Air conditioner indoor unit and air conditioner unit

Abstract

The present disclosure relates to an air conditioner indoor unit and an air conditioning unit, wherein the air conditioner indoor unit comprises: a shell comprising a top wall, a bottom wall and a front wall, the front wall being connected between the top wall and the bottom wall and located at a first end along a first direction; a first air outlet being provided on an area of the bottom wall close to the front wall along the first direction, and a second air outlet being provided on the front wall; and a first guide plate and a second guide plate, both of which are rotatably arranged and have rotation axes extending along a second direction perpendicular to the first direction; wherein in a first air outlet state of the air conditioner indoor unit, the first air outlet is open, the first guide plate and the second guide plate are arranged side by side along a third direction and jointly close the second air outlet, the third direction being perpendicular to the first direction and the second direction; a guide surface of the first guide plate relative to the top wall is outwardly inclined, and both ends of the first guide plate form smooth guide areas with the guide surface and the second guide plate.

Description

Technical Field

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

[0002] As people's living standards continue to improve, the requirements for the performance of air conditioner indoor units are becoming increasingly higher. Among these requirements, users pay close attention to the heat exchange efficiency and airflow performance of the air conditioner indoor unit.

[0003] The internal structure of an air conditioner indoor unit is relatively complex. As the air outlet mode becomes more flexible, the airflow can easily generate greater resistance during the process of flowing and exiting the air duct. This can affect the heat exchange efficiency and the air outlet effect, such as louder air outlet noise and a poor user experience. Utility Model Content

[0004] The embodiments of this disclosure provide an indoor air conditioning unit and an air conditioning system that can improve the heat exchange efficiency of the indoor air conditioning unit and optimize the air output effect.

[0005] According to one aspect of this disclosure, an air conditioning indoor unit is provided, comprising:

[0006] The housing includes a top wall, a bottom wall, and a front wall, the front wall being connected between the top wall and the bottom wall and located at a first end along a first direction; a first air outlet is provided on the bottom wall near the front wall along the first direction, and a second air outlet is provided on the front wall; and

[0007] Both the first guide plate and the second guide plate can be rotatably set, and the axis of rotation extends along a second direction perpendicular to the first direction;

[0008] In the first air outlet state of the indoor unit of the air conditioner, the first air outlet is open, the first guide plate and the second guide plate are arranged side by side along a third direction and jointly close the second air outlet, the third direction is perpendicular to the first direction and the second direction; the first guide plate is inclined outward relative to the guide surface of the top wall, and the two ends of the first guide plate, the guide surface and the second guide plate all form a smooth guide area.

[0009] In some embodiments, in the first air outlet state, the lower second end of the first guide vane is inclined outward relative to the upper first end, and the lower second end of the second guide vane is inclined inward relative to the upper first end.

[0010] In some embodiments, the first guide vane includes a first arc guide section, and the second guide vane includes a second arc guide section. In the first air outlet state, the first arc guide section and the second arc guide section together form the same arc surface.

[0011] In some embodiments, the first guide vane includes a first arc guide section, and the second guide vane includes a second arc guide section. In the first air outlet state, the first arc guide section and the second arc guide section are different arc surfaces, and the first arc guide section and the second arc guide section are tangent to each other or are smoothly connected by a transition section.

[0012] In some embodiments, the transition section includes a planar section, the two ends of which are tangent to the first and second circular arc guide sections, respectively; or

[0013] The transition section includes an arc-shaped section, the two ends of which are tangent to the first and second circular arc guide sections, respectively.

[0014] In some embodiments, the first guide vane includes a first straight guide section, and the second guide vane includes a second straight guide section. In the first air outlet state, the first straight guide section and the second straight guide section are set at an angle and are smoothly connected by a transition section.

[0015] In some embodiments, in an auxiliary circle that is tangent to both the guide plane formed by the upper and lower ends of the guide surface and the first guide plate, the center of the auxiliary circle has a first perpendicular line to the guide surface, the center of the auxiliary circle has a second perpendicular line to the guide plane, and there is a first angle between the first perpendicular line and the second perpendicular line.

[0016] The first guide plate has a preset tilt angle relative to the guide surface, and the preset tilt angle is configured such that the first angle is within the preset angle range.

[0017] In some embodiments, the preset angle range is [45°, 75°].

[0018] In some embodiments, the indoor unit of the air conditioner further includes:

[0019] A fan, housed within a casing, includes a volute having an exhaust port located in the area of ​​the casing near the top wall; and

[0020] The heat exchanger is located inside the casing and between the fan and the second air outlet along the first direction.

[0021] In some embodiments, the top of the heat exchanger is higher than the guide surface, and the top wall is provided with a first relief portion that protrudes outward as a whole. The top of the heat exchanger extends into the first relief portion, and the side wall of the first relief portion near the second air outlet along the first direction is an inclined surface.

