Air supply structure and air conditioner indoor unit

Abstract

The present invention provides an air supply structure and an indoor unit of an air conditioner, the air supply structure comprising: an air duct housing, the air duct housing having a first air duct, a second air duct and a third air duct, the second air duct and the third air duct are both connected to the first air duct; a fan, at least part of which is installed in the first air duct to drive the outside air to flow into the first air duct under the action of the fan; a wind shield, the wind shield is arranged inside the air duct housing, and the position of the wind shield is adjustable; wherein the wind shield has a first position and a second position, when the wind shield is in the first position, the wind shield separates the second air duct from the first air duct, so that the air flowing into the first air duct is discharged from the third air duct; when the wind shield is in the second position, the wind shield separates the third air duct from the first air duct, so that the air flowing into the first air duct is discharged from the second air duct. The air supply structure of the present invention solves the problem of poor air outlet flexibility of the indoor unit of the air conditioner in the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and in particular to an air supply structure and an indoor unit of an air conditioner. Background Art

[0002] At present, the existing indoor units of air conditioners mostly discharge air through specific air outlets, and adjust the air outlet direction by arranging a rotatable air guide plate at the air outlet.

[0003] However, the air outlet mode of the above-mentioned air outlet structure is fixed, and a suitable air outlet position cannot be selected according to needs, thereby causing poor flexibility of the air outlet of the air conditioner. Summary of the invention

[0004] The main purpose of the present invention is to provide an air supply structure and an air conditioner indoor unit to solve the problem of poor air outlet flexibility of the air conditioner indoor unit in the prior art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided an air supply structure, comprising: an air duct housing, the air duct housing having a first air duct, a second air duct and a third air duct, the second air duct and the third air duct are both connected to the first air duct; a fan, at least a part of the fan is installed in the first air duct, so as to drive the outside air to flow into the first air duct under the action of the fan; a wind shield, the wind shield is arranged inside the air duct housing, and the position of the wind shield is adjustable; wherein the wind shield has a first position and a second position, when the wind shield is in the first position, the wind shield separates the second air duct from the first air duct, so that the air flowing into the first air duct is discharged from the third air duct; when the wind shield is in the second position, the wind shield separates the third air duct from the first air duct, so that the air flowing into the first air duct is discharged from the second air duct.

[0006] Furthermore, the wind shield is slidably arranged relative to the air duct housing, and the air supply structure includes a guide component, so that when the wind shield slides relative to the air duct housing, the wind shield is guided by the guide component.

[0007] Furthermore, the air supply structure also includes a first driving mechanism, which is drivingly connected to the wind shield to drive the wind shield to slide.

[0008] Furthermore, the first driving mechanism includes: a first rack, which is arranged on the wind shield; a first driving motor, whose main body is fixedly arranged on the air duct housing; a first transmission gear, which is installed on the output shaft of the first driving motor, and the first transmission gear cooperates with the first rack so that when the first driving motor drives the first transmission gear to rotate, the first transmission gear drives the first rack and the wind shield to slide.

[0009] Furthermore, the wind shield is an arc-shaped plate, at least a portion of the inner wall of the air duct outer shell is an arc-shaped surface, the second air duct and the third air duct both extend to the arc-shaped surface, the arc-shaped plate is fitted with the arc-shaped surface and the arc-shaped plate is slidably arranged along the arc-shaped surface so that the wind shield slides to the first position or the second position.

[0010] Furthermore, an arc-shaped groove is provided on the air duct housing, and the arc-shaped groove extends to the interior of the air duct housing, so that the wind shielding member can be inserted into or taken out of the air duct housing through the arc-shaped groove.

[0011] Furthermore, a first limiting portion is provided in the arc-shaped groove; a second limiting portion is provided on the wind shield, and the air supply structure also includes a cover plate, which is provided on the arc-shaped groove to cover at least part of the arc-shaped groove; wherein the cover plate is spaced apart from the first limiting portion, and the second limiting portion is located between the first limiting portion and the cover plate, so as to limit the movement of the wind shield along its insertion direction through the first limiting portion and the cover plate.

