Vertical air conditioner indoor unit

Abstract

The utility model proposes an air-conditioning indoor unit, comprising: a first opening is provided between a side end of an indoor heat exchanger close to a second air outlet and a wall surface of an air duct, a second opening is provided between a side end of the indoor heat exchanger close to a third air outlet and the wall surface of the air duct; a first door body; a second door body; when the first door body opens the first opening, part of the air in the air duct flows to the second air outlet through the first opening, part of the air in the air duct exchanges heat with the indoor heat exchanger and passes through the indoor heat exchanger to flow to the second air outlet; when the second door body opens the second opening, part of the air in the air duct flows to the third air outlet through the second opening, part of the air in the air duct exchanges heat with the indoor heat exchanger and passes through the indoor heat exchanger to flow to the third air outlet; the second air outlet and the third air outlet can be controlled to discharge part of the mixed air after heat exchange and part of the mixed air not after heat exchange, and the heat exchanged air is neutralized to avoid the temperature of the heat exchanged air being too high or too low.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a vertical air conditioning indoor unit. Background Art

[0002] The vertical air conditioner indoor unit may include an indoor air inlet, an indoor air outlet, an indoor heat exchanger and an indoor fan. The indoor fan drives the air from the indoor air inlet into the air conditioner indoor unit to exchange heat with the indoor heat exchanger. The heat-exchanged air flows out of the air conditioner indoor unit through the indoor air outlet to cool or heat the environment.

[0003] At present, the air outlet temperature of the air conditioner is low when cooling and high when heating, which will blow directly to the user, causing discomfort and air conditioning disease in the long run. To address this problem, some air conditioners have adopted measures such as preventing direct blowing and windless air outlet, and some air conditioners have adopted measures such as limiting the operating frequency of the compressor, which can have a certain effect.

[0004] However, the approach of reducing the compressor frequency can increase the outlet air temperature during cooling and improve the discomfort caused to users by the overcooled outlet air. However, the compressor frequency is too low, which reduces the capacity of the air conditioner and is not conducive to the rapid heating of the indoor environment. Through methods such as no wind feeling, preventing direct blowing, and reducing wind speed, the outlet air flow can be reduced. After passively mixing with the air flow in the indoor environment, the purpose of increasing the outlet air temperature during cooling, changing the temperature difference between the outlet air and the ambient temperature, and improving the discomfort caused by the overcooled wind blowing on the body can be achieved. However, reducing the outlet air flow actually reduces the capacity of the air conditioner, which is not conducive to the rapid heating of the indoor environment.

[0005] In recent years, the industry has adopted solutions such as fresh air mixing to adjust the outlet air temperature. Fresh air mixing will not reduce the compressor frequency and outlet air volume, and thus the air conditioning cooling and heating capacity will not be attenuated. However, due to space issues, the traditional fresh air mixing solution needs to lead the fresh air to the main air outlet of the air conditioner through a mixing channel, and the fresh air volume is relatively low. After mixing with the air conditioning cooling and heating airflow, the outlet air temperature does not increase significantly during cooling. Therefore, the present application proposes a vertical air conditioner indoor unit. Summary of the invention

[0006] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0007] To this end, according to an embodiment of the present disclosure, a vertical air conditioner indoor unit is proposed, comprising:

[0008] a body, comprising at least a first cavity located within the body;

[0009] The subject includes:

[0010] A casing, having an indoor air inlet formed on its rear side and a second air outlet and a third air outlet formed thereon, the indoor air inlet and the indoor air outlet being in communication with the first cavity, and the second air outlet and the third air outlet being respectively arranged on both sides of the casing in a width direction of the main body;

[0011] an air duct located in the housing;

[0012] An indoor fan is arranged in the air duct;

[0013] An indoor heat exchanger is arranged in the first cavity and is located on a side of the indoor fan away from the indoor air inlet; a first opening for air to flow from the air duct to the second air outlet is provided between a side end of the indoor heat exchanger close to the second air outlet and a wall surface of the air duct, and a second opening for air to flow from the air duct to the third air outlet is provided between a side end of the indoor heat exchanger close to the third air outlet and a wall surface of the air duct;

[0014] A first door body, used for opening or closing the first opening;

[0015] A second door body, used for opening or closing the second opening;

[0016] When the first door body closes the first opening and the second door body closes the second opening, the indoor fan allows air to flow into the casing through the indoor air inlet to exchange heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger flows out of the casing through the second air outlet and the third air outlet;

[0017] When the first door opens the first opening, the indoor fan causes air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the second air outlet through the first opening without exchanging heat with the indoor heat exchanger, and part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the second air outlet through the indoor heat exchanger;

[0018] When the second door body opens the second opening, the indoor fan allows air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the third air outlet through the second opening without exchanging heat with the indoor heat exchanger, and part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the third air outlet through the indoor heat exchanger.

[0019] The indoor heat exchanger is arranged on the side of the indoor fan away from the indoor air inlet, so that the indoor unit of the air conditioner is a blowing type indoor unit, which is convenient for the setting of the indoor air outlet and avoids the indoor air outlet being restricted by the air duct. The front side of the indoor heat exchanger is the air outlet area, and the indoor air outlet can be conveniently arranged on the front side and both sides of the casing, so that the middle part of the casing can be outflowed and the air supply distance is long; the first opening, the second opening, the first door body and the second door body are arranged, and it is possible to control whether the second air outlet and the third air outlet all discharge heat-exchanged air or discharge a mixture of partially heat-exchanged air and partially non-heat-exchanged air. After the partially heat-exchanged air and the partially non-heat-exchanged air are mixed, the heat-exchanged air can be neutralized to avoid the temperature of the heat-exchanged air being too high or too low, and to avoid the air blowing directly on the user to bring an uncomfortable experience to the user.

[0020] According to an embodiment of the present disclosure, the main body includes a volute, the volute is formed with the air duct, the air duct includes a third air duct and a fourth air duct, the third air duct and the fourth air duct are sequentially arranged in the width direction of the main body; the third air duct and the fourth air duct are arranged behind the indoor heat exchanger;

[0021] The indoor fan comprises:

[0022] A first fan, disposed in the first cavity and being a cross-flow fan;

[0023] A second fan is disposed in the first cavity and is a cross-flow fan

[0024] The first fan includes a third-stage fan; the third-stage fan is located in the third air duct;

[0025] The second fan includes a fourth section fan; the fourth section fan is located in the fourth air duct;

[0026] The third stage fan rotates to allow air to enter the third air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet;

[0027] The fourth section fan rotates to allow air to enter the fourth air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet.

