Air conditioner indoor unit and air conditioner

Abstract

This invention discloses an indoor air conditioning unit and an air conditioner. The indoor air conditioning unit includes a housing, two air diffusers with air vents, and a louver assembly. The housing has an air outlet. The second air diffuser is rotatably arranged along the rotation axis of the first air diffuser along its length direction, so that the overlapping area of ​​the projections of the air vents of the two air diffusers along the air outlet direction is variable. In this invention, the change in the relative position of the second air diffuser and the first air diffuser causes the overlapping area of ​​the projections of the second air vent and the first air vent along the air outlet direction to continuously change, thereby altering the airflow pattern of the indoor air conditioning unit and optimizing the air supply effect and visual effect.

Description

Technical Field

[0001] This invention relates to the technical field of air handling equipment, specifically to an indoor air conditioning unit and an air conditioner. Background Technology

[0002] Traditional air conditioners typically use directional airflow or vertical / horizontal airflow, resulting in harsh, direct cold air that can cause discomfort to users.

[0003] To address these issues, existing air conditioners typically incorporate a diffuser structure at the air outlet to soften the airflow. However, the existing diffuser structures offer only a single, limited airflow pattern, failing to provide variation in airflow and exhibiting a rather monotonous visual appearance. Summary of the Invention

[0004] The main objective of this invention is to propose an indoor air conditioning unit and an air conditioner, which aims to solve the problem of the single air distribution mode in traditional air conditioners.

[0005] To achieve the above objectives, the present invention provides an indoor air conditioning unit, comprising:

[0006] The casing has an air outlet;

[0007] Two air diffusers are provided, each with an air diffuser opening. One of the two air diffusers is a first air diffuser, and the other is a second air diffuser. The first air diffuser is located at the air outlet, and the second air diffuser has a rotation axis arranged along the length direction of the first air diffuser. The second air diffuser is rotated relative to the first air diffuser around the rotation axis, so that the overlapping area of ​​the projection of the air diffuser openings of the two air diffusers along the air outlet direction is variable.

[0008] In one embodiment, the indoor unit of the air conditioner further includes louvers and a connecting rod. One end of the louvers is movably connected to the second air diffuser, and the other end is movably connected to the connecting rod, so that the louvers can be moved by moving the connecting rod.

[0009] In one embodiment, the first air diffuser is rotatably mounted on the housing to be rotated to open the air outlet and close the air outlet.

[0010] In one embodiment, both the first air diffuser and the second air diffuser are arranged in an arc shape.

[0011] In one embodiment, the rotation axis of the first air diffuser and the rotation axis of the second air diffuser are collinear, and both the first air diffuser and the second air diffuser are arranged in a concentric arc shape.

[0012] In one embodiment, the indoor unit of the air conditioner further includes a drive device for driving the first air diffuser, the second air diffuser, and the connecting rod to move respectively.

[0013] In one embodiment, the driving device includes a first driver for driving the first diffuser plate to rotate;

[0014] Two first rotating shaft portions are respectively protruded at opposite ends of the first air diffuser plate. The housing is provided with two first shaft holes that are rotatably fitted with the two first rotating shaft portions. The first driver drives and connects to one of the first rotating shaft portions.

[0015] In one embodiment, the driving device includes a second driver for driving the second diffuser plate to rotate;

[0016] The two ends of the second air diffuser plate are respectively provided to form two second rotating shaft portions. The first air diffuser plate is correspondingly provided with two second shaft holes that are rotatably installed and fitted with the two second rotating shaft portions. The second driver is connected to one of the second rotating shaft portions.

[0017] In one embodiment, a limiting post protrudes from the side of the second air diffuser plate, and a limiting groove is provided on the housing corresponding to the limiting post. The limiting groove extends along the rotation direction of the second air diffuser plate, and the limiting post and the limiting groove are slidably connected.

[0018] In one embodiment, the assembly distance between the first rotating shaft portion connected to the first driver and the corresponding first shaft hole portion is 1 to 5 mm.

[0019] In one embodiment, the indoor unit of the air conditioner further includes a pivot structure disposed between the connecting rod and the louver, the pivot structure including a convex shaft portion and a groove portion for rotatable mounting;

[0020] One of the convex shaft portion and the groove portion is provided on the connecting rod, and the other is provided on the louver.

[0021] In one embodiment, the connecting rod has the groove portion, and the connecting rod has a slot adjacent to the groove portion that communicates with the groove portion.

[0022] In one embodiment, the air vent is arranged in a grid shape or in a perforated shape.