[0022] In the second air outlet state of the indoor unit of the air conditioner, the first guide plate rotates to abut against the inner surface of the top wall to open the second air outlet, and the inclined surface and the outer surface of the first guide plate form a smooth guide surface.

[0023] In some embodiments, the upper wall of the exhaust vent is inclined downward at a second angle relative to the guide surface, and the top of the heat exchanger is higher than the guide surface.

[0024] According to another aspect of this disclosure, an air conditioning unit is proposed, including the indoor unit of the above-described embodiments.

[0025] Based on the above technical solution, the air conditioner indoor unit of this embodiment has a first air outlet on the bottom wall and a second air outlet on the front wall, which can flexibly select different air outlet modes according to actual air outlet needs, thereby improving the performance of the air conditioner indoor unit and enhancing user comfort.

[0026] Furthermore, in the first air outlet state, when the airflow flows towards the outlet in the first direction, the airflow in the uppermost region flows towards the second outlet along the guide surface. From the guide surface, it transitions to the inner surface of the first guide plate through a small turning angle, achieving a smooth reversal, and then flows smoothly from the first guide plate to the second guide plate, finally exiting from the first outlet. This structure reduces the resistance of the airflow when flowing towards the outlet, reduces airflow loss due to airflow turning or guide plate docking, thereby achieving smooth airflow, improving heat exchange efficiency, making the outlet airflow more stable, reducing noise, improving airflow uniformity, and enhancing airflow quality. Attached Figure Description

[0027] The accompanying drawings, which are included to provide a further understanding of this disclosure and form part of this application, illustrate exemplary embodiments of this disclosure and are used to explain this disclosure, but do not constitute an undue limitation of this disclosure. In the drawings:

[0028] Figure 1 This is a schematic diagram showing the structure of an indoor air unit of an air conditioner in some embodiments of the present disclosure, where the first air outlet is in an open state and the second air outlet is in a closed state.

[0029] Figure 2 for Figure 1 The diagram shows the structure of the indoor unit of the air conditioner, where both the first and second air outlets are open.

[0030] Explanation of reference numerals in the attached figures

[0031] 1. Shell; 11. Top wall; 111. First clearance section; 112. Inclined surface; 113. Second clearance section; A. Guide surface; 12. Bottom wall; 121. First air outlet; 13. Front wall; 131. Second air outlet; 14. Rear wall; 141. Return air outlet;

[0032] 2. Fan; 21. Volute; 211. Exhaust vent; 22. Impeller;

[0033] 3. Heat exchanger; 31. First heat exchange section; 32. Second heat exchange section;

[0034] 4. First guide vane; 41. First hinge shaft;

[0035] 5. Second guide vane; 51. Second hinge shaft;

[0036] 6. Water drip tray;

[0037] x, first direction; y, second direction; z, third direction. Detailed Implementation

[0038] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are in no way intended to limit the present disclosure or its application or use. The present disclosure may be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that the present disclosure will be thorough and complete, and will fully express the scope of the disclosure to those skilled in the art. It should be noted that, unless specifically stated otherwise, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values ​​set forth in these embodiments should be interpreted as exemplary only and not as limiting.

[0039] The terms "first," "second," and similar words used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "contains" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "above," "below," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, this relative positional relationship may also change accordingly.

[0040] In this disclosure, when a specific device is described as being located between a first device and a second device, an intermediary device may or may not be present between the specific device and the first or second device. When a specific device is described as being connected to other devices, the specific device may be directly connected to the other devices without an intermediary device, or it may be not directly connected to the other devices but have an intermediary device.

[0041] All terms used in this disclosure (including technical or scientific terms) have the same meaning as understood by one of ordinary skill in the art to which this disclosure pertains, unless otherwise specifically defined. It should also be understood that terms defined in a general dictionary, such as a dictionary, should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and not as having an idealized or highly formalized meaning, unless expressly defined herein.

[0042] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.

[0043] Based on the embodiments disclosed above, in the absence of explicit denial or conflict, the technical features of one embodiment may be advantageously combined with one or more other embodiments.

[0044] This disclosure provides an indoor unit for an air conditioner, such as Figure 1 and Figure 2 As shown, in some embodiments, the indoor unit of the air conditioner includes:

[0045] The housing 1 includes a top wall 11, a bottom wall 12, and a front wall 13. The front wall 13 connects the top wall 11 and the bottom wall 12 and is located at a first end along a first direction x. A first air outlet 121 is provided on the bottom wall 12 near the front wall 13 along the first direction x, and a second air outlet 131 is provided on the front wall 13.

[0046] Both the first guide plate 4 and the second guide plate 5 can be rotatably set, and the axis of rotation extends along the second direction y, which is perpendicular to the first direction x.

