air distribution plate (301) is attached to the air duct wall on the side of the first opening edge of the volute.

9. The wall-mounted air conditioner according to any one of claims 6-8, characterized in that, The air distribution mechanism also includes: The fixed bracket (302) includes a horizontal fixed bracket (3021) and an inclined fixed bracket (3022). One end of the horizontal fixed bracket (3021) is connected to the rearward extension end of the lower edge (1012) of the first air outlet, and the other end extends laterally to the rear side of the housing (10). One end of the inclined fixed bracket (3022) is connected to the rearward extension end of the horizontal fixed bracket (3021), and the other end extends obliquely downward to the air duct wall of the front edge (1021) of the second air outlet. The air distribution plate (301) is rotatably disposed at the connection position between the horizontal fixing frame (3021) and the inclined fixing frame (3022).

10. The wall-mounted air conditioner according to claim 9, characterized in that, The lateral extension distance of the horizontal fixing bracket (3021) is L1, and the distance from the edge of the air outlet of the volute to the rotation center of the volute (201) is R, where L1 = (10%~15%)*R. and / or An included angle α is formed between the inclined fixing frame (3022) and the air duct wall of the second air outlet front edge (1021), wherein 120°≤α≤150°; and / or The length of the air distribution plate (301) is L2, and the lateral extension distance of the transverse fixing frame (3021) is L1, where L2 = (1.2~1.4) * L1.

11. The wall-mounted air conditioner according to claim 1, characterized in that, The air duct assembly (20) is configured to have multiple sets, the multiple sets of the air duct assembly (20) are arranged side by side and spaced apart in the length direction of the housing (10), and an air intake channel is formed between two adjacent air duct assemblies (20); The top of the housing (10) is also provided with an air inlet (103), and the volute (201) of the air duct assembly (20) is also provided with an air inlet that connects to the air intake channel. The airflow entering through the top air inlet (103) can enter the volute (201) through the air intake channel and the air inlet, and be sent out through the volute outlet under the action of the fan (202) inside the volute (201).

12. The wall-mounted air conditioner according to claim 11, characterized in that, The fan (202) is a centrifugal fan installed inside the volute (201). The centrifugal fan includes a centrifugal impeller capable of intake on both axial sides. The volute (201) has an air inlet on both axial sides corresponding to the intake side of the centrifugal impeller.

13. The wall-mounted air conditioner according to claim 1, characterized in that, The air conditioner also includes: The detection module is used to detect the user's position relative to the air conditioner and / or detect the air outlet speed of the air conditioner; The control module is used to adjust the rotational speed of the fan (202) and / or adjust the air delivery direction of the volute air outlet according to the user's position relative to the air conditioner and / or the air outlet speed of the air conditioner.

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