[0023] In one embodiment, the air diffuser includes a plurality of grille strips forming the air diffuser opening, wherein:

[0024] The plurality of grille bars are arranged at an inclination relative to the surface of the air diffuser; or,

[0025] The plurality of grille bars are bent in the same direction relative to the surface of the air diffuser; or,

[0026] The plurality of grid bars includes a plurality of first grid bars and a plurality of second grid bars arranged in a cross pattern.

[0027] In one embodiment, the air diffuser includes a frame-shaped body and a plurality of baffles distributed in a region within the frame of the frame-shaped body, wherein the air diffuser is defined between every two adjacent baffles.

[0028] In one embodiment, the plurality of the baffles are connected as one unit by a plurality of connecting arms.

[0029] In one embodiment, the friction ribs are arranged in a spherical shape.

[0030] In one embodiment, the air diffuser is arranged in a spiral shape on the surface of the air diffuser plate.

[0031] In one embodiment, the housing has an air outlet channel communicating with the air outlet, and the first diffuser plate, the second diffuser plate and the louver are housed in the air outlet channel and are disposed adjacent to the air outlet;

[0032] The indoor unit of the air conditioner also includes a door, which is movably installed on the housing to open and close the air outlet.

[0033] In one embodiment, the indoor unit of the air conditioner is a floor-standing indoor unit.

[0034] In one embodiment, the air outlet extends vertically, the first air diffuser is elongated and covers the air outlet, and multiple second air diffusers are provided, which are adapted to be arranged at intervals along the vertical direction of the first air diffuser.

[0035] In one embodiment, two air outlets are arranged at intervals along the circumference of the housing, and the first air diffuser and the second air diffuser are each provided with two air outlets corresponding to the two air outlets.

[0036] Furthermore, to achieve the above objectives, the present invention also proposes an air conditioner, including an indoor unit, wherein the indoor unit comprises:

[0037] The casing has an air outlet;

[0038] Two air diffusers are provided, each with an air diffuser opening. One of the two air diffusers is a first air diffuser, and the other is a second air diffuser. The first air diffuser is located at the air outlet, and the second air diffuser has a rotation axis arranged along the length direction of the first air diffuser. The second air diffuser is rotated relative to the first air diffuser around the rotation axis, so that the overlapping area of ​​the projection of the air diffuser openings of the two air diffusers along the air outlet direction is variable.

[0039] In one embodiment, the indoor unit of the air conditioner further includes louvers and a connecting rod. One end of the louvers is movably connected to the second air diffuser, and the other end is movably connected to the connecting rod, so that the louvers can be moved by moving the connecting rod.

[0040] In the technical solution provided by the present invention, the relative position between the second air diffuser and the first air diffuser continuously changes during the rotation process, so that the overlapping area of ​​the projection of the second air diffuser and the first air diffuser along the air outlet direction continuously changes, thereby changing the air distribution form of the indoor unit of the air conditioner and optimizing the air supply effect and visual effect. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0042] Figure 1 This is a perspective view of an embodiment of an air conditioner indoor unit provided by the present invention;

[0043] Figure 2 for Figure 1 A top view of the indoor unit of a central air conditioner;

[0044] Figure 3 for Figure 2 Schematic diagram of the cross section at point AA;

[0045] Figure 4 for Figure 3 Enlarged structural diagram at point B;

[0046] Figure 5 for Figure 3 Enlarged structural diagram at point C;

[0047] Figure 6 for Figure 1 A partial top view of the indoor unit of the central air conditioner;

[0048] Figure 7 for Figure 6Enlarged structural diagram at point D;

[0049] Figure 8 for Figure 1 A three-dimensional schematic diagram of a partial structure of an indoor unit of a central air conditioner;

[0050] Figure 9 for Figure 8 Enlarged structural diagram at point E;

[0051] Figure 10 for Figure 1 Exploded view of a partial structure of an indoor unit of a central air conditioner;

[0052] Figure 11 for Figure 1 Schematic diagram of the structure of the first air diffuser plate;

[0053] Figure 12 for Figure 11 Enlarged structural diagram at point F;

[0054] Figure 13 for Figure 1 Schematic diagram of the structure of the second air diffuser plate;

[0055] Figure 14 for Figure 1 A partial schematic diagram of the first embodiment of the central air venting plate;

[0056] Figure 15 for Figure 1 A partial schematic diagram of the second embodiment of the central air diffuser;

[0057] Figure 16 for Figure 1 A partial schematic diagram of the third embodiment of the air venting plate;

[0058] Figure 17 for Figure 1 A partial schematic diagram of the fourth embodiment of the air diffuser plate;

[0059] Figure 18 for Figure 1 A partial schematic diagram of the fifth embodiment of the air venting plate;

[0060] Figure 19 for Figure 1 A partial schematic diagram of the sixth embodiment of the air diffuser.