[0028] According to an embodiment of the present disclosure, from the top of the third-stage fan downward, the rotation direction of the fan blades of the third-stage fan is clockwise; the rotation direction of the fan blades of the third-stage fan is opposite to the rotation direction of the fan blades of the fourth-stage fan.

[0029] According to an embodiment of the present disclosure, the volute includes a third front volute tongue, a second rear volute tongue and a fourth front volute tongue, the third front volute tongue and the second rear volute tongue are arranged on both sides of the third air duct, and the fourth front volute tongue and the second rear volute tongue are arranged on both sides of the fourth air duct;

[0030] The first opening is formed between the third front volute tongue and the indoor heat exchanger;

[0031] The second opening is formed between the fourth front volute tongue and the indoor heat exchanger.

[0032] According to an embodiment of the present disclosure, the first door body is rotatably connected to the third front volute tongue.

[0033] According to an embodiment of the present disclosure, the second door body is rotatably connected to the fourth front volute tongue.

[0034] According to an embodiment of the present disclosure, there is a gap between the front end of the second rear volute tongue and the indoor heat exchanger so that the front ends of the third air duct and the fourth air duct are connected.

[0035] According to an embodiment of the present disclosure, the indoor air outlet includes a first air outlet, and the first air outlet is provided at the front side of the housing;

[0036] The air duct includes a first air duct and a second air duct, the first air duct is located above the third air duct, and the second air duct is located above the fourth air duct;

[0037] The first air duct and the second air duct connect the indoor air inlet and the first air outlet;

[0038] The first fan includes a first section fan; the first section fan is located in the first air duct;

[0039] The second fan includes a second section fan; the second section fan is located in the second air duct;

[0040] The first fan rotates to allow air to enter the first air duct through the indoor air inlet and flow out from the first air outlet;

[0041] The second-stage fan rotates to allow air to enter the second air duct through the indoor air inlet and flow out from the first air outlet.

[0042] According to an embodiment of the present disclosure, the top of the indoor heat exchanger is lower than the top of the first air outlet;

[0043] The first air outlet includes a first air outlet area and a second air outlet area, and the first air outlet area is located above the second air outlet area;

[0044] In the height direction of the main body, the indoor heat exchanger is located below the first air outlet area; the second air outlet area is arranged opposite to the indoor heat exchanger;

[0045] Part of the air in the first cavity flows to the front side of the indoor heat exchanger through the top of the indoor heat exchanger without exchanging heat with the indoor heat exchanger, and part of the air in the first cavity flows to the front side of the indoor heat exchanger through the indoor heat exchanger and exchanges heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger and the air not after heat exchange with the indoor heat exchanger flows out of the casing through the first air outlet.

[0046] According to an embodiment of the present disclosure, a vertical air conditioner indoor unit is also provided, comprising:

[0047] a body, the body comprising at least a first cavity located within the body;

[0048] The subject includes:

[0049] A casing, a rear side of which is formed with an indoor air inlet, an indoor air outlet is formed on the casing, and the indoor air inlet and the indoor air outlet are in communication with the first cavity;

[0050] an air duct located in the housing;

[0051] An indoor fan is arranged in the air duct;

[0052] an indoor heat exchanger, disposed in the first chamber and located on a side of the indoor fan away from the indoor air inlet;

[0053] The indoor air outlet includes a side air outlet, and the side air outlet is arranged on the side of the casing in the width direction of the main body;

[0054] An opening is provided between the side end of the indoor heat exchanger close to the side air outlet and the wall surface of the air duct for air to flow from the air duct to the side air outlet;

[0055] A door body, used for opening or closing the opening;

[0056] When the door body closes the opening, the indoor fan allows air to flow into the casing through the indoor air inlet to exchange heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger flows out of the casing through the side air outlet;

[0057] When the door body opens the opening, the indoor fan allows air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the side air outlet through the opening, part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the side air outlet through the indoor heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 is a front view of an indoor unit of an air conditioner according to an embodiment of the present application;

[0059] Figure 2is a rear view of an indoor unit of an air conditioner according to an embodiment of the present application;

[0060] Figure 3 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

[0061] Figure 4 is a partial structural diagram of an air conditioner indoor unit according to an embodiment of the present application;

[0062] Figure 5-Figure 6 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

[0063] Figure 7 is a structural diagram of an indoor fan according to an embodiment of the present application;

[0064] Figure 8 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

[0065] Fig. 9 is a partial structural diagram of an air conditioner indoor unit according to an embodiment of the present application;

[0066] Fig.10 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

[0067] Fig.11 is a cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present application;

[0068] Fig.12 is a three-dimensional diagram of an indoor unit of an air conditioner according to an embodiment of the present application;

[0069] Figure 13-Figure 15 It is a cross-sectional view of an air conditioner indoor unit according to an embodiment of the present application.

[0070] In the above figures: main body 100; first cavity 101;

[0071] Casing 1; indoor air inlet 111; first air outlet 112; first air outlet area 1121; second air outlet area 1122; second air outlet 113; third air outlet 114; side air outlet 115;

[0072] Indoor heat exchanger 21;

[0073] Indoor fan 22;

[0074] First fan 221; first section fan 2211; first fan blade 22111; third section fan 2212; third fan blade 22121; first motor 2213;

[0075] The second fan 222; the second fan section 2221; the second fan blade 22211; the fourth fan section 2222; the fourth fan blade 22221; the second motor 2223;

[0076] Volute 31; first air duct 3111; second air duct 3112; third air duct 3113; fourth air duct 3114;

[0077] Snail tongue 321; first front snail tongue 32111; second front snail tongue 32112; third front snail tongue 32113; fourth front snail tongue 32114;

[0078] Rear volute tongue 3212; first rear volute tongue 32121; second rear volute tongue 32122;

[0079] Volute top plate 322; volute bottom plate 323;

[0080] A first partition 324;

[0081] Opening 33; first opening 331; second opening 332;

[0082] Door body 34; first door body 341; second door body 342. DETAILED DESCRIPTION

[0083] In order to make the purpose and implementation method of the present application clearer, the exemplary implementation method of the present application will be clearly and completely described below in conjunction with the drawings in the exemplary embodiments of the present application. Obviously, the described exemplary embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0084] It should be noted that the brief description of terms in this application is only for the convenience of understanding the embodiments described below, and is not intended to limit the embodiments of this application. Unless otherwise specified, these terms should be understood according to their ordinary and common meanings.

[0085] The terms "first", "second", "third", etc. in the specification and claims of this application and the above drawings are used to distinguish similar or similar objects or entities, and do not necessarily mean to limit a specific order or sequence, unless otherwise noted. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances.

[0086] The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover but not exclude inclusion, for example, a product or device comprising a list of components is not necessarily limited to all the components expressly listed but may include other components not expressly listed or inherent to such product or device.