[0047] In the first air outlet state of the indoor unit of the air conditioner, the first air outlet 121 is open, and the first guide plate 4 and the second guide plate 5 are arranged side by side along a third direction z and together close the second air outlet 131. The third direction z is perpendicular to the first direction x and the second direction y. The first guide plate 4 is inclined outward relative to the guide surface A of the top wall 11, and both ends of the first guide plate 4, the guide surface A, and the second guide plate 5 form smooth guide areas. For example, the smooth guide area can be achieved by smoothly connecting to form a gentle guide surface or by setting a transition guide surface.

[0048] For example, such as Figure 1 As shown, the indoor unit of the air conditioner can be a duct-type indoor unit, which can be embedded in the ceiling for installation. The airflow from the first air outlet 121 and the second air outlet 131 can be combined with the grille for air distribution. Alternatively, the indoor unit of the air conditioner can also be a wall-mounted indoor unit.

[0049] The housing 1 may include a top wall 11, a bottom wall 12, a front wall 13, and a rear wall 14. The top wall 11 and the bottom wall 12 are spaced apart relative to each other along a third direction z, and the front wall 13 and the rear wall 14 are spaced apart relative to each other along a first direction x. The front wall 13 is connected between the top wall 11 and the bottom wall 12 and is located at a first end along the first direction x, and the rear wall 14 is connected between the top wall 11 and the bottom wall 12 and is located at a second end along the first direction x. Further, the housing 1 may also include two side walls, connected between the top wall 11 and the bottom wall 12, and located on both sides respectively along a second direction x. Here, the third direction z is the height direction.

[0050] A first air outlet 121 is provided on the bottom wall 12 along the first direction x near the front wall 13 for downward airflow, and a second air outlet 131 is provided on the front wall 13 for forward airflow. Figure 1As shown, the dimension of the first air outlet 121 along the first direction x is smaller than the dimension of the second air outlet 131 along the third direction z, which can reduce the dimension (front and rear dimensions) of the indoor unit of the air conditioner along the first direction x. For example, the dimension of the second air outlet 131 is close to the height dimension of the front wall 13.

[0051] The first air outlet 121 and the second air outlet 131 may be arranged adjacent to each other so that the bottom area of ​​the first air outlet 121 or the second air outlet 131 can be closed by the rotation of the same second guide plate 5. Optionally, the first air outlet 121 is spaced at a preset distance from the front wall 13.

[0052] Optionally, the dimension of the first air outlet 121 along the first direction x may also be greater than or equal to the dimension of the second air outlet 131 along the third direction z.

[0053] The rotation axes of the first guide plate 4 and the second guide plate 5 both extend along the second direction y. The first hinge shaft 41 of the first guide plate 4 can be set at the first end of the top or the second end of the bottom; the second hinge shaft 51 of the second guide plate 5 can be set at the first end of the top or the second end of the bottom.

[0054] In the first air outlet state of the indoor unit of the air conditioner, the first air outlet 121 is open, and the first guide plate 4 and the second guide plate 5 together close the second air outlet 131, achieving downward air outlet. The guide surface A of the top wall 11 is the main surface of the top wall 11 that guides the airflow to the innermost area. When the inner surface of the top wall 11 has a concave-convex surface, the guide surface A can also be determined in this way. At this time, when the airflow flows towards the air outlet along the first direction x, the airflow in the uppermost area flows towards the second air outlet 131 along the guide surface A. When it flows to the first end of the top wall 11, it smoothly changes direction and flows along the inner surface of the first guide plate 4 and transitions to the second guide plate 5, finally flowing out from the first air outlet 121.

[0055] Most ducted indoor units currently only have one front air outlet. However, this air supply method causes hot air to fail to reach the ground quickly in heating mode, and it is difficult to reach the area at the bottom of the indoor unit. The air supply blind zone is large, and it cannot achieve rapid heating, resulting in a large temperature difference between the near and far.

[0056] This embodiment of the present disclosure provides a first air outlet 121 on the bottom wall 12 and a second air outlet 131 on the front wall 13. Different air outlet modes can be flexibly selected according to actual air outlet needs. The appropriate air outlet mode can be selected comprehensively based on factors such as heat exchange effect, air outlet comfort, and the location of the target air supply area, thereby improving the performance of the indoor unit of the air conditioner and enhancing user comfort.

[0057] For example, in heating mode, such as Figure 1As shown, a first air outlet state can be selected, in which the first guide plate 4 and the second guide plate 5 jointly close the second air outlet 131. Hot air can be blown downward through the first air outlet 121 to quickly reach the ground, and the hot air can easily flow upward to reach distant areas, achieving rapid heating and improving temperature uniformity. Alternatively, in cooling or heating mode, a second air outlet state can be selected, in which the first guide plate 4 and the second guide plate 5 rotate to open both the first air outlet 121 and the second air outlet 131, achieving forward long-distance air outlet and downward air outlet to achieve rapid cooling and improve temperature uniformity. Alternatively, in cooling mode, a third air outlet state can be selected, in which the first guide plate 4 and the second guide plate 5 rotate to open the second air outlet 131 and close the first air outlet 121, achieving forward long-distance air outlet to achieve rapid cooling and cover a larger area indoors.