[0061] Explanation of icon numbers:

[0062] label name label name 100 air conditioner indoor unit 121 Second ventilation opening 101 case 122 Second pivot section 102 Air outlet 123 Limiting post 103 air vent 130 link 104 First shaft hole 131 Groove 105 Door 132 Grooving 110 First air diffuser 140 Hundred-leaf 111 First ventilation opening 141 convex shaft portion 112 First rotating section 142 Connecting shaft 113 Second shaft hole 151 First driver 114 Grille strips 152 Second drive 115 frame body 153 Third drive 116 spoilers 200 Windmill 117 Connecting arm 300 Evaporator 120 Second air diffuser

[0063] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0064] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0065] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0066] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0067] Traditional air conditioners typically use directional airflow or vertical / horizontal airflow, resulting in harsh, direct cold air that can cause discomfort to users.

[0068] To address these issues, existing air conditioners typically incorporate a diffuser structure at the air outlet to soften the airflow. However, the existing diffuser structures offer only a single, limited airflow pattern, failing to provide variation in airflow and exhibiting a rather monotonous visual appearance.

[0069] In view of the above, the present invention provides an air conditioner, the air conditioner including an indoor unit, wherein the indoor unit includes a wall-mounted indoor unit, a ceiling-mounted indoor unit, or a floor-standing indoor unit. For ease of understanding, the following embodiments will use a floor-standing indoor unit as an example for illustration. Please refer to... Figures 1 to 19 The attached figure shows a specific embodiment of the air conditioner indoor unit 100 provided by the present invention.

[0070] Please see Figure 6 and Figure 9The present invention provides an air conditioner indoor unit 100 including a housing 101 and two air diffusers. The housing 101 has an air outlet 103. Both air diffusers are provided with air outlets. One of the two air diffusers is a first air diffuser 110 and the other is a second air diffuser 120. The first air diffuser 110 is disposed at the air outlet 103. The second air diffuser 120 has a rotation axis disposed along the length direction of the first air diffuser 110. The second air diffuser 120 rotates relative to the first air diffuser 110 around the rotation axis so that the overlapping area of ​​the projection of the air outlets of the two air diffusers along the air outlet direction is variably configured.

[0071] In the technical solution provided by the present invention, the relative position between the second air diffuser plate 120 and the first air diffuser plate 110 changes continuously during the rotation process, so that the overlapping area of ​​the projection of the second air diffuser 121 and the first air diffuser 111 along the air outlet direction changes continuously, thereby changing the air diffusion form of the air conditioner indoor unit 100 and optimizing the air supply effect and visual effect.

[0072] Please see Figures 1 to 2 An air conditioner indoor unit 100 generally has a housing 101, an air outlet 102 is formed inside the housing 101, and an air outlet 103 is provided on the outer wall of the housing 101 to connect to the air outlet 102 so that airflow can flow out from the air outlet 102 through the air outlet 103.

[0073] In one embodiment, the air outlet 103 extends vertically, and the first air diffuser 110 is arranged in a longitudinally elongated shape covering the air outlet 103; multiple second air diffusers 120 are provided, and the multiple second air diffusers 120 are arranged at intervals in the vertical direction and are adapted to the first air diffuser 110.

[0074] The specific form of the air outlet 103 is not limited in this design. Specifically, the air outlet 103 can be located on the side, top, or bottom of the housing 101; the shape of the air outlet 103 can be longitudinally elongated, elliptical, or similar. The longitudinally elongated shape allows for efficient use of the housing surface of the indoor unit 100, helping to expand the air supply area. Furthermore, to increase the airflow, the first air diffuser 110 is configured to cover the air outlet 103; and multiple second air diffusers 120 are spaced apart on the first air diffuser 110. Adjacent second air diffusers 120 can be adjacent or spaced apart. The shape of the first air diffuser 110 is adapted to the shape of the second air diffusers 120. Specifically, the width of the second air diffuser 120 can be matched with the width of the first air diffuser 110, ensuring that the entire surface of the second air diffuser 120 is opposite to the first air diffuser 110 during rotation.

[0075] The number of air outlets 103 is not limited; it can be one, or at least two arranged at intervals along the vertical direction or the circumference of the housing 101. Based on this, in one embodiment, the first diffuser plate 110 and the second diffuser plate 120 are provided with two for each of the two air outlets 103. The structures of the first diffuser plate 110 and the second diffuser plate 120 for each air outlet 103 are independent, and the driving device can be configured as one for both air outlets 103, or two for each air outlet 103.

