Cabinet type air conditioner indoor unit and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, and discloses a cabinet type air conditioner indoor unit which comprises a shell, a first air duct and a second air duct are arranged in the shell, an upper air outlet communicating with the first air duct is formed in the upper portion of the shell, and a side air outlet communicating with the second air duct is formed in the side portion of the shell; the draught fan assembly comprises a first draught fan and a second draught fan, the first draught fan communicates with the upper air outlet through a first air channel so that air can be discharged from the upper portion, and the second draught fan communicates with the side air outlet through a second air channel so that air can be supplied to the side portion; and the heat exchanger is arranged in the shell and comprises a first heat exchange part arranged on the air inlet side of the first fan and a second heat exchange part arranged on the air inlet side of the second fan, and the heat exchange area of the first heat exchange part is smaller than that of the second heat exchange part. The cabinet type air conditioner indoor unit is provided with the two draught fans at the same time, and the air outlet effect of the air conditioner indoor unit is improved. The utility model further discloses the air conditioner.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioners, for example to a cabinet type air conditioner indoor unit and an air conditioner. BACKGROUND

[0002] An air conditioner is a common electrical appliance for improving the indoor environment of a user, and the size of the temperature regulation capacity and the air supply mode of the air conditioner are related to the experience of the user during use of the air conditioner.

[0003] Taking a floor type air conditioner as an example, at present, the shell of the floor type air conditioner is provided with a front air outlet, and a fan is arranged in the shell to realize air outlet. No matter whether the air conditioner is in a heating mode, a cooling mode or a dehumidifying mode, the air outlet mode of the floor type air conditioner is forward air supply.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] The air outlet mode of the existing air conditioner is relatively single, which affects the user experience.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. INVENTION CONTENTS

[0007] In order to have a basic understanding of some aspects of the disclosed embodiments, the following is a simple summary. The summary is not a general review, nor is it intended to determine the key / important components or delineate the protection scope of these embodiments, but as a prelude to the detailed description below.

[0008] The embodiments of the present disclosure provide a cabinet type air conditioner indoor unit and an air conditioner to solve the problem that the air outlet mode of the air conditioner is single and affects the user experience.

[0009] In some embodiments, a cabinet type air conditioner indoor unit includes: a shell, an internal first air duct and a second air duct are arranged in the shell, and an upper air outlet connected with the first air duct is arranged on an upper portion of the shell, and a side air outlet connected with the second air duct is arranged on a side portion of the shell; a fan assembly including a first fan and a second fan, and the first fan is connected with the upper air outlet through the first air duct for upper air outlet, and the second fan is connected with the side air outlet through the second air duct for side air supply; and a heat exchanger arranged in the shell, including a first heat exchange part arranged on an air inlet side of the first fan, and a second heat exchange part arranged on an air inlet side of the second fan, wherein the heat exchange area of the first heat exchange part is smaller than the heat exchange area of the second heat exchange part.

[0010] In some optional embodiments, a ratio of a heat exchange area of the first heat exchange portion to a heat exchange area of the second heat exchange portion is greater than or equal to 1 / 2.

[0011] In some optional embodiments, the heat exchanger comprises a first heat exchange section and a second heat exchange section, the first heat exchange section comprises the heat exchange portions arranged at the air inlet side of the first air fan and the air inlet side of the second air fan, and the second heat exchange section comprises the heat exchange portions arranged at the air inlet side of the first air fan and the air inlet side of the second air fan, wherein the first heat exchange section and the second heat exchange section are arranged with the first heat exchange connection position in an arc shape or a bent shape.

[0012] In some optional embodiments, the second air fan is arranged with the first air duct partition plate and the second air duct partition plate at two ends thereof, the first air duct partition plate is arranged at an upper portion of the second air duct partition plate, the first air duct partition plate is arranged with the first air duct opening communicated with the first air duct, and the second air duct partition plate is arranged with the second air duct opening communicated with the first air duct.

[0013] In some optional embodiments, the shell comprises a first side shell portion close to the first air duct, the second air duct opening is arranged from the first starting position of the second air duct partition plate to the first side shell portion, and a vertical extension line of the first starting position is a first extension line, wherein the first extension line passes through the first heat exchange connection position, or the first heat exchange connection position and the second air duct opening are located on the same side of the first extension line.

[0014] In some optional embodiments, the side air outlet comprises a first side air outlet and a second side air outlet, the second air duct comprises a first side portion air duct communicated with the first side air outlet and a second side portion air duct communicated with the second side air outlet, and the first air duct is arranged at one side of the second side portion air duct.

[0015] In some optional embodiments, a side portion air duct connection position is arranged between the first side portion air duct and the second side portion air duct, a line connecting the center of the second air fan and the first heat exchange connection position is a first straight line, a line connecting the center of the second air fan and the side portion air duct connection position is a second straight line, wherein an included angle between the first straight line and the second straight line is r, and 90°≤r≤270°.

[0016] In some optional embodiments, 130°≤r≤140°.

[0017] In some optional embodiments, the first air fan comprises a centrifugal fan, and the second air fan comprises a cross-flow fan, wherein the first air fan is arranged at a lower portion of the second air fan.

[0018] In some embodiments, the air conditioner comprises the indoor unit of the cabinet-type air conditioner.

[0019] The cabinet-type air conditioner indoor unit and the air conditioner provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The cabinet type air conditioner indoor unit comprises a shell, a fan assembly and a heat exchanger arranged in the shell. The shell is internally provided with a first air duct and a second air duct, and the upper part of the shell is provided with an upper air outlet communicated with the first air duct, and the side part of the shell is provided with a side air outlet communicated with the second air duct; the fan assembly comprises a first fan and a second fan, and the first fan is communicated with the upper air outlet through the first air duct for upper air outlet, and the second fan is communicated with the side air outlet through the second air duct for side air outlet; the heat exchanger is arranged in the shell, comprising a first heat exchange part arranged at the air inlet side of the first fan, and a second heat exchange part arranged at the air inlet side of the second fan. The heat exchange area of the first heat exchange part is smaller than that of the second heat exchange part.

[0021] It can be seen that the shell of the cabinet type air conditioner indoor unit provided by the embodiments of the present disclosure is provided with an upper air outlet and a side air outlet at the same time, and air is sent through different fans respectively. The top forward air supply and the side forward air supply are realized at the same time, the diversification of the air supply mode of the air conditioner indoor unit is improved, and the user experience is improved. In addition, the heat exchange area of the first heat exchange part arranged at the air inlet side of the first fan is smaller than that of the second heat exchange part arranged at the air inlet side of the second fan, thereby improving the overall air outlet effect of the cabinet type air conditioner indoor unit.

