Air conditioner indoor unit and air conditioner

Abstract

The application discloses an air conditioner indoor unit and an air conditioner, and relates to the technical field of air conditioners, in particular to an air conditioner indoor unit and an air conditioner. The air conditioner indoor unit comprises a casing, an installation space is formed in the casing, a water injection opening and a movable cover for opening or closing the water injection opening are arranged on the casing, a water tank is arranged in the installation space, an opening is arranged on the water tank and communicates with the water injection opening, a heat exchanger is arranged in the installation space, and a spraying device is connected with the water tank and used for spraying water to the heat exchanger. The air conditioner indoor unit has the advantages that the water injection opening and the movable cover for opening or closing the water injection opening are arranged on the casing and communicate with the opening of the water tank, water can be added to the water tank through the water injection opening by only opening the movable cover, the water tank does not need to be disassembled during the whole water adding process, the water adding operation is relatively simple, and the cost is relatively low.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and in particular to an indoor air conditioning unit and an air conditioner. Background Technology

[0002] In related technologies, in air conditioner indoor units with humidification functions, when water needs to be added, the user must first remove the water tank from the indoor unit, add water to the tank, and then reinstall the water tank to achieve the purpose of adding water. However, since adding water requires disassembling the water tank, the operation is relatively cumbersome and inconvenient to use. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one object of the present invention is to provide an indoor air conditioning unit that does not require disassembly of the water tank when adding water, making the water adding operation more convenient.

[0004] The present invention also aims to provide an air conditioner that utilizes the above-described indoor air conditioning unit.

[0005] An indoor air conditioning unit according to an embodiment of the present invention includes: a housing, wherein an installation space is formed inside the housing, and the housing is provided with a water inlet communicating with the installation space and a movable cover for opening or closing the water inlet; a water tank, wherein the water tank is disposed within the installation space and has an opening communicating with the water inlet; a heat exchanger, wherein the heat exchanger is disposed within the installation space; and a spraying device, wherein the spraying device is connected to the water tank for spraying water onto the heat exchanger.

[0006] According to an embodiment of the present invention, the indoor unit of the air conditioner has a water inlet on the casing that communicates with the opening of the water tank and a movable cover for opening or closing the water inlet. Water can be added to the water tank through the water inlet simply by opening the movable cover. The entire water filling process does not require disassembling the water tank, making the water filling operation simple and the cost relatively low.

[0007] In some embodiments of the present invention, the housing includes a chassis and a face frame disposed on the chassis, the face frame and the chassis defining the installation space, and the water inlet is disposed on the top or side surface of the face frame.

[0008] In some embodiments of the present invention, the housing further includes a front panel disposed on the faceplate, and the water inlet is disposed on the front panel.

[0009] In some embodiments of the present invention, the movable cover is slidably disposed on the housing to open or close the water inlet by sliding.

[0010] In some embodiments of the present invention, a water intake section is provided within the installation space, the water intake section being located between the water inlet and the opening, for guiding the injected water into the opening.

[0011] In some embodiments of the present invention, a water intake channel is formed inside the water intake part, one end of the water intake channel is connected to the water inlet, and the other end is connected to or extends into the opening.

[0012] In some embodiments of the present invention, the water channel has an inlet end communicating with the water inlet and an outlet end communicating with the opening, wherein the width of the inlet end is greater than the width of the outlet end.

[0013] In some embodiments of the present invention, the water intake section and the housing are integrally formed.

[0014] In some embodiments of the present invention, the spraying device includes: a water pump connected to the water tank via a pipe; and a spray plate connected to the water pump via a pipe, the spray plate being disposed on the heat exchanger and extending along the length of the heat exchanger.

[0015] In some embodiments of the present invention, the spray plate has a spray chamber inside and a plurality of spray holes, which are spaced apart along the length of the spray plate.

[0016] In some embodiments of the present invention, an angle is formed between the line connecting the centers of the plurality of spray holes and the lower surface of the spray chamber, and the distance between the plurality of spray holes and the lower surface of the spray chamber gradually increases in the direction away from the water pump.

[0017] In some embodiments of the present invention, the included angle ranges from 0 to 5 degrees.

[0018] In some embodiments of the present invention, the heat exchanger is provided with fins, and the spray plate is used to spray water onto the fins.

[0019] An air conditioner according to an embodiment of the present invention includes the air conditioner indoor unit described above.

