Air conditioner indoor unit and air conditioner

Abstract

The utility model provides an air conditioner indoor unit and an air conditioner, the air conditioner indoor unit comprises a heat exchanger, a heat exchange cavity, a first air duct and a second air duct, the heat exchanger is used for exchanging heat with airflow entering the air conditioner indoor unit and generating condensate water; the heat exchange cavity is used for collecting the condensate water; an outlet of the first air duct is a first air outlet, and the airflow can pass through the first air duct; and the second air duct communicates with the first air duct, an outlet of the second air duct is a second air outlet, and the second air duct is configured to enable at least part of the second air duct to be capable of exchanging heat with the condensate water in the heat exchange cavity. The utilization rate of refrigeration capacity of the heat exchanger of the air conditioner indoor unit is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air treatment equipment, in particular to an air conditioner indoor unit and air conditioner. BACKGROUND

[0002] The air conditioner is an air treatment equipment with temperature and humidity adjusting functions, and the indoor unit of the air conditioner can suck the air in the room from its air inlet, make the air exchange heat with the heat exchange device in the indoor unit, and then discharge the air to the room from the air outlet to achieve the purpose of adjusting the temperature of the indoor environment. The heat exchange device of the air conditioner indoor unit in the related art will produce condensate water after heat exchange with the air, and the condensate water will be directly discharged from the air conditioner indoor unit, resulting in a low utilization rate of the refrigeration capacity of the heat exchange device. SUMMARY

[0003] In view of the above problems, the utility model is provided to overcome the above problems or at least partially solve the above problems, the utility model discloses an air conditioner indoor unit and air conditioner, the refrigeration capacity utilization rate of the heat exchanger of the air conditioner indoor unit of the utility model is higher.

[0004] Specifically, the utility model provides an air conditioner indoor unit.

[0005] The air conditioner indoor unit of the utility model comprises a heat exchanger, the heat exchanger is used for heat exchange with the airflow entering the air conditioner indoor unit and produces condensate water, a heat exchange cavity is used for collecting the condensate water, a first air duct and a second air duct, the outlet of the first air duct is a first air outlet, the first air duct can pass through the airflow, the second air duct is communicated with the first air duct, and the outlet of the second air duct is a second air outlet, and the second air duct is configured so that at least part of the second air duct can exchange heat with the condensate water in the heat exchange cavity.

[0006] In some embodiments, the air conditioner indoor unit further comprises:

[0007] An air outlet pipeline forms the second air duct, one end of the air outlet pipeline is communicated with the first air duct, and the other end of the air outlet pipeline penetrates through the air conditioner indoor unit, so that the other end of the air outlet pipeline forms the second air outlet.

[0008] Part of the air outlet pipeline is arranged in the heat exchange cavity, so that the part of the air outlet pipeline can exchange heat with the condensate water in the heat exchange cavity.

[0009] In some embodiments, the air outlet pipeline comprises a first main pipeline, a branch pipeline and a second main pipeline, the first main pipeline is communicated with the first air duct.

[0010] The branch pipes are multiple, and the multiple branch pipes are in communication with the first main pipe and the second main pipe and are spaced apart in a transverse direction and arranged in the heat exchange cavity;

[0011] The second main pipe penetrates to the outside of the air conditioner indoor unit, and an outlet of the second main pipe forms the second air outlet.

[0012] In some embodiments, a portion of an outer wall of the second air duct forms a portion of the heat exchange cavity, and the portion of the heat exchange cavity is configured to be in contact with the condensed water.

[0013] In some embodiments, the air conditioner indoor unit further comprises:

[0014] An outer shell in which the heat exchanger and the first air duct are mounted, and an outlet of the first air duct penetrates the outer shell to form the first air outlet;

[0015] An outer wall of the second air duct forms a portion of the outer shell.

[0016] In some embodiments, a plurality of protrusions are formed on the portion of the outer shell, and the plurality of protrusions protrude towards the inside of the heat exchange cavity.

[0017] In some embodiments, the air conditioner indoor unit further comprises:

[0018] A water collecting tray arranged at the bottom of the heat exchanger to collect the condensed water, and the water collecting tray is in communication with the heat exchange cavity.