[0022] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute limitation on the embodiments, elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute proportional limitation, and wherein:

[0024] Figure 1 is a structure schematic diagram of an air conditioner indoor unit provided by the embodiments of the present disclosure;

[0025] Figure 2 is a structure schematic diagram of another air conditioner indoor unit provided by the embodiments of the present disclosure;

[0026] Figure 3 is a structure schematic diagram of another air conditioner indoor unit provided by the embodiments of the present disclosure;

[0027] Figure 4 is a structure schematic diagram of another air conditioner indoor unit provided by the embodiments of the present disclosure;

[0028] Figure 5 is a structure schematic diagram of another air conditioner indoor unit provided by the embodiments of the present disclosure;

[0029] Figure 6is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0030] Figure 7 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0031] Figure 8 is Figure 7 is an enlarged view of a selected portion in FIG. 7;

[0032] Figure 9 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0033] Figure 10 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0034] Figure 11 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0035] Figure 12 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0036] Figure 13 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0037] Figure 14 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0038] Figure 15 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0039] Figure 16 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0040] Figure 17 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0041] Figure 18 is Figure 17 is an enlarged view of a selected portion in FIG. 10;

[0042] Figure 19 is Figure 17 is another enlarged view of a selected portion in FIG. 10;

[0043] Figure 20 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0044] Figure 21 is a structural schematic view of another air conditioner indoor unit provided by an embodiment of the present disclosure;

[0045] Figure 22 is another structural schematic diagram of an indoor unit of an air conditioner provided by an embodiment of the present disclosure;

[0046] Figure 23 is a structural schematic diagram of a heat exchanger provided by an embodiment of the present disclosure;

[0047] Figure 24 is another structural schematic diagram of a heat exchanger provided by an embodiment of the present disclosure.

[0048] Reference signs:

[0049] 1: first fan; 11: first air duct; 101: upper air outlet;

[0050] 2: second fan; 21: first side air duct; 22: second side air duct; 23: total air outlet duct; 201: first side air outlet; 202: second side air outlet; 221: outer wall of the second side air duct; 222: outer wall of the machine shell; 223: first position; 2231: first separation point; 2232: second separation point; 224: first side air duct plate; 225: second side air duct plate; 2251: first side plate segment; 2252: second side plate segment; 226: air separation plate assembly; 2261: first guide plate; 2262: second guide plate; 2263: third guide plate; 2264: air separation front end; 2271: first guide inner wall; 2272: second guide inner wall; 228: guide plate connecting plate; 2281: first guide plate end; 2282: second guide plate end; 229: side air duct connecting position;

[0051] 31: first air duct partition plate; 301: first air duct opening; 302: second air duct opening; 3021: first edge; 3022: second edge; 3023: first starting position; 311: third partition plate side face; 3111: stop protrusion; 32: second air duct partition plate; 321: first partition plate side face; 3211: motor mounting groove; 322: second partition plate side face; 3221: impeller mounting groove; 323: partition plate edge;

[0052] 4: heat exchanger; 41: outer heat exchange side face; 42: inner heat exchange side face; 421: first heat exchange position; 431: first heat exchange portion; 432: second heat exchange portion; 433: first heat exchange segment; 434: second heat exchange segment; 435: first heat exchange connecting position; 436: middle heat exchange segment;

[0053] 51: first side shell part; 52: second side shell part. DETAILED DESCRIPTION

[0054] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0055] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0056] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0057] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0058] Unless otherwise specified, the term "a plurality of" means two or more.

[0059] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B represents: A or B.

[0060] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B, which means: A or B, or, A and B, the three relationships.

[0061] It should be noted that the embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0062] The air conditioner indoor unit provided by the present disclosure can also be referred to as a vertical air conditioner indoor unit, a floor type air conditioner indoor unit, a cabinet type air conditioner indoor unit, a double-fan air conditioner indoor unit, or a double-fan cabinet type air conditioner indoor unit, etc.

[0063] The air conditioner indoor unit provided by the present disclosure comprises a shell and a fan assembly. The shell is internally provided with a first air duct 11 and a second air duct, and the upper part of the shell is provided with an upper air outlet 101 which is in communication with the first air duct 11, and the side part of the shell is provided with a side air outlet which is in communication with the second air duct. The fan assembly comprises a first fan 1 and a second fan 2, and the first fan 1 is in communication with the upper air outlet 101 through the first air duct 11 for upper air outlet, and the second fan 2 is in communication with the side air outlet through the second air duct for side air outlet.

[0064] Optionally, the first fan 1 is arranged at the lower part of the second fan 2, and the first air duct 11 is arranged at one side of the second air duct.

[0065] The shell of the air conditioner indoor unit provided by the present disclosure is simultaneously provided with the upper air outlet 101 at the top or upper part and the side air outlet at the side part. Optionally, the upper air outlet 101 can realize top-to-front air outlet, and the side air outlet is located at the middle part or the middle-lower part of the shell, which can realize middle-to-front or side air outlet of the shell. Optionally, the upper air outlet 101 is in a cylindrical shape, and the side air outlet is in a long strip shape. It can be seen that the air conditioner indoor unit provided by the present disclosure realizes the air outlet mode of multi-dimensional air outlet, and improves the user experience.

[0066] The shell of the air conditioner indoor unit provided by the present disclosure is internally provided with the first air duct 11 and the second air duct, the first air duct 11 is in communication with the upper air outlet 101, and the first fan 1 is arranged in the first air duct 11; the second air duct is in communication with the side air outlet, and the second fan 2 is arranged in the second air duct. In this way, the air outlets of the two air outlets are not affected by each other by arranging the different fans in different air ducts and sending air to the upper air outlet 101 and the side air outlet.

[0067] Optionally, the first air duct 11 and the second air duct are arranged in isolation. The air blown by the first fan 1 is only sent out through the upper air outlet 101, and the air blown by the second fan 2 is only sent out through the side air outlet. In this way, the air outlet amount of the upper air outlet 101 and the side air outlet can be respectively controlled by respectively adjusting the gear or the speed of the first fan 1 and the second fan 2, thereby improving the diversification of the air outlet of the air conditioner indoor unit.

[0068] In the embodiments of the present disclosure, the first air duct 11 is arranged on one side of the second air duct, as shown in Figures 2 to 10 The first air duct 11 is arranged vertically, and the second air duct is also arranged vertically. Among the two vertically arranged air ducts, the first air duct 11 is arranged on one side of the second air duct. Optionally, the first air duct 11 is arranged on one side of the outer wall of the second air duct.

[0069] Optionally, the side air outlet includes a first side air outlet 201 and a second side air outlet 202, the second air duct includes a first side air duct 21 communicating with the first side air outlet 201, and a second side air duct 22 communicating with the second side air outlet 202, wherein the first air duct 11 is arranged on one side of the second side air duct 22. As shown in Figure 2 and Figure 3 .

[0070] The first side air outlet 201 is a vertical strip-shaped air outlet, and similarly, the second side air outlet 202 is a vertical strip-shaped air outlet. Optionally, the opening length of the first side air outlet 201 is the same as the opening length of the second side air outlet 202, and / or the opening width of the first side air outlet 201 is the same as the opening width of the second side air outlet 202. Optionally, the opening length of the first side air outlet 201 and the second side air outlet 202 is the same as the length of the second fan 2.

[0071] Optionally, the extension length of the first side air duct 21 is less than or equal to the extension length of the second side air duct 22. It can be understood that the extension length of the first side air duct 21 is the length of the dashed arrow in the first side air duct 21 in Figure 3 , and similarly, the extension length of the second side air duct 22 is the length of the dashed arrow in the second side air duct 22 in Figure 3 . Optionally, the first side air duct 21 and / or the second side air duct 22 is an arc-shaped air duct.

