Wall-mounted air conditioner

Abstract

The utility model discloses a wall-mounted air conditioner, which comprises a shell, the air inlet duct, the first air outlet duct and the second air outlet duct are arranged on the shell; a heat exchanger; the rotating piece and the driving piece can rotate relative to the shell; the cross-flow fan is arranged in the shell and comprises an impeller, in the first state, the rotating part blocks the first air outlet duct, the part, surrounding the impeller, of the rotating part forms a shielding wall used for shielding part of the air inlet face of the impeller, and the cross-flow fan drives air to enter the shell from the air inlet duct and to be discharged through the second air outlet duct; the rotating part blocks the second air outlet duct, the part, surrounding the impeller, of the rotating part forms a shielding wall used for shielding part of the air inlet face of the impeller, and the cross-flow fan drives air to enter the shell from the air inlet duct and to be exhausted through the first air outlet duct; the driving piece drives the rotating piece to rotate relative to the shell so that the air conditioner wall-mounted unit can be switched between the first state and the second state, and air exchanges heat with the heat exchanger in the shell before entering the shell and flowing out of the shell.

Description

Wall-mounted air conditioner Technical Field

[0001] This utility model relates to the field of air conditioning technology, and in particular to a wall-mounted air conditioner. Background Technology

[0002] With the technological advancements in the air conditioning industry, people have higher expectations for the user experience of indoor air conditioning units. Currently, most mainstream wall-mounted air conditioning units share the same air duct for both cooling and heating. This limits the airflow range. During cooling, the denser cold air, blowing downwards, results in a cold-to-warm-up experience, with feet feeling cold and head hot, leading to discomfort. Most current solutions for switching the airflow direction between cooling and heating involve rotating the lower air guide vane to deliver hot air downwards and cold air horizontally, but these methods do not significantly improve the airflow range. Summary of the Invention

[0003] The purpose of this utility model is to provide a compact wall-mounted air conditioner with multiple air outlet directions.

[0004] This utility model discloses a wall-mounted air conditioner, having a first state and a second state, including:

[0005] case;

[0006] The air vent component includes an air inlet duct, a first air outlet duct, and a second air outlet duct disposed on the housing, wherein the air outlet directions of the first air outlet duct and the second air outlet duct are different.

[0007] The heat exchanger is located inside the housing;

[0008] The air duct assembly includes a rotating component rotatable relative to the housing and a driving component for driving the rotating component to rotate;

[0009] A cross-flow fan, disposed within the housing, includes an impeller. In a first state, the rotating member blocks the first air outlet duct, and the portion of the rotating member surrounding the impeller forms a shielding wall for partially blocking the air inlet surface of the impeller. The cross-flow fan drives air to enter the housing from the air inlet duct and exit through the second air outlet duct. In a second state, the rotating member blocks the second air outlet duct, and the portion of the rotating member surrounding the impeller forms a shielding wall for partially blocking the air inlet surface of the impeller. The cross-flow fan drives air to enter the housing from the air inlet duct and exit through the first air outlet duct.

[0010] The driving component drives the rotating component to rotate relative to the housing so that the wall-mounted air conditioner switches between a first state and a second state, and the air exchanges heat with the heat exchanger in the housing before entering and exiting the housing.

[0011] In some embodiments, the rotating member includes an arc-shaped baffle surrounding the impeller, wherein the central axis of the arc-shaped baffle and the axis of rotation relative to the housing are both coaxial with the axis of rotation of the impeller.

[0012] In some embodiments, the air outlet directions of the first air outlet duct and the second air outlet duct are upward and downward, respectively. When the air conditioner is heating, the air conditioner switches to the first state, and when the air conditioner is cooling, the air conditioner switches to the second state.

[0013] In some embodiments, the air inlet duct is arranged in a horizontal direction, and the heat exchanger is disposed within the air inlet duct.

[0014] In some embodiments, the first air outlet duct includes a first duct wall with one end fixedly connected to the housing and the other end being a free end, and the second air outlet duct includes a second duct wall with one end fixedly connected to the housing and the other end being a free end. The first duct wall and the second duct wall divide the heat exchanger and the impeller on different sides. The distance between the first duct wall and the second duct wall forms the air inlet of the impeller. On a plane perpendicular to the air inlet direction of the air inlet duct, the projection of the heat exchanger covers the projection of the distance between the first duct wall and the second duct wall.