[0019] In some embodiments, two water outlets are arranged on the water collecting tray, each of the water outlets is arranged on one side in a transverse direction of the water collecting tray, and the first air duct is located between the two water outlets in the transverse direction.

[0020] The air conditioner indoor unit further comprises two drain pipes, one end of one of the drain pipes is in communication with one of the water outlets, the other end of the one of the drain pipes is in communication with the heat exchange cavity, one end of the other of the drain pipes is in communication with the other of the water outlets, and the other end of the other of the drain pipes is in communication with the heat exchange cavity.

[0021] In some embodiments, an air inlet is arranged on the first air duct, the second air duct is in communication with the first air duct through the air inlet, and the air inlet extends in a transverse direction.

[0022] The air conditioner comprises the air conditioner indoor unit according to any one of the preceding embodiments.

[0023] The air conditioner indoor unit of the embodiment of the utility model can make part of the airflow flowing through the first air duct flow into the second air duct, and the airflow flowing into the second air duct can exchange heat with the condensate water in the heat exchange cavity through the second air duct, so that the airflow flowing into the second air duct can further absorb the cold energy of the condensate water, and therefore the utilization rate of the refrigeration cold energy of the air conditioner indoor unit of the embodiment of the utility model is improved.

[0024] The above and other objects, advantages and features of the present utility model will become more apparent from the following detailed description of the preferred embodiments of the present utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] Some specific embodiments of the present utility model will be described in detail hereinafter with reference to the accompanying drawings in an exemplary and non-limiting manner. The same reference signs in the drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that the drawings are not necessarily drawn to scale. In the drawings:

[0026] Figure 1 is a schematic structural view of an air conditioner indoor unit according to the embodiment of the utility model;

[0027] Figure 2 is a sectional view of the air conditioner indoor unit according to the embodiment of the utility model along A-A direction in FIG. 1; Figure 1

[0028] Figure 3 is a local enlarged schematic structural view of the air conditioner indoor unit according to the embodiment of the utility model at A place in FIG. 1; Figure 1

[0029] Figure 4 is a schematic structural view of an air conditioner indoor unit according to the embodiment of the utility model;

[0030] Figure 5 is a schematic structural view of an air conditioner indoor unit according to the embodiment of the utility model;

[0031] Figure 6 is a schematic structural view of an air conditioner indoor unit according to the embodiment of the utility model.

[0032] Reference signs:

[0033] Heat exchange cavity 100; first air duct 200; first air outlet 210; air inlet 220; second air duct 300; second air outlet 310; air outlet duct 320; first main duct 321; branch duct 322; second main duct 323; air deflector 330; outer shell 400; bottom plate 410; protruding part 411; heat exchanger 500; water collecting tray 510; water outlet 511; water discharge duct 520; valve body 521; pump body 530; condensate water 600. DETAILED DESCRIPTION ​​

[0034] The air conditioner indoor unit and the air conditioner according to the embodiments of the present application will be described below with reference to Figures 1 to 6 In the description of the present application, it should be understood that the terms "first", "second" are used only for the purpose of description, and should not be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features, i.e. one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited. When a certain feature "includes or contains" a certain feature or certain features, unless otherwise specifically described, it indicates that other features and can further include other features.

[0035] Unless otherwise specifically defined and limited, the terms "set", "install", "connect", "connect", "fix", "couple" and other terms should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. Those skilled in the art should be able to understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0036] In addition, in the description of the present embodiment, the first feature "above" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. That is, in the description of the present embodiment, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" or "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0037] In the description of the present embodiment, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The air conditioner indoor unit of the embodiment of the present application is described below with reference to the drawings.

[0039] As shown in Figures 1-6 The air conditioner indoor unit of the embodiment of the present application comprises a heat exchanger 500, a heat exchange cavity 100, a first air duct 200 and a second air duct 300.

[0040] The heat exchanger 500 can exchange heat with the airflow entering the air conditioner indoor unit and produce condensate water 600. That is, the air outside enters the air conditioner indoor unit and passes through the heat exchanger 500 to exchange heat between the air and the heat exchanger 500. The moisture carried in the airflow condenses on the heat exchanger 500, thereby producing condensate water 600.