[0020] According to an embodiment of the present invention, the air conditioner does not require disassembling the water tank during the entire water filling process of the indoor unit, making the water filling operation simple and the cost relatively low.

[0021] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0023] Figure 1 This is a partial structural schematic diagram of the indoor unit of the air conditioner in an embodiment of the present invention;

[0024] Figure 2 This is a three-dimensional structural diagram of the indoor unit of the air conditioner in an embodiment of the present invention;

[0025] Figure 3 yes Figure 2 A schematic diagram showing the section cut along line AA.

[0026] Figure 4 yes Figure 2 A schematic diagram showing the section cut along line BB.

[0027] Figure 5 yes Figure 4 A magnified view of a portion of point V;

[0028] Figure 6 yes Figure 4 A magnified view of section VI;

[0029] Figure 7 yes Figure 1 A magnified view of section VII.

[0030] Figure label:

[0031] 100. Air conditioner indoor unit;

[0032] 10. Housing;

[0033] 10a. Installation space; 10b. Water inlet;

[0034] 110. Chassis; 120. Front panel;

[0035] 20. Water tank; 20a. Open;

[0036] 30. Heat exchanger;

[0037] 40. Sprinkler device; 410. Water pump; 420. Sprinkler plate; 4201. Sprinkler plate body; 4202. Cover plate; 420a. Sprinkler hole; 401. Pipeline;

[0038] 50. Movable cover; 50a. Protrusion;

[0039] 60. Water diversion section;

[0040] 60a. Water diversion channel; 60b. Sluice box;

[0041] 601, First sidewall; 6011, Arc-shaped portion; 6012, First vertical portion;

[0042] 602, Second sidewall; 6021, Second vertical part; 6022, Inclined part. Detailed Implementation

[0043] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0044] The following is for reference. Figures 1-7 This describes an indoor air conditioning unit 100 according to an embodiment of the present invention.

[0045] like Figure 1 , Figure 2 As shown, the indoor unit 100 of the air conditioner according to an embodiment of the present invention includes: a casing 10, a water tank 20, a heat exchanger 30, and a spray device 40.

[0046] The casing 10 has an installation space 10a inside. The casing 10 is provided with a water inlet 10b that communicates with the installation space 10a and a movable cover 50 for opening or closing the water inlet 10b. The water tank 20 is located in the installation space 10a and has an opening 20a that communicates with the water inlet 10b. The heat exchanger 30 is located in the installation space 10a. The spray device 40 is connected to the water tank 20 and is used to spray water onto the heat exchanger 30.

[0047] The indoor unit 100 of the air conditioner can achieve the humidification function through the cooperation of the water tank 20, the spray device 40, and the heat exchanger 30. The heat exchanger 30 can specifically refer to the evaporator. When it is necessary to replenish the consumed water, simply open the movable cover 50 to open the water inlet 10b, and water can be added into the opening 20a through the water inlet 10b to replenish the water tank 20.

[0048] It should be noted that the air conditioner indoor unit 100 also includes a fan assembly and an electrical control box assembly disposed within the installation space 10a, as well as an air guide plate assembly, an air outlet frame assembly, a filter assembly, etc., disposed on the casing 10. The structure and installation position of the above components can refer to the prior art, and will not be described in detail here. Furthermore, the air conditioner indoor unit 100 of this embodiment can be a wall-mounted unit, a floor-standing unit, a ceiling-mounted unit, a ducted unit, etc., and no specific limitations are made here.

[0049] According to an embodiment of the present invention, the indoor unit 100 of the air conditioner has a water inlet 10b on the casing 10 that communicates with the opening 20a of the water tank 20, and a movable cover 50 for opening or closing the water inlet 10b. Water can be added to the water tank 20 by simply opening the movable cover 50 through the water inlet 10b. The water tank 20 does not need to be disassembled during the entire water filling process. The water filling operation is relatively simple and the cost is relatively low.

[0050] In some embodiments of the present invention, such as Figure 2 , Figure 4 , Figure 5 As shown, the housing 10 includes a chassis 110 and a face frame 120 mounted on the chassis 110. The face frame 120 and the chassis 110 define an installation space 10a. A water inlet 10b is located on the top or side surface of the face frame 120. Assuming the side of the housing 10 facing the user is the front, the top surface of the face frame 120 can refer to the upper end face, and the side face can refer to the left and right end faces. In this case, the water inlet 10b can be located on the top surface of the face frame 120, so that the user can add water to the water tank 20 from above. Alternatively, the water inlet 10b can also be located on the left or right side face of the face frame 120, so that the user can add water to the water tank 20 from the left or right side.