[0012] Furthermore, the first air duct has a necking section, and the flow cross-sectional size of the necking section gradually decreases along the flow direction of the air.

[0013] Furthermore, the fan includes an air supply motor and air supply blades connected to the output shaft of the air supply motor, so that the air supply blades are driven to rotate by the air supply motor to drive air flow; wherein the air supply blades are mixed flow blades.

[0014] According to another aspect of the present invention, an air-conditioning indoor unit is provided, which includes an air-conditioning shell and an air supply structure, wherein the air supply structure is the above-mentioned air supply structure, and a first air outlet and a second air outlet are provided on the air-conditioning shell, and the first air outlet and the second air outlet are arranged at intervals, and the first air outlet is connected to the second air duct of the air supply structure so that when the wind shielding member of the air supply structure is in the second position, the air passes through the second air duct and is discharged from the first air outlet; the second air outlet is connected to the third air duct of the air supply structure so that when the wind shielding member of the air supply structure is in the first position, the air passes through the third air duct and is discharged from the second air outlet.

[0015] Furthermore, the air conditioner casing includes an upper shell and a lower shell, the upper shell is rotatably arranged relative to the lower shell, and the first air outlet and the second air outlet are both arranged on the upper shell to change the direction of the first air outlet and the second air outlet when the upper shell rotates relative to the lower shell.

[0016] Furthermore, the air conditioner indoor unit includes a bearing, which has a first ring body and a second ring body that can rotate relatively, the first ring body is fixedly connected to the upper shell, and the second ring body is fixedly connected to the lower shell to rotatably connect the upper shell and the lower shell through the bearing.

[0017] Furthermore, the air-conditioning indoor unit has an air inlet, and the air-conditioning indoor unit also includes: a sliding bracket, a first roller and a second roller are provided on the sliding bracket, and the axis of the first roller and the axis of the second roller are set at a predetermined angle; a sliding door, the sliding door is movably arranged on the sliding bracket, and a first slide groove and a second slide groove are provided on the sliding door, the first roller is rollably arranged along the first slide groove, and the second roller is rollably arranged along the second slide groove, so as to guide the movement of the sliding door through the first slide groove and the second slide groove; wherein the sliding door has a closed position and an open position, and when the sliding door is in the closed position, the sliding door blocks the air inlet to prevent outside air from entering the interior of the air-conditioning indoor unit through the air inlet; when the sliding door is in the open position, the sliding door avoids the air inlet to allow outside air to enter the interior of the air-conditioning indoor unit through the air inlet.

[0018] The air supply structure using the technical solution of the present invention includes: an air duct housing, a fan and a wind shield, wherein the air duct housing has a first air duct, a second air duct and a third air duct, and the second air duct and the third air duct are both connected to the first air duct; at least a part of the fan is installed in the first air duct to drive the outside air to flow into the first air duct under the action of the fan; the wind shield is arranged inside the air duct housing, and the position of the wind shield is adjustable; so that the wind shield has a first position and a second position, when the wind shield is in the first position, the wind shield separates the second air duct from the first air duct, so that the air flowing into the first air duct is discharged from the third air duct; when the wind shield is in the second position, the wind shield separates the third air duct from the first air duct, so that the air flowing into the first air duct is discharged from the second air duct. The air supply structure of the present invention is applied to an indoor unit of an air conditioner. The air supply state of the air supply structure can be switched by controlling the position of the wind shield, thereby controlling the air to flow out from the second air duct or the third air duct. The indoor unit of the air conditioner can then be made to discharge air from different positions as needed, thereby improving the flexibility of the air discharge of the indoor unit of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 A schematic diagram of an exploded structure of an embodiment of an air supply structure according to the present invention is shown;

[0021] Figure 2 Shown according to Figure 1 A partially enlarged schematic diagram of an embodiment of the air supply structure;