[0087] The present application proposes a vertical air-conditioning indoor unit, which is described below with reference to the accompanying drawings.

[0088] In the present application, the vertical air conditioner indoor unit may be a component of the air conditioner. The air conditioner may include an air conditioner outdoor unit.

[0089] In the present application, the vertical air conditioner indoor unit can be set in a standing position on a supporting object such as a floor.

[0090] In this application, reference is made to Figure 1-Figure 3 The vertical type air conditioner indoor unit may include a main body 100 .

[0091] In the present application, the main body 100 may have a top and a bottom. The bottom of the main body to the top of the main body may be the height direction of the main body.

[0092] In the present application, the height direction of the main body may be the length direction of the main body.

[0093] In the present application, the body 100 may have a width direction. The width direction of the body may be from one side end of the body to the other side end of the body.

[0094] In the present application, the main body may have a front side and a rear side that are arranged opposite to each other. The side of the main body facing the user may be the front side of the main body. The front side of the main body to the rear side of the main body may be the front-to-back direction of the main body.

[0095] In the present application, a height direction, a width direction, and a front-rear direction of the main body may be perpendicular to each other.

[0096] In the present application, the air conditioner indoor unit may be arranged vertically, and the height direction of the air conditioner indoor unit may be parallel to the vertical direction.

[0097] In this application, reference is made to Figure 1-Figure 3 , the body 100 may include at least a first cavity 101. The first cavity 101 may be located inside the body.

[0098] In this application, reference is made to Figure 1-Figure 3 , the main body 100 may include a housing 1 .

[0099] In this application, reference is made to Figure 1-Figure 3 The housing 1 may be provided with an indoor air inlet 111. The indoor air inlet 111 may be an inlet for air to enter the housing 1.

[0100] In the present application, the indoor air inlet 111 may be disposed at the rear side of the casing.

[0101] In the present application, the indoor air inlet 111 may be in communication with the first cavity.

[0102] In the present application, an indoor air outlet may be formed on the housing 1. The indoor air outlet may be an outlet for air to flow out of the housing 1.

[0103] In the present application, the indoor air outlet may be in communication with the first cavity.

[0104] In this application, reference is made to Figure 1-Figure 3 The main body 100 may include an indoor heat exchanger 21. The indoor heat exchanger 21 may be disposed in the first cavity. The indoor heat exchanger 21 may be used to exchange heat with the air in the first cavity.

[0105] In this application, reference is made to Figure 1-Figure 3 The main body 100 may include an indoor fan 22. The indoor fan may be arranged in the first cavity. The indoor fan may be used to provide power for the flow of air.

[0106] In the present application, the indoor heat exchanger may be located on a side of the indoor fan away from the indoor air inlet.

[0107] In the present application, the indoor fan can drive air from the indoor air inlet into the first cavity to exchange heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger can flow out of the first cavity through the indoor air outlet.

[0108] In the present application, the air conditioner outdoor unit may include an outdoor housing. An outdoor accommodation space may be provided in the outdoor housing.

[0109] In the present application, the air conditioner outdoor unit may include an outdoor heat exchanger. The outdoor heat exchanger may be arranged in the outdoor accommodation space.

[0110] In the present application, the air conditioner outdoor unit may include an outdoor fan. The outdoor fan may be arranged in the outdoor accommodation space.

[0111] In the present application, an outdoor air inlet may be provided on the outdoor housing. The outdoor air inlet may be connected to the outdoor accommodation space. The outdoor air inlet may be used to introduce outdoor air into the outdoor accommodation space.

[0112] In the present application, an outdoor air outlet may be provided on the outdoor housing. The outdoor air outlet may be connected to the outdoor accommodation space. The outdoor air outlet may be used to lead the air in the outdoor accommodation space out of the outdoor accommodation space.

[0113] In the present application, the rotation of the outdoor fan causes outdoor air to enter the outdoor accommodation space from the outdoor air inlet to exchange heat with the outdoor heat exchanger, and the outdoor air after heat exchange flows out of the outdoor accommodation space from the outdoor air outlet.

[0114] In the present application, the air conditioner may include a compressor. The compressor may be arranged in the outdoor accommodation space.

[0115] In the present application, the air conditioner may include a throttling device. The throttling device is used for throttling. The throttling device may be arranged in the outdoor accommodation space.

[0116] In the present application, of both the indoor heat exchanger and the outdoor heat exchanger, one is a condenser and the other is an evaporator.

[0117] In this application, the air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, a throttling device and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

[0118] In the present application, the compressor compresses the refrigerant gas in a low-temperature and low-pressure state and discharges the refrigerant gas in a high-temperature and high-pressure state. The discharged refrigerant gas flows into the condenser.

[0119] In this application, the condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

[0120] In the present application, the throttle device expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant.

[0121] In this application, the evaporator evaporates the refrigerant expanded in the throttling device and returns the refrigerant gas in a low temperature and low pressure state to the compressor. The evaporator can achieve a refrigeration effect by utilizing the latent heat of evaporation of the refrigerant to exchange heat with the material to be cooled. In the whole cycle, the air conditioner can adjust the temperature of the indoor space.

[0122] In the present application, when the indoor heat exchanger functions as a condenser, the air conditioner functions as a heater in a heating mode, and when the indoor heat exchanger functions as an evaporator, the air conditioner functions as a cooler in a cooling mode.

[0123] In this application, reference is made to Figure 1-Figure 3 The indoor air outlet may include a first air outlet 112 .

[0124] In the present application, a first air outlet 112 may be formed on the housing 1 .

[0125] In the present application, the first air outlet 112 may be an outlet for air to flow out of the housing 1 .

[0126] In the present application, the first air outlet 112 may be disposed on the front side of the housing 1 .

[0127] In the present application, the first air outlet 112 may be circular.

[0128] In the present application, the first air outlet 112 may be in communication with the first cavity.

[0129] In this application, reference is made to Figure 4 , the first air outlet may include a first air outlet area 1121.

[0130] In this application, reference is made to Figure 4 , the first air outlet may include a second air outlet area 1122 .

[0131] In the present application, in the air outlet direction of the first air outlet, the first air outlet area is not arranged corresponding to the indoor heat exchanger, and the second air outlet area is arranged corresponding to the indoor heat exchanger.

[0132] The indoor fan drives the air to enter the first cavity through the indoor air outlet, part of the air in the first cavity flows to the front side of the indoor heat exchanger without exchanging heat with the indoor heat exchanger, part of the air in the first cavity passes through the indoor heat exchanger and flows to the front side of the indoor heat exchanger and exchanges heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger and the air not after heat exchange with the indoor heat exchanger flows out of the casing through the first air outlet.