[0076] The indoor unit 100 of an air conditioner generally also includes a fan wheel 200 and an evaporator 300. The evaporator 300 is located on the air inlet side of the casing 101, and the fan wheel 200 is located in the air outlet duct 102 to direct the airflow towards the air outlet 103. The specific form of the fan wheel 200 is not limited; it can be an axial flow fan wheel 200 or a dual cross-flow fan wheel 200, etc.

[0077] Furthermore, in one embodiment, the air conditioner indoor unit 100 further includes louvers 140 and a connecting rod 130. One end of the louvers 140 is movably connected to the second air diffuser 120, and the other end is movably connected to the connecting rod 130, so that the louvers 140 can be moved by moving the connecting rod 130. The movement of the connecting rod 130 can drive the louvers 140 to rotate, thereby changing the direction of the airflow blowing towards the second air diffuser 120, which helps to further enrich the air diffusion patterns of the air conditioner indoor unit 100.

[0078] Please see Figure 8 and Figure 9 Two diffuser plates are stacked in the air outlet channel 102 along the air outlet direction, with the first diffuser plate 110 positioned closer to the air outlet 103 than the second diffuser plate 120. The first diffuser plate 110 is designed to fit the shape and size of the air outlet 103, so that during operation, the airflow output through the air outlet 103 can be softened by the action of the two diffuser plates. The second diffuser plate 120 has a rotation axis arranged along the length of the first diffuser plate 110, allowing the second diffuser plate 120 to rotate approximately parallel to the first diffuser plate 110, providing a larger bearing area for airflow passage and thus softening more airflow.

[0079] It is understood that the specific shape and size of the second air diffuser 120 are not limited, and multiple second air diffusers 120 can be arranged on the plane where the first air diffuser 110 is located; or in order to increase the area of ​​the second air diffuser 120 facing the first air diffuser 110, the second air diffuser 120 is set to have the same shape and size as the first air diffuser 110.

[0080] For distinction, in the following embodiments, the air outlet of the first air diffuser 110 is designated as the first air diffuser 111, and the air outlet of the second air diffuser 120 is designated as the second air diffuser 121. Both the first air diffuser 111 and the second air diffuser 121 can be a single air diffuser or a collection of multiple air diffusers. During the operation of the indoor unit 100 of the air conditioner, the second air diffuser 120 rotates relative to the first air diffuser 110, causing the overlapping area of ​​their air diffusers to continuously change. This ensures that the ventilation volume and ventilation pattern through the two air diffusers change in real time, providing a dynamic visual effect that helps to produce a cooling effect both physiologically and psychologically.

[0081] One end of the louver 140 is movably connected to the second air diffuser 120. It can be understood that this end of the louver 140 can be rotatably mounted to the second air diffuser 120 via a connecting shaft 142. The connecting shaft 142 can be disposed on the louver 140, and correspondingly, the second air diffuser 120 forms a groove structure that mates with the connecting shaft 142; alternatively, the connecting shaft 142 can also be disposed on the second air diffuser 120, and correspondingly, the louver 140 forms a groove structure that mates with the connecting shaft 142. The louver 140 can be disposed between the first air diffuser 110 and the second air diffuser 120, or the louver 140 can protrude from the side of the second air diffuser 120 opposite to the first air diffuser 110. This allows for better air dispersion and a more pronounced dynamic visual effect when the first air diffuser 110 and the second air diffuser 120 are disposed adjacently, by changing their relative positions.

[0082] The shape of the louver 140 is not limited, but in order to achieve the air guiding function, the louver 140 is generally plate-shaped, and the louver 140 has a first side connected to the second air diffuser 120 and a second side arranged opposite to the first side. The second side of the louver 140 is arc-shaped, and the louver 140 is gradually thinned in thickness from the first side to the second side to reduce wind resistance.

[0083] Please see Figures 8 to 9 Multiple louvers 140 can be arranged at intervals along the length of the first air diffuser 110. The rotation direction and angle of each louver 140 can be set the same or at least partially different to achieve independent movement of multiple louvers 140.

[0084] Link 130 connects multiple louvers 140, enabling the multiple louvers 140 to rotate synchronously. The specific configuration of link 130 is not limited. For example, it can be configured as a rod-shaped structure that can extend and retract along the length direction of the first air diffuser 110, or as other structures that can also play a linkage role, such as multiple gears that mesh sequentially along the length direction of the first air diffuser 110.

[0085] To achieve intelligent operation of the air conditioner indoor unit 100, please refer to [link / reference needed]. Figures 3 to 5 , Figure 10 In one embodiment, the indoor unit 100 of the air conditioner further includes a driving device, which is used to drive the first air diffuser 110, the second air diffuser 120 and the connecting rod 130 to move respectively, so as to realize the separate and independent driving of the first air diffuser 110, the second air diffuser 120 and the connecting rod 130.