[0051] In other words, by placing the water inlet 10b on the top or side of the faceplate 120, the movable cover 50 for opening or closing the water inlet 10b can be well hidden, making it difficult for users to notice the movable cover 50 from the front, which helps to ensure the overall aesthetics of the machine.

[0052] The chassis 110 serves as the base for the indoor unit 100 of the air conditioner, supporting the entire unit. Specifically, when the indoor unit 100 is a wall-mounted unit, the chassis 110 can be installed on the wall; when the indoor unit 100 is a floor-standing unit, the chassis 110 can be placed on the ground.

[0053] It should be noted that in the description of the present invention, "above", "over" and "on top" of the first feature and the second feature include the first feature being directly above and diagonally above the second feature, or simply indicating that the first feature is at a higher horizontal level than the second feature.

[0054] In some embodiments of the present invention, the housing 10 further includes a front panel disposed on the faceplate 120, and the water inlet 10b is disposed on the front panel. The front panel is positioned facing the user, and the water inlet 10b can be disposed on the front panel, that is, the user can add water to the water tank 20 from the front. By placing the water inlet 10b on the front panel, adding water can be made more convenient.

[0055] In some embodiments of the present invention, such as Figure 2As shown, the movable cover 50 is slidably mounted on the housing 10 to open or close the water inlet 10b by sliding. When water needs to be added, the user can push the movable cover 50 to slide on the housing 10 to open the water inlet 10b. After adding water, the user can pull the movable cover 50 back to close the water inlet 10b. This method makes opening and closing the movable cover 50 simple and convenient.

[0056] In some embodiments of the present invention, the faceplate 120 or the front panel may be provided with a slide rail, and the movable cover 50 is slidably fitted on the slide rail. Specifically, the slide rail may be provided on both sides of the sliding direction of the movable cover 50, which can limit the two sides of the movable cover 50 and improve the sliding reliability of the movable cover 50.

[0057] In some embodiments of the present invention, such as Figure 4 , Figure 5 As shown, a water inlet 60 is provided within the installation space 10a. The water inlet 60 is located between the water inlet 10b and the opening 20a, and is used to guide the injected water into the opening 20a. The water inlet 60 plays a diversion role, diverting the water added through the water inlet 10b into the opening 20a, thereby reducing the positional requirements of the water inlet 10b and the opening 20a, and reducing the manufacturing difficulty of the entire machine.

[0058] In some embodiments of the present invention, such as Figure 5 As shown, a water intake channel 60a is formed inside the water intake section 60. One end of the water intake channel 60a is connected to the water inlet 10b, and the other end is connected to or extends into the opening 20a. That is to say, the water intake section 60 is constructed as a shell, and water flows along the internal water intake channel 60a to prevent water from falling outside the water intake section 60 during the water intake process.

[0059] In some embodiments of the present invention, the water inlet channel 60a has an inlet end (not shown) connected to the water inlet 10b and an outlet end (not shown) connected to the opening 20a, with the width of the inlet end being greater than the width of the outlet end. This wider inlet end facilitates water intake, making water filling easier and improving water filling efficiency.

[0060] In some embodiments of the present invention, such as Figure 5 As shown, the water inlet channel 60a has a first sidewall 601 and a second sidewall 602. The first sidewall 601 includes an arcuate portion 6011 and a first vertical portion 6012, with the arcuate portion 6011 located above the first vertical portion 6012. The second sidewall 602 includes a second vertical portion 6021 and an inclined portion 6022, with the second vertical portion 6021 located above the inclined portion 6022. The arcuate portion 6011 and the second vertical portion 6021 together define the water inlet end, and the arcuate portion 6011 can guide the water flow. The first vertical portion 6012 and the inclined portion 6022 together define the water outlet end, and the inclined portion 6022 can guide the water flow.

[0061] In some embodiments of the present invention, the water inlet 60 and the housing 10 are integrally formed, which reduces mold opening and improves production efficiency. The water inlet 10b is formed on the water inlet end of the water inlet channel 60a.