[0022] Figure 3 A schematic diagram showing a wind shield and a first driving mechanism according to an embodiment of an air supply structure of the present invention;

[0023] Figure 4 A cross-sectional schematic diagram of an air supply structure of an embodiment of an air conditioner indoor unit according to the present invention is shown;

[0024] Figure 5 according to Figure 4 A partial enlarged schematic diagram of the air supply structure of the embodiment of the air conditioner indoor unit;

[0025] Figure 6 A partial enlarged schematic diagram of a sliding bracket and a sliding door of an embodiment of an air conditioner indoor unit according to the present invention is shown;

[0026] Figure 7 A schematic diagram of the external structure of an embodiment of an air conditioner indoor unit according to the present invention is shown;

[0027] Figure 8 A schematic cross-sectional structure diagram of the connection between the upper shell and the lower shell of an embodiment of an air conditioner indoor unit according to the present invention is shown.

[0028] The above drawings include the following reference numerals:

[0029] 1. Air duct housing; 11. First air duct; 12. Second air duct; 13. Third air duct; 14. Arc groove; 15. First limiting part; 16. Driving mechanism mounting cavity; 2. Fan; 21. Air supply motor; 22. Air supply blade; 3. Wind shield; 31. Second limiting part; 4. First driving mechanism; 41. First rack; 42. First driving motor; 43. First transmission gear; 5. Cover plate; 6. Air conditioner housing; 61. Upper shell; 62. Lower shell; 7. First air outlet; 8. Second air outlet; 9. Bearing; 101. Sliding bracket; 102. Sliding door; 103. First roller; 104. Second roller; 105. First slide groove; 106. Second slide groove; 107. Second rack; 108. Second driving motor; 109. Second transmission gear. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] Please refer to Figures 1 to 3The present invention provides an air supply structure, comprising: an air duct housing 1, the air duct housing 1 having a first air duct 11, a second air duct 12 and a third air duct 13, the second air duct 12 and the third air duct 13 are both connected to the first air duct 11; a fan 2, at least a part of the fan 2 is installed in the first air duct 11, so as to drive the external air to flow into the first air duct 11 under the action of the fan 2; a wind shield 3, the wind shield 3 is arranged inside the air duct housing 1, and the position of the wind shield 3 is adjustable; wherein the wind shield 3 has a first position and a second position, when the wind shield 3 is in the first position, the wind shield 3 separates the second air duct 12 from the first air duct 11, so that the air flowing into the first air duct 11 is discharged from the third air duct 13; when the wind shield 3 is in the second position, the wind shield 3 separates the third air duct 13 from the first air duct 11, so that the air flowing into the first air duct 11 is discharged from the second air duct 12.

[0032] The air supply structure of the present invention comprises: an air duct housing 1, a fan 2 and a wind shield 3, wherein the air duct housing 1 has a first air duct 11, a second air duct 12 and a third air duct 13, and the second air duct 12 and the third air duct 13 are both connected to the first air duct 11; at least a part of the fan 2 is installed in the first air duct 11 to drive the external air to flow into the first air duct 11 under the action of the fan 2; the wind shield 3 is arranged inside the air duct housing 1, and the position of the wind shield 3 is adjustable; so that the wind shield 3 has a first position and a second position, when the wind shield 3 is in the first position, the wind shield 3 separates the second air duct 12 from the first air duct 11, so that the air flowing into the first air duct 11 is discharged from the third air duct 13; when the wind shield 3 is in the second position, the wind shield 3 separates the third air duct 13 from the first air duct 11, so that the air flowing into the first air duct 11 is discharged from the second air duct 12. It can be seen that by applying the air supply structure of the present invention to an indoor unit of an air conditioner, the air supply state of the air supply structure can be switched by controlling the position of the wind shield 3, thereby controlling the air to flow out from the second air duct 12 or the third air duct 13, and then the indoor unit of the air conditioner can be made to discharge air from different positions as needed, thereby improving the flexibility of the air outlet of the indoor unit of the air conditioner.

