Indoor unit of air conditioner

Abstract

The utility model discloses an air conditioner indoor unit which comprises at least one air conditioner component, the air conditioner component comprises a shell component, the shell component comprises a volute body, the volute body comprises an air port assembly, and the air port assembly comprises a first air outlet channel and a second air outlet channel which are arranged on the volute body. The air supply directions of the first air outlet channel and the second air outlet channel are different; the fan assembly is arranged in the volute body and used for supplying air to the air opening assembly; the switching device is arranged in the volute body and used for acting to switch the fan assembly to supply air to the first air outlet channel or the second air outlet channel; and the heat exchange device comprises a first heat exchanger and a second heat exchanger which are arranged corresponding to the first air outlet channel and the second air outlet channel correspondingly, and the first heat exchanger and the second heat exchanger are used for conducting heat exchange on air output by the first air outlet channel and air output by the second air outlet channel correspondingly.

Description

air conditioner indoor unit Technical Field

[0001] This utility model relates to the field of air conditioning technology, and in particular to an indoor unit for air conditioning. Background Technology

[0002] With the technological advancements in the air conditioning indoor unit industry, people have higher expectations for the user experience of air conditioning indoor units. Currently, most mainstream air conditioning indoor units, such as some wall-mounted 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 methods for changing the airflow direction during cooling and heating involve rotating a lower air deflector to deliver hot air downwards and cold air horizontally. However, the use of air deflectors can only change the airflow direction within a certain range and does not significantly improve the airflow range. Furthermore, when using air deflectors to change direction within the duct, the passage area changes, which may result in a very small ventilation area in some cases, increasing airflow resistance. Summary of the Invention

[0003] The purpose of this invention is to provide an air conditioning indoor unit with high air outlet heat exchange efficiency and multiple air outlet directions.

[0004] This utility model discloses an indoor air conditioner unit, including at least one air conditioning component, the air conditioning component comprising:

[0005] The housing component includes a volute body, the volute body includes an air outlet assembly, the air outlet assembly includes a first air outlet channel and a second air outlet channel disposed on the volute body, the first air outlet channel and the second air outlet channel have different air delivery directions;

[0006] A fan assembly, located within the volute body, is used to supply air to the air outlet assembly;

[0007] A switching device is provided inside the volute body and is used to switch the fan assembly to deliver air to the first air outlet channel or the second air outlet channel.

[0008] The heat exchange device includes a first heat exchanger and a second heat exchanger respectively disposed corresponding to the first air outlet channel and the second air outlet channel. The first heat exchanger and the second heat exchanger are respectively used to exchange heat on the air output from the first air outlet channel and the air output from the second air outlet channel.

[0009] In some embodiments, the housing component includes a first air outlet communicating with the first air outlet channel for outputting air from the first air outlet channel and a second air outlet communicating with the second air outlet channel for outputting air from the second air outlet channel. The first heat exchanger and the second heat exchanger are spaced apart and are respectively facing the first air outlet and the second air outlet.

[0010] In some embodiments, the fan assembly includes a centrifugal impeller disposed within the volute body, and the gap between the first heat exchanger and the second heat exchanger forms a return air passage for supplying air to the centrifugal impeller.

[0011] In some embodiments, the air conditioning component further includes a first air outlet grille located on the side of the first heat exchanger away from the first air outlet, a second air outlet grille located on the side of the second heat exchanger away from the second air outlet, and a return air grille for the return air duct on the side away from the centrifugal impeller, wherein the first air outlet grille, the second air outlet grille, and the return air grille are located on the same plane.

[0012] In some embodiments, the air conditioning component further includes a first water tray disposed below the first heat exchanger and a second water tray disposed below the second heat exchanger.

[0013] In some embodiments, the fan assembly includes a centrifugal impeller disposed within the volute body, and the switching device includes a curved baffle disposed within the volute body surrounding the centrifugal impeller and a driving member drivenly connected to the curved baffle. The driving member is used to drive the curved baffle to rotate to switch between a first position blocking the first air outlet channel and a position blocking the second air outlet channel. When the curved baffle is in the first position, the fan assembly supplies air to the second air outlet channel, and when the curved baffle is in the second position, the fan assembly supplies air to the first air outlet channel.