[0072] Optionally, the second fan 2 is arranged closer to one side of the first side air duct 21, so that the reserved position on one side of the second side air duct 22 is larger, and the first air duct 11 is arranged on one side of the second side air duct 22 with a larger reserved position. In this way, the opening area of the first air duct 11 is increased, and the air volume of the upper air outlet 101 is increased.

[0073] Optionally, the second fan 2 is provided with a first air duct partition 31 and a second air duct partition 32 at both ends, the first air duct partition 31 is arranged on the upper part of the second air duct partition 32, wherein the first air duct partition 31 is provided with a first air duct opening 301 communicating with the first air duct 11, and the second air duct partition 32 is provided with a second air duct opening 302 communicating with the first air duct 11. As shown in Figure 4 .

[0074] The first air duct partition 31 and the second air duct partition 32 arranged at both ends of the second fan 2 can separate the first air duct 11 from the second air duct. The first air duct partition 31 and the second air duct partition 32 can serve as horizontal end plates at both ends of the second air duct. The first air duct partition 31 is provided with a first air duct opening 301 communicating with the first air duct 11, and the second air duct partition 32 is provided with a second air duct opening 302 communicating with the first air duct 11. In this way, the air blown by the first fan 1 passes through the second air duct opening 302, the first air duct 11 and the first air duct opening 301 in sequence from bottom to top, and is then sent out from the upper air outlet 101.

[0075] Optionally, the first air duct partition 31 and / or the second air duct partition 32 are arranged in the housing in the horizontal direction, as shown. Figure 4 Optionally, the first air duct opening 301 is arranged at a position where the first air duct 11 of the first air duct partition 31 extends upward in the vertical direction, and the area of the first air duct opening 301 is greater than or equal to 2 / 3 of the cross-sectional area of the first air duct 11; similarly, the second air duct opening 302 is arranged at a position where the first air duct 11 of the second air duct partition 32 extends downward in the vertical direction, and the area of the second air duct opening 302 is greater than or equal to 2 / 3 of the cross-sectional area of the first air duct 11. In this way, the first air duct opening 301 and the second air duct opening 302 are arranged as large as possible on the first air duct partition 31 and the second air duct partition 32 respectively, thereby reducing the air resistance of the first air duct opening 301 and the second air duct opening 302.

[0076] Optionally, the first air duct opening 301 has a first projection in the vertical direction, and the second air duct opening 302 has a second projection in the vertical direction, wherein the first projection overlaps the second projection; or the first projection covers the second projection.

[0077] The first air duct opening 301 is arranged on the upper first air duct partition 31, and the second air duct opening 302 is arranged on the lower second air duct partition 32. The first air duct opening 301 has a first projection in the vertical or vertical direction, and the second air duct opening 302 has a second projection in the vertical or vertical direction. The first projection overlaps the second projection, so that the first air duct opening 301 and the second air duct opening 302 have the same size and shape. Alternatively, the first projection covers the second projection, so that the area of the first air duct opening 301 is greater than the area of the second air duct opening 302, thereby reducing the air resistance of the air flowing out of the second air duct opening 302 and then flowing through the first air duct opening 301.

[0078] Optionally, the outer wall 221 of the second side air duct forms a first outer wall with the outer wall 222 of the casing of the second fan 2 near the second side air duct 22, and the first outer wall comprises a first position 223 with a distance less than a preset distance, and the housing comprises a first side housing part 51 near the first air duct 11, and the second air duct opening 302 is formed from the first position 223 to the first side housing part 51. As Figure 7 shown.

[0079] Optionally, the outer wall 222 of the casing of the second fan 2 can be the outer wall of the inlet air duct volute of the second fan 2, for example, when the second fan is a cross-flow fan, the outer wall 222 of the casing of the second fan 2 is the outer wall of the air duct volute of the cross-flow fan.

[0080] The outer wall 221 of the second side air duct is shown as Figure 5 a thickened line in the figure, and the outer wall 222 of the casing of the second fan 2 near the second side air duct 22 is shown as Figure 6 a thickened line in the figure. The outer wall 221 of the second side air duct forms a first outer wall with the outer wall 222 of the casing of the second fan 2 near the second side air duct 22, and the first outer wall comprises a first position 223 with a distance less than a preset distance, as Figure 7 shown, and the second air duct opening 302 on the second air duct partition plate 32 is formed from the first position 223 to the first side housing part 51 of the housing. In this way, the second air duct opening 302 is roughly flared, and the air resistance of the second air duct opening 302 is reduced.

[0081] Optionally, the first position 223 is the position with the smallest distance of the first outer wall, or one end of the first position 223 is the bending position of the outer wall 222 of the casing. In this way, the second air duct opening 302 is roughly flared. As Figure 7 shown.

[0082] Optionally, the first position 223 of the first outer wall comprises a first separation point 2231 near the second side air duct 22, and a second separation point 2232 away from the second side air duct 22, wherein the first outer wall comprises a first side air duct plate 224 extending from the first separation point 2231 to the first side housing part 51, and a second side air duct plate 225 extending from the second separation point 2232 to the first side housing part 51. As Figure 7 and Figure 8 shown.

[0083] Optionally, the second separation point 2232 is the bending position of the outer wall 222 of the casing. The first outer wall comprises a first side air duct plate 224 extending from the first separation point 2231 to the first side housing part 51, as Figure 7 shown as a thickened line in the figure; and the first outer wall further comprises a second side air duct plate 225 extending from the second separation point 2232 to the second side housing part 52, asFigure 7 The line in the bolded part.

[0084] Optionally, the second side air duct plate 225 obtains a first tangent line at the second separation point 2232, wherein the first tangent line forms an angle a with the first side air duct plate 224, and 30°≤a≤150°.

[0085] As Figure 8 indicated, the second side air duct plate 225 obtains a first tangent line at the second separation point 2232, and the angle a between the first tangent line and the extension line of the first side air duct plate 224 is greater than or equal to 30° and less than or equal to 150°. In this way, the second air duct opening 302 is flared towards the first side shell part 51 from the first position 223, and the flaring is as large as possible. Optionally, 30°≤a≤50°.

[0086] Optionally, the first edge 3021 of the second air duct opening 302 overlaps the line type of the first side air duct plate 224, and / or the second edge 3022 of the second air duct opening 302 overlaps the line type of the second side air duct plate 225. Figure 9

[0087] The first edge 3021 of the second air duct opening 302 overlaps the line type of the first side air duct plate 224, so that the second air duct partition plate 32 is cut along the first side air duct plate 224 to obtain the first edge 3021 of the second air duct opening 302. At least part of the second edge 3022 of the second air duct opening 302 overlaps the line type of the second side air duct plate 225. Figure 7 Figure 9

[0088] Optionally, the second side air duct plate 225 comprises a first side plate segment 2251 and a second side plate segment 2252 connected by bending, and the first side plate segment 2251 is close to the second separation point 2232, wherein part of the second edge 3022 of the second air duct opening 302 overlaps the line type of the first side plate segment 2251.