[0033] Specifically, the fan 2 includes an air supply motor 21 and an air supply blade 22 connected to the output shaft of the air supply motor 21, so that the air supply blade 22 is driven to rotate by the air supply motor 21 to drive the air flow, wherein the air supply blade 22 is a mixed flow blade. The use of mixed flow blades in conjunction with the multi-channel structure of the present invention can effectively ensure the air supply pressure and ensure smooth air supply while adjusting the air outlet position.

[0034] According to specific needs, the ports of the second air duct 12 and the third air duct 13 can be arranged in various directions.

[0035] In this embodiment, the port of the second air duct 12 is arranged upward, and the port of the third air duct 13 is arranged downward, so that when the wind shield 3 is in the first position, the air is discharged downward through the third air duct 13, or when the wind shield 3 is in the second position, the air is discharged upward through the second air duct 12. In this way, the upward or downward air discharge of the air supply structure is realized, and the air discharge range is effectively expanded. When it is applied to the indoor unit of the air conditioner, the air discharge mode can be conveniently selected according to the cooling or heating state, thereby improving the cooling or heating effect.

[0036] When the wind shield 3 is specifically arranged, the wind shield 3 is slidably arranged relative to the air duct housing 1, and the air supply structure includes a guide component to guide the wind shield 3 through the guide component when the wind shield 3 slides relative to the air duct housing 1.

[0037] According to actual needs, the guide structure can be a variety of structures that can guide the windshield 3 when it slides, for example, the guide component includes a slide groove and a slider, the slide groove is arranged on the air duct housing 1, and the slider is arranged on the windshield 3. When the windshield 3 slides relative to the air duct housing 1, the slider slides in the slide groove to guide the windshield 3; or the slider is arranged on the air duct housing 1, and the slide groove is arranged on the windshield 3. Of course, the guide structure can also be a structure in which a slide rail cooperates with a slider, a structure in which an optical axis cooperates with a slider, etc.

[0038] In order to conveniently adjust the position of the wind shield 3 , the air supply structure further includes a first driving mechanism 4 , which is drivingly connected to the wind shield 3 to drive the wind shield 3 to slide.

[0039] As a preferred embodiment, the first driving mechanism 4 includes: a first rack 41, the first rack 41 is arranged on the windshield 3; a first driving motor 42, the main part of the first driving motor 42 is fixedly arranged on the air duct housing 1; a first transmission gear 43, the first transmission gear 43 is installed on the output shaft of the first driving motor 42, and the first transmission gear 43 cooperates with the first rack 41, so that when the first driving motor 42 drives the first transmission gear 43 to rotate, the first transmission gear 43 drives the first rack 41 and the windshield 3 to slide. Through the driving mode of the motor, gear and rack, the shape of the rack can be flexibly set according to the movement trajectory of the windshield 3, so as to achieve effective driving of the movement of the windshield 3.

[0040] Of course, other mechanisms that can drive the wind shield 3 to slide along the guide structure are also possible, such as a cylinder structure, an oil cylinder structure, an electric push rod structure, etc.

[0041] In order to ensure the windshield effect of the windshield 3, the windshield 3 is a curved plate, at least part of the inner wall of the air duct housing 1 is a curved surface, the second air duct 12 and the third air duct 13 both extend to the curved surface, the curved plate fits the curved surface and the curved plate is slidably arranged along the curved surface, so that the windshield 3 slides to the first position or the second position. The structural design of the curved plate can make the windshield 3 fit better with the inner wall of the air duct housing 1, which is conducive to improving the windshield effect of the windshield 3.

[0042] In order to facilitate the installation of the wind shield 3 , an arc groove 14 is provided on the air duct housing 1 . The arc groove 14 extends to the inside of the air duct housing 1 , so that the wind shield 3 can be inserted into or taken out of the air duct housing 1 through the arc groove 14 .