[0015] In some embodiments, the first air outlet duct includes a first duct wall with one end fixedly connected to the housing and the other end being a free end, the free end of the first duct wall being close to the impeller relative to the housing; the second air outlet duct includes a second duct wall with one end fixedly connected to the housing and the other end being a free end, the free end of the second duct wall being close to the impeller relative to the housing; in the first state, the free end of the second duct wall forms the volute of the cross-flow fan; in the second state, the free end of the first duct wall forms the volute of the cross-flow fan.

[0016] In some embodiments, the first air outlet duct further includes a third air outlet wall opposite to the first air outlet wall, and the second air outlet duct further includes a fourth air outlet wall opposite to the second air outlet wall. Along the circumference of the impeller, the third air outlet wall is located between the first air outlet wall and the fourth air outlet wall, the fourth air outlet wall is located between the second air outlet wall and the third air outlet wall, and the second air outlet wall is located between the first air outlet wall and the fourth air outlet wall. In the first state, both ends of the rotating member are respectively sealed to the first air outlet wall and the fourth air outlet wall. In the second state, both ends of the rotating member are respectively sealed to the second air outlet wall and the third air outlet wall.

[0017] In some embodiments, the free end of the first duct wall is elastic, and when the second state switches to the first state, the fourth duct wall limits the rotation of the rotating member, and the rotating member pushes the free end of the first duct wall to move away from the impeller; and / or, the free end of the second duct wall is elastic, and when the first state switches to the second state, the third duct wall limits the rotation of the rotating member, and the rotating member pushes the free end of the second duct wall to move away from the impeller.

[0018] In some embodiments, the rotating member includes a rotating plate and a sealing structure disposed on the end of the rotating plate closer to the first air duct wall at both ends along the circumference of the impeller; in the first state, along the circumference of the impeller, the ends of the rotating plate closer to the first air duct wall at both ends along the circumference of the impeller and the sealing structure are both located between the first air duct wall and the third air duct wall, and the distance between the surface of the sealing structure facing the free end of the first air duct wall and the free end of the first air duct wall is 0.28 to 0.32 mm.

[0019] In some embodiments, the sealing structure includes a trapezoidal structure, the cross-sectional profile of which is trapezoidal. The trapezoidal structure includes a first top edge, a second top edge, a hypotenuse connecting the first top edge and the second top edge, and an abutting edge connecting the first top edge and the second top edge and abutting the end of the first duct wall. The distance between the hypotenuse and the free end of the first duct wall is, in some embodiments, the length of the first top edge is 1.5–2.5 mm, the length of the second top edge is 6.2–7.4 mm, and the length of the hypotenuse is 10.5–11.5 mm.

[0020] Based on the wall-mounted air conditioner provided by this utility model, by setting a first air outlet duct and a second air outlet duct, and by setting a rotating part to rotate and block different air outlet ducts, the wall-mounted air conditioner can switch between a first state and a second state. In different states, the rotating part forms a shielding wall to block the impeller of the cross-flow fan, thereby enabling the wall-mounted air conditioner to achieve multiple air outlet directions. At the same time, the structure of the wall-mounted air conditioner is also simpler and more compact.

[0021] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0023] Figure 1 is a structural schematic diagram of the wall-mounted air conditioner according to an embodiment of the present utility model;

[0024] Figure 2 is a structural schematic diagram of part of the wall-mounted air conditioner shown in Figure 1;

[0025] Figure 3 is a cross-sectional view of another embodiment of the wall-mounted air conditioner of this utility model;

[0026] Figure 4 is a cross-sectional view of the wall-mounted air conditioner shown in Figure 3 in another state;

[0027] Figure 5 is a cross-sectional view of the wall-mounted air conditioner shown in Figure 3 in another state.

[0028] Figure 6 is a partially enlarged schematic diagram of the sealing structure of the wall-mounted air conditioner shown in Figure 3. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0030] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0031] In the description of this utility model, it should be understood that the use of terms such as "first" and "second" to define the components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this utility model.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0034] As shown in Figures 1 to 5, the wall-mounted air conditioner of this embodiment has a first state and a second state. The wall-mounted air conditioner includes a housing 1, an air outlet component, a heat exchanger 3, an air duct assembly, and a cross-flow fan.