[0086] Next, in one embodiment, the first diffuser plate 110 is rotatably mounted on the housing 101 to open and close the air outlet 103. The rotation axis of the first diffuser plate 110 can be set along the length direction, the width direction, or any direction on the surface of the first diffuser plate 110, depending on actual needs. To improve the aesthetics of the air outlet 103 of the indoor unit 100, in the following embodiments, the rotation axis of the first diffuser plate 110 is set along its length, and the rotation axis of the second diffuser plate 120 is approximately parallel to the rotation axis of the first diffuser plate 110, so that the second diffuser plate 120 and the first diffuser plate 110 have a larger facing area, thereby helping to expand the air outlet range and optimize the air outlet effect.

[0087] Please see Figures 3 to 5 , Figure 10 and Figure 12 In one embodiment, the driving device includes a first driver 151 for driving the first air diffuser 110 to rotate; two first rotating shaft portions 112 are respectively protruding from opposite ends of the first air diffuser 110, and the housing 101 is correspondingly provided with two first shaft hole portions 104 that are rotatably fitted with the two first rotating shaft portions 112, wherein the first driver 151 drives and connects to one of the first rotating shaft portions 112. Specifically, the first driver 151 can be configured as a motor or a rotary cylinder, etc., and has a rotating output shaft. Two first connecting plates can be protruding from opposite ends of the first air diffuser 110, and the first rotating shaft portions 112 are respectively protruding from the two first connecting plates and rotatably disposed relative to the first shaft hole portions 104; a mounting hole is provided in the middle of the first rotating shaft portion 112, and the mounting hole is connected to the rotating output shaft of the first driver 151. Of course, if the first rotating shaft portion 112 is disposed on the housing 101 and the first shaft hole portion 104 is disposed on the first connecting plate, the purpose of driving the first air diffuser plate 110 to rotate through the first driver 151 can also be achieved, which will not be elaborated here.

[0088] Further, the driving device includes a second driver 152 for driving the second diffuser plate 120 to rotate; two second rotating shaft portions 122 are respectively protruding from opposite ends of the second diffuser plate 120, and the first diffuser plate 110 is correspondingly recessed with two second shaft holes 113 that are rotatably fitted with the two second rotating shaft portions 122, wherein the second driver 152 drives and connects to one of the second rotating shaft portions 122. Similarly, the second driver 152 can also be configured as a motor or a rotary cylinder, etc. Two second connecting plates can be protruding from opposite ends of the second diffuser plate 120, and the second rotating shaft portions 122 are respectively protruding from the two second connecting plates and rotatably disposed relative to the second shaft holes 113; a mounting hole is provided in the middle of the second rotating shaft portion 122, and the mounting hole is connected to the rotation output shaft of the second driver 152. The second rotating shaft portion 122 is directly disposed on the first connecting plate, so that the second diffuser plate 120 is rotatably mounted on the first diffuser plate 110. Of course, if the second rotating shaft portion 122 is disposed on the first air diffuser plate 110 and the second shaft hole portion 113 is disposed on the second connecting plate, the purpose of driving the second air diffuser plate 120 to rotate through the second driver 152 can also be achieved, which will not be elaborated here.

[0089] In addition, the first driver 151 and the second driver 152 can be respectively disposed at opposite ends of the two air diffusers along the length direction, which is beneficial to reasonably allocate the space occupied in the housing 101 and can balance the strength influence of opposite ends of the two air diffusers, avoiding the problem that the size and strength requirements of that end are large when the first driver 151 and the second driver 152 are both disposed at the same end of the two air diffusers.

[0090] Further, please refer to Figure 11 and Figure 13 In one embodiment, a limiting post 123 protrudes from the side of the second air diffuser 120, and a limiting groove is provided on the housing 101 corresponding to the limiting post 123. The limiting groove extends along the rotation direction of the second air diffuser 120, and the limiting post 123 is slidably connected to the limiting groove. The limiting post 123 can be a single post or multiple posts spaced apart along the length of the second air diffuser 120. When multiple posts 123 are provided, multiple limiting grooves are provided corresponding to the multiple posts 123. The provision of the limiting post 123 and the limiting groove helps to improve the stability of the second air diffuser 120 during rotation.