[0089] Part of the second edge 3022 of the second air duct opening 302 overlaps the line type of the first side plate segment 2251, or the second edge 3022 of the second air duct opening 302 completely overlaps the line type of the first side plate segment 2251. In this way, the air blown out of the second air duct opening 302 does not form air resistance and noise when passing through the outer wall of the second side air duct 22, and the air volume of the upper air outlet 101 is improved.

[0090] Optionally, the outer wall 221 of the second side air duct is the same as the cross section obtained by the first outer wall at different positions in the vertical direction of the outer wall 222 of the shell close to the second air duct 2 of the second air duct 2.

[0091] ​​​Optionally, the linear shape and other parameters of the first air duct opening 301 on the first air duct partition 31 are the same as those of the second air duct opening 302.

[0092] Optionally, the first fan 1 includes a centrifugal fan, and the second fan 2 includes a cross-flow fan.

[0093] Optionally, the axis of the cross-flow fan is set vertically, while the axis of the centrifugal fan is set horizontally. For example... Figure 1 and Figure 2 As shown.

[0094] Optionally, the cross-section of the first air duct 11 includes the longest first length L1, and the cross-section of the second side air duct 22 includes the shortest second length L2, and the ratio of L1 to L2 is greater than or equal to a first preset value.

[0095] like Figure 10 As shown, the cross-section of the first air duct 11 includes the longest first length L1, and the cross-section of the second side air duct 22 includes the shortest second length L2, wherein the ratio of L1 to L2 is greater than or equal to a first preset value. This increases the area of ​​the first air duct 11, thereby increasing the airflow of the first air duct 11 and the airflow of the upper air outlet 101. Optionally, the first preset value is greater than or equal to 0.5.

[0096] Optionally, the first preset value is greater than or equal to 2.

[0097] In this embodiment, the first length L1 of the first air duct 11 is at least twice the second length L2 of the second side air duct 22. This increases the area and air volume of the first air duct 11.

[0098] Optionally, the cross-section of the first side air duct 21 includes the shortest third length L3, wherein the ratio of L2 to L3 is greater than or equal to a second preset value.

[0099] like Figure 10 As shown, the cross-section of the first side air duct 21 includes the shortest third length L3, wherein the ratio of L2 to L3 is greater than or equal to a second preset value. In this embodiment, the ratio of L2 to L3 is greater than or equal to the second preset value. Compared with the second side air duct 22, the first side air duct 21 has a shorter extension length and lower air resistance, while the second side air duct 22 has a longer extension length and higher air resistance. In this embodiment, the ratio of L2 to L3 is greater than or equal to the second preset value, resulting in a larger airflow in the second side air duct 22, balancing the airflow of the first side air duct 21 and the second side air duct 22. Optionally, the second preset value is greater than or equal to 1.

[0100] Optionally, the shell comprises a first side shell part 51 close to the first air duct 11, and a second side shell part 52 opposite to the first side shell part 51, and a distance between the first side shell part 51 and the second side shell part 52 is L4, wherein a ratio of L1 to L4 is greater than or equal to a third preset value.

[0101] In the embodiments of the present disclosure, the ratio of the first length L1 of the first air duct 11 to the distance L4 between the two side shell parts of the shell is greater than or equal to the third preset value, so that the air volume of the first air duct 11 is improved. Optionally, the third preset value is greater than or equal to 0.1. Optionally, 0.1≤L1 / L4≤1, or 0.2≤L1 / L4≤0.6, or 0.2≤L1 / L4≤0.5; or 0.3≤L1 / L4≤0.5; or 0.4≤L1 / L4≤0.5. Optionally, the third preset value is 0.4.

[0102] Optionally, the first fan 1 comprises a centrifugal fan, and a diameter of the centrifugal fan ranges from 90mm to 150mm; optionally, the diameter of the centrifugal fan is 125mm. Optionally, the second fan 2 comprises a cross-flow fan, and a diameter of the cross-flow fan ranges from 200mm to 450mm; optionally, the diameter of the cross-flow fan is 300mm. In this way, the overall air volume of the multiple air outlets of the air conditioner indoor unit is improved.

[0103] Optionally, the second fan 2 is provided with the first air duct partition plate 31 and the second air duct partition plate 32 at two ends thereof, and the second air duct partition plate 32 is arranged between the first fan 1 and the second fan 2.

[0104] Optionally, the first air duct assembly comprises the first air duct 11 and the first fan 1 arranged in the first air duct 11, and the second air duct assembly comprises the second air duct and the second fan 2 arranged in the second air duct. In the embodiments of the present disclosure, the second air duct partition plate 32 is arranged between the first fan 1 and the second fan 2. In this way, the first air duct 11 and the second air duct are arranged in a spaced manner by the first air duct partition plate 31 and the second air duct partition plate 32, and the first fan 1 and the second fan 2 are arranged in a spaced manner by the second air duct partition plate 32, so that the first air duct assembly and the second air duct assembly respectively perform air supply, and the controllability of the air supply volume of the first air duct assembly and the second air duct assembly is improved.

[0105] Optionally, the first air duct partition plate 31 is provided with a first air duct opening 301 in communication with the first air duct 11, and the second air duct partition plate 32 is provided with a second air duct opening 302 in communication with the first air duct 11.

[0106] Optionally, the second fan 2 comprises a second fan blade and a second driving motor for driving the second fan blade to rotate, and the second air duct partition plate 32 comprises a first partition plate side surface 321 facing the first fan 1 and a second partition plate side surface 322 facing the second fan 2, wherein the second driving motor is arranged on the first partition plate side surface 321 of the second air duct partition plate 32.

[0107] The second driving motor is arranged on the first partition plate side surface 321 of the second air duct partition plate 32, so that a separate mounting bracket for the second driving motor is not required, and the second driving motor is fixedly arranged by using the second air duct partition plate 32 having the air duct spacing function, thereby reducing the number of mounting and fixing components inside the shell.

[0108] Optionally, the first partition plate side surface 321 of the second air duct partition plate 32 is provided with a motor mounting groove 3211 matched with the second driving motor. Figure 11 As shown.

[0109] The first partition plate side surface 321 is provided with the motor mounting groove 3211 for mounting the second driving motor, and the motor mounting groove 3211 is matched with the size of the second driving motor in shape and size. Optionally, the motor mounting groove 3211 extends from the first partition plate side surface 321 to the direction of the first fan 1, so that the motor mounting groove 3211 protrudes from the surface of the first partition plate side surface 321 to have a certain height, as shown. Figure 11 As shown; or when the thickness of the second air duct partition plate 32 is large enough, the motor mounting groove 3211 is recessed inward from the first partition plate side surface 321, so that the motor mounting groove 3211 is recessed in the surface of the first partition plate side surface 321 to have a certain depth. In this way, the mounting stability of the motor mounting groove 3211 to the second driving motor is improved.

[0110] Optionally, the second partition plate side surface 322 of the second air duct partition plate 32 is provided with a fan blade mounting groove 3221 for mounting the second fan blade. As shown. Figure 12 and Figure 13 As shown.

[0111] The second partition plate side surface 322 of the second air duct partition plate 32 is provided with the fan blade mounting groove 3221 for mounting the second fan blade, and the fan blade mounting groove 3221 is arranged at a position corresponding to the motor mounting groove 3211. Optionally, the fan blade mounting groove 3221 is matched with the shape of the second fan blade in shape, for example, the shape of the fan blade mounting groove 3221 is circular.