[0035] The air vent component includes an air inlet duct 23, a first air outlet duct 21, and a second air outlet duct 22, all mounted on the housing 1. "Mounted on the housing 1" means it is connected to the housing and can be located inside, outside, or partially inside and partially outside the housing 1. The first air outlet duct 21 and the second air outlet duct 22 have different air outlet directions. For example, when installing a wall-mounted air conditioner on a wall, the air outlet directions of the first air outlet duct 21 and the second air outlet duct 22 can be one pointing downwards and the other pointing horizontally or upwards.

[0036] Heat exchanger 3 is located inside shell 1. Refrigerant is introduced into heat exchanger 3 to exchange heat with the air passing through it. When the air conditioner is cooling, heat exchanger 3 acts as an evaporator for the refrigerant; when the air conditioner is heating, heat exchanger 3 acts as a condenser for the refrigerant.

[0037] The air duct assembly includes a rotating member rotatable relative to the housing 1 and a drive member 41 for driving the rotating member to rotate. When the rotating member needs to rotate relative to the housing 1, the drive member drives the rotating member to rotate relative to the housing 1. In the embodiment shown in the figure, the drive member includes a drive motor.

[0038] A cross-flow fan is housed within the casing 1 and includes an impeller 51. The cross-flow fan, also known as a cross-flow fan, was proposed by the French engineer Mortier in 1892. Its impeller is a multi-bladed, long cylindrical shape with forward-curving multi-bladed blades. The structure of the cross-flow fan includes the impeller, a baffle wall, and a volute. The baffle wall partially blocks the outer circumference of the impeller, and the volute separates the inlet and outlet sides of the impeller's outer circumference. This causes the vortex center of the vortex entering the impeller to move closer to the volute. Therefore, when the impeller rotates, the airflow enters from the unblocked inlet side of the impeller's outer circumference, passes through the impeller's interior, and exits from the outlet side between the baffle wall and the volute, forming the working airflow. The baffle wall and the volute are both important working components of the cross-flow fan.

[0039] As shown in Figure 3, in the first state, the rotating member blocks the first air outlet duct 21, and the portion of the rotating member surrounding the impeller 51 forms a shielding wall to block part of the air inlet surface of the impeller 51. The cross-flow fan drives the air to enter the housing 1 from the air inlet duct 23 and exit through the second air outlet duct 22. In the first state, the rotating member can block the inlet of the first air outlet duct 21, so the air entering the housing will not be output from the first air outlet duct 21. At the same time, the rotating member surrounds the impeller 51, and the portion of the rotating member surrounding 51 forms a shielding wall to block the air inlet of the impeller 51. The shielding wall located at this position can guide the position of the vortex center of the air entering the impeller 51, so that the air output by the impeller 51 is output from the second air outlet duct.

[0040] As shown in Figure 5, in the second state, the rotating member blocks the second air outlet duct 22, and the portion of the rotating member surrounding the impeller 51 forms a shielding wall to block part of the air inlet surface of the impeller 51. The cross-flow fan drives the air to enter the housing 1 from the air inlet duct 23 and exit through the first air outlet duct 21. In the second state, the rotating member can block the inlet of the second air outlet duct 22, so the air entering the housing will not be output from the second air outlet duct 22. At the same time, the rotating member surrounds the impeller 51, and the portion of the rotating member surrounding 51 forms a shielding wall to block the air inlet of the impeller 51. The shielding wall located at this position can guide the position of the vortex center of the air entering the impeller 51, so that the air output by the impeller 51 is output from the first air outlet duct.

[0041] The drive unit 41 drives the rotating component to rotate relative to the housing 1, thereby switching the wall-mounted air conditioner between a first state and a second state. Air exchanges heat with the heat exchanger 3 within the housing 1 before entering and exiting it. The drive unit 41 drives the rotating component to rotate, causing the rotating component to change position, thus switching the wall-mounted air conditioner to either the first or second state.

[0042] In this embodiment, the wall-mounted air conditioner is configured with a first air outlet duct 21 and a second air outlet duct 22 with different air outlet directions. A rotating component is used to rotate and block the different air outlet ducts, allowing the wall-mounted air conditioner to switch between a first state and a second state. In each state, the rotating component forms a shielding wall that blocks the impeller 51 of the cross-flow fan. This allows the wall-mounted air conditioner to achieve multiple air outlet directions. The air conditioner can select different air outlet directions when cooling and heating, so that a more suitable air outlet direction can be selected under different cooling and heating conditions, improving the comfort of the air conditioner. At the same time, since a single rotating plate can simultaneously perform multiple functions such as blocking the air outlet and forming a shielding wall for the cross-flow fan, the structure of the wall-mounted air conditioner is also simpler and more compact.