[0058] Furthermore, in the first air outlet state, when the airflow flows towards the outlet along the first direction x, the airflow in the uppermost region flows along the guide surface A towards the second outlet 131. When it reaches the first end of the top wall 11, a smooth guide zone is formed between the first end of the first guide plate 4 and the guide surface A, and the first guide plate 4 is inclined outward relative to the guide surface A (i.e., at an obtuse angle). The airflow can transition from the guide surface A to the inner surface of the first guide plate 4 through a small turning angle, achieving a smooth change of direction. Also, since a smooth transition zone is provided between the second end of the first guide plate 4 and the second guide plate 5, the airflow can smoothly flow from the inner surface of the first guide plate 4 to the inner surface of the second guide plate 5, achieving smooth flow, and finally flowing out from the first outlet 121. This structure can reduce the resistance of the airflow when flowing towards the outlet and reduce airflow loss caused by airflow turning or guide plate docking.

[0059] By reducing airflow loss, on the one hand, airflow can be delivered more smoothly, reducing energy waste and improving the heat exchange efficiency of the indoor unit. This allows for the output of more cooling or heating capacity with the same power consumption, shortening the time it takes for the indoor temperature to reach the set point. Smoother airflow also distributes the air more evenly throughout the room, improving temperature uniformity and overall comfort. On the other hand, it prevents air collisions, turbulence, and eddies during airflow, resulting in a smoother flow, reduced noise, and improved air quality. Finally, it improves the uniformity of airflow.

[0060] In some embodiments, in the first air outlet state, the lower second end of the first guide vane 4 is tilted outward relative to the upper first end, and the lower second end of the second guide vane 5 is tilted inward relative to the upper first end.

[0061] This embodiment not only allows the airflow to transition downwards from the guide surface A to the inner surface of the first guide plate 4 through a small turning angle, achieving a smooth reversal, but also allows the second guide plate 5 to be tilted in the opposite direction to the first guide plate 4, which can reduce the size of the air conditioner indoor unit along the first direction x and facilitates vertical downward air outlet. It can also allow the first air outlet 121 to be set slightly backward, reducing the heat exchange blind zone below the air conditioner indoor unit.

[0062] In some embodiments, the first guide plate 4 includes a first arc guide section, and the second guide plate 5 includes a second arc guide section. In the first air outlet state, the first arc guide section and the second arc guide section together form the same arc surface.

[0063] Among them, most of the plate segments of the first guide plate 4 are first circular arc guide segments, and most of the plate segments of the second guide plate 5 are second circular arc guide segments.

[0064] In this embodiment, under the first air outlet state, when the first guide plate 4 and the second guide plate 5 together close the second air outlet 131, they together form an arc surface. That is, the center and radius of the first arc guide section and the second arc guide section are the same, and they are joined together at the connection point. Since the first guide plate 4 includes the first arc guide section, the airflow can smoothly transition from the guide surface A to the inner surface of the first guide plate 4, and flow smoothly along the inner surface of the arc of the first guide plate 4. Moreover, the first guide plate 4 and the second guide plate 5 are spliced ​​into an integral arc. When the airflow transitions from the first guide plate 4 to the second guide plate 5, the airflow loss is minimized to the greatest extent, reducing the airflow loss caused by the connection of the two guide plates. Thus, smooth air outlet can be achieved, heat exchange efficiency can be improved, the airflow can be made more stable, noise can be reduced, air outlet uniformity can be improved, and air outlet quality can be enhanced.

[0065] In some embodiments, the first guide plate 4 includes a first arc guide section, and the second guide plate 5 includes a second arc guide section. In the first air outlet state, the first arc guide section and the second arc guide section are different arc surfaces, and the first arc guide section and the second arc guide section are tangent to each other or are smoothly connected by a transition section.

[0066] The first and second circular arc guide sections are different circular arc surfaces, meaning they have different centers and / or different radii. However, they can be tangent to each other, i.e., the first and second circular arc guide sections are tangent at the joint; or they can be smoothly connected by a transition section.

[0067] In this embodiment, under the first air outlet state, when the first guide plate 4 and the second guide plate 5 together close the second air outlet 131, since the first guide plate 4 includes a first arc guide section, the airflow can smoothly transition from the guide surface A to the inner surface of the first guide plate 4, and flow smoothly along the inner arc surface of the first guide plate 4. Although the first arc guide section and the second arc guide section are different arc surfaces, they are smoothly connected at the joint by a transition section. When the airflow transitions from the first guide plate 4 to the second guide plate 5, the airflow loss is minimized, reducing the airflow loss caused by the docking of the two guide plates. Thus, smooth air outlet can be achieved, heat exchange efficiency can be improved, the airflow can be made more stable, noise can be reduced, air outlet uniformity can be improved, and air outlet quality can be enhanced.