[0043] In specific implementation, the air duct housing 1 is provided with a drive mechanism installation cavity 16, which is communicated with the arc groove 14, and the first drive motor 42 and the first transmission gear 43 are both installed in the drive mechanism installation cavity 16. In this way, the first drive mechanism 4 can be installed in a hidden manner, making the air supply structure more concise, and is conducive to the protection of the first drive mechanism 4, and improving the stability of the air supply structure.

[0044] After the wind shield 3 is inserted into the air duct housing 1 through the arc groove 14, in order to achieve the positioning of the wind shield 3 and prevent the wind shield 3 from moving along the insertion direction, the present invention adopts the following structural design: a first limiting portion 15 is provided in the arc groove 14; and a second limiting portion 31 is provided on the wind shield 3, and the air supply structure also includes a cover plate 5, which is provided on the arc groove 14 to cover at least part of the arc groove 14; wherein the cover plate 5 is spaced apart from the first limiting portion 15, and the second limiting portion 31 is located between the first limiting portion 15 and the cover plate 5, so as to limit the movement of the wind shield 3 along the insertion direction through the first limiting portion 15 and the cover plate 5.

[0045] Furthermore, the first air duct 11 has a necking section, and the flow cross-sectional size of the necking section gradually decreases along the air flow direction. The first air duct 11 is set as a necking structure, so that the inlet of the first air duct 11 is wider and the outlet is narrower. While ensuring the air intake of the first air duct 11, the air outlet speed of the first air duct 11 can be effectively increased, which is conducive to improving the air supply effect of the air supply structure.

[0046] Preferably, in order to ensure smooth flow of the airflow, the inner wall of the necking section is a part of a conical surface.

[0047] Please refer to Figures 4 to 8The present invention also provides an air conditioner indoor unit, which includes an air conditioner housing 6 and an air supply structure, wherein the air supply structure is the above-mentioned air supply structure, and the air conditioner housing 6 is provided with a first air port 7 and a second air port 8, the first air port 7 and the second air port 8 are arranged at intervals, the first air port 7 is connected with the second air duct 12 of the air supply structure, so that when the wind shield 3 of the air supply structure is in the second position, the air is discharged from the first air port 7 after passing through the second air duct 12; the second air port 8 is connected with the third air duct 13 of the air supply structure, so that when the wind shield 3 of the air supply structure is in the first position, the air is discharged from the second air port 8 after passing through the third air duct 13. In this way, the air conditioner indoor unit can be made to discharge air from the first air port 7 or the second air port 8 as needed, so that the air outlet position can be controlled, and the use of the air conditioner indoor unit is more flexible.

[0048] On the basis of the controllable air outlet position, in order to further improve the air supply range, the air conditioner housing 6 includes an upper housing 61 and a lower housing 62, the upper housing 61 is rotatably arranged relative to the lower housing 62, and the first air outlet 7 and the second air outlet 8 are both arranged on the upper housing 61, so as to change the direction of the first air outlet 7 and the second air outlet 8 when the upper housing 61 rotates relative to the lower housing 62. In this way, the direction of the first air outlet 7 and the second air outlet 8 can be changed by rotating the upper housing 61, thereby expanding the air supply range of the air conditioner indoor unit.

[0049] The first air outlet 7 and the second air outlet 8 are both arranged in the horizontal direction, and the upper shell 61 is rotatably arranged around the vertical axis, so that when the upper shell 61 rotates around the vertical axis, air is supplied to the surroundings of the air conditioner indoor unit through the first air outlet 7 or the second air outlet 8.

[0050] In order to ensure smooth rotation between the upper shell 61 and the lower shell 62, the air conditioner indoor unit includes a bearing 9, which has a first ring body and a second ring body that can rotate relative to each other. The first ring body is fixedly connected to the upper shell 61, and the second ring body is fixedly connected to the lower shell 62 so that the upper shell 61 and the lower shell 62 can be rotatably connected through the bearing 9.