[0133] In the present application, the top of the indoor heat exchanger may be lower than the top of the first air outlet.

[0134] In the present application, the first air outlet area and the second air outlet area may be arranged up and down.

[0135] In the present application, the first air outlet area may be located above the second air outlet area.

[0136] In the present application, in the height direction of the main body, the indoor heat exchanger can be located below the first air outlet area. The second air outlet area can be arranged opposite to the indoor heat exchanger, which can facilitate the production of the indoor heat exchanger and the first air outlet to match and facilitate production.

[0137] In the present application, the indoor fan drives the air into the first cavity through the indoor air outlet, part of the air in the first cavity flows through the top of the indoor heat exchanger to the front side of the indoor heat exchanger without exchanging heat with the indoor heat exchanger, part of the air in the first cavity flows through the indoor heat exchanger to the front side of the indoor heat exchanger and exchanges heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger and the air not after heat exchange with the indoor heat exchanger flows out of the casing through the first air outlet.

[0138] In the present application, the first air outlet area and the second air outlet area may be arranged sequentially in the width direction of the main body.

[0139] In the present application, the first air outlet area surrounds the outer side of the second air outlet area.

[0140] In the present application, the second air outlet area surrounds the outer side of the first air outlet area.

[0141] In the present application, the indoor heat exchanger may cover the second air outlet area, and the indoor heat exchanger may not cover the first air outlet area.

[0142] In the present application, the indoor fan drives the air into the first cavity through the indoor air outlet, part of the air in the first cavity flows to the front side of the indoor heat exchanger and does not exchange heat with the indoor heat exchanger, part of the air in the first cavity passes through the indoor heat exchanger and flows to the front side of the indoor heat exchanger and exchanges heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger and the air not after heat exchange with the indoor heat exchanger flows out of the casing through the first air outlet.

[0143] The indoor heat exchanger is set on the side of the indoor fan away from the indoor air inlet, so that the indoor unit of the air conditioner is a blowing type indoor unit, which is convenient for setting the indoor air outlet and avoiding the indoor air outlet being restricted by the air duct. The front side of the indoor heat exchanger is the air outlet area, which can conveniently set the indoor air outlet on the front and both sides of the casing, so that the middle of the casing can be discharged and the air supply distance is long; there is no indoor heat exchanger behind the first air outlet area and an indoor heat exchanger is set behind the second air outlet area, which can mix the heat-exchanged air with the unheat-exchanged air, avoid the temperature of the heat-exchanged air being too high or too low, and avoid the air blowing directly to the user to bring uncomfortable experience to the user. When cooling, the air outlet temperature of the first air outlet can be increased by 7℃-12℃.

[0144] In this application, reference is made to Figure 4 , the air outlet cross-sectional area of ​​the first air outlet zone can be S1.

[0145] In this application, reference is made to Figure 4 The air outlet cross-sectional area of ​​the second air outlet zone can be S2.

[0146] In the present application, S1 / (S1+S2)≥first parameter value. The first parameter value may be any value between 0.2-0.3. The first parameter value may be 0.25. S1 / (S1+S2)≥1 / 4. To avoid the first air outlet area accounting for too small a proportion of the first air outlet, the first air outlet area can be used to neutralize the air outlet temperature, and the air with too high or too low temperature can be prevented from blowing directly onto the user, thereby improving the user experience.

[0147] In the present application, S1 / (S1+S2)≤the second parameter value. The second parameter value may be any value between 0.7-0.8. The second parameter value may be 0.75. S1 / (S1+S2)≤3 / 4. Avoiding too large a proportion of the first air outlet area to the first air outlet, and avoiding excessive temperatures in the first air outlet area and the first air outlet, so that air with too high a temperature during cooling or too low a temperature during heating is blown directly onto the user, can improve the user experience.

[0148] In the present application, 1 / 4≤S1 / (S1+S2)≤3 / 4, which can ensure that the first air outlet area and the second air outlet area are not much different, and that the temperature after neutralization is not too high or too low, and that the air blowing to the user is more comfortable.

[0149] In this application, reference is made to Figure 5 The indoor air outlet may include a second air outlet 113 .

[0150] In the present application, a second air outlet 113 may be formed on the housing 1. The second air outlet 113 may be an outlet for air to flow out of the housing 1.

[0151] In the present application, the second air outlet 113 may be located at one side of the housing 1 in the width direction of the main body.

[0152] In the present application, the second air outlet 113 may be in communication with the first cavity.

[0153] In this application, reference is made to Figure 5 , the indoor air outlet may include a third air outlet 114 .

[0154] In the present application, a third air outlet 114 may be formed on the housing 1. The third air outlet 114 may be an outlet for air to flow out of the housing 1.

[0155] In the present application, the third air outlet 114 may be located at the other side of the housing 1 in the width direction of the main body.

[0156] In the present application, the second air outlet 113 and the third air outlet 114 may be respectively located at two sides of the housing 1 in the width direction of the main body.

[0157] In the present application, the third air outlet may be connected to the first cavity.

[0158] In the present application, the second air outlet 113 may be in a long strip shape and may be arranged along the height direction of the main body.

[0159] In the present application, the third air outlet 114 may be in a long strip shape and may be arranged along the height direction of the main body.

[0160] In the present application, in the width direction of the main body, the first air outlet may be located between the second air outlet and the third air outlet.

[0161] In the present application, in the height direction of the main body, the center of the first air outlet may be located above the second air outlet and the third air outlet.

[0162] In the present application, a first air outlet is provided on the front side of the casing, and a second air outlet and a third air outlet are provided on both sides of the casing in the width direction of the main body, so that there are multiple air outlets and the air outlet directions are diversified, which can meet the user's needs for multiple air outlets and can realize multiple air outlet methods.

[0163] In this application, reference is made to Figure 5 , the indoor fan may include a first fan 221. The first fan 221 may be located in the first cavity.

[0164] In the present application, the first fan may be a cross-flow fan.

[0165] In this application, reference is made to Figure 5 , the indoor fan may include a second fan 222. The second fan 222 may be located in the first cavity.

[0166] In the present application, the second fan may be a cross-flow fan.

[0167] In the present application, the indoor heat exchanger may be disposed on a side of the first fan and the second fan away from the indoor air inlet.

[0168] In this application, reference is made to Figure 3-Figure 6 The main body 100 may include a volute 31. The volute 31 may be disposed in the first cavity 101.

[0169] In this application, reference is made to Figure 3-Figure 6 A first air duct 3111 may be formed in the volute 31. The first air duct 3111 may connect the indoor air inlet and the first air outlet.