[0068] In some embodiments, the transition section includes a planar section, the two ends of which are tangent to the first circular arc guide section and the second circular arc guide section, respectively; or the transition section includes an arc-shaped section, the two ends of which are tangent to the first circular arc guide section and the second circular arc guide section, respectively.

[0069] In this embodiment, when the first and second arc guide sections are different arc surfaces, they can be smoothly connected at the joint by a planar section or an arc section. When the airflow transitions from the first guide plate 4 to the second guide plate 5, the airflow loss can be reduced, thereby reducing the airflow loss caused by the joint of the two guide plates. As a result, smooth airflow can be achieved, heat exchange efficiency can be improved, the airflow can be made more stable, noise can be reduced, airflow uniformity can be improved, and airflow quality can be enhanced.

[0070] In some embodiments, the first guide plate 4 includes a first straight guide section, and the second guide plate 5 includes a second straight guide section. In the first air outlet state, the first straight guide section and the second straight guide section are set at an angle and are smoothly connected by a transition section.

[0071] For example, the transition section can be an arc-shaped surface, such as a circular arc or an elliptical arc.

[0072] In this embodiment, when the first guide plate 4 and the second guide plate 5 together close the second air outlet 131 in the first air outlet state, the first guide plate 4 includes a first straight guide section, which allows the airflow to flow smoothly from the guide surface A to the inner surface of the first guide plate 4. Although there is a turning angle between the first straight guide section and the second straight guide section, they are smoothly connected by a transition section at the joint. When the airflow transitions from the first guide plate 4 to the second guide plate 5, the airflow loss is minimized, reducing the airflow loss caused by the docking of the two guide plates. As a result, smooth air outlet can be achieved, heat exchange efficiency can be improved, the airflow can be made more stable, noise can be reduced, air outlet uniformity can be improved, and air outlet quality can be enhanced.

[0073] In some embodiments, such as Figure 1As shown, in the auxiliary circle D that is tangent to the guide plane B formed by connecting the upper and lower ends of the guide surface A and the first guide plate 4, the center of the auxiliary circle D has a first perpendicular line to the guide surface A, and the center has a second perpendicular line to the guide plane B. There is a first angle α between the first perpendicular line and the second perpendicular line.

[0074] The first guide plate 4 has a preset tilt angle relative to the guide surface A. The preset tilt angle is configured such that the first angle α is within the preset angle range.

[0075] Specifically, the first end and the second end of the first guide plate 4 are connected to form a guide plane B. This plane is an auxiliary plane. The guide surface A intersects with the guide plane B. Then, an auxiliary circle D is constructed. The auxiliary circle D is tangent to both the guide surface A and the guide plane B. The center of the circle has a first perpendicular line to the guide surface A and a second perpendicular line to the guide plane B. The angle between the first perpendicular line and the second perpendicular line is the first angle α.

[0076] This embodiment takes into account that when the first guide plate 4 is formed in an arc shape, it is not easy to set the angle of the first guide plate 4 tilting outward due to the influence of the curvature. The first angle α constructed in the above manner can reflect the degree of the first guide plate 4 tilting outward, without having to consider the shape of the first guide plate itself.

[0077] Furthermore, the preset tilt angle of the first guide plate 4 relative to the guide surface A is configured such that the first angle α is within a preset angle range. If the value of the first angle α is too small, the outward tilt angle of the first guide plate 4 is too large. Although this can reduce the airflow loss when the airflow transitions from the guide surface A to the inner surface of the first guide plate 4, it will also cause the size of the indoor unit of the air conditioner along the first direction x to be too large, reducing the internal compactness. When the airflow flows to the second guide plate 5 and exits through the first air outlet 121, a large turning angle will occur, increasing the airflow loss. If the value of the first angle α is too small... When the airflow is large, the outward tilt angle of the first guide plate 4 is small. Although this can reduce the size of the indoor unit of the air conditioner along the first direction x and reduce the airflow loss from the first guide plate 4 to the second guide plate 5, there is a large turning angle (e.g., close to 90°) when the airflow transitions from the guide surface A to the inner surface of the first guide plate 4. The guiding effect of the first guide plate 4 is poor, and the impact of the airflow on the first guide plate 4 is large, which will cause the first guide plate 4 to vibrate frequently, resulting in louder airflow noise and is not conducive to the sealing effect of the first guide plate 4 and the second guide plate 5.