[0041] The heat exchange cavity 100 is used to collect the condensate water 600, that is, the condensate water 600 dripping from the heat exchanger 500 enters the heat exchange cavity 100. The heat exchanger 500 can be located in the heat exchange cavity 100, that is, the condensate water 600 on the heat exchanger 500 can directly drip into the heat exchange cavity 100; or the space where the heat exchanger 500 is located is spaced apart from the heat exchange cavity 100, and the condensate water 600 can be transported into the heat exchange cavity 100 through a pipeline.

[0042] The outlet of the first air duct 200 is a first air outlet, and the first air duct 200 can pass through the airflow, that is, the airflow after exchanging heat with the heat exchanger 500 enters the first air duct 200 and is blown into the room through the first air outlet.

[0043] The second air duct 300 communicates with the first air duct 200, and when the airflow passes through the first air duct 200, part of the airflow in the first air duct 200 flows into the second air duct 300. The outlet of the second air duct 300 is a second air outlet 310, and the airflow flowing into the second air duct 300 is finally blown into the room through the second air outlet 310. The second air duct 300 is configured such that at least part of the second air duct 300 can exchange heat with the condensate water 600 in the heat exchange cavity 100.

[0044] The air conditioner indoor unit of the embodiment of the present application is described below with reference to the drawings.

[0045] The air outside enters the air conditioner indoor unit, and the airflow of the air passes through the heat exchanger 500 to exchange heat with the heat exchanger 500. The airflow after heat exchange enters the first air duct 200. Part of the airflow entering the first air duct 200 enters the second air duct 300. When this part of the airflow passes through the at least part of the second air duct 300 corresponding to the heat exchange cavity 100, this part of the airflow exchanges heat with the condensate water 600 through the first air duct 200, so that the airflow is cooled again, and finally blown into the room through the second air outlet 310. Another part of the airflow entering the first air duct 200 is blown into the room through the first air outlet.

[0046] Compared with the related art, the air conditioner indoor unit of the embodiment of the utility model can make part of the airflow flowing through the first air duct 200 flow into the second air duct 300 by making the second air duct 300 communicate with the first air duct 200. The airflow flowing into the second air duct 300 can exchange heat with the condensed water 600 in the heat exchange cavity 100 through the second air duct 300, so that the airflow flowing into the second air duct 300 can further absorb the cold energy of the condensed water 600, and therefore the utilization rate of the refrigeration cold energy of the air conditioner indoor unit of the embodiment of the utility model is improved.

[0047] In order to make the application easier to be understood, the air conditioner indoor unit of the embodiment of the utility model is further described below by taking the transverse direction and the left-right direction as an example.

[0048] As shown in Figures 1-6 , the air conditioner indoor unit of the embodiment of the utility model comprises a heat exchanger 500, a heat exchange cavity 100, a first air duct 200, a second air duct 300, an outer shell 400, a water pan 510 and a drain pipe 520. The heat exchanger 500 and the first air duct 200 are both installed in the outer shell 400, and the outer shell 400 defines the heat exchange cavity 100. The outlet of the first air duct 200 penetrates the outer shell 400 to form a first air outlet, so that the first air duct 200 can communicate with the outside.

[0049] In some embodiments, as shown in Figure 1 and Figure 2 , the air conditioner indoor unit of the embodiment of the utility model further comprises an air outlet pipe 320, the air outlet pipe 320 forms the second air duct 300, one end of the air outlet pipe 320 communicates with the first air duct 200, and the other end of the air outlet pipe 320 penetrates the air conditioner indoor unit to form a second air outlet 310. Part of the air outlet pipe 320 is arranged in the heat exchange cavity 100, so that the part of the air outlet pipe 320 can exchange heat with the condensed water 600 in the heat exchange cavity 100.

[0050] That is, the part of the air outlet pipe 320 is installed in the heat exchange cavity 100, and when the condensed water 600 is contained in the heat exchange cavity 100, the part of the air outlet pipe 320 is immersed in the condensed water 600. By arranging part of the air outlet pipe 320 in the heat exchange cavity 100, the airflow can exchange heat with the condensed water 600 in the heat exchange cavity 100 through the part of the air outlet pipe 320 when the airflow passes through the part of the air outlet pipe 320. Therefore, not only the airflow in the second air duct 300 can exchange heat with the condensed water 600, but also the structure is simple.