[0112] Optionally, the fan blade mounting groove 3221 extends from the second partition plate side surface 322 to the direction of the second fan blade, so that the fan blade mounting groove 3221 protrudes from the surface of the second partition plate side surface 322 to have a certain height, as shown. Figure 13As shown in the drawings; or, when the thickness of the second air duct partition plate 32 is large enough, the fan blade mounting groove 3221 is recessed inward from the second partition plate side surface 322, so that the fan blade mounting groove 3221 has a certain depth recessed from the surface of the second partition plate side surface 322. In this way, the mounting stability of the fan blade mounting groove 3221 to the second fan blade is improved.

[0113] Optionally, the air conditioner indoor unit further comprises a heat exchanger 4, the heat exchanger 4 is arranged inside the shell, the first fan 1 and the second fan 2 are arranged at the side of the heat exchanger 4, the heat exchanger 4 comprises an outer heat exchange side surface 41 facing the air inlet of the shell, and an inner heat exchange side surface 42 facing the fan, wherein the second air duct partition plate 32 comprises a partition plate edge 323 facing the inner heat exchange side surface 42, the inner heat exchange side surface 42 of the heat exchanger 4 comprises a first heat exchange position 421 corresponding to the partition plate edge 323, and the partition plate edge 323 is consistent with the line shape of the first heat exchange position 421. As shown in the drawings. Figure 12

[0114] For example, the line type of the first heat exchange position 421 of the heat exchanger 4 comprises a straight line segment, an arc segment and another straight line segment in sequence, and correspondingly, the line type of the partition plate edge 323 also comprises a straight line segment, an arc segment and another straight line segment in sequence. In this way, the spacing between the first heat exchange position 431 of the heat exchanger 4 and each position of the partition plate edge 323 is equal.

[0115] The partition plate edge 323 of the second air duct partition plate 32 is consistent with the line shape of the first heat exchange position 421 of the heat exchanger 4, as shown in the drawings. Figure 12 Figure 14 In this way, the effect of corresponding arrangement of the second air duct partition plate 32 and the heat exchanger 4 is improved.

[0116] Optionally, a preset spacing is arranged between the partition plate edge 323 and the first heat exchange position 421; or, the partition plate edge 323 and the first heat exchange position 421 are in abutment.

[0117] The spacing between the partition plate edge 323 and the first heat exchange position 421 is less than or equal to 8mm, or the spacing between the partition plate edge 323 and the first heat exchange position 421 is less than or equal to 5mm. When the air conditioner is running in the cooling mode or the dehumidification mode, condensate water is easily generated on the surface of the heat exchanger 4. In the embodiment of the present disclosure, a preset spacing is arranged between the partition plate edge 323 and the first heat exchange position 421, which avoids the condensate water of the heat exchanger 4 flowing to the second air duct partition plate 32.

[0118] Optionally, the partition plate edge 323 and the first heat exchange position 421 of the heat exchanger 4 are in abutment. Optionally, a condensate water outlet hole is arranged at the position close to the partition plate edge 323 of the second air duct partition plate 32.

[0119] ​​Optionally, the first air duct partition plate 31 comprises a third partition plate side surface 311 facing the heat exchanger 4, wherein the third partition plate side surface 311 is provided with a stop protrusion 3111 abutting with the top end of the outer heat exchange side surface 41 of the heat exchanger 4.

[0120] The third partition plate side surface 311 of the first air duct partition plate 31 is provided with a stop protrusion 3111 for fixing the top end of the heat exchanger 4, so that no additional heat exchanger 4 mounting bracket is needed, reducing the number of mounting and fixing components inside the shell. Optionally, the stop protrusion 3111 is in the form of a groove, as shown in Figure 11 Optionally, the recessed stop protrusion 3111 forms a stop groove with the same shape as the top end of the heat exchanger 4, improving the fixing effect of the top end of the heat exchanger 4.

[0121] Optionally, a wind distribution partition plate assembly 226 is arranged in the second air duct. As shown in Figures 15 to 18

[0122] The second air duct is provided with a wind distribution partition plate assembly 226 for distributing the wind blown out by the second fan 2. The second air duct comprises a first side air duct 21 and a second side air duct 22, and the wind distribution partition plate assembly 226 can guide the wind blown out by the second fan 2 to the first side air duct 21 and the second side air duct 22 respectively, improving the air volume and air uniformity of the first side air outlet 201 and the second side air outlet 202.

[0123] Optionally, the wind distribution partition plate assembly 226 can be a fixedly arranged air deflector structure, or a driveable rotating or oscillating air deflector.

[0124] Optionally, the second air duct comprises a total air duct 23 arranged at the air outlet of the second fan 2, a first side air duct 21 connected between the total air duct 23 and the first side air outlet 201, and a second side air duct 22 connected between the total air duct 23 and the second side air outlet 202, wherein the wind distribution partition plate assembly 226 comprises a wind distribution front end 2264 facing the second fan 2, and at least part of the wind distribution front end 2264 of the wind distribution partition plate assembly 226 is arranged in the total air duct 23 to guide the wind of the total air duct 23 to the first side air duct 21 and the second side air duct 22 respectively.

[0125] The second air duct is divided, wherein the air duct near the air outlet of the second fan 2 is the total air duct 23, the first side air duct 21 is connected between the total air duct 23 and the first side air outlet 201, and the second side air duct 22 is connected between the total air duct 23 and the second side air outlet 202. The division between the total air duct 23 and the first side air duct 21 and the second side air duct 22 can be seen from the dashed line in Figure 17

[0126] ​​Optionally, at least part of the front end 2264 of the air distribution baffle assembly 226 is arranged in the total air outlet channel 23, so that the air distribution baffle assembly 226 improves the air guiding effect of the air discharged by the second air fan 2 to the first side air channel 21 and the second side air channel 22, respectively. In the direction of the air discharged by the second air fan 2, the front end 2264 of the air distribution baffle assembly 226 is located upstream of the air discharged by the second air fan 2, as shown in Figure 18 Optionally, at least half of the front end 2264 of the air distribution baffle assembly 226 is arranged in the total air outlet channel 23.

[0127] Optionally, the air distribution baffle assembly 226 comprises a first air guide plate 2261 and a second air guide plate 2262, wherein the first air guide plate 2261 extends from the total air outlet channel 23 to the first side air channel 21, and the second air guide plate 2262 extends from the total air outlet channel 23 to the second side air channel 22.

[0128] The air distribution baffle assembly 226 comprises the first air guide plate 2261 extending to the first side air channel 21, and the second air guide plate 2262 extending to the second side air channel 22. The first air guide plate 2261 extends from the total air outlet channel 23 to the first side air channel 21, which can be understood as that the extension direction of the first air guide plate 2261 is from the direction of the total air outlet channel 23 to the direction of the first side air channel 21; similarly, the second air guide plate 2262 extends from the total air outlet channel 23 to the second side air channel 22, which can be understood as that the extension direction of the second air guide plate 2262 is from the direction of the total air outlet channel 23 to the direction of the second side air channel 22.