[0170] In this application, reference is made to Figure 3-Figure 6 A second air duct 3112 may be formed in the volute 31. The second air duct 3112 may connect the indoor air inlet and the first air outlet.

[0171] In this application, reference is made to Figure 3-Figure 6 A third air duct 3113 may be formed in the volute 31. The third air duct 3113 may connect the indoor air inlet and the second air outlet.

[0172] In the present application, a fourth air duct 3114 may be formed in the volute 31. The fourth air duct 3114 may connect the indoor air inlet and the third air outlet.

[0173] In the present application, in the height direction of the main body, the first air duct may be located above the third air duct.

[0174] In the present application, in the height direction of the main body, the second air duct may be located above the fourth air duct.

[0175] In the present application, in the height direction of the main body, the first air duct and the second air duct may be located above the third air duct and the fourth air duct.

[0176] In the present application, the first air duct and the second air duct are sequentially arranged in the width direction of the main body.

[0177] In the present application, the third air duct and the fourth air duct are sequentially arranged in the width direction of the main body.

[0178] In this application, reference is made to Figure 3-Figure 6 The first fan may include a first section fan 2211. The first section fan may be a cross-flow fan.

[0179] In this application, reference is made to Figure 3-Figure 6 , the first fan may include a third section fan 2212. The third section fan may be a cross flow fan.

[0180] In the present application, the first stage fan may be located above the third stage fan.

[0181] In the present application, the first-stage fan may be at least partially located in the first air duct 3111 .

[0182] In the present application, the third-stage fan may be at least partially located in the third air duct 3113 .

[0183] In this application, reference is made to Figure 7 , the first fan may include a first motor 2213 .

[0184] In the present application, the first motor 2213 can drive the first stage fan to rotate.

[0185] In the present application, the first motor 2213 can drive the second stage fan to rotate.

[0186] In the present application, the first motor 2213 may be located at the top of the first fan. The first motor 2213 may be located above the first section fan and the second section fan.

[0187] In the present application, the first motor 2213 may be located at the bottom of the first fan. The first motor 2213 may be located below the first section fan and the second section fan.

[0188] In this application, reference is made to Figure 3-Figure 6 The second fan may include a second section fan 2221. The second section fan may be a cross-flow fan.

[0189] In this application, reference is made to Figure 3-Figure 6 , the second fan may include a fourth section fan 2222. The fourth section fan may be a cross-flow fan.

[0190] In the present application, the second stage fan may be located above the fourth stage fan.

[0191] In the present application, the second-stage fan may be at least partially located in the second air duct 3112 .

[0192] In the present application, the fourth stage fan may be at least partially located in the fourth air duct 3114 .

[0193] In this application, reference is made to Figure 7 , the second fan may include a second motor 2223 .

[0194] In the present application, the second motor 2223 can drive the second stage fan to rotate.

[0195] In the present application, the second motor 2223 can drive the fourth stage fan to rotate.

[0196] In the present application, the second motor 2223 may be located at the top of the second fan. The second motor 2223 may be located above the second section fan and the fourth section fan.

[0197] In the present application, the second motor 2223 may be located at the bottom of the second fan. The second motor 2223 may be located below the second section fan and the fourth section fan.

[0198] In the present application, the first stage fan rotates to allow air to enter the first air duct through the indoor air inlet and flow out from the first air outlet.

[0199] In the present application, the second stage fan rotates to allow air to enter the second air duct through the indoor air inlet and flow out from the first air outlet.

[0200] In the present application, the third stage fan rotates to allow air to enter the third air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet.

[0201] In the present application, the fourth stage fan rotates to allow air to enter the fourth air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet.

[0202] In the present application, the first fan and the second fan are set as cross-flow fans, which can reduce the noise generated by the fans and reduce the cost of the fans; the first air duct, the second air duct, the third air duct and the fourth air duct are set, which can be adapted to three indoor air outlets and two indoor fans. The air outlet process is smooth, the air outlet wind resistance is small, the air outlet air volume of the three air outlets is guaranteed, and the user experience is good.

[0203] In this application, reference is made to Figure 8-Figure 9 , the volute 31 may include a volute tongue 321 .

[0204] In this application, reference is made to Figure 8-Figure 9 The volute 321 may include a volute top plate 322. The volute top plate may be disposed at the top of the volute.

[0205] In this application, reference is made to Figure 8-Figure 9 The volute 321 may include a volute bottom plate 323. The volute bottom plate may be disposed at the bottom end of the volute.

[0206] In the present application, the volute tongue 321 may be disposed between the volute top plate and the volute bottom plate.

[0207] In this application, reference is made to Figure 3-Figure 9 The volute tongue 321 may include a first front volute tongue 32111 .

[0208] In this application, reference is made to Figure 3-Figure 9 , the volute tongue 321 may include a second front volute tongue 32112 .

[0209] In this application, reference is made to Figure 3-Figure 9 The volute tongue 321 may include a rear volute tongue 3212 .

[0210] In the present application, the rear volute tongue 3212 may include a first rear volute tongue 32121. The first rear volute tongue may be located between the first front volute tongue and the second front volute tongue.

[0211] In the present application, the first air duct may be located between the first front volute tongue and the first rear volute tongue.

[0212] In the present application, the first front volute tongue and the first rear volute tongue can be used to enclose a first air duct. The first front volute tongue and the first rear volute tongue can be located on both sides of the first air duct respectively.

[0213] In the present application, the second air duct may be located between the first rear volute tongue and the second front volute tongue.

[0214] In the present application, the second front volute tongue and the first rear volute tongue can be used to enclose a second air duct. The second front volute tongue and the first rear volute tongue can be located on both sides of the second air duct respectively.

[0215] In this application, reference is made to Figure 3-Figure 9 , the volute tongue may include a third front volute tongue 32113.

[0216] In this application, reference is made to Figure 3-Figure 9 , the volute tongue may include a fourth front volute tongue 32114.

[0217] In this application, reference is made to Figure 3-Figure 9 , the rear volute tongue may include a second rear volute tongue 32122. The second rear volute tongue 32122 may be located between the third front volute tongue and the fourth front volute tongue.

[0218] In the present application, the third air duct may be located between the third front volute tongue and the second rear volute tongue.

[0219] In the present application, the third front volute tongue and the second rear volute tongue can be used to enclose the second air duct. The third front volute tongue and the second rear volute tongue can be located on both sides of the third air duct respectively.

[0220] In the present application, the fourth air duct may be located between the fourth front volute tongue and the second rear volute tongue.

[0221] In the present application, the fourth front volute tongue and the second rear volute tongue can be used to enclose a fourth air duct. The fourth front volute tongue and the second rear volute tongue can be located on both sides of the fourth air duct respectively.