[0051] The outside air enters the air conditioner indoor unit, and the air flow passes through the heat exchanger 500 to exchange heat with the heat exchanger 500, and the heat-exchanged air flow enters the first air duct 200. A part of the air flow entering the first air duct 200 enters the air outlet duct 320. When this part of the air flow passes through the air outlet duct 320 corresponding to the heat exchange cavity 100, this part of the air flow exchanges heat with the condensed water 600 through the air duct to cool the air flow, and finally blows into the room through the second air outlet 310.

[0052] Specifically, as shown in Figure 2 and Figure 4 , the air outlet duct 320 includes a first main duct 321, branch ducts 322, and a second main duct 323. The first main duct 321 communicates with the first air duct 200. The branch ducts 322 are multiple, and the multiple branch ducts 322 communicate with the first main duct 321 and the second main duct 323. The multiple branch ducts 322 are spaced apart in the transverse direction and arranged in the heat exchange cavity 100. The second main duct 323 penetrates to the outside of the air conditioner indoor unit, and the outlet of the second main duct 323 forms the second air outlet 310.

[0053] A part of the air flow entering the first air duct 200 enters the first main duct 321 and then enters the multiple branch ducts 322. When this part of the air flow passes through the multiple branch ducts 322, this part of the air flow exchanges heat with the condensed water 600 through the multiple branch ducts 322 to cool the air flow, and finally blows into the room through the second main duct 323.

[0054] That is, the multiple branch ducts 322 are installed in the heat exchange cavity 100, and when the condensed water 600 is contained in the heat exchange cavity 100, the multiple branch ducts 322 are immersed in the condensed water 600. By arranging the multiple branch ducts 322 in the heat exchange cavity 100, a part of the air flow in the first air duct 200 flows into each of the multiple branch ducts 322 through the first main duct 321. When the air flow passes through the multiple branch ducts 322, the air flow can exchange heat with the condensed water 600 in the heat exchange cavity 100 through the multiple branch ducts 322. Thus, not only the air flow in the second air duct 300 exchanges heat with the condensed water 600, but also the area of contact with the condensed water 600 is increased, further improving the heat exchange efficiency with the condensed water 600 in the heat exchange cavity 100.

[0055] In some embodiments, as Figure 1As shown, a portion of the outer wall of the second air duct 300 forms a portion of the heat exchange chamber 100, and a portion of the heat exchange chamber 100 is configured to contact the condensed water 600. In other words, the inner wall surface forming the heat exchange chamber 100 is also the outer wall surface of the second air duct 300. After the condensed water 600 generated by the heat exchanger 500 enters the heat exchange chamber 100, the condensed water 600 will directly contact the inner wall surface of the heat exchange chamber 100. In other words, the condensed water 600 can directly contact the outer wall surface of the second air duct 300, so that the airflow in the second air duct 300 can exchange heat with the condensed water 600.

[0056] In some embodiments, as Figure 1 As shown, the outer wall of the second air duct 300 forms a part of the housing 400. That is, the housing 400 and the second air duct 300 are integrally formed, which not only enables the condensed water 600 to directly contact the outer wall of the second air duct 300, but also reduces structural redundancy.

[0057] For example, Figure 1 As shown, a cavity is formed inside the bottom plate 410 of the housing 400, and the cavity forms the second air duct 300 through which air can pass. One end of the cavity is connected to the outside, and the other end of the cavity is connected to the first air duct 200.

[0058] In some embodiments, as Figure 1 and Figure 3 As shown, multiple protrusions 411 are formed on this portion of the housing 400, and the multiple protrusions 411 protrude toward the inside of the heat exchange chamber 100. In other words, the multiple protrusions 411 are provided on the inner wall surface of the second air duct 300, which forms a portion of the housing 400. This increases the contact area between this portion of the housing 400 and the condensed water 600, thereby improving the heat exchange efficiency between the airflow and the condensed water 600 when the airflow passes through this portion of the second air duct 300.