[0043] In some embodiments, as shown in Figures 2, 3, and 4, the rotating component includes an arc-shaped baffle surrounding the impeller 51. The central axis of the arc-shaped baffle and its rotation axis relative to the housing 1 are both coaxial with the rotation axis of the impeller 51. This embodiment provides an arc-shaped baffle, allows rotation around its central axis, and ensures that its central axis is coaxial with the rotation axis of the impeller 51. This makes the rotation control of the rotating component more convenient and reliable. The shape of the arc-shaped baffle also better matches the shape of the impeller. The rotation of the arc-shaped baffle can always maintain a stable gap with the impeller, thus forming a good shielding effect on the impeller even when the rotating component is in different positions.

[0044] In some embodiments, the air outlet directions of the first air outlet duct 21 and the second air outlet duct 22 are upward and downward, respectively. When the wall-mounted air conditioner is heating, it switches to the first state; when it is cooling, it switches to the second state. In this embodiment, "upper" and "lower" refer to being above or below a horizontal plane, meaning "upper" includes both vertically upward and diagonally upward, and "lower" includes both vertically downward and diagonally downward. In the embodiment shown in the figure, the air outlet directions of the first air outlet duct 21 and the second air outlet duct 22 are diagonally upward and diagonally downward, respectively. In this embodiment, when the wall-mounted air conditioner is cooling, cold air is output from above, avoiding direct airflow to people. Furthermore, the cold air sinks downward under gravity, providing a good cooling effect and greater comfort. When heating, hot air is output from the lower duct. Hot air has a low density and can rise, improving the uniformity of heating and achieving a better heating effect.

[0045] In some embodiments, the air inlet duct 23 is arranged horizontally, and the heat exchanger 3 is disposed within the air inlet duct 23. In this embodiment, when air enters from the horizontal direction, it first exchanges heat with the heat exchanger 3, then enters the cross-flow fan, and finally exits from the air outlet duct. Regardless of whether it is in the first or second state, the cross-flow fan always draws air from the air inlet duct and draws air from the heat exchanger, resulting in low noise and good heat exchange efficiency.

[0046] In some embodiments, as shown in the figure, the first air outlet duct 21 includes a first duct wall 211 with one end fixedly connected to the housing 1 and the other end being a free end, and the second air outlet duct 22 includes a second duct wall 222 with one end fixedly connected to the housing 1 and the other end being a free end. The first duct wall 211 and the second duct wall 222 divide the heat exchanger 3 and the impeller 51 on different sides. The distance between the first duct wall 211 and the second duct wall 222 forms the air inlet of the impeller 51. On a plane perpendicular to the air inlet direction of the air inlet duct 23, the projection of the heat exchanger 3 covers the projection of the distance between the first duct wall 211 and the second duct wall 222. The impeller receives air through the gap between the free end 2111 of the first air duct wall and the free end 2221 of the second air duct wall. This gap is also the air inlet of the impeller 51. The projection of this gap in the plane perpendicular to the air intake direction of the air intake duct is covered by the heat exchanger 3. Thus, the air intake of the impeller can pass through the heat exchanger 3 sufficiently, resulting in good heat exchange effect and achieving better heat exchange.

[0047] In some embodiments, as shown in Figures 3 to 5, the first air outlet duct 21 includes a first duct wall 211 with one end fixedly connected to the housing 1 and the other end being a free end. The free end of the first duct wall 211 is close to the impeller 51 relative to the housing 1. The second air outlet duct 22 includes a second duct wall 222 with one end fixedly connected to the housing 1 and the other end being a free end. The free end of the second duct wall 222 is close to the impeller 51 relative to the housing 1. In a first state, the free end of the second duct wall 222 forms the volute of a cross-flow fan. In a second state, the free end of the first duct wall 211 forms the volute of a cross-flow fan. In this embodiment, the free end 2111 of the first air duct wall forms the volute tongue of the cross-flow fan in the second state, and the free end 2221 of the second air duct wall forms the volute tongue of the cross-flow fan in the first state. This enables the cross-flow fan to function normally, guiding the vortex center of the air vortex and discharging the air. At the same time, the first and second air duct walls also form an air outlet duct. The first and second air duct walls also perform multiple functions simultaneously, making the structure of the wall-mounted air conditioner simpler and more compact.