[0129] The arrangement of the first air guide plate 2261 and the second air guide plate 2262 improves the air guiding effect of the air distribution baffle assembly 226 to the first side air channel 21 and the second side air channel 22, respectively.

[0130] Optionally, the second air channel is arranged vertically, the first air guide plate 2261 is arranged vertically in the second air channel, and the second air guide plate 2262 is arranged vertically in the second air channel.

[0131] Optionally, the smallest angle between the first air guide plate 2261 and the horizontal direction is β1, wherein 15°<β1≤120°; and / or, the smallest angle between the second air guide plate 2262 and the horizontal direction is β2, wherein 15°<β2≤90°.

[0132] As shown in Figure 19As shown, the smallest included angle β1 between the first flow guide plate 2261 and the horizontal direction is less than or equal to 90°. It can be understood that, when the first flow guide plate 2261 is in an arc shape, the included angle between the first flow guide plate 2261 and the horizontal direction can be understood as the included angle between the tangent line (e.g., the external tangent line) of the end of the first flow guide plate 2261 close to the total air outlet duct 23 and the horizontal direction. Optionally, 30°≤β1≤60°. The embodiment of the present disclosure improves the air distribution effect of the first flow guide plate 2261 to the first side air duct 21.

[0133] Optionally, the smallest included angle β2 between the second flow guide plate 2262 and the horizontal direction is less than or equal to 90°. It can be understood that, the smallest included angle between the second flow guide plate 2262 and the horizontal direction is also the included angle between the end of the second flow guide plate 2262 close to the total air outlet duct 23 and the horizontal direction. When the second flow guide plate 2262 is in an arc shape, the tangent line (e.g., the external tangent line) at the end of the second flow guide plate 2262 close to the total air outlet duct 23 is obtained, and the included angle β2 between the second flow guide plate 2262 and the horizontal direction is obtained. Optionally, 30°≤β2≤60°. The embodiment of the present disclosure improves the air distribution effect of the second flow guide plate 2262 to the second side air duct 22.

[0134] Optionally, the inner wall of the second air duct includes a first flow guide inner wall 2271 forming a flow guide air duct with the first flow guide plate 2261, and a second flow guide inner wall 2272 forming a flow guide air duct with the second flow guide plate 2262. Optionally, the first flow guide inner wall 2271 has the same curvature as the first flow guide plate 2261; or, the first flow guide inner wall 2271 has the same inclination angle as the first flow guide plate 2261; or, the width of the flow guide channel formed by the first flow guide inner wall 2271 and the first flow guide plate 2261 gradually increases from the total air outlet duct 23 to the first side air duct 21.

[0135] When the first flow guide plate 2261 is in an arc shape, the first flow guide inner wall 2271 of the inner wall of the second air duct is also in an arc shape. Optionally, the first flow guide inner wall 2271 has the same curvature as the first flow guide plate 2261, or the first flow guide inner wall 2271 has the same curvature as the first flow guide plate 2261. Optionally, when the first flow guide plate 2261 is in a straight plate shape, the first flow guide inner wall 2271 of the inner wall of the second air duct is also in a straight plate shape. Optionally, the first flow guide inner wall 2271 has the same inclination angle as the first flow guide plate 2261.

[0136] Optionally, the width of the flow guide channel formed by the first flow guide inner wall 2271 and the first flow guide plate 2261 gradually increases from the total air outlet duct 23 to the first side air duct 21. Figure 16As shown, the width of the first flow guide inner wall 2271 and the first flow guide plate 2261 at the end close to the total air outlet duct 23 is D1, and the width of the first flow guide inner wall 2271 and the first flow guide plate 2261 at the end close to the first side air duct 21 is D2, wherein D1 is less than D2, and gradually increases from D1 to D2.

[0137] It can be understood that the first flow guide inner wall 2271 is Figure 16 As shown in the enlarged section of the inner wall of the second air duct and the first flow guide plate 2261 forming the thickened section of the flow guide air duct.

[0138] Optionally, the second flow guide inner wall 2272 and the second flow guide plate 2262 have the same curvature; or, the second flow guide inner wall 2272 and the second flow guide plate 2262 have the same inclination angle; or, the width of the flow guide channel formed by the second flow guide inner wall 2272 and the second flow guide plate 2262 gradually increases from the total air outlet duct 23 to the second side air duct 22.

[0139] When the second flow guide plate 2262 is arc-shaped, the second flow guide inner wall 2272 of the inner wall of the second air duct is also arc-shaped, and optionally, the second flow guide inner wall 2272 and the second flow guide plate 2262 have the same curvature, or the second flow guide inner wall 2272 and the second flow guide plate 2262 have the same curvature; optionally, when the second flow guide plate 2262 is a straight plate, the second flow guide inner wall 2272 of the inner wall of the second air duct is also a straight plate, and optionally, the second flow guide inner wall 2272 and the second flow guide plate 2262 have the same inclination angle.

[0140] Optionally, the width of the flow guide channel formed by the second flow guide inner wall 2272 and the second flow guide plate 2262 gradually increases from the total air outlet duct 23 to the second side air duct 22. As shown, Figure 16 As shown, the width of the second flow guide inner wall 2272 and the second flow guide plate 2262 at the end close to the total air outlet duct 23 is D3, and the width of the second flow guide inner wall 2272 and the second flow guide plate 2262 at the end close to the second side air duct 22 is D4, wherein D3 is less than D4, and gradually increases from D3 to D4.

[0141] It can be understood that the second flow guide inner wall 2272 is Figure 16 As shown in the enlarged section of the inner wall of the second air duct and the second flow guide plate 2262 forming the thickened section of the flow guide air duct.

[0142] Optionally, a side air duct connection position 229 is arranged between the first side air duct 21 and the second side air duct 22; the air distribution baffle assembly 226 further comprises a third flow guide plate 2263, and the third flow guide plate 2263 is arranged between the first flow guide plate 2261 and the second flow guide plate 2262, wherein the third flow guide plate 2263 extends from the total air outlet duct 23 to the side air duct connection position 229.

[0143] The air distribution baffle assembly 226 further comprises a third guide plate 2263 arranged between the first guide plate 2261 and the second guide plate 2262, and the third guide plate 2263 extends from the total air outlet channel 23 to the side air outlet channel connection position 229. In this way, the third guide plate 2263 and the first guide plate 2261 form two guide air channels for distributing the air blown by the second air blower 2 to the first side air outlet channel 21, and similarly, the third guide plate 2263 and the second guide plate 2262 form two guide air channels for distributing the air blown by the second air blower 2 to the second side air outlet channel 22. It can be seen that the arrangement of the third guide plate 2263 improves the air distribution effect of the air blown by the second air blower 2 to the first side air outlet channel 21 and the second side air outlet channel 22, respectively.

[0144] Optionally, the third guide plate 2263 is also vertically arranged; optionally, the third guide plate 2263 is arc-shaped.

[0145] Optionally, the air distribution baffle assembly 226 further comprises a guide plate connecting plate 228 arranged transversely to the first guide plate 2261 and the second guide plate 2262.