[0059] For example, Figure 1 As shown, the heat exchange chamber 100 is formed at the bottom of the accommodation space defined by the shell 400. A plurality of protrusions 411 are provided on the inner wall surface of the bottom plate 410 of the shell 400. The interior of the bottom plate 410 of the shell 400 forms a part of the second air duct 300.

[0060] like Figure 4As shown, the air conditioner indoor unit further comprises a water pan 510, the water pan 510 is arranged at the bottom of the heat exchanger 500, so as to collect the condensed water 600, the water pan 510 is communicated with the heat exchange cavity 100. After the heat exchanger 500 and the airflow heat exchange, the surface of the heat exchanger 500 will condense the condensed water 600, the condensed water 600 will drip from the surface of the heat exchanger 500 after gathering a certain amount, and be collected by the water pan 510 at the bottom of the heat exchanger 500. The condensed water 600 enters the heat exchange cavity 100 through the water pan 510. Thus, the condensed water 600 condensed on the heat exchanger 500 is conveniently collected, and the practicability is improved.

[0061] In some embodiments, as shown in Figure 4 As shown, the water pan 510 is provided with two water outlets 511, each water outlet 511 is arranged on one side of the water pan 510 in the transverse direction, and the first air duct 200 is located between the two water outlets 511 in the left-right direction.

[0062] The air conditioner indoor unit further comprises two drain pipes 520, one end of one drain pipe 520 is communicated with one water outlet 511, the other end of the one drain pipe 520 is communicated with the heat exchange cavity 100, and one end of the other drain pipe 520 is communicated with the other water outlet 511, and the other end of the other drain pipe 520 is communicated with the heat exchange cavity 100.

[0063] That is, the two drain pipes 520 are located on the left and right sides of the first air duct 200 in the left-right direction, so as to avoid the interference of the two drain pipes 520 with the normal air outlet of the first air duct 200. And the two drain pipes 520 provide the condensed water 600 to the heat exchange cavity 100 respectively, so that the condensed water 600 can enter the heat exchange cavity 100 more uniformly, and thus the heat exchange efficiency is further improved.

[0064] Further, the two drain pipes 520 are provided with valve bodies 521, so as to conveniently control the disconnection or communication of the two drain pipes 520 and the containing cavity 300.

[0065] In some embodiments, the first air duct 200 is provided with an air inlet 220, the second air duct 300 is communicated with the first air duct 200 through the air inlet 220, and the air inlet 220 extends in the left-right direction. Thus, the airflow can enter the second air duct 300 more uniformly.

[0066] In some embodiments, as shown in Figure 6 As shown, the second air outlet 310 is provided with an air deflector 330, the extension direction of the air deflector 330 is consistent with the left-right direction, and the air deflector 330 is rotatably connected with the shell 400, so that the air deflector 330 can swing in the vertical direction, thereby realizing the vertical guiding of the air outlet of the second air outlet 310.

[0067] In some embodiments, as shown in Figs. 1 and 2, the second air outlet 310 is provided with a set of air deflectors 330, which includes a plurality of air deflectors 330 arranged at the second air outlet 310 in the left-right direction. Each air deflector 330 is swingably connected to the outer shell 400 in the left-right direction, so as to guide the air flow of the second air outlet 310 in the left-right direction.

[0068] In some embodiments, as shown in Figs. 1 and 2, the second air outlet 310 is provided with a set of air deflectors 330, which includes a plurality of air deflectors 330 arranged at the second air outlet 310 in the left-right direction. Each air deflector 330 is swingably connected to the outer shell 400 in the left-right direction, so as to guide the air flow of the second air outlet 310 in the left-right direction. Figure 1 and Figure 5 In some embodiments, as shown in Figs. 1 and 2, the second air outlet 310 is provided with a set of air deflectors 330, which includes a plurality of air deflectors 330 arranged at the second air outlet 310 in the left-right direction. Each air deflector 330 is swingably connected to the outer shell 400 in the left-right direction, so as to guide the air flow of the second air outlet 310 in the left-right direction.

[0069] The air conditioner of the embodiments of the present application comprises the air conditioner indoor unit of any of the embodiments.