[0048] In some embodiments, as shown in the figure, the first air outlet duct 21 further includes a third air outlet wall 213 opposite to the first air outlet wall 211, and the second air outlet duct 22 further includes a fourth air outlet wall 224 opposite to the second air outlet wall 222. Along the circumference of the impeller 51, the third air outlet wall 213 is located between the first air outlet wall 211 and the fourth air outlet wall 224, the fourth air outlet wall 224 is located between the second air outlet wall 222 and the third air outlet wall 213, and the second air outlet wall 222 is located between the first air outlet wall 211 and the fourth air outlet wall 224. In a first state, both ends of the rotating member are sealed to the first air outlet wall 211 and the fourth air outlet wall 224 respectively. In a second state, both ends of the rotating member are sealed to the second air outlet wall 222 and the third air outlet wall 213 respectively. In this embodiment, in the first state, the two ends of the rotating part are sealed and connected to the first air duct wall 211 and the fourth air duct wall 224 respectively, and in the second state, the two ends of the rotating part are sealed and connected to the second air duct wall 222 and the third air duct wall 213 respectively. This can achieve effective blocking of the other air duct while selecting one air duct for air outlet, and at the same time, can form an effective air duct for air outlet on the air outlet side of the cross-flow fan impeller.

[0049] In some embodiments, the free end of the first duct wall is elastic, and when the second state switches to the first state, the fourth duct wall limits the rotation of the rotating member, and the rotating member pushes the free end of the first duct wall to move away from the impeller; and / or, the free end of the second duct wall is elastic, and when the first state switches to the second state, the third duct wall limits the rotation of the rotating member, and the rotating member pushes the free end of the second duct wall to move away from the impeller. In this embodiment, the free end of the first duct wall is made of an elastic material, or the free end is connected to other parts of the first duct wall by an elastic member. The first duct wall can be pushed by a rotating member to change the distance between it and the outer peripheral surface of the impeller. When the rotating member is not in contact, it can recover the small distance between itself and the outer peripheral surface of the impeller under the action of elastic force. That is, the distance between the free end of the first duct wall and the outer peripheral surface of the impeller is larger in the first state than in the second state. In other words, the distance between the free end of the first duct wall and the outer peripheral surface of the impeller is smaller when it plays the role of the volute tongue of the cross-flow fan than when it plays the role of the dividing part of the air inlet of the cross-flow fan. Thus, the air intake of the cross-flow fan can be increased in the first state, and the role of the volute tongue can be better played in the second state. The free end of the second duct wall is made of an elastic material, or the free end is connected to other parts of the second duct wall by an elastic element. The free end of the second duct wall can be pushed by a rotating element to change the distance between it and the outer circumferential surface of the impeller. When the rotating element is not in contact, it can return to a small distance from the outer circumferential surface of the impeller under the action of elastic force. That is, the distance between the free end of the second duct wall and the outer circumferential surface of the impeller is larger in the second state than in the first state. In other words, the distance between the free end of the first duct wall and the outer circumferential surface of the impeller is smaller when it acts as the volute of the cross-flow fan than when it acts as the dividing part of the air inlet of the cross-flow fan. Thus, the air intake of the cross-flow fan can be increased in the second state, and the volute can play a better role in the first state, thereby improving the efficiency of the cross-flow fan.

[0050] In some embodiments, as shown in Figures 3 and 6, the rotating component includes a rotating plate 42 and a sealing structure 43 disposed on the ends of the rotating plate 42 along the circumference of the impeller 51, closer to the first air duct wall 211. In the first state, along the circumference of the impeller 51, the ends of the rotating plate 42 closer to the first air duct wall 211 and the sealing structure 43 are both located between the first air duct wall 211 and the third air duct wall 213. The distance b4 between the surface of the sealing structure 43 facing the free end of the first air duct wall 211 and the free end of the first air duct wall 211 is 0.28 to 0.32 mm. In this embodiment, by setting the sealing structure between the first air duct wall and the third air duct wall, the sealing structure can move between the first air duct wall and the third air duct wall when the rotating plate 42 rotates. The sealing structure does not need to cross the first air duct wall and the third air duct wall to achieve the sealing effect, and the structure is stable and reliable. Meanwhile, the distance between the surface of the sealing structure near the first air duct wall 211 and the first air duct wall in the first state is 0.28 to 0.32 mm. This can form a good sealing effect while maintaining the stability of the structure. When the distance is less than this range, the sealing structure and the first air duct wall are prone to interference and friction under vibration. They will also experience friction and interference under thermal expansion and contraction, which is not conducive to the stability of the structure. When the distance is greater than this range, it is difficult to form a reliable sealing effect.