[0014] In some embodiments, the curved baffle includes an arc-shaped baffle coaxially arranged with the centrifugal impeller, and the air conditioning component further includes a first toothed structure fixedly connected to the arc-shaped baffle and a second toothed structure meshing with the first toothed structure. The driving member is drivenly connected to the second toothed structure, and the driving member drives the arc-shaped baffle by driving the second toothed structure to rotate.

[0015] In some embodiments, the first toothed structure includes a toothed ring fixedly connected to the arc-shaped baffle, the second toothed structure includes a gear fixedly connected to the toothed ring, and the driving member includes a stepper motor fixedly connected to the gear on the same axis.

[0016] In some embodiments, the air supply directions of the first air outlet channel and the second air outlet channel are upward and downward, respectively.

[0017] In some embodiments, the system includes two air conditioning components arranged in a horizontal direction, and the fan assembly includes a centrifugal impeller disposed within the volute body.

[0018] Based on the air conditioner indoor unit provided by this utility model, by setting a first air outlet duct and a second air outlet channel with different air supply directions on the volute body and setting a switching device to switch the fan assembly to supply air to the first air outlet channel or the second air outlet channel, air can be supplied in multiple directions. At the same time, by setting a first heat exchanger and a second heat exchanger corresponding to the first air outlet channel and the second air outlet channel respectively to exchange heat with the air from the two air outlet channels, heat exchange can be effectively carried out when air is supplied in different directions, thereby improving heat exchange efficiency. Correspondingly, the volume of a single heat exchanger can be made smaller and the arrangement can be more flexible.

[0019] 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

[0020] 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:

[0021] Figure 1 is a partial structural schematic diagram of the indoor unit of the air conditioner according to an embodiment of the present utility model;

[0022] Figure 2 is a cross-sectional view of the indoor unit of an air conditioner according to another embodiment of the present invention;

[0023] Figure 3 is a structural schematic diagram of the indoor unit of an air conditioner according to another embodiment of the present utility model;

[0024] Figure 4 is a schematic diagram of the structure of the volute body of the indoor unit of the air conditioner shown in Figure 3;

[0025] Figure 5 is a schematic diagram of part of the switching device of the indoor unit of the air conditioner shown in Figure 3. Detailed Implementation

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] 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.

[0031] The indoor unit of the air conditioner in this embodiment includes at least one air conditioning component, which includes a housing component 1, a fan assembly 3, a switching device, and a heat exchange device.

[0032] As shown in Figures 1 to 4, the housing component 1 includes a volute body 2, which includes an air outlet assembly. The air outlet assembly includes a first air outlet channel 21 and a second air outlet channel 22 disposed on the volute body 2. The air supply directions of the first air outlet channel 21 and the second air outlet channel 22 are different. That is, the airflow directions at the outlets of the first air outlet channel and the second air outlet channel are different. For example, when the indoor unit of the air conditioner is a wall-mounted air conditioner, after the air conditioner is installed on the wall, the air outlet directions of the first air outlet channel 21 and the second air outlet channel 22 can be one pointing downwards and the other pointing horizontally or upwards. The descriptions of directions such as "up" and "down" in this application refer to the orientation of the indoor unit of the air conditioner, such as a wall-mounted air conditioner, after installation. "Up" of the indoor unit of the air conditioner refers to a direction that is closer to vertically upwards relative to the horizontal direction, and "down" refers to a direction that is closer to vertically downwards relative to the horizontal direction.

[0033] The fan assembly 3 is disposed inside the volute body 2, and the fan assembly 3 is used to supply air to the air outlet assembly. The fan assembly is also a component that includes a fan for causing airflow. In the embodiment shown in the figure, the fan assembly includes a centrifugal impeller of a centrifugal fan.

[0034] The switching device is located inside the volute body 2. The switching device is used to switch the fan assembly 3 to send air to the first air outlet channel 21 or to the second air outlet channel 22. That is, the switching device can control whether the air output by the fan assembly is sent to the first air outlet channel 21 or the second air outlet channel 22.