[0078] Therefore, by configuring the preset tilt angle so that the first angle α is within the preset angle range, it can reduce the airflow loss when the airflow transitions from the guide surface A to the inner surface of the first guide plate 4, allowing the first guide plate 4 to fully exert its guiding function, achieving smooth airflow, improving heat exchange efficiency, and making the airflow more stable. Moreover, it can reduce the impact of airflow on the inner surface of the first guide plate 4 when the airflow changes direction, reduce noise, reduce the vibration of the first guide plate 4, and help maintain the sealing effect of the first guide plate 4 and the second guide plate 5. In addition, it can reduce the size of the indoor unit of the air conditioner along the first direction x, and improve the internal compactness.

[0079] In some embodiments, the preset angle range is [45°, 75°], that is, 45°≤α≤75°. For example, α is 45°, 50°, 55°, 60°, 65°, 70° or 75°, but is not limited to these angle values.

[0080] This embodiment sets the preset tilt angle within the range of [45°, 75°], which can reduce airflow loss, such as static pressure loss, during the transition of airflow from the guide surface A to the inner surface of the first guide plate 4, allowing the first guide plate 4 to fully exert its guiding function, achieving smooth airflow, improving heat exchange efficiency, and making the airflow more stable. Moreover, it can reduce the impact of airflow on the inner surface of the first guide plate 4 when the airflow changes direction, reduce noise, reduce the vibration of the first guide plate 4, and help maintain the sealing effect of the first guide plate 4 and the second guide plate 5. In addition, it can reduce the size of the indoor unit of the air conditioner along the first direction x, improving the internal compactness.

[0081] In some embodiments, the indoor unit of the air conditioner further includes:

[0082] Fan 2, housed within housing 1, includes a volute 21 having an exhaust port 211 located in the area of ​​housing 1 near the top wall 11; and

[0083] The heat exchanger 3 is located inside the housing 1 and is positioned between the fan 2 and the second air outlet 131 along the first direction x.

[0084] For example, the fan 2 can be a centrifugal fan, including a volute 21 and an impeller 22 disposed in the volute 21, with the centerline of the impeller 22 extending along the second direction y. Figure 1 The central exhaust vent 211 is located in the upper region of the housing 1 along the third direction z. Optionally, the exhaust vent 211 is located in the lower region of the housing 1 along the third direction z.

[0085] The heat exchanger 3 includes a first heat exchange section 31 and a second heat exchange section 32, which are arranged at an angle to each other, forming a V-shape. The opening formed by the first heat exchange section 31 and the second heat exchange section 32 faces the exhaust port 211. A water receiving tray 6 is provided at the bottom of the heat exchanger 3, specifically at the bottom of the second heat exchange section 32. The end of the heat exchanger 3 away from the fan 2 along the first direction x can be entirely located on one side of the first exhaust port 121 to make full use of the exhaust air from the first exhaust port 121.

[0086] In this embodiment, the heat exchanger 3 is positioned between the fan 2 and the second air outlet 131 along the first direction x. The airflow discharged from the fan 2 can diffuse along the third direction z to fully exchange heat with the heat exchanger 3, and the discharged airflow has an angular velocity, allowing it to pass smoothly through the heat exchanger to improve heat exchange efficiency. Furthermore, the exhaust outlet 211 is located in the upper region of the shell 1, making full use of the guide surface A to guide the gas flow towards the outlet area. In the first outlet state, the guiding effect of the guide surface A, the first guide plate 4, and the second guide plate 5 is fully utilized, resulting in a more uniform flow field distribution within the shell 1. During gas flow, airflow loss is reduced at the transition between the guide surface A and the first guide plate 4, and at the junction of the first guide plate 4 and the second guide plate 5. Therefore, heat exchange efficiency is improved, and the bottom outlet effect is optimized.

[0087] In some embodiments, such as Figure 1 and Figure 2 As shown, the top of the heat exchanger 3 is higher than the guide surface A. The top wall 11 is provided with a first clearance part 111. The first clearance part 111 protrudes outward as a whole. The top of the heat exchanger 3 extends into the first clearance part 111. The side wall of the first clearance part 111 near the second air outlet 131 along the first direction x is an inclined surface 112.

[0088] In the second air outlet state of the indoor unit of the air conditioner, the first guide plate 4 rotates to abut against the inner surface of the top wall 11 to open the second air outlet 131, and the inclined surface 112 and the outer surface of the first guide plate 4 form a smooth guide surface.

[0089] like Figure 2 As shown, the first guide vane 4 rotates inward until it abuts against the inner surface of the top wall 11. At this time, the top area of ​​the second air outlet 131 opens, and the inclined surface 112 and the outer surface of the first guide vane 4 can smoothly transition. In order to achieve a smooth transition, the outer surface of the first guide vane 4 can be an arc-shaped surface, and the inclined surface 112 can be a plane or an arc-shaped surface.