[0051] The bearing 9 is a thrust bearing, and the first ring body and the second ring body correspond to the upper ring body and the lower ring body respectively. The structure of the upper shell 61 and the lower shell 62 of the air conditioner indoor unit of the present invention cooperates with the thrust bearing, so that the thrust bearing effectively bears the weight of the upper shell 61, makes the force of the bearing 9 more reasonable, and ensures the smooth rotation between the upper shell 61 and the lower shell 62. Preferably, the bearing 9 is a plastic bearing.

[0052] On this basis, the air conditioner indoor unit has an air inlet, and the air conditioner indoor unit also includes: a sliding bracket 101, on which a first roller 103 and a second roller 104 are provided, and the axis of the first roller 103 and the axis of the second roller 104 are arranged at a predetermined angle; a sliding door 102, the sliding door 102 is movably arranged on the sliding bracket 101, and the sliding door 102 is provided with a first slide groove 105 and a second slide groove 106, the first roller 103 is rollably arranged along the first slide groove 105, and the second roller 106 is arranged to rotate along the first slide groove 105. 04 is rollably arranged along the second slide groove 106 to guide the movement of the sliding door 102 through the first slide groove 105 and the second slide groove 106; wherein the sliding door 102 has a closed position and an open position. When the sliding door 102 is in the closed position, the sliding door 102 blocks the air inlet to prevent the outside air from entering the interior of the air conditioner indoor unit through the air inlet; when the sliding door 102 is in the open position, the sliding door 102 avoids the air inlet to allow the outside air to enter the interior of the air conditioner indoor unit through the air inlet. By arranging the sliding bracket 101 and the sliding door 102 at the air inlet, the sliding door 102 can be controlled to open and close as needed, thereby realizing the control of the air inlet position, and realizing the air inlet at the bottom of the air conditioner indoor unit and the air outlet at the top, or the air outlet at the top and the air inlet at the bottom.

[0053] The double roller and double slide groove structural design can realize the effective support of the sliding bracket 101 to the sliding door 102. Preferably, the predetermined angle is 90 degrees, so that the sliding bracket 101 can provide support to the sliding door 102 in multiple directions to ensure the smooth operation of the sliding door 102.

[0054] The air conditioner indoor unit includes a second driving mechanism. Of course, the second driving mechanism can be a variety of mechanisms that can achieve driving effects.

[0055] In this embodiment, the second driving mechanism includes: a second rack 107, which is arranged on the sliding door 102; a second driving motor 108, the main part of the second driving motor 108 is fixed on the main part of the air-conditioning indoor unit or the sliding bracket 101; a second transmission gear 109, which is installed on the output shaft of the second driving motor 108, and the second transmission gear 109 cooperates with the second rack 107 so that when the second driving motor 108 drives the second transmission gear 109 to rotate, the second rack 107 and the sliding door 102 are driven to slide through the second transmission gear 109.

[0056] When the indoor unit of the air conditioner of the present invention is working, the air supply blades 22 of the fan 2 rotate inside the first air duct 11, so that the effect of supplying air from bottom to top can be achieved. The interior of the air duct housing 1 is designed as a three-way structure. In addition to the straight-through channel (the first air duct 11 and the second air duct 12) from bottom to top, a channel (the third air duct 13) is opened from the side to the lower end to form a three-way channel mechanism. A slidable and rotatable windshield 3 is added in the middle. When the windshield 3 opens the upper channel (the second air duct 12) and closes the side channel (the third air duct 13), ventilation is upward, and air can be directly supplied to the upper end of the air duct. When the windshield 3 opens the side channel (the third air duct 13), the air is directly supplied to the upper end of the air duct. When the air duct 13 is opened and the upper channel (second air duct 12) is closed, the upward airflow in the air duct is guided by the arc of the wind shield 3 and turned to blow out from the side channel (third air duct 13), and the side channel (third air duct 13) is inclined downward, so this airflow can lead to the lower channel opening; on this basis, the air conditioner housing 6 is designed as a structure composed of an upper shell 61 and a lower shell 62, and a plastic bearing is designed at the connection. By rotating the upper shell 61, a 360-degree air supply effect can be achieved, and a sliding bracket 101 and a sliding door 102 are set at the air inlet to realize the opening and closing of the air inlet and control the air inlet position. The sliding door 102 has a vertical plate surface, and the vertical plate surface is preferably an arc structure, so that when it is matched with a cylindrical air conditioner indoor unit, a good fit effect between the overall air conditioner housing 6 and the sliding door 102 can be achieved.