[0070] The air conditioner indoor unit of the embodiments of the present application has the following advantages. The second air duct 300 is communicated with the first air duct 200, so that part of the air flow flowing through the first air duct 200 can flow into the second air duct 300. The air flow flowing into the second air duct 300 can exchange heat with the condensed water 600 in the heat exchange cavity 100 through the second air duct 300, so that the air flow flowing into the second air duct 300 can further absorb the cold energy of the condensed water 600, thereby improving the utilization rate of the refrigeration capacity of the air conditioner indoor unit of the embodiments of the present application.

[0071] It should be appreciated by those skilled in the art that, although the embodiments of the present application have been shown and described in detail herein, many other variations or modifications can be determined or deduced directly from the disclosure of the present application according to the principles of the present application without departing from the spirit and scope of the present application. Therefore, the scope of the present application should be understood and recognized as covering all such other variations or modifications.

Claims

1. An air conditioner indoor unit characterized by comprising: The air conditioner indoor unit comprises: a heat exchanger for exchanging heat with the air flow entering the air conditioner indoor unit and generating condensate water; a heat exchange cavity for collecting the condensate water; a first air duct and a second air duct, the outlet of the first air duct being a first air outlet, the first air duct being capable of passing the air flow; the second air duct being in communication with the first air duct, and the outlet of the second air duct being a second air outlet, the second air duct being configured such that at least a portion of the second air duct is capable of exchanging heat with the condensate water in the heat exchange cavity. 2.The indoor unit of the air conditioner according to claim 1, characterized by, Further comprising: an air outlet duct forming the second air duct, one end of the air outlet duct being in communication with the first air duct, and the other end of the air outlet duct penetrating through the air conditioner indoor unit so that the other end of the air outlet duct forms the second air outlet; a portion of the air outlet duct being arranged in the heat exchange cavity so that the portion of the air outlet duct is capable of exchanging heat with the condensate water in the heat exchange cavity.

3. The air conditioner indoor unit according to claim 2, wherein the air outlet duct comprises a first main duct, branch ducts and a second main duct, the first main duct being in communication with the first air duct; the branch ducts are a plurality of branch ducts, the plurality of branch ducts being in communication with the first main duct and the second main duct, and the plurality of branch ducts being arranged in the heat exchange cavity and spaced apart in the transverse direction; the second main duct penetrates to the outside of the air conditioner indoor unit, and the outlet of the second main duct forms the second air outlet.

4. The air conditioner indoor unit according to claim 1, wherein a portion of the outer wall of the second air duct forms a portion of the heat exchange cavity, and the portion of the heat exchange cavity is configured to be in contact with the condensate water. 5.The indoor unit of the air conditioner according to claim 4, characterized in that, Further comprising: a housing in which the heat exchanger and the first air duct are arranged, and the outlet of the first air duct penetrates through the housing to form the first air outlet; the outer wall of the second air duct forms a portion of the housing. 6.The indoor unit of the air conditioner according to claim 5, characterized in that, a plurality of protrusions are formed on the portion of the housing, and the plurality of protrusions protrude towards the inside of the heat exchange cavity. 7.The indoor unit of the air conditioner according to claim 1, characterized by, Further comprising: a water collecting tray arranged at the bottom of the heat exchanger to collect the condensate water; the water collecting tray is in communication with the heat exchange cavity.

8. The air conditioner indoor unit according to claim 7, wherein two water outlets are arranged on the water collecting tray, each of the water outlets being arranged on one side of the water collecting tray in the transverse direction, and the first air duct is located between the two water outlets in the transverse direction; the air conditioner indoor unit further comprises two drain ducts, one end of one of the drain ducts being in communication with one of the water outlets, and the other end of the one of the drain ducts being in communication with the heat exchange cavity, and one end of the other of the drain ducts being in communication with the other of the water outlets, and the other end of the other of the drain ducts being in communication with the heat exchange cavity. 9.The indoor unit of the air conditioner according to claim 1, characterized by, an air inlet is arranged on the first air duct, and the second air duct is in communication with the first air duct through the air inlet, and the air inlet extends in the transverse direction.

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

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