[0091] In the above-described manner, the first air diffuser 110 can be mounted and fixed on the housing 101 through the mounting fit between the first rotating shaft portion 112 and the first shaft hole portion 104; alternatively, the first driver 151 can be fixedly mounted to the housing 101, and the first air diffuser 110 can be mounted and fixed on the housing 101 through the connection fit between the first rotating shaft portion 112 and the rotating output shaft. In this case, the assembly distance between the first rotating shaft portion 112 connected to the first driver 151 and the corresponding first shaft hole portion 104 is 1 to 5 mm. It is understood that if the assembly distance is large, it is easy to cause instability in the installation between the first rotating shaft portion 112 and the first shaft hole portion 104; conversely, if the assembly distance is small, the frictional damping between the first rotating shaft portion 112 and the first shaft hole portion 104 will increase. Therefore, in order to obtain a better installation effect, in this embodiment, the assembly distance is set to 1 to 5 mm.

[0092] In addition, please see Figures 8 to 9 In one embodiment, the indoor unit 100 of the air conditioner further includes a pivot structure disposed between the connecting rod 130 and the louver 140. The pivot structure includes a convex shaft portion 141 and a recessed portion 131 for rotatable mounting. One of the convex shaft portion 141 and the recessed portion 131 is disposed on the connecting rod 130, and the other is disposed on the louver 140. The convex shaft portion 141 and the recessed portion 131 enable the louver 140 to be positioned relative to the connecting rod 130 and provide sufficient freedom for the louver 140 to rotate.

[0093] Please see Figure 9 In one embodiment, the connecting rod 130 is provided with the recessed portion 131, and the connecting rod 130 is provided with a slot 132 adjacent to the recessed portion 131, communicating with the recessed portion 131. At least two slots 132 are provided, and the two slots 132 are respectively located on opposite sides of the recessed portion 131, so that when the convex shaft portion 141 is inserted into the recessed portion 131, the area on the connecting rod 130 located on the periphery of the recessed portion 131 can undergo a certain deformation, which helps to stabilize the installation between the convex shaft portion 141 and the recessed portion 131.

[0094] Furthermore, in one embodiment, both the first air diffuser 110 and the second air diffuser 120 are arc-shaped. That is, the surfaces of the first air diffuser 110 and the second air diffuser 120 are arc-shaped, which increases the surface area of ​​the first air diffuser 110 and the second air diffuser 120 within the limited air outlet 103, thereby increasing the air dispersion area and helping to optimize the air dispersion effect.

[0095] Furthermore, in one embodiment, the rotation axis of the first diffuser plate 110 and the rotation axis of the second diffuser plate 120 are collinear, and both the first diffuser plate 110 and the second diffuser plate 120 are arranged in a concentric arc shape. This arrangement ensures that the first diffuser plate 110 and the second diffuser plate 120 rotate coaxially, keeping the distance between them stable. This facilitates adjustment of the airflow volume and direction, and also makes it easier to install and fix the second diffuser plate 120.

[0096] Based on the above, taking the first air diffuser 110 as an example, the surface of the first air diffuser 110 can protrude into the air outlet 102 or protrude outward from the air outlet 103. Figure 6 and Figure 7 As shown, the surface of the first diffuser plate 110 protrudes outward toward the air outlet 103, and the opposite sides of the first diffuser plate 110 are roughly flush with the edge of the air outlet 103, which contributes to the aesthetics of the overall structure. Based on the above features, the inner wall of the air outlet channel 102 can be further configured to be an arc shape that matches the surface of the first diffuser plate 110, so that when the first diffuser plate 110 is rotated to the inner wall of the air outlet channel 102 near the side of the air outlet 103 to open the air outlet 103, the surface of the first diffuser plate 110 fits more closely with the inner wall of the air outlet channel 102.

[0097] Furthermore, the indoor unit 100 of the air conditioner also includes a door 105, which is rotatably mounted on the housing 101 to open and close the air outlet 103. Based on this, the indoor unit 100 also includes a control device, which is electrically connected to the door 105 and the first actuator 151. When the control device controls the door 105 to open and the first diffuser 110 to open, the indoor unit 100 of the air conditioner is in normal air outlet mode; when the control device controls the door 105 to open and the first diffuser 110 to close, the indoor unit 100 of the air conditioner is in windless mode; when the control device controls the door 105 to close the air outlet 103...

[0098] On two diffuser panels, the specific form of the air vents can vary. It's understandable that different shapes and sizes of the vents can alter the airflow volume and effect, thus enriching the types of air dispersion. Some examples are listed below:

[0099] In one embodiment, the air vent is arranged in a grid shape or in a perforated shape.

[0100] Furthermore, the air diffuser includes a plurality of grille bars 114 forming the air diffuser opening, wherein: the plurality of grille bars 114 are inclined in the same direction relative to the surface of the air diffuser; or, the plurality of grille bars 114 are bent in the same direction relative to the surface of the air diffuser; or, the plurality of grille bars 114 include a plurality of first grille bars and a plurality of second grille bars arranged in a cross configuration.