[0090] In this embodiment, a first clearance portion 111 is provided on the top wall 11, allowing the top of the heat exchanger 3 to extend into the first clearance portion 111. This fully utilizes the space of the shell 1 in the third direction z, increasing the heat exchange area. Furthermore, the side wall of the first clearance portion 111 near the second air outlet 131 along the first direction x is inclined surface 112. When the first guide plate 4 rotates to abut against the inner surface of the top wall 11, opening the second air outlet 131, the inclined surface 112 and the outer surface of the first guide plate 4 form a smooth guide surface. When the airflow passes through the heat exchanger 3 and flows to the right, or when a small amount of gas passes through the gap between the first clearance portion 111 and the top of the heat exchanger 3 and flows to the right, the inclined surface 112 and the outer surface of the first guide plate 4 can effectively guide the airflow, allowing it to flow out from the second air outlet 131 and reducing airflow loss.

[0091] In some embodiments, the fan 2 is a centrifugal fan and includes a volute 21 with an exhaust port 211. The upper wall of the exhaust port 211 is inclined downward at a second angle β relative to the guide surface A, and the top of the heat exchanger 3 is higher than the guide surface A. For example, 1° ≤ β ≤ 20°, or other angles may be selected.

[0092] In this embodiment, the upper wall of the exhaust port 211 is tilted downward at a second angle β relative to the guide surface A. The entire upper wall of the exhaust port 211 is located below the guide surface A, which allows the airflow discharged from the exhaust port 211 to pass through the heat exchanger 3 as much as possible, reducing the airflow from flowing through the gap between the first clearance part 111 and the top of the heat exchanger 3, optimizing the heat exchange effect, and reducing the formation of vortices in the first clearance part 111, so that the gas flows smoothly toward the exhaust port.

[0093] In some specific embodiments, such as Figure 1 and Figure 2 As shown, the first hinge shaft 41 of the first guide plate 4 is located at the first end above, and the second hinge shaft 51 of the second guide plate 5 is located at the first end above. In order to set the first hinge shaft 41, a second clearance part 113 is provided on the top wall 11 to avoid the first hinge shaft 41.

[0094] In the first air outlet state, such as Figure 1 As shown, the first guide plate 4 and the second guide plate 5 together seal the second air outlet 131. The first air outlet 121 is in the open state, allowing downward airflow, which is suitable for heating mode. Hot air can be blown downward through the first air outlet 121 to quickly reach the ground, and the hot air can also easily flow upward to reach distant areas, achieving rapid heating and improving temperature uniformity. Of course, the first air outlet state is also suitable for cooling mode.

[0095] In the second air outlet state, such as Figure 2As shown, both the first guide plate 4 and the second guide plate 5 open upwards. The first guide plate 4 abuts against and is held against the inner surface of the top wall 11, while the second guide plate 5 is located in the middle height region. The first air outlet 121 and the second air outlet 131 can be open simultaneously, achieving downward and forward airflow. Furthermore, since the second guide plate 5 is located in the middle height region of the second air outlet 131, the side airflow can be guided simultaneously through the inner and outer surfaces of the second guide plate 5, making the airflow from the second air outlet 131 more uniform in the vertical region. The second guide plate 5 is located in the connection area between the first heat exchange section 31 and the second heat exchange section, where the gas velocity is low, making it easy to maintain the position of the second guide plate 5. This second airflow configuration is suitable for high-volume airflow in both heating and cooling modes.

[0096] In other embodiments, the second hinge shaft 51 of the second guide plate 5 can also be located at the lower second end. In this way, after the second guide plate 5 rotates inward to a certain angle, it can close the first air outlet 121. At this time, air is only discharged through the second air outlet 131 to achieve front air discharge and realize the third air discharge state. The third air discharge state is suitable for the cooling mode to achieve long-distance air delivery, and of course, it can also be applied to the heating mode.

[0097] In other embodiments, the first hinge shaft 41 of the first guide plate 4 may also be located at the lower second end.

[0098] Secondly, this disclosure provides an air conditioning unit, including the indoor unit of the air conditioning unit described in the above embodiments.

[0099] This type of air conditioning unit changes the way the air outlet is set in the indoor unit, allowing for flexible selection of different air outlet modes according to actual air outlet needs, thereby improving the performance of the air conditioning unit and enhancing user comfort.

[0100] Furthermore, in the first air outlet state, when the airflow flows towards the outlet in the first direction, the airflow in the uppermost region flows towards the second outlet along the guide surface. From the guide surface, it transitions to the inner surface of the first guide plate through a small turning angle, achieving a smooth reversal, and then flows smoothly from the first guide plate to the second guide plate, finally exiting from the first outlet. This structure reduces the resistance of the airflow when flowing towards the outlet, reduces airflow loss due to airflow turning or guide plate docking, thereby achieving smooth airflow, improving heat exchange efficiency, making the outlet airflow more stable, reducing noise, improving airflow uniformity, and enhancing airflow quality.