[0062] In a specific embodiment of the present invention, the water inlet 60 and the face frame 120 are integrally formed. Specifically, it can be understood that the water inlet 60 and the face frame 120 can be integrally injection molded, thus reducing the installation steps and improving the assembly efficiency during the assembly of the whole machine.

[0063] In specific embodiments of the present invention, such as Figure 5 As shown, a groove 60b is provided at the inlet of the water inlet channel 60a, and the edge of the movable cover 50 fits into the groove 60b to allow the movable cover 50 to slide. Specifically, the groove 60b can be provided on the left and right sides of the water inlet, and the left and right ends of the movable cover 50 are inserted into the grooves 60b on both sides, so the movable cover 50 can slide back and forth to open or close the water inlet 10b.

[0064] In specific embodiments of the present invention, such as Figure 5 As shown, the movable cover 50 has a protrusion 50a, which facilitates the user to push and pull the movable cover 50. The protrusion 50a can be constructed as a protrusion with a rounded transition. The user can slide the movable cover 50 by pushing and pulling the protrusion. The protrusion 50a can also be multiple protrusions, thus forming a relatively rough surface on the movable cover 50. When the user contacts the upper surface of the movable cover 50, the friction force can drive the movable cover 50 to slide.

[0065] In some embodiments of the present invention, such as Figure 1 As shown, the opening 20a is located at the top of the water tank 20. This ensures that the water tank 20 has a relatively large volume and can hold a lot of water.

[0066] In some embodiments of the present invention, such as Figure 1 As shown, the opening 20a extends along the length of the water tank 20, ensuring a relatively large size for easy water intake. Specifically, the length of the water tank 20 is the same as the width of the casing 10. In the description of this invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0067] In some embodiments of the present invention, such as Figure 1 As shown, the spray device 40 includes a water pump 410 and a spray plate 420. The water pump 410 is connected to the water tank 20 via a pipe 401; the spray plate 420 is connected to the water pump 410 via a pipe 401 and is mounted on the heat exchanger 30, extending along the length of the heat exchanger 30. When the water pump 410 is working, it draws water from the water tank 20 through the pipe 401 and then transports the water to the spray plate 420 through an external pipe 401. The spray plate 420 sprays the water onto the heat exchanger 30, where the heat from the heat exchanger 30 evaporates the water, forming water vapor. This vapor is then blown into the room by the fan assembly of the indoor air conditioning unit 100, thus humidifying the room. The spray method allows for a larger contact area between the water and the heat exchanger 30, maximizing the use of the heat exchanger 30 to generate more steam.

[0068] In some embodiments of the present invention, such as Figure 1 As shown, the water pump 410 is mounted on the water tank 20 and located adjacent to the water inlet 60, so that the internal structure is compact and space can be saved.

[0069] In some embodiments of the present invention, the water pump 410 is fixed to the water tank 20 by fasteners, thus forming an integral part for easy installation or disassembly. Specifically, the fasteners can be screws or bolts. For example, the water tank 20 has threaded holes, and the water pump 410 has threaded seats. The screws or bolts pass through the threaded seats and engage in the threaded holes. This threaded connection method provides a stable and reliable connection. The fasteners can also be snap-fit ​​components. For example, the water tank 20 has slots, and the water pump 410 has snap-fit ​​components. The snap-fit ​​components engage with the slots to connect the water tank 20 and the water pump 410. This snap-fit ​​connection method makes disassembly or installation more convenient and efficient.

[0070] In some embodiments of the present invention, such as Figure 6 , Figure 7 As shown, the spray plate 420 has a spray chamber (not shown) inside, and the spray plate 420 has multiple spray holes 420a, which are spaced apart along the length of the spray plate 420. The spray chamber can be filled with water, so that the water is distributed along the length of the heat exchanger 30. The water can be evenly sprayed onto the heat exchanger 30 through the multiple spray holes 420a, increasing the contact surface between the water and the heat exchanger 30. In the description of this invention, "multiple" means two or more.

[0071] In some embodiments of the present invention, such as Figure 6As shown, the line connecting the centers of the multiple spray holes 420a forms an angle with the lower surface of the spray chamber, and the distance between the multiple spray holes 420a and the lower surface of the spray chamber gradually increases in the direction away from the water pump 410. In this way, water can be ensured to flow from the inlet end of the spray plate 420 to the end, so that water is sprayed out at the end of the spray plate 420.