[0101] For ease of understanding, the following explanation will use the first air diffuser 110 as an example. The setting of the second air diffuser 120 can be referenced to the first air diffuser 110, and will not be repeated here. It should be noted that the first air diffuser 111 and the second air diffuser 121 can be set to be the same or different.

[0102] Specifically, please refer to Figure 14 In one embodiment, a plurality of grille strips 114 on the first air diffuser 110 are inclined in the same direction relative to the surface of the first air diffuser 110. The specific inclination direction and angle can be set according to actual needs. A first air diffuser opening 111 is defined between every two adjacent grille strips 114. The inclined grille strips 114 can strengthen the connection strength between the two sides of the first air diffuser 110 while forming the first air diffuser opening 111, which is equivalent to a reinforcing rib and ensures the structural strength of the first air diffuser 110.

[0103] Please refer to the following: Figure 15 In one embodiment, a plurality of grille bars 114 are bent in the same direction relative to the surface of the first air diffuser 110; a first air diffuser 111 is defined between every two adjacent grille bars 114. The grille bars 114 may be formed by one or more bends, and the bending trend of all grille bars 114 is approximately the same.

[0104] Then please see Figure 16 In one embodiment, the plurality of grille strips 114 include a plurality of first grille strips and a plurality of second grille strips arranged in a cross configuration, which together define a plurality of dispersed air diffusers. The plurality of first and second grille strips increases the density of the multiple air diffusers and further enhances the structural strength of the air diffuser plate. The specific cross configuration of the plurality of first and second grille strips can be varied; they can be arranged in a cross shape or spliced ​​together to form a spoke-like shape.

[0105] Please see Figure 17In one embodiment, the air diffuser is configured as a perforated structure that penetrates the thickness of the air diffuser plate, i.e., an air diffuser hole. Multiple air diffusers are distributed on the surface of the air diffuser plate. The specific shape and size of each air diffuser hole are not limited; they can be circular or square. The dimensions of multiple air diffusers on the same air diffuser plate can be the same or at least partially different. Along a certain dimension line of the air diffuser plate, the dimensions of multiple air diffusers are gradually changed to create different airflow rates at different locations.

[0106] In addition, please see Figure 18 In one embodiment, the diffuser includes a frame-shaped body 115 and a plurality of baffles 116 dispersedly arranged within the frame area of ​​the frame-shaped body 115, with each pair of adjacent baffles 116 defining a diffuser opening. The dispersed arrangement of the plurality of baffles 116 within the frame area helps to disperse the airflow blowing towards the baffles 116 to the periphery of the baffles 116, forming multiple airflows that do not interfere with each other.

[0107] The specific form of the spoiler ribs 116 is not limited; for example, they can be spherical, hemispherical, conical, frustum-shaped, etc. Taking the spherical shape as an example, the outer surface of the spoiler ribs 116 is arc-shaped, which helps to guide the airflow smoothly and reduce wind loss. At this time, the airflow passing through multiple spoiler ribs 116 forms a Karman vortex street effect, which can be quickly dispersed and blown out.

[0108] Furthermore, two adjacent baffles 116 are connected as one unit by a connecting arm 117, which not only fixes the baffles 116 relative to the frame body 115, but also forms a mesh structure, which enhances the overall strength of the diffuser plate and plays a certain role in filtering impurities.

[0109] Next, please refer to Figure 19 In one embodiment, the air diffuser is arranged in a spiral shape on the surface of the air diffuser plate. The specific spiral direction can be adjusted according to actual needs. For example, when the air diffuser plate is longitudinally elongated, the air diffuser can extend spirally along the length of the air diffuser plate.

[0110] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. An indoor unit for an air conditioner, characterized in that, include: The casing has an air outlet; Two air diffusers are provided, each with an air diffuser opening. One of the two air diffusers is a first air diffuser, and the other is a second air diffuser. The first air diffuser is located at the air outlet, and the second air diffuser has a rotation axis set along the length direction of the first air diffuser. The second air diffuser is rotated relative to the first air diffuser around the rotation axis, so that the overlapping area of ​​the projection of the air diffuser openings of the two air diffusers along the air outlet direction is variable. The first air diffuser is rotatably mounted on the housing so as to open the air outlet and close the air outlet. The second air diffuser is rotatably mounted on the first air diffuser.

2. The air conditioner indoor unit as described in claim 1, characterized in that, The indoor unit of the air conditioner also includes louvers and a connecting rod. One end of the louvers is movably connected to the second air diffuser, and the other end is movably connected to the connecting rod, so that the louvers can be moved by moving the connecting rod.