[0101] The present disclosure provides a detailed description of an indoor air conditioning unit and an air conditioning system. Specific embodiments have been used to illustrate the principles and implementation methods of the present disclosure. These embodiments are merely illustrative and are intended to aid in understanding the method and core concepts of the present disclosure. It should be noted that those skilled in the art can make various improvements and modifications to the present disclosure without departing from its principles, and these improvements and modifications also fall within the scope of protection of the claims of this disclosure.

Claims

1. An air conditioner indoor unit characterized by comprising: include: A housing (1) includes a top wall (11), a bottom wall (12), and a front wall (13), wherein the front wall (13) is connected between the top wall (11) and the bottom wall (12) and is located at a first end along a first direction (x); a first air outlet (121) is provided on the bottom wall (12) in a region along the first direction (x) near the front wall (13), and a second air outlet (131) is provided on the front wall (13); and Both the first guide plate (4) and the second guide plate (5) can be rotatably set, and the axis of rotation extends along the second direction (y) perpendicular to the first direction (x); In the first air outlet state of the indoor unit of the air conditioner, the first air outlet (121) is open, the first guide plate (4) and the second guide plate (5) are arranged side by side along a third direction (z) and jointly close the second air outlet (131), the third direction (z) is perpendicular to the first direction (x) and the second direction (y); the first guide plate (4) is inclined outward relative to the guide surface (A) of the top wall (11), and both ends of the first guide plate (4) form a smooth guide area with the guide surface (A) and the second guide plate (5).

2. The indoor unit of the air conditioner according to claim 1, characterized in that, In the first air outlet state, the lower second end of the first guide plate (4) is tilted outward relative to the upper first end, and the lower second end of the second guide plate (5) is tilted inward relative to the upper first end.

3. The indoor unit of the air conditioner according to claim 1, characterized in that, The first guide plate (4) includes a first arc guide section, and the second guide plate (5) includes a second arc guide section. In the first air outlet state, the first arc guide section and the second arc guide section together form the same arc surface.

4. The indoor unit of the air conditioner according to claim 1, characterized in that, The first guide plate (4) includes a first arc guide section, and the second guide plate (5) includes a second arc guide section. In the first air outlet state, the first arc guide section and the second arc guide section are different arc surfaces, and the first arc guide section and the second arc guide section are tangent to each other or are smoothly connected by a transition section.

5. The indoor unit of the air conditioner according to claim 4, characterized in that, The transition section includes a planar section, the two ends of which are tangent to the first and second circular arc guide sections, respectively; or The transition section includes an arc-shaped section, the two ends of which are tangent to the first arc-shaped guide section and the second arc-shaped guide section, respectively.

6. The indoor unit of the air conditioner according to claim 1, characterized in that, The first guide plate (4) includes a first straight guide section, and the second guide plate (5) includes a second straight guide section. In the first air outlet state, the first straight guide section and the second straight guide section are set at an angle and are smoothly connected by a transition section.

7. The air conditioning indoor unit according to any one of claims 1 to 6, characterized in that, In an auxiliary circle (D) that is tangent to both the guide plane (B) formed by connecting the upper and lower ends of the guide surface (A) and the first guide plate (4), the center of the auxiliary circle (D) has a first perpendicular line to the guide surface (A), and the center of the circle has a second perpendicular line to the guide plane (B). There is a first angle (α) between the first perpendicular line and the second perpendicular line. The first guide plate (4) has a preset tilt angle relative to the guide surface (A), and the preset tilt angle is configured such that the first angle (α) is within a preset angle range.

8. The indoor unit of the air conditioner according to claim 7, characterized in that, The preset angle range is [45°, 75°].

9. The air conditioning indoor unit according to any one of claims 1 to 6, characterized in that, Also includes: A fan (2), disposed within the housing (1), the fan (2) comprising a volute (21) having an exhaust port (211) located in the area of ​​the housing (1) near the top wall (11); and A heat exchanger (3) is disposed inside the housing (1) and located between the fan (2) and the second air outlet (131) along the first direction (x).

10. The indoor unit of the air conditioner according to claim 9, characterized in that, The top of the heat exchanger (3) is higher than the guide surface (A). The top wall (11) is provided with a first clearance part (111). The first clearance part (111) protrudes outward as a whole. The top of the heat exchanger (3) extends into the first clearance part (111). The side wall of the first clearance part (111) near the second air outlet (131) along the first direction (x) is an inclined surface (112). In the second air outlet state of the indoor unit of the air conditioner, the first guide plate (4) rotates to abut against the inner surface of the top wall (11) to open the second air outlet (131), and the inclined surface (112) and the outer surface of the first guide plate (4) form a smooth guide surface.

11. The indoor unit of the air conditioner according to claim 9, characterized in that, The upper wall of the exhaust vent (211) is inclined downward at a second angle (β) relative to the guide surface (A), and the top of the heat exchanger (3) is higher than the guide surface (A).

12. An air conditioning unit, characterized in that, Includes the air conditioning indoor unit as described in any one of claims 1 to 11.

Images