[0222] In the present application, the first rear volute tongue is arranged between the first air duct and the second air duct, and the second rear volute tongue is arranged between the third air duct and the fourth air duct.

[0223] In this application, reference is made to Figure 3-Figure 9The main body may include a first partition 324. The first partition may be located between the first air duct and the third air duct and isolate the first air duct from the third air duct in vertical direction. The first partition may be located between the second air duct and the third air duct and isolate the second air duct from the fourth air duct in vertical direction.

[0224] In the present application, the volute may include a first partition plate.

[0225] In the present application, in the vertical direction, when the first air duct is located above the third air duct, the first front volute tongue, the volute top plate, the first rear volute tongue and the first partition plate form the first air duct.

[0226] In the present application, in the vertical direction, when the second air duct is located above the fourth air duct, the second front volute tongue, the volute top plate, the first rear volute tongue and the first partition plate form the second air duct.

[0227] In the present application, in the vertical direction, when the first air duct is located above the third air duct, the third front volute tongue, the volute bottom plate, the second rear volute tongue and the first partition plate form the third air duct.

[0228] In the present application, in the vertical direction, when the second air duct is located above the fourth air duct, the fourth front volute tongue, the volute bottom plate, the second rear volute tongue and the first partition plate form the fourth air duct.

[0229] A first partition is provided to isolate the first air duct from the third air duct and the second air duct from the fourth air duct, thereby avoiding confusion among the first air outlet, the second air outlet, and the third air outlet.

[0230] In the present application, the first fan may have a fan, and the fan may include at least a first section fan and a third section fan. The first fan has a first motor. When the first motor is working, the first section fan and the third section fan rotate simultaneously.

[0231] In the present application, the second fan may have a fan, and the fan may include at least a second-stage fan and a fourth-stage fan. The second fan has a first motor. When the second motor is working, the second-stage fan and the fourth-stage fan rotate simultaneously.

[0232] In this application, reference is made to Figure 3-Figure 9 The first section fan may have a plurality of fan blades. The fan blades of the first section fan may be referred to as first fan blades 22111.

[0233] In the present application, a plurality of fan blades of the first-stage fan may be arranged around the rotation axis of the first-stage fan.

[0234] In this application, reference is made to Figure 3-Figure 9 The second fan section may have a plurality of fan blades. The fan blades of the second fan section may be referred to as second fan blades 22211.

[0235] In the present application, a plurality of fan blades of the second-stage fan may be arranged around the rotation axis of the second-stage fan.

[0236] In this application, reference is made to Figure 3-Figure 9 The third section fan may have a plurality of fan blades. The fan blades of the third section fan may be referred to as third fan blades 22121.

[0237] In the present application, a plurality of fan blades of the third-stage fan may be arranged around the rotation axis of the third-stage fan.

[0238] In this application, reference is made to Figure 3-Figure 9 The fourth section fan may have a plurality of fan blades. The fan blades of the fourth section fan may be referred to as fourth fan blades 22221.

[0239] In the present application, a plurality of fan blades of the fourth stage fan may be arranged around the rotation axis of the fourth stage fan.

[0240] In the present application, the rotation direction of the fan blades of the third stage fan is opposite to the rotation direction of the fan blades of the fourth stage fan.

[0241] In the present application, from the top of the third-stage fan downward, the rotation direction of the fan blades of the third-stage fan is clockwise, so that the third-stage fan and the fourth-stage fan can adapt to the needs of air outlet on both sides.

[0242] In the present application, from the top of the third-stage fan downward, the rotation direction of the fan blades of the third-stage fan is counterclockwise, so as to avoid the formation of a windless area in the front middle area of ​​the third-stage fan and the fourth-stage fan.

[0243] In the present application, the rotation direction of the fan blades of the first stage fan is the same as the rotation direction of the fan blades of the third stage fan.

[0244] In the present application, the rotation direction of the fan blades of the first stage fan is opposite to the rotation direction of the fan blades of the third stage fan.

[0245] In the present application, the rotation direction of the fan blades of the first-stage fan is the same as the rotation direction of the fan blades of the second-stage fan.

[0246] In the present application, the rotation direction of the fan blades of the first-stage fan is opposite to the rotation direction of the fan blades of the second-stage fan.

[0247] In the present application, the fan blades of the first section fan and the second section fan are arranged so that the arrangement of the first section fan and the second section fan is suitable for the air outlet needs of the first air outlet, thereby avoiding the formation of a windless zone in the front middle area of ​​the first section fan and the second section fan.

[0248] In this application, reference is made to Figure 10-11 The indoor fan may include a first fan. The first fan may be arranged in the first cavity. The first fan may be a cross-flow fan.

[0249] The first fan includes at least a first section fan and a third section fan arranged up and down. The first section fan rotates to make air flow out from the first air outlet. The third section fan rotates to make air enter the third air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet. Thus, one cross-flow fan can achieve blowing-type air outlet from the first air outlet, the second air outlet and the third air outlet.

[0250] In this application, reference is made to Fig.12 The indoor air outlet may include a side air outlet 115. The side air outlet may be provided at a side of the casing in a width direction of the main body.

[0251] In the present application, the main body may include an air duct, the air duct may be located in the casing, and the indoor fan may be located in the air duct.

[0252] In the present application, an air duct may be formed in the volute.

[0253] In the present application, the air duct may include a first air duct.

[0254] In the present application, the air duct may include a second air duct.

[0255] In the present application, the air duct may include a third air duct.

[0256] In the present application, the air duct may include a fourth air duct.

[0257] In this application, reference is made to Figure 12-Figure 15 , the side air outlet may include a second air outlet 113 .

[0258] In this application, reference is made to Figure 12-Figure 15 , the side air outlet may include a third air outlet 114 .

[0259] In the present application, the second air outlet and the third air outlet may be respectively arranged on both sides of the casing in the width direction of the main body.

[0260] In the present application, an opening 33 for air to flow from the air duct to the side air outlet is provided between the side end of the indoor heat exchanger close to the side air outlet and the wall of the air duct.

[0261] In this application, reference is made to Figure 12-Figure 15 , the opening may include a first opening 331 .

[0262] In this application, reference is made to Figure 12-Figure 15 , the opening may include a second opening 332 .

[0263] In the present application, a first opening for air to flow from the air duct to the second air outlet is provided between the side end of the indoor heat exchanger close to the second air outlet and the wall surface of the air duct.

[0264] In the present application, a second opening for air to flow from the air duct to the third air outlet is provided between the side end of the indoor heat exchanger close to the third air outlet and the wall surface of the air duct.