[0146] The second air channel has a certain height in the vertical direction, and similarly, the heights of the first guide plate 2261, the second guide plate 2262, and the third guide plate 2263 are substantially the same as the height of the second air channel. It can be seen that the first guide plate 2261, the second guide plate 2262, and the third guide plate 2263 also have a certain height. The arrangement of the guide plate connecting plate 228 improves the stability of the air distribution and guide of the vertically arranged first guide plate 2261, the second guide plate 2262, and the third guide plate 2263.

[0147] Optionally, the guide plate connecting plate 228 is arranged in the horizontal direction. Optionally, the guide plate connecting plate 228 is integrally formed with the first guide plate 2261, the second guide plate 2262, and the third guide plate 2263; optionally, the guide plate connecting plate 228 is arranged in a plug-in manner with the first guide plate 2261, the second guide plate 2262, and the third guide plate 2263.

[0148] Optionally, the number of guide plate connecting plates 228 is multiple, and the multiple guide plate connecting plates 228 are arranged in the length direction of the first guide plate 2261 and the second guide plate 2262.

[0149] The air distribution baffle assembly 226 comprises multiple guide plate connecting plates 228 arranged at intervals, and the multiple guide plate connecting plates 228 are arranged at intervals in the length or height direction of the first guide plate 2261 and the second guide plate 2262. It can be understood that the length or height direction of the first guide plate 2261, the second guide plate 2262, and the third guide plate 2263 is the vertical direction. Optionally, the spacing between every two adjacent guide plate connecting plates 228 is equal. As shown in Figure 13 .

[0150] Optionally, the guide plate connecting plate 228 comprises opposite first and second guide plate ends 2281 and 2282, wherein the first guide plate end 2281 is connected to the inner wall of the second air duct; and / or the second guide plate end 2282 is connected to the inner wall of the second air duct.

[0151] The first guide plate end 2281 of the guide plate connecting plate 228 is connected to the inner wall of the second air duct, and similarly, the second guide plate end 2282 is also connected to the inner wall of the second air duct, so that the setting stability of the guide plate connecting plate 228 in the second air duct is improved.

[0152] Optionally, the air conditioner indoor unit further comprises a heat exchanger 4 arranged in the shell, the heat exchanger 4 comprises a first heat exchange portion 431 arranged on the air inlet side of the first fan 1, and a second heat exchange portion 432 arranged on the air inlet side of the second fan 2. Wherein the heat exchange area of the first heat exchange portion 431 is smaller than the heat exchange area of the second heat exchange portion 432. As shown in Figures 20 to 24 .

[0153] The heat exchanger 4 comprises a first heat exchange portion 431 arranged on the air inlet side of the first fan 1 and a second heat exchange portion 432 arranged on the air inlet side of the second fan 2, the heat exchanger 4 can be divided in the vertical direction to obtain the second heat exchange portion 432 and the first heat exchange portion 431 distributed in the upper and lower directions, when the first fan 1 is arranged in the lower part of the second fan 2, correspondingly, the first heat exchange portion 431 is arranged in the lower part of the second heat exchange portion 432, and the division line between the first heat exchange portion 431 and the second heat exchange portion 432 is shown by the dashed line in Figure 21 .

[0154] Optionally, the refrigerant pipeline of the first heat exchange portion 431 and the second heat exchange portion 432 is arranged in series or in parallel. When the refrigerant pipeline of the first heat exchange portion 431 and the second heat exchange portion 432 is arranged in parallel, the refrigerant distribution ratio between the first heat exchange portion 431 and the second heat exchange portion 432 can be adjusted according to the user's demand for the air outlet temperature between the upper air outlet 101 and the side air outlet; or when only the upper air outlet 101 is needed to send air, the refrigerant can only flow through the first heat exchange portion 431, and when only the side air outlet is needed to send air, the refrigerant can only flow through the second heat exchange portion 432.

[0155] Optionally, the fins of the heat exchanger of the first heat exchange portion 431 and the fins of the heat exchanger of the second heat exchange portion 432 are integrally formed.

[0156] In the embodiments of the present disclosure, the heat exchange area of the first heat exchange portion 431 is smaller than the heat exchange area of the second heat exchange portion 432. When the first fan 1 is a centrifugal fan and the second fan 2 is a cross-flow fan, the heat exchange area of the first heat exchange portion 431 corresponding to the centrifugal fan is relatively small, and the heat exchange area of the second heat exchange portion 432 corresponding to the cross-flow fan is relatively large, thereby improving the overall air supply of the air conditioner indoor unit.

[0157] Optionally, the ratio of the heat exchange area of the first heat exchange portion 431 to the heat exchange area of the second heat exchange portion 432 is greater than or equal to 1 / 2.

[0158] In this way, the air supply effect of the first fan 1 is improved without reducing the overall air supply of the air conditioner indoor unit. Optionally, the ratio of the heat exchange area of the first heat exchange portion 431 to the heat exchange area of the second heat exchange portion 432 is less than or equal to 2 / 3.

[0159] Optionally, the heat exchanger 4 comprises a first heat exchange section 433 and a second heat exchange section 434, and the first heat exchange section 433 comprises heat exchange portions arranged on the air inlet side of the first fan 1 and the air inlet side of the second fan 2, and the second heat exchange section 434 comprises heat exchange portions arranged on the air inlet side of the first fan 1 and the air inlet side of the second fan 2. The first heat exchange section 433 and the second heat exchange section 434 are provided with a first heat exchange connection position 435 in the shape of an arc or a bend.

[0160] The heat exchanger 4 is divided in the horizontal direction to obtain the first heat exchange section 433 and the second heat exchange section 434 arranged horizontally. The first heat exchange portion 431 corresponding to the air inlet side of the first fan 1 comprises the first heat exchange section 433 and the second heat exchange section 434, and the second heat exchange portion 432 corresponding to the air inlet side of the second fan 2 also comprises the first heat exchange section 433 and the second heat exchange section 434.

[0161] Optionally, the first heat exchange section 433 is a straight section, and the second heat exchange section 434 is a straight section, and the first heat exchange section 433 and the second heat exchange section 434 are provided with a first heat exchange connection position 435 in the shape of an arc or a bend, as shown in Figure 22 and Figure 23

[0162] Optionally, the second fan 2 is provided with a first air duct 11 partition and a second air duct partition 32, and the first air duct 11 partition is arranged on the upper portion of the second air duct partition 32. The first air duct 11 partition is provided with a first air duct opening 301 communicating with the first air duct 11, and the second air duct partition 32 is provided with a second air duct opening 302 communicating with the first air duct 11.

[0163] ​Optionally, the shell comprises a first side shell part 51 close to the first air duct 11, and the second air duct opening 302 is formed from the first starting position 3023 of the second air duct partition 32 to the first side shell part 51, and a vertical extension line where the first starting position 3023 is located is a first extension line, wherein the first extension line passes through the first heat exchange connection position 435; or the first heat exchange connection position 435 and the second air duct opening 302 are located on the same side of the first extension line.