[0057] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0058] The air supply structure of the present invention comprises: an air duct housing 1, a fan 2 and a wind shield 3, wherein the air duct housing 1 has a first air duct 11, a second air duct 12 and a third air duct 13, and the second air duct 12 and the third air duct 13 are both connected to the first air duct 11; at least a part of the fan 2 is installed in the first air duct 11 to drive the external air to flow into the first air duct 11 under the action of the fan 2; the wind shield 3 is arranged inside the air duct housing 1, and the position of the wind shield 3 is adjustable; so that the wind shield 3 has a first position and a second position, when the wind shield 3 is in the first position, the wind shield 3 separates the second air duct 12 from the first air duct 11, so that the air flowing into the first air duct 11 is discharged from the third air duct 13; when the wind shield 3 is in the second position, the wind shield 3 separates the third air duct 13 from the first air duct 11, so that the air flowing into the first air duct 11 is discharged from the second air duct 12. It can be seen that by applying the air supply structure of the present invention to an indoor unit of an air conditioner, the air supply state of the air supply structure can be switched by controlling the position of the wind shield 3, thereby controlling the air to flow out from the second air duct 12 or the third air duct 13, and then the indoor unit of the air conditioner can be made to discharge air from different positions as needed, thereby improving the flexibility of the air outlet of the indoor unit of the air conditioner.

[0059] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, rotated 90 degrees or in other orientations, and the spatially relative descriptions used herein are interpreted accordingly.

[0060] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0061] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0062] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air supply structure, characterized in that: include: An air duct housing (1), the air duct housing (1) comprising a first air duct (11), a second air duct (12) and a third air duct (13), the second air duct (12) and the third air duct (13) both being in communication with the first air duct (11); a fan (2), wherein at least a portion of the fan (2) is installed in the first air duct (11), so as to drive external air to flow into the first air duct (11) under the action of the fan (2); A wind shield (3), the wind shield (3) being arranged inside the air duct housing (1), and the position of the wind shield (3) being adjustable; The wind shield (3) has a first position and a second position. When the wind shield (3) is in the first position, the wind shield (3) separates the second air duct (12) from the first air duct (11), so that the air flowing into the first air duct (11) is discharged through the third air duct (13); when the wind shield (3) is in the second position, the wind shield (3) separates the third air duct (13) from the first air duct (11), so that the air flowing into the first air duct (11) is discharged through the second air duct (12). The wind shield (3) is slidably arranged relative to the air duct housing (1), and the air supply structure comprises a guide component, so that when the wind shield (3) slides relative to the air duct housing (1), the wind shield (3) is guided by the guide component; The wind shield (3) is a curved plate, at least a portion of the inner wall of the air duct housing (1) is a curved surface, the second air duct (12) and the third air duct (13) both extend to the curved surface, the curved plate fits the curved surface and the curved plate is slidably arranged along the curved surface, so that the wind shield (3) slides to the first position or the second position; The air duct housing (1) is provided with an arc-shaped groove (14), and the arc-shaped groove (14) extends to the interior of the air duct housing (1), so that the wind shielding member (3) can be inserted into the air duct housing (1) or taken out from the air duct housing (1) through the arc-shaped groove (14); The air supply structure further comprises a first driving mechanism (4), wherein the first driving mechanism (4) is drivingly connected to the wind shield (3) to drive the wind shield (3) to slide; A first limiting portion (15) is provided in the arc-shaped groove (14); a second limiting portion (31) is provided on the wind shield (3); the air supply structure further comprises a cover plate (5), the cover plate (5) being arranged on the arc-shaped groove (14) so ​​as to shield at least part of the arc-shaped groove (14); wherein the cover plate (5) is arranged at a distance from the first limiting portion (15), and the second limiting portion (31) is located between the first limiting portion (15) and the cover plate (5), so as to limit the movement of the wind shield (3) along its insertion direction through the first limiting portion (15) and the cover plate (5); The first air duct (11) has a necking section, and along the flow direction of the air, the flow cross-sectional size of the necking section gradually decreases.