[0035] The heat exchange device includes a first heat exchanger 51 and a second heat exchanger 52 respectively, which are respectively provided with the first air outlet channel 21 and the second air outlet channel 22. The first heat exchanger 51 and the second heat exchanger 52 are respectively used to exchange heat with the air output from the first air outlet channel 21 and the air output from the second air outlet channel 22.

[0036] In this embodiment, the indoor unit of the air conditioner, by setting a first air outlet duct 21 and a second air outlet channel 22 with different air supply directions on the volute body 2 and setting a switching device to switch the fan assembly 3 to supply air to the first air outlet channel 21 or the second air outlet channel 22, can achieve air supply in multiple directions. For example, in different heating and cooling modes, different air outlet directions can be selected to make the air outlet direction more compatible with different modes and improve the temperature control comfort of the air conditioner. At the same time, by setting a first heat exchanger 51 and a second heat exchanger 52 corresponding to the first air outlet channel 21 and the second air outlet channel 22 respectively to exchange heat with the air from the two air outlet channels, when air is supplied in different directions through the first air outlet duct or the second air outlet duct, there is a dedicated heat exchanger to exchange heat, which can effectively exchange heat and improve heat exchange efficiency. Compared with setting a large heat exchanger to exchange heat with the first air outlet channel and the second air outlet channel at the same time, the volume of a single heat exchanger in this embodiment can be made smaller and the arrangement is more flexible.

[0037] In some embodiments, as shown in Figures 2 and 3, the housing component 1 includes a first air outlet 11 communicating with the first air outlet channel 21 for outputting air from the first air outlet channel 21, and a second air outlet 12 communicating with the second air outlet channel 22 for outputting air from the second air outlet channel 22. A first heat exchanger 51 and a second heat exchanger 52 are spaced apart and respectively positioned opposite the first air outlet 11 and the second air outlet 12. This embodiment, by positioning the first heat exchanger 51 opposite the first air outlet 12 and the second heat exchanger 52 opposite the second air outlet, allows the air output from the first and second air outlet channels to pass through the heat exchangers more effectively, thereby further improving heat exchange efficiency.

[0038] In some embodiments, as shown in Figures 1 and 2, the fan assembly 3 includes a centrifugal impeller disposed within the volute body 2, and the gap between the first heat exchanger 51 and the second heat exchanger 52 forms a return air channel 23 for supplying air to the centrifugal impeller. In this embodiment, by configuring the fan assembly as a centrifugal impeller and providing a return air channel 23 between the first heat exchanger 51 and the second heat exchanger 52, the centrifugal impeller receives air through the gap between the first heat exchanger 51 and the second heat exchanger 52. This results in a more symmetrical arrangement of the air conditioning components, making the overall structure more uniform and compact, and helping to reduce the overall size of the air conditioning components.

[0039] In some embodiments, as shown in FIG2, the air conditioning component further includes a first air outlet grille 61 located on the side of the first heat exchanger 51 away from the first air outlet 11, a second air outlet grille 62 located on the side of the second heat exchanger 52 away from the second air outlet 12, and a return air grille 63 for the return air duct 23 away from the centrifugal impeller. The first air outlet grille 61, the second air outlet grille 62, and the return air grille 63 are located on the same plane, that is, at least one plane can intersect the first air outlet grille 61, the second air outlet grille 62, and the return air grille 63 simultaneously. In the embodiment shown in FIG., the first air outlet grille, the second air outlet grille, and the third air outlet grille are provided with a plurality of grille strips arranged in one direction and an air guide plate corresponding to one grille strip for closing or opening the grille strip. The air guide plate is rotatably disposed on the grille strip. This embodiment, by setting a first air outlet grille, a second air outlet grille, and a third air outlet grille, can better rectify and guide the air outlet after passing through the heat exchanger at the first air outlet, the air outlet after passing through the heat exchanger at the second air outlet, and the return air entering the centrifugal impeller, which helps to further enhance the control of the incoming and outgoing air. At the same time, since the first air outlet grille 61, the second air outlet grille 62, and the return air grille 63 are located on the same plane, their arrangement is more neat and orderly, which is not only aesthetically pleasing but also facilitates layout and control.