[0051] In some embodiments, as shown in FIG6, the sealing structure 43 includes a trapezoidal structure. The cross-sectional outline of the trapezoidal structure is trapezoidal. The trapezoidal structure includes a first top edge, a second top edge, a hypotenuse connecting the first top edge and the second top edge, and an abutting edge connecting the first top edge and the second top edge and abutting the end of the first air duct wall 211. The distance between the hypotenuse and the free end of the first air duct wall 211 is 0.28-0.32 mm. As shown in FIG6, the first top edge and the second top edge are parallel, and the entire sealing structure resembles a trapezoidal structure. This embodiment, by setting a trapezoidal structure, can effectively seal the first air duct wall.

[0052] In some embodiments, the length b1 of the first top edge is 1.5–2.5 mm, the length b2 of the second top edge is 6.2–7.4 mm, and the length b3 of the inclined edge is 10.5–11.5 mm. If the length b1 of the first top edge is less than 1.5 mm, the length b2 of the second top edge is less than 6.2 mm, and the length b3 of the inclined edge is less than 10.5 mm, shrinkage is likely during part manufacturing, which may affect the requirement that the distance between the surface of the sealing structure near the first air duct wall 211 and the first air duct wall in the first state meets the requirements. If the length b1 of the first top edge is greater than 2.5 mm, the length b2 of the second top edge is greater than 7.4 mm, and the length b3 of the inclined edge is greater than 11.5 mm, the sealing structure experiences significant cold shrinkage in the air duct, which may also affect the requirement that the distance between the surface of the sealing structure near the first air duct wall 211 and the first air duct wall in the first state meets the requirements.

[0053] In some embodiments, the system further includes an upper guide plate 215 disposed at the air outlet of the first air outlet duct and a lower guide plate 225 disposed at the air outlet of the second air outlet duct, and the motor driving the impeller to rotate includes a fan motor 52. The arrangement of the upper and lower guide plates allows for greater adjustment of the air outlet direction of the first and second air outlet ducts.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A wall-mounted air conditioner, characterized in that, Having a first state and a second state, the device includes: a housing (1); an air outlet component including an air inlet duct (23), a first air outlet duct (21), and a second air outlet duct (22) disposed on the housing (1), wherein the air outlet directions of the first air outlet duct (21) and the second air outlet duct (22) are different; a heat exchanger disposed inside the housing (1); an air duct assembly including a rotating member rotatable relative to the housing (1) and a driving member (41) for driving the rotating member to rotate; and a cross-flow fan disposed inside the housing (1), including an impeller (51). In the first state, the rotating member blocks the first air outlet duct (21), and the portion of the rotating member surrounding the impeller (51) forms a shielding wall for shielding a portion of the air inlet surface of the impeller (51). The cross-flow fan drives the air to enter the housing (1) through the air inlet duct (23) and exit through the second air outlet duct (22). In the second state, the rotating member blocks the second air outlet duct (22), and the portion of the rotating member surrounding the impeller (51) forms a shielding wall for blocking part of the air inlet surface of the impeller (51). The cross-flow fan drives the air to enter the housing (1) through the air inlet duct (23) and exit through the first air outlet duct (21). The driving member (41) drives the rotating member to rotate relative to the housing (1) to switch the air conditioner between the first state and the second state. The air exchanges heat with the heat exchanger in the housing (1) before entering and exiting the housing (1).

2. The wall-mounted air conditioner as described in claim 1, characterized in that, The rotating component includes an arc-shaped baffle surrounding the impeller (51), the central axis of the arc-shaped baffle and the axis of rotation relative to the housing (1) are both coaxial with the axis of rotation of the impeller (51).

3. The wall-mounted air conditioner as described in claim 1, characterized in that, The first air outlet duct (21) and the second air outlet duct (22) are oriented upward and downward respectively. When the air conditioner is heating, it switches to the first state. When the air conditioner is cooling, it switches to the second state.