[0265] In this application, reference is made to Figure 12-Figure 15 The main body may include a door body 34. The door body is used to open or close the opening.

[0266] In the present application, when the door is closed, the indoor fan allows air to flow into the casing through the indoor air inlet to exchange heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger flows out of the casing through the side air outlet.

[0267] In the present application, when the door is opened, the indoor fan allows air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the side air outlet through the opening and does not exchange heat with the indoor heat exchanger, part of the air in the air duct exchanges heat with the indoor heat exchanger and flows through the indoor heat exchanger to the side air outlet.

[0268] In this application, reference is made to Figure 12-Figure 15 , the door body may include a first door body 341 .

[0269] In this application, reference is made to Figure 12-Figure 15 , the door body may include a second door body 342.

[0270] In the present application, the main body may include a first door body.

[0271] In the present application, the first door 341 may be used to open or close the first opening 331 .

[0272] In the present application, the main body may include a second door body 342 .

[0273] In the present application, the second door body 342 may be used to open or close the second opening 332 .

[0274] In this application, reference is made to Figure 12-Figure 15 When the first door body closes the first opening and the second door body closes the second opening, the indoor fan allows air to flow into the casing through the indoor air inlet to exchange heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger flows out of the casing through the second air outlet and the third air outlet.

[0275] In this application, reference is made to Figure 12-Figure 15When the first door closes the first opening, the indoor fan allows air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the second air outlet through the first opening and does not exchange heat with the indoor heat exchanger, part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the second air outlet through the indoor heat exchanger; the air after heat exchange with the indoor heat exchanger and the air not exchanged heat with the indoor heat exchanger flows out of the casing through the second air outlet.

[0276] In this application, reference is made to Figure 12-Figure 15 When the second door closes the second opening, the indoor fan allows air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the third air outlet through the second opening and does not exchange heat with the indoor heat exchanger, part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the third air outlet through the indoor heat exchanger; the air after heat exchange with the indoor heat exchanger and the air not exchanged heat with the indoor heat exchanger flows out of the casing through the third air outlet.

[0277] The indoor heat exchanger is arranged on the side of the indoor fan away from the indoor air inlet, so that the indoor unit of the air conditioner is a blowing type indoor unit, which is convenient for the setting of the indoor air outlet and avoids the indoor air outlet being restricted by the air duct. The front side of the indoor heat exchanger is the air outlet area, and the indoor air outlet can be conveniently arranged on the front side and both sides of the casing, so that the middle part of the casing can be outflowed and the air supply distance is long; the first opening, the second opening, the first door body and the second door body are arranged, and it is possible to control whether the second air outlet and the third air outlet all discharge heat-exchanged air or discharge a mixture of partially heat-exchanged air and partially non-heat-exchanged air. After the partially heat-exchanged air and the partially non-heat-exchanged air are mixed, the heat-exchanged air can be neutralized to avoid the temperature of the heat-exchanged air being too high or too low, and to avoid the air blowing directly on the user to bring an uncomfortable experience to the user.

[0278] In this application, reference is made to Figure 12-Figure 15 The main body includes a volute. A third air duct 3113 is formed in the volute. A fourth air duct 3114 is formed in the volute.

[0279] In the present application, the third air duct and the fourth air duct may be sequentially arranged in the width direction of the main body.

[0280] In the present application, the third air duct and the fourth air duct may be arranged behind the indoor heat exchanger.

[0281] In this application, reference is made to Figure 12-Figure 15 The indoor fan includes a first fan. The first fan is arranged in the first cavity. The first fan is a cross-flow fan.

[0282] In this application, reference is made to Figure 12-Figure 15 The indoor fan includes a second fan. The second fan is arranged in the first cavity. The second fan is a cross-flow fan.

[0283] In the present application, the first fan may include a third-stage fan. The third-stage fan is located in the third air duct.

[0284] In the present application, the second fan may include a fourth-stage fan. The fourth-stage fan is located in the fourth air duct.

[0285] In the present application, the third stage fan rotates to allow air to enter the third air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet.

[0286] In the present application, the fourth stage fan rotates to allow air to enter the fourth air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet.

[0287] The third and fourth air ducts and the third and fourth fan stages are provided to facilitate the side air outlet of the second and third air outlets.

[0288] In this application, reference is made to Figure 12-Figure 15 The volute includes a third front volute tongue 32113. The volute includes a second rear volute tongue 32122.

[0289] In the present application, the third front volute tongue and the second rear volute tongue are arranged on both sides of the third air duct.

[0290] In this application, reference is made to Figure 12-Figure 15 , the volute includes a fourth front volute tongue 32114.

[0291] In the present application, the fourth front volute tongue and the second rear volute tongue are on both sides of the fourth air duct.

[0292] In this application, reference is made to Figure 12-Figure 15 A first opening 331 is formed between the third front volute tongue and the indoor heat exchanger, which facilitates the formation of the first opening.

[0293] In this application, reference is made to Figure 12-Figure 15 A second opening 332 is formed between the fourth front volute tongue and the indoor heat exchanger to facilitate the formation of the second opening.

[0294] In the present application, the first door body can be rotatably connected to the third front volute tongue to facilitate the fixation of the first door body.

[0295] In the present application, the second door body can be rotatably connected to the fourth front volute tongue, so as to facilitate the fixing of the second door body.

[0296] In the present application, there is a gap between the front end of the second rear volute and the indoor heat exchanger so that the front ends of the third air duct and the fourth air duct are connected, which facilitates the air to converge at the front ends of the third air duct and the fourth air duct, and can improve the heat exchange effect of the indoor heat exchanger in the middle part in the width direction of the main body.

[0297] In the present application, the indoor air outlet includes a first air outlet. The first air outlet is arranged at the front side of the housing.

[0298] In this application, reference is made to Figure 12-Figure 15 A first air duct 3111 is formed in the volute. A second air duct 3112 is formed in the volute.

[0299] In the present application, the first air duct is located above the third air duct, and the second air duct is located above the fourth air duct.

[0300] In the present application, the first air duct and the second air duct connect the indoor air inlet and the first air outlet.

[0301] In this application, reference is made to Figure 12-Figure 15 The first fan includes a first section fan 2211. The first section fan is located in the first air duct.

[0302] In this application, reference is made to Figure 12-Figure 15 The second fan includes a second section fan 2221. The second section fan is located in the second air duct.

[0303] In the present application, the first stage fan rotates to allow air to enter the first air duct through the indoor air inlet and flow out from the first air outlet.

[0304] In the present application, the second stage fan rotates to allow air to enter the second air duct through the indoor air inlet and flow out from the first air outlet.