[0040] In some embodiments, as shown in FIG2, the air conditioning component further includes a first water receiving tray 531 disposed below the first heat exchanger 51 and a second water receiving tray 532 disposed below the second heat exchanger 52. This embodiment, by setting the first and second water receiving trays to collect water from the first and second heat exchangers respectively, ensures a more reliable condensate collection effect and also allows for more flexible arrangement of the water receiving trays.

[0041] In some embodiments, as shown in Figures 2, 3, and 5, the fan assembly 3 includes a centrifugal impeller disposed within the volute body 2. The switching device includes a curved baffle 41 disposed within the volute body 2 and surrounding the centrifugal impeller, and a driving member drivenly connected to the curved baffle 41. The driving member is used to drive the curved baffle 41 to rotate to switch between a first position blocking the first air outlet channel 21 and a position blocking the second air outlet channel 22. When the curved baffle 41 is in the first position, the curved baffle 41 blocks the first air outlet channel 21, and the air output by the fan assembly 3 cannot flow to the first air outlet channel, and the air output by the fan assembly 3 is sent to the second air outlet channel 22. When the curved baffle 41 is in the second position, the curved baffle blocks the second air outlet channel, and the air output by the fan assembly 3 cannot flow to the second air outlet channel, and the air output by the fan assembly 3 is sent to the first air outlet channel 21. This embodiment uses a curved baffle 41 and a driving component to switch between the first and second air outlet ducts by rotating the curved baffle. This is simple, effective, convenient and reliable.

[0042] In some embodiments, as shown in Figures 2, 3, and 5, the curved baffle 41 includes an arc-shaped baffle coaxially arranged with the centrifugal impeller. The air conditioning component also includes a first toothed structure 421 fixedly connected to the arc-shaped baffle and a second toothed structure 422 meshing with the first toothed structure 421. A driving member is drivenly connected to the second toothed structure 422, and the driving member drives the arc-shaped baffle by driving the second toothed structure 422 to rotate. The toothed structure has a toothed structure, including a complete gear ring, external gear, rack, etc. In this embodiment, by setting the curved baffle to an arc-shaped baffle coaxial with the centrifugal impeller and by driving the second toothed structure 422 to rotate, which in turn drives the first toothed structure 421 to rotate, the arc-shaped baffle can be driven to rotate. The arc-shaped baffle can rotate stably around the centrifugal impeller, thus effectively switching the air outlet channel without affecting the normal operation of the centrifugal impeller, making the structure safer and more reliable.

[0043] In some embodiments, as shown in the figure, the first toothed structure 421 includes a gear ring fixedly connected to the arc-shaped baffle, the second toothed structure 422 includes a gear fixedly connected to the gear ring, and the driving component includes a stepper motor fixedly connected to the gear coaxially. By controlling the rotation of the arc-shaped baffle through the connection of the stepper motor, gear, and gear ring, the rotation of the arc-shaped baffle can be precisely and effectively controlled, resulting in a simple and compact structure.

[0044] In some embodiments, the air supply directions of the first air outlet duct 21 and the second air outlet duct 22 are upward and downward, respectively. The indoor unit of this air conditioner can switch between upward and downward airflow. When the air conditioner is cooling or heating, the cold air density is relatively high, and the cold air blows downward, easily causing cold feet and a hot head, resulting in an uncomfortable experience. In this embodiment, by switching the air outlet ducts during cooling and heating, the indoor unit of the air conditioner can ensure that during cooling, the cold air is output from above, not blowing directly on people, and that the cold air sinks downward under gravity, providing a more comprehensive cooling effect and greater comfort. During heating, the hot air is output from below; the hot air density is low, allowing it to rise, improving the uniformity of heating and achieving a more comprehensive heating effect.

[0045] In some embodiments, as shown in the figure, the indoor unit of the air conditioner includes two air conditioning components arranged horizontally, and the fan assembly 3 includes a centrifugal impeller disposed within the volute body 2. This embodiment, by setting two centrifugal impellers to operate simultaneously, ensures symmetrical and uniform air intake and exhaust, and makes it easier to control the fan to operate in a low-noise state, thus contributing to energy conservation, environmental protection, and noise reduction.