[0072] In some embodiments of the present invention, the included angle ranges from 0 to 5 degrees. For example, as... Figure 6 As shown, the included angle is set to α. The value of α can be any value among 1 degree, 2 degrees, 3 degrees, and 4 degrees, and can be set specifically according to the situation. Of course, the above is just an example. The value of α only needs to be within the range of 0 to 5 degrees, which will not be elaborated here.

[0073] In some embodiments of the present invention, such as Figure 7 As shown, the spray plate 420 includes a spray plate body 4201 and a cover plate 4202. The cover plate 4202 is detachably disposed on the spray plate body 4201 to define the spray chamber, and a plurality of spray holes 420a are disposed on the spray plate body 4201. By configuring the spray plate 420 as a separate, detachable spray plate body 4201 and cover plate 4202, the cover plate 4202 can be opened to clean or remove impurities from the spray plate 420.

[0074] In some embodiments of the present invention, the heat exchanger 30 is provided with fins, and the spray plate 420 is used to spray water onto the fins. Since the finned heat exchanger 30 has a large surface area, it can achieve water evaporation over a large area, and humidification can be achieved by using the fins, which is also relatively low in cost.

[0075] In some embodiments of the present invention, the spray plate 420 is disposed above the topmost fin. When the spray plate 420 sprays water, the water can flow down from the topmost fin and then pass through the lower fin, ensuring that all fins can be fully utilized.

[0076] In some embodiments of the present invention, the length of the spray plate 420 is equal to the length of the fins.

[0077] In some embodiments of the present invention, the water tank 20 and the heat exchanger 30 are arranged along the length of the casing 10, and the water tank 20 and the heat exchanger 30 are arranged adjacent to each other. That is, the water tank 20 and the heat exchanger 30 are arranged compactly, which can save internal space of the air conditioning indoor unit 100.

[0078] In some embodiments of the present invention, the water tank 20 may be located on the left side of the housing 10 and adjacent to the heat exchanger 30. Correspondingly, the water inlet 10b and the movable cover 50 may be located on the top surface of the housing 10, or the water inlet 10b and the movable cover 50 may be located on the left side of the housing 10.

[0079] In some embodiments of the present invention, the water tank 20 may be located on the right side of the housing 10 and adjacent to the heat exchanger 30. Correspondingly, the water inlet 10b and the movable cover 50 may be located on the top surface of the housing 10, or the water inlet 10b and the movable cover 50 may be located on the right side of the housing 10.

[0080] A specific embodiment of the air conditioner indoor unit 100 of the present invention will now be described with reference to the accompanying drawings.

[0081] like Figures 1 to 7 As shown, the indoor unit 100 of the air conditioner includes a casing 10, a water tank 20, a heat exchanger 30, a spray device 40, and a water inlet 60.

[0082] The housing 10 has an installation space 10a inside, and the housing 10 is provided with a water inlet 10b that communicates with the installation space 10a and a movable cover 50 for opening or closing the water inlet 10b.

[0083] The housing 10 includes a chassis 110, a front frame 120, and a front panel. The front frame 120 is located on the chassis 110. The front frame 120 and the chassis 110 define an installation space 10a. The water inlet 10b is located on the top surface of the front frame 120.

[0084] The movable cover 50 is slidably disposed on the face frame 120 to open or close the water inlet 10b by sliding.

[0085] The water tank 20 is located in the installation space 10a, and the water tank 20 has an opening 20a that communicates with the water inlet 10b.

[0086] The water intake section 60 is located within the installation space 10a and between the water inlet 10b and the opening 20a, and is used to guide the injected water into the opening 20a.

[0087] The water intake section 60 has a water intake channel 60a inside. One end of the water intake channel 60a is connected to the water inlet 10b, and the other end is connected to or extends into the opening 20a. The water intake channel 60a has an inlet end connected to the water inlet 10b and an outlet end connected to the opening 20a. The width of the inlet end is greater than the width of the outlet end.

[0088] The water intake section 60 and the face frame 120 are integrally formed.