[0164] The first extension line passes through the first heat exchange connection position 435. Figure 22 Figure 22 The first extension line passes through the first heat exchange connection position 435. In the embodiment of the present disclosure, the first extension line passes through the first heat exchange connection position 435, or the first heat exchange connection position 435 and the second air duct opening 302 are located on the same side of the first extension line, for example, in the orientation shown in FIG. 8, the first heat exchange connection position 435 and the second air duct opening 302 can be located on the left side of the first extension line. In this way, the air supply amount of the first air fan 1 is improved. Figure 22

[0165] Optionally, a side air duct connection position 229 is arranged between the first side air duct 21 and the second side air duct 22, a line connecting the center of the second air fan 2 and the first heat exchange connection position 435 is a first straight line, and a line connecting the center of the second air fan 2 and the side air duct connection position 229 is a second straight line, wherein the included angle r between the first straight line and the second straight line is greater than or equal to the second preset angle. As shown in FIG. 8. Figure 22

[0166] Optionally, a line connecting the center of the first heat exchange connection position 435 and the center of the second air fan 2 is the first straight line; or a line connecting the position of the first heat exchange connection position 435 closest to the shell and the center of the second air fan 2 is the first straight line.

[0167] In the embodiment of the present disclosure, the included angle between the first straight line and the second straight line is r, and 90°≤r≤270°, in this way, the heat exchange effect of the second air fan 2 and the heat exchanger 4 is improved. Optionally, 130°≤r≤140°.

[0168] Optionally, the heat exchanger 4 comprises a first heat exchange section 433, a second heat exchange section 434, and a first heat exchange connection position 435 arranged between the first heat exchange section 433 and the second heat exchange section 434 along the width direction, and the sum of the widths of the first heat exchange section 433, the second heat exchange section 434, and the first heat exchange connection position 435 is less than or equal to the first preset width.

[0169] ​​​The middle part of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be selected as the width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 respectively. The total width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be less than or equal to the first preset width. Figure 23 The middle part of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be selected as the width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 respectively. The total width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be less than or equal to the first preset width.

[0170] Optionally, the width of the first heat exchange section 433 is less than or equal to 1 / 2 of the total width of the heat exchanger 4, and the width of the first heat exchange connection position 435 is less than or equal to 1 / 2 of the total width of the heat exchanger 4.

[0171] Optionally, the second heat exchange section 434 of the heat exchanger 4 is a heat exchange section close to the second fan 2, wherein the width of the first heat exchange section 433 is less than the width of the second heat exchange section 434, or the width of the first heat exchange connection position 435 is less than the width of the second heat exchange section 434, thereby improving the heat exchange effect between the second fan 2 and the heat exchanger 4.

[0172] Optionally, the first heat exchange connection position 435 is an arc-shaped heat exchange section, and the bending radius of the arc-shaped heat exchange section is R, wherein 50mm≤R≤180mm.

[0173] The innermost arc-shaped section of the arc-shaped heat exchange section is taken as the bending radius R, as shown in the bold part in the middle. Figure 24 The middle part of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be selected as the width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 respectively. The total width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be less than or equal to the first preset width.

[0174] Optionally, the first heat exchange connection position 435 includes an inner arc-shaped section and an outer arc-shaped section, wherein the arc length of the inner arc-shaped section is greater than or equal to 5mm.

[0175] Optionally, the inner arc-shaped section of the first heat exchange connection position 435 is Figure 24 The middle part of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be selected as the width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 respectively. The total width of the first heat exchange section 433, the second heat exchange section 434 and the first heat exchange connection position 435 can be less than or equal to the first preset width.

[0176] The embodiment of the present disclosure also provides an air conditioner comprising the air conditioner indoor unit.

[0177] The above description and drawings suffice to fully enable one skilled in the art to practice the embodiments of the present disclosure. Other embodiments can include structural and other changes. The embodiments are merely representative of possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be varied. Portions and features of some embodiments can be included in, or substituted for, portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and can be varied in a variety of ways. The scope of the present disclosure is limited only by the claims that follow.

Claims

1. A cabinet type indoor unit of an air conditioner, characterized by comprising: The cabinet-type air conditioner indoor unit comprises: a cabinet, which is internally provided with a first air duct and a second air duct, and an upper air outlet is arranged on an upper portion of the cabinet and is in communication with the first air duct, and a side air outlet is arranged on a side portion of the cabinet and is in communication with the second air duct; a fan assembly, which comprises a first fan and a second fan, and the first fan is in communication with the upper air outlet through the first air duct for upper air outlet, and the second fan is in communication with the side air outlet through the second air duct for side air supply; and a heat exchanger, which is arranged in the cabinet and comprises a first heat exchange portion arranged on an air inlet side of the first fan and a second heat exchange portion arranged on an air inlet side of the second fan, wherein a heat exchange area of the first heat exchange portion is smaller than a heat exchange area of the second heat exchange portion.

2. The cabinet-type air conditioner indoor unit according to claim 1, wherein a ratio of the heat exchange area of the first heat exchange portion to the heat exchange area of the second heat exchange portion is greater than or equal to 1 / 2.

3. The cabinet-type air conditioner indoor unit according to claim 1, wherein the heat exchanger comprises a first heat exchange section and a second heat exchange section, and the first heat exchange section comprises heat exchange portions arranged on the air inlet side of the first fan and the air inlet side of the second fan, and the second heat exchange section comprises heat exchange portions arranged on the air inlet side of the first fan and the air inlet side of the second fan, wherein a first heat exchange connecting position in an arc shape or a bent shape is arranged between the first heat exchange section and the second heat exchange section.

4. The cabinet-type air conditioner indoor unit according to claim 3, wherein first and second air duct partitions are arranged at two ends of the second fan, and the first air duct partition is arranged on an upper portion of the second air duct partition, wherein the first air duct partition is provided with a first air duct opening in communication with the first air duct, and the second air duct partition is provided with a second air duct opening in communication with the first air duct.

5. The cabinet-type air conditioner indoor unit according to claim 4, wherein the cabinet comprises a first side cabinet portion close to the first air duct, and the second air duct opening is arranged from a first starting position of the second air duct partition to the first side cabinet portion, and a vertical extension line where the first starting position is located is a first extension line, and the first extension line passes through the first heat exchange connecting position; or the first heat exchange connecting position and the second air duct opening are located on the same side of the first extension line.

6. The cabinet-type air conditioner indoor unit according to claim 3, wherein the side air outlet comprises a first side air outlet and a second side air outlet, and the second air duct comprises a first side portion air duct in communication with the first side air outlet and a second side portion air duct in communication with the second side air outlet, wherein the first air duct is arranged on one side of the second side portion air duct.

7. The cabinet-type air conditioner indoor unit according to claim 6, wherein a side portion air duct connecting position is arranged between the first side portion air duct and the second side portion air duct, a first straight line is obtained by connecting a center of the second fan and the first heat exchange connecting position, and a second straight line is obtained by connecting the center of the second fan and the side portion air duct connecting position, wherein an included angle between the first straight line and the second straight line is r, and 90°≤r≤270°.

8. The cabinet-type air conditioner indoor unit according to claim 7, wherein 130°≤r≤140°。 9. The cabinet-type air conditioner indoor unit according to any one of claims 1 to 8, wherein The first fan comprises a centrifugal fan, and the second fan comprises a cross-flow fan. The first fan is arranged at a lower portion of the second fan.

10. An air conditioner characterized by comprising: The cabinet type air conditioner indoor unit comprises the cabinet type air conditioner indoor unit according to any one of claims 1 to 9.

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