[0046] 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. An indoor unit for an air conditioner, characterized in that, The system includes at least one air conditioning component, comprising: a housing component (1), the housing component (1) including a volute body (2), the volute body (2) including an air outlet assembly, the air outlet assembly including a first air outlet channel (21) and a second air outlet channel (22) disposed on the volute body (2), the first air outlet channel (21) and the second air outlet channel (22) having different air supply directions; a fan assembly disposed within the volute body (2) for supplying air to the air outlet assembly; and a switching device disposed within the volute body (2). Inside the shell body (2), there is a device for switching the fan assembly to send air to the first air outlet channel (21) or to the second air outlet channel (22); the heat exchange device includes a first heat exchanger (51) and a second heat exchanger (52) respectively corresponding to the first air outlet channel (21) and the second air outlet channel (22), the first heat exchanger (51) and the second heat exchanger (52) are respectively used to exchange heat on the air output from the first air outlet channel (21) and the air output from the second air outlet channel (22).

2. The air conditioner indoor unit as described in claim 1, characterized in that, The housing component (1) includes a first air outlet (11) communicating with the first air outlet channel (21) for outputting air from the first air outlet channel (21) and a second air outlet (12) communicating with the second air outlet channel (22) for outputting air from the second air outlet channel (22). The first heat exchanger (51) and the second heat exchanger (52) are spaced apart and are respectively facing the first air outlet (11) and the second air outlet (12).

3. The air conditioner indoor unit as described in claim 2, characterized in that, The fan assembly includes a centrifugal impeller disposed within the volute body (2), and the gap between the first heat exchanger (51) and the second heat exchanger (52) forms a return air passage (23) for supplying air to the centrifugal impeller.

4. The air conditioner indoor unit as described in claim 3, characterized in that, The air conditioning component also includes a first air outlet grille (61) located on the side of the first heat exchanger (51) away from the first air outlet (11), a second air outlet grille (62) located on the side of the second heat exchanger (52) away from the second air outlet (12), and a return air grille (63) for the return air duct (23) on the side away from the centrifugal impeller, wherein the first air outlet grille (61), the second air outlet grille (62), and the return air grille (63) are located on the same plane.

5. The air conditioner indoor unit as described in claim 3, characterized in that, The air conditioning component also includes a first water receiving tray (531) located below the first heat exchanger (51) and a second water receiving tray (532) located below the second heat exchanger (52).

6. The air conditioner indoor unit as described in claim 1, characterized in that, The fan assembly includes a centrifugal impeller disposed within the volute body (2). The switching device includes a curved baffle (41) disposed within the volute body (2) surrounding the centrifugal impeller and a driving member drivenly connected to the curved baffle (41). The driving member is used to drive the curved baffle (41) to rotate to switch between a first position blocking the first air outlet channel (21) and a position blocking the second air outlet channel (22). When the curved baffle (41) is in the first position, the fan assembly supplies air to the second air outlet channel (22). When the curved baffle (41) is in the second position, the fan assembly supplies air to the first air outlet channel (21).

7. The air conditioner indoor unit as described in claim 6, characterized in that, The curved baffle (41) includes an arc-shaped baffle coaxially arranged with the centrifugal impeller. The air conditioning component also includes a first toothed structure (421) fixedly connected to the arc-shaped baffle and a second toothed structure (422) meshing with the first toothed structure (421). The driving member is drivenly connected to the second toothed structure (422). The driving member drives the arc-shaped baffle by driving the second toothed structure (422) to rotate.

8. The air conditioner indoor unit as described in claim 7, characterized in that, The first tooth structure (421) includes a toothed ring fixedly connected to the arc-shaped baffle, the second tooth structure (422) includes a gear fixedly connected to the toothed ring, and the driving component includes a stepper motor fixedly connected to the gear on the same axis.

9. The air conditioning indoor unit as described in any one of claims 1 to 8, characterized in that, The air supply directions of the first air outlet channel (21) and the second air outlet channel (22) are upward and downward, respectively.

10. The air conditioning indoor unit as described in any one of claims 1 to 7, characterized in that, It includes two air conditioning components arranged in a horizontal direction, and the fan assembly includes a centrifugal impeller disposed within the volute body (2).

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