[0089] The water inlet channel 60a has a first sidewall 601 and a second sidewall 602. The first sidewall 601 includes an arcuate portion 6011 and a first vertical portion 6012, with the arcuate portion 6011 located above the first vertical portion 6012. The second sidewall 602 includes a second vertical portion 6021 and an inclined portion 6022, with the second vertical portion 6021 located above the inclined portion 6022. The arcuate portion 6011 and the second vertical portion 6021 together define the water inlet end, and the arcuate portion 6011 can guide the water flow. The first vertical portion 6012 and the inclined portion 6022 together define the water outlet end, and the inclined portion 6022 can guide the water flow.

[0090] The heat exchanger 30 is located in the installation space 10a. The heat exchanger 30 is a finned heat exchanger with fins on it.

[0091] The spray device 40 is connected to the water tank 20 and is used to spray water onto the fins of the heat exchanger 30.

[0092] The spraying device 40 includes a water pump 410 and a spray plate 420. The water pump 410 is connected to the water tank 20 through a pipe 401. The spray plate 420 is connected to the water pump 410 through a pipe 401. The spray plate 420 is installed on the heat exchanger 30 and extends along the length of the heat exchanger 30.

[0093] The spray plate 420 has a spray chamber inside and multiple spray holes 420a, which are spaced apart along the length of the spray plate 420.

[0094] The line connecting the centers of the multiple spray holes 420a is at an angle of 3 degrees to the lower surface of the spray chamber, and the distance between the multiple spray holes 420a and the lower surface of the spray chamber gradually increases in the direction away from the water pump 410.

[0095] An air conditioner according to an embodiment of the present invention includes the aforementioned indoor unit 100.

[0096] According to the air conditioner of the present invention, the indoor unit 100 of the air conditioner does not require disassembly of the water tank 20 during the entire water filling process, making the water filling operation simple and the cost relatively low.

[0097] Other configurations and operations of the air conditioner indoor unit 100 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0098] In the description of this specification, references to terms such as "some embodiments," "optionally," "furthermore," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0099] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air conditioner indoor unit characterized by comprising: include: The housing has an internal installation space, and the housing is provided with a water inlet communicating with the installation space and a movable cover for opening or closing the water inlet; A water tank is provided within the installation space, and the water tank has an opening that communicates with the water inlet; A heat exchanger, wherein the heat exchanger is disposed within the installation space; A spraying device, which is connected to the water tank, is used to spray water onto the heat exchanger; The spraying device includes: a water pump connected to the water tank via a pipe; and a spray plate connected to the water pump via a pipe, the spray plate being disposed on the heat exchanger and extending along the length of the heat exchanger. The spray plate has a spray chamber inside and a plurality of spray holes, which are spaced apart along the length of the spray plate. An angle is formed between the line connecting the centers of the plurality of spray holes and the lower surface of the spray chamber, and the distance between the plurality of spray holes and the lower surface of the spray chamber gradually increases in the direction away from the water pump.

2. The indoor unit of the air conditioner according to claim 1, characterized in that, The housing includes a chassis and a face frame disposed on the chassis. The face frame and the chassis define the installation space, and the water inlet is disposed on the top or side of the face frame.

3. The indoor unit of the air conditioner according to claim 2, characterized in that, The housing also includes a front panel disposed on the faceplate, and the water inlet is disposed on the front panel.

4. The indoor unit of the air conditioner according to claim 1, characterized in that, The movable cover is slidably mounted on the housing to open or close the water inlet by sliding.

5. The indoor unit of the air conditioner according to claim 1, characterized in that, The installation space is provided with a water intake section, which is located between the water inlet and the opening, and is used to guide the injected water into the opening.

6. The indoor unit of the air conditioner according to claim 5, characterized in that, The water intake section has a water intake channel inside, one end of which is connected to the water inlet, and the other end is connected to or extends into the opening.

7. The indoor unit of the air conditioner according to claim 6, characterized in that, The water intake channel has an inlet end connected to the water inlet and an outlet end connected to the opening, wherein the width of the inlet end is greater than the width of the outlet end.

8. The indoor unit of the air conditioner according to claim 5, characterized in that, The water intake section and the casing are integrally formed.

9. The indoor unit of the air conditioner according to claim 1, characterized in that, The included angle ranges from 0 to 5 degrees.

10. The indoor unit of the air conditioner according to claim 1, characterized in that, The heat exchanger is provided with fins, and the spray plate is used to spray water onto the fins.

11. An air conditioner, characterized in that, Including the indoor unit of an air conditioner according to any one of claims 1 to 10.

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