4. The wall-mounted air conditioner as described in claim 3, characterized in that, The air inlet duct (23) is arranged in a horizontal direction, and the heat exchanger is located inside the air inlet duct (23).

5. The wall-mounted air conditioner as described in claim 4, characterized in that, The first air outlet duct (21) includes a first duct wall (211) with one end fixedly connected to the housing (1) and the other end being a free end. The second air outlet duct (22) includes a second duct wall (222) with one end fixedly connected to the housing (1) and the other end being a free end. The first duct wall (211) and the second duct wall (222) divide the heat exchanger and the impeller (51) on different sides. The distance between the first duct wall (211) and the second duct wall (222) forms the air inlet of the impeller (51). On a plane perpendicular to the air inlet direction of the air inlet duct (23), the projection of the heat exchanger covers the projection of the distance between the first duct wall (211) and the second duct wall (222).

6. The wall-mounted air conditioner as described in any one of claims 1 to 5, characterized in that, The first air outlet duct (21) includes a first duct wall (211) with one end fixedly connected to the housing (1) and the other end being a free end. The free end of the first duct wall (211) is close to the impeller (51) relative to the housing (1). The second air outlet duct (22) includes a second duct wall (222) with one end fixedly connected to the housing (1) and the other end being a free end. The free end of the second duct wall (222) is close to the impeller (51) relative to the housing (1). In the first state, the free end of the second duct wall (222) forms the volute of the cross-flow fan. In the second state, the free end of the first duct wall (211) forms the volute of the cross-flow fan.

7. The wall-mounted air conditioner as described in claim 6, characterized in that, The first air outlet duct (21) further includes a third air outlet wall (213) opposite to the first air outlet wall (211), and the second air outlet duct (22) further includes a fourth air outlet wall (224) opposite to the second air outlet wall (222). Along the circumference of the impeller (51), the third air outlet wall (213) is located between the first air outlet wall (211) and the fourth air outlet wall (224), the fourth air outlet wall (224) is located between the second air outlet wall (222) and the third air outlet wall (213), and the second air outlet wall (222) is located between the first air outlet wall (211) and the fourth air outlet wall (224). In the first state, both ends of the rotating member are sealed and connected to the first air outlet wall (211) and the fourth air outlet wall (224) respectively. In the second state, both ends of the rotating member are sealed and connected to the second air outlet wall (222) and the third air outlet wall (213) respectively.

8. The wall-mounted air conditioner as described in claim 7, characterized in that, The free end of the first air duct wall (211) is elastic. When switching from the second state to the first state, the fourth air duct wall (224) limits the rotation of the rotating member, and the rotating member pushes the free end of the first air duct wall (211) to move away from the impeller (51); and / or, the free end of the second air duct wall (222) is elastic. When switching from the first state to the second state, the third air duct wall (213) limits the rotation of the rotating member, and the rotating member pushes the free end of the second air duct wall (222) to move away from the impeller (51).

9. The wall-mounted air conditioner as described in claim 7, characterized in that, The rotating component includes a rotating plate (42) and a sealing structure (43) disposed on the ends of the rotating plate (42) along the circumference of the impeller (51) closer to the first air duct wall (211); in the first state, along the circumference of the impeller (51), the ends of the rotating plate (42) closer to the first air duct wall (211) and the sealing structure (43) are both located between the first air duct wall (211) and the third air duct wall (213), and the distance between the surface of the sealing structure (43) facing the free end of the first air duct wall (211) and the free end of the first air duct wall (211) is 0.28 to 0.32 mm.

10. The wall-mounted air conditioner as described in claim 9, characterized in that, The sealing structure (43) includes a trapezoidal structure. The cross-sectional profile of the trapezoidal structure is trapezoidal. The trapezoidal structure includes a first top edge, a second top edge, a hypotenuse connecting the first top edge and the second top edge, and a fitting edge connecting the first top edge and the second top edge and fitting the end of the first air duct wall (211). The distance between the hypotenuse and the free end of the first air duct wall (211) is 0.28 to 0.32 mm.

11. The wall-mounted air conditioner as described in claim 9, characterized in that, The length of the first top edge is 1.5 to 2.5 mm, the length of the second top edge is 6.2 to 7.4 mm, and the length of the inclined edge is 10.5 to 11.5 mm.

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