[0305] The first and second air ducts and the first and second fan stages are provided so that the overall structure of the air conditioner indoor unit can be adapted to the side air outlets of the second and third air outlets and the front air outlets of the first air outlet.

[0306] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

[0307] For the convenience of explanation, the above description has been made in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or limit the embodiments to the specific forms disclosed above. Based on the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different variations of the embodiments suitable for specific use considerations.

Claims

1. A vertical air conditioner indoor unit, characterized in that: include: a body, comprising at least a first cavity located within the body; The subject includes: A casing, having an indoor air inlet formed on its rear side, an indoor air outlet formed on the casing, the indoor air outlet comprising a second air outlet and a third air outlet, the indoor air inlet and the indoor air outlet being in communication with the first cavity, the second air outlet and the third air outlet being respectively arranged on both sides of the casing in the width direction of the main body; an air duct located in the housing; An indoor fan is arranged in the air duct; An indoor heat exchanger is arranged in the first cavity and is located on a side of the indoor fan away from the indoor air inlet; a first opening for air to flow from the air duct to the second air outlet is provided between a side end of the indoor heat exchanger close to the second air outlet and a wall surface of the air duct, and a second opening for air to flow from the air duct to the third air outlet is provided between a side end of the indoor heat exchanger close to the third air outlet and a wall surface of the air duct; A first door body, used to open or close the first opening; A second door body, used for opening or closing the second opening; When the first door body closes the first opening and the second door body closes the second opening, the indoor fan allows air to flow into the casing through the indoor air inlet to exchange heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger flows out of the casing through the second air outlet and the third air outlet; When the first door opens the first opening, the indoor fan causes air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the second air outlet through the first opening without exchanging heat with the indoor heat exchanger, and part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the second air outlet through the indoor heat exchanger; When the second door body opens the second opening, the indoor fan allows air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the third air outlet through the second opening without exchanging heat with the indoor heat exchanger, and part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the third air outlet through the indoor heat exchanger.

2. The vertical air conditioner indoor unit according to claim 1, characterized in that: The main body includes a volute, the volute is formed with the air duct, the air duct includes a third air duct and a fourth air duct, the third air duct and the fourth air duct are sequentially arranged in the width direction of the main body; the third air duct and the fourth air duct are arranged behind the indoor heat exchanger; The indoor fan comprises: A first fan, disposed in the first cavity and being a cross-flow fan; A second fan is disposed in the first cavity and is a cross-flow fan The first fan includes a third-stage fan; the third-stage fan is located in the third air duct; The second fan includes a fourth section fan; the fourth section fan is located in the fourth air duct; The third stage fan rotates to allow air to enter the third air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet; The fourth section fan rotates to allow air to enter the fourth air duct through the indoor air inlet and flow out from the second air outlet and / or the third air outlet.

3. The vertical air conditioner indoor unit according to claim 2, characterized in that: The volute comprises a third front volute tongue, a second rear volute tongue and a fourth front volute tongue, wherein the third front volute tongue and the second rear volute tongue are arranged on both sides of the third air duct, and the fourth front volute tongue and the second rear volute tongue are arranged on both sides of the fourth air duct; The first opening is formed between the third front volute tongue and the indoor heat exchanger; The second opening is formed between the fourth front volute tongue and the indoor heat exchanger.

4. The vertical air conditioner indoor unit according to claim 3, characterized in that: The first door body is rotatably connected to the third front volute tongue.

5. The vertical air conditioner indoor unit according to claim 3, characterized in that: The second door body is rotatably connected to the fourth front volute tongue.

6. The vertical air conditioner indoor unit according to claim 3, characterized in that: There is a gap between the front end of the second rear volute and the indoor heat exchanger so that the front ends of the third air duct and the fourth air duct are connected.

7. The vertical air conditioner indoor unit according to claim 2, characterized in that: From the top of the third section fan downward, the rotation direction of the fan blades of the third section fan is clockwise; the rotation direction of the fan blades of the third section fan is opposite to the rotation direction of the fan blades of the fourth section fan.

8. The vertical air conditioner indoor unit according to claim 2, characterized in that: The indoor air outlet comprises a first air outlet, and the first air outlet is arranged at the front side of the housing; The air duct includes a first air duct and a second air duct, the first air duct is located above the third air duct, and the second air duct is located above the fourth air duct; The first air duct and the second air duct connect the indoor air inlet and the first air outlet; The first fan includes a first section fan; the first section fan is located in the first air duct; The second fan includes a second section fan; the second section fan is located in the second air duct; The first fan rotates to allow air to enter the first air duct through the indoor air inlet and flow out from the first air outlet; The second-stage fan rotates to allow air to enter the second air duct through the indoor air inlet and flow out from the first air outlet.

9. The vertical air conditioner indoor unit according to claim 8, characterized in that: The top of the indoor heat exchanger is lower than the top of the first air outlet; The first air outlet includes a first air outlet area and a second air outlet area, and the first air outlet area is located above the second air outlet area; In the height direction of the main body, the indoor heat exchanger is located below the first air outlet area; the second air outlet area is arranged opposite to the indoor heat exchanger; Part of the air in the first cavity flows to the front side of the indoor heat exchanger through the top of the indoor heat exchanger without exchanging heat with the indoor heat exchanger, and part of the air in the first cavity flows to the front side of the indoor heat exchanger through the indoor heat exchanger and exchanges heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger and the air not after heat exchange with the indoor heat exchanger flows out of the casing through the first air outlet.

10. A vertical air conditioner indoor unit, characterized in that: include: a body, the body comprising at least a first cavity located within the body; The subject includes: A casing, a rear side of which is formed with an indoor air inlet, an indoor air outlet is formed on the casing, and the indoor air inlet and the indoor air outlet are in communication with the first cavity; an air duct located in the housing; An indoor fan is arranged in the air duct; an indoor heat exchanger, disposed in the first chamber and located on a side of the indoor fan away from the indoor air inlet; The indoor air outlet includes a side air outlet, and the side air outlet is arranged on the side of the casing in the width direction of the main body; An opening is provided between the side end of the indoor heat exchanger close to the side air outlet and the wall surface of the air duct for air to flow from the air duct to the side air outlet; A door body, used for opening or closing the opening; When the door body closes the opening, the indoor fan allows air to flow into the casing through the indoor air inlet to exchange heat with the indoor heat exchanger, and the air after heat exchange with the indoor heat exchanger flows out of the casing through the side air outlet; When the door body opens the opening, the indoor fan allows air to flow into the air duct through the indoor air inlet, part of the air in the air duct flows to the side air outlet through the opening and does not exchange heat with the indoor heat exchanger, and part of the air in the air duct exchanges heat with the indoor heat exchanger and flows to the side air outlet through the indoor heat exchanger.

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