2. The air supply structure according to claim 1, characterized in that: The first driving mechanism (4) comprises: a first rack (41), wherein the first rack (41) is arranged on the wind shield (3); A first drive motor (42), the main body of the first drive motor (42) being fixedly arranged on the air duct housing (1); A first transmission gear (43), wherein the first transmission gear (43) is mounted on an output shaft of the first drive motor (42), and the first transmission gear (43) cooperates with the first rack (41) so that when the first drive motor (42) drives the first transmission gear (43) to rotate, the first rack (41) and the wind shield (3) are driven to slide through the first transmission gear (43).

3. The air supply structure according to claim 1, characterized in that: The fan (2) comprises an air supply motor (21) and air supply blades (22) connected to the output shaft of the air supply motor (21), so that the air supply blades (22) are driven to rotate by the air supply motor (21) to drive air flow; wherein the air supply blades (22) are mixed flow blades.

4. An air conditioner indoor unit, comprising an air conditioner housing (6) and an air supply structure, characterized in that: The air supply structure is the air supply structure described in any one of claims 1 to 3, and a first air outlet (7) and a second air outlet (8) are provided on the air-conditioning casing (6), and the first air outlet (7) and the second air outlet (8) are arranged at an interval, and the first air outlet (7) is connected with the second air duct (12) of the air supply structure, so that when the wind shield (3) of the air supply structure is in the second position, the air passes through the second air duct (12) and is discharged from the first air outlet (7); the second air outlet (8) is connected with the third air duct (13) of the air supply structure, so that when the wind shield (3) of the air supply structure is in the first position, the air passes through the third air duct (13) and is discharged from the second air outlet (8).

5. The air conditioner indoor unit according to claim 4, characterized in that: The air conditioner casing (6) comprises an upper shell (61) and a lower shell (62); the upper shell (61) is rotatably arranged relative to the lower shell (62); the first air outlet (7) and the second air outlet (8) are both arranged on the upper shell (61) so as to change the orientation of the first air outlet (7) and the second air outlet (8) when the upper shell (61) rotates relative to the lower shell (62).

6. The air conditioner indoor unit according to claim 5, characterized in that: The air conditioner indoor unit comprises a bearing (9), wherein the bearing (9) has a first ring body and a second ring body which are relatively rotatable, wherein the first ring body is fixedly connected to the upper shell (61), and the second ring body is fixedly connected to the lower shell (62) so that the upper shell (61) and the lower shell (62) are rotatably connected via the bearing (9).

7. The air conditioner indoor unit according to claim 4, characterized in that: The air conditioner indoor unit has an air inlet, and the air conditioner indoor unit also includes: A sliding bracket (101), wherein the sliding bracket (101) is provided with a first roller (103) and a second roller (104), wherein the axis of the first roller (103) and the axis of the second roller (104) are arranged at a predetermined angle; A sliding door (102), wherein the sliding door (102) is movably arranged on the sliding bracket (101), and a first sliding groove (105) and a second sliding groove (106) are provided on the sliding door (102), the first roller (103) is rollably arranged along the first sliding groove (105), and the second roller (104) is rollably arranged along the second sliding groove (106), so as to guide the movement of the sliding door (102) through the first sliding groove (105) and the second sliding groove (106); The sliding door (102) has a closed position and an open position. When the sliding door (102) is in the closed position, the sliding door (102) blocks the air inlet to prevent outside air from entering the interior of the air-conditioning indoor unit through the air inlet; when the sliding door (102) is in the open position, the sliding door (102) avoids the air inlet to allow outside air to enter the interior of the air-conditioning indoor unit through the air inlet.

Images