3. The air conditioner indoor unit as described in claim 1, characterized in that, Both the first and second air diffusers are arranged in an arc shape.

4. The air conditioner indoor unit as described in claim 3, characterized in that, The rotation axis of the first air diffuser and the rotation axis of the second air diffuser are collinear, and both the first air diffuser and the second air diffuser are arranged in a concentric arc shape.

5. The air conditioner indoor unit as described in claim 2, characterized in that, The indoor unit of the air conditioner also includes a drive device, which is used to drive the first air diffuser, the second air diffuser and the connecting rod to move respectively.

6. The air conditioner indoor unit as described in claim 5, characterized in that, The driving device includes a first driver for driving the first air diffuser to rotate; Two first rotating shaft portions are respectively protruded at opposite ends of the first air diffuser plate. The housing is provided with two first shaft holes that are rotatably fitted with the two first rotating shaft portions. The first driver drives and connects to one of the first rotating shaft portions.

7. The air conditioner indoor unit as described in claim 6, characterized in that, The driving device includes a second driver for driving the second air diffuser to rotate; The two ends of the second air diffuser plate are respectively provided to form two second rotating shaft portions. The first air diffuser plate is correspondingly provided with two second shaft holes that are rotatably installed and fitted with the two second rotating shaft portions. The second driver is connected to one of the second rotating shaft portions.

8. The air conditioner indoor unit as described in claim 7, characterized in that, The second air diffuser has a protruding limiting post on its side, and the housing has a limiting groove corresponding to the limiting post. The limiting groove extends along the rotation direction of the second air diffuser, and the limiting post and the limiting groove are slidably connected.

9. The air conditioner indoor unit as described in claim 6, characterized in that, The assembly distance between the first rotating shaft part connected to the first driver and the corresponding first shaft hole part is 1~5mm.

10. The air conditioner indoor unit as described in claim 2, characterized in that, The indoor unit of the air conditioner also includes a pivot structure disposed between the connecting rod and the louver, the pivot structure including a convex shaft portion and a groove portion for rotatable installation; One of the convex shaft portion and the groove portion is provided on the connecting rod, and the other is provided on the louver.

11. The air conditioner indoor unit as described in claim 10, characterized in that, The connecting rod is provided with the groove portion, and the connecting rod is provided with a slot (132) adjacent to the groove portion that communicates with the groove portion.

12. The air conditioning indoor unit as described in any one of claims 1 to 11, characterized in that, The air vents are arranged in a grid shape or in a perforated shape.

13. The air conditioner indoor unit as described in claim 12, characterized in that, The air diffuser includes a plurality of grille strips forming the air diffuser opening, wherein: The plurality of grille bars are arranged at an inclination relative to the surface of the air diffuser; or, The plurality of grille bars are bent in the same direction relative to the surface of the air diffuser; or, The plurality of grid bars includes a plurality of first grid bars and a plurality of second grid bars arranged in a cross pattern.

14. The air conditioning indoor unit as described in any one of claims 1 to 11, characterized in that, The air diffuser includes a frame-shaped body and a plurality of turbulence ribs distributed in the frame area of ​​the frame-shaped body, with each pair of adjacent turbulence ribs defining the air diffuser opening.

15. The air conditioner indoor unit as described in claim 14, characterized in that, The multiple baffles are connected as one unit by multiple connecting arms.

16. The air conditioner indoor unit as described in claim 15, characterized in that, The turbulence ribs are arranged in a spherical shape.

17. The air conditioning indoor unit as described in any one of claims 1 to 11, characterized in that, The air diffusers are arranged in a spiral pattern on the surface of the air diffuser plate.

18. The indoor unit of the air conditioner as described in claim 2, characterized in that, The housing has an air outlet channel that connects to the air outlet. The first air diffuser, the second air diffuser, and the louvers are housed in the air outlet channel and are disposed adjacent to the air outlet. The indoor unit of the air conditioner also includes a door, which is movably installed on the housing to open and close the air outlet.

19. The indoor unit of the air conditioner as described in claim 1 or 2, characterized in that, The indoor unit of the air conditioner is a floor-standing indoor unit.

20. The air conditioner indoor unit as described in claim 19, characterized in that, The air outlet extends vertically, the first air diffuser is elongated and covers the air outlet, and there are multiple second air diffusers, which are adapted to be arranged at intervals along the vertical direction of the first air diffuser.

21. The air conditioner indoor unit as described in claim 20, characterized in that, Two air outlets are arranged at intervals along the circumference of the housing, and the first air diffuser and the second air diffuser are each provided with two air outlets corresponding to the two air outlets.

22. An air conditioner, characterized in that, Including the air conditioning indoor unit as described in any one of claims 1 to 21.

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