indoor unit

Abstract

The application discloses an indoor unit, comprising a shell, a partition plate, a fan assembly arranged in a fan cavity, a heat exchange assembly arranged in the fan cavity, and at least one air guide structure arranged in the fan cavity. The partition plate is arranged in the shell, and divides a space in the shell into the fan cavity and a heat exchange cavity; the air guide structure is detachably connected with the fan assembly, and defines an air guide opening connecting an air outlet of the fan assembly with the heat exchange cavity. The application can reduce production cost.

Description

Technical Field

[0001] This application relates to the field of fan technology, and more particularly to an indoor unit. Background Technology

[0002] In indoor fan units, the design of the air duct affects the airflow and heat exchange during operation, thus impacting performance. Common technologies involve manufacturing the fan casing and air guide structure as a single piece. However, this design lacks flexibility, making it difficult to adjust the airflow angle. Adjusting the duct structure to ensure adequate airflow and heat exchange requires modifying or replacing the entire fan casing, leading to higher costs. Utility Model Content

[0003] The technical problem to be solved by this application is to provide an improved indoor unit, addressing the deficiencies of the related technologies mentioned in the background section.

[0004] The technical solution adopted by this application to solve its technical problem is: constructing an indoor unit, including:

[0005] case;

[0006] A partition is disposed inside the housing to divide the space inside the housing into a fan chamber and a heat exchange chamber;

[0007] A fan assembly is disposed within the fan cavity;

[0008] A heat exchange assembly is disposed within the heat exchange chamber;

[0009] At least one air guide structure is disposed within the housing, detachably connected to the fan assembly, and defines an air guide port that connects the air outlet of the fan assembly to the heat exchange chamber.

[0010] In some embodiments, the air outlet side cross-sectional dimension of the air guide is larger than the air inlet side cross-sectional dimension of the air guide.

[0011] In some embodiments, the fan assembly includes at least one fan; at least one connection port is defined on the partition; the air guide structure is connected to the air outlet of the fan and is connected to the heat exchange chamber through the connection port.

[0012] In some embodiments, the air guide structure is disposed inside the fan cavity, with one side connected to the partition plate around the connection port and the other side connected to the fan;

[0013] Alternatively, the air guide structure is disposed inside the heat exchange chamber, one side of which is connected to the partition plate around the connection port, and is connected to the air outlet of the fan through the connection port;

[0014] Alternatively, the air guide structure may be inserted into the connection port and located on one side of the fan cavity, connected to the fan.

[0015] In some embodiments, the fan includes a volute and a rotor; the volute includes a main body and a tubular extension connected to the main body; the rotor is rotatably disposed within the main body, and the extension at least partially extends into the air guide.

[0016] In some embodiments, the air guide structure is disposed inside the fan cavity, with one side connected to the partition plate around the connection port and the other side connected to the fan;

[0017] The air guiding structure includes a first air guiding member forming at least a portion of the opening wall of the air guiding port; a limiting groove is defined on the volute, and the side of the first air guiding member away from the partition is at least partially detachably confined within the limiting groove.

[0018] In some embodiments, the volute further includes a mating portion protruding between the main body and the extension; the mating portion and the extension together define the limiting groove.

[0019] In some embodiments, the air guiding structure further includes a second air guiding member forming part of the air guiding port wall, the first air guiding plate and the second air guiding member being disposed opposite to each other; the second air guiding member is disposed between the partition and the mating part along the air guiding direction, and the side near the mating part is detachably fitted to the mating part.

[0020] In some embodiments, the fan includes a volute and a rotor; the volute includes a main body and a mating part connected to the main body; the rotor is rotatably disposed within the main body.

[0021] The air guide structure is disposed inside the fan cavity, with one side connected to the partition plate around the connection port and the other side connected to the fan;

[0022] The air guide structure includes a mounting component, which is partially detachably attached to the side of the partition facing the fan cavity and partially detachably connected to the mating part.

[0023] In some embodiments, the mounting component includes a first air guide portion, a second air guide portion, and an annular plate-shaped mounting portion; the mounting portion is detachably attached to the side of the partition facing the fan cavity; the first air guide portion and the second air guide portion are disposed on opposite sides of the mounting portion, extending from the mounting portion toward the mating portion, and the side away from the mounting portion is detachably attached to the mating portion.

[0024] By implementing this application, the following beneficial effects can be achieved:

[0025] This application allows the air guide structure 10 and the fan assembly to be detachably connected, so that the air guide structure 10 and the fan assembly can be manufactured separately, thereby simplifying the production process, reducing production costs, and improving production efficiency.

[0026] The detachable air guide structure and fan assembly enhance the flexibility of fan applications. For indoor units requiring different air outlet angles, only the structure or angle of the air guide structure needs to be adjusted or replaced, without needing to adjust or replace the entire fan. This facilitates modular manufacturing, reduces costs, and improves efficiency. Attached Figure Description

[0027] The present application will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0028] Figure 1 This is a schematic diagram of the structure of the indoor unit in one embodiment of this application;

[0029] Figure 2 yes Figure 1 The diagram shows the structure of the indoor unit from another angle;

[0030] Figure 3 yes Figure 1 The diagram shows the internal structure of the indoor unit.

[0031] Figure 4 yes Figure 1 The diagram shows a longitudinal cross-sectional view of the indoor unit.

[0032] Figure 5 yes Figure 1 The exploded view shows the air guide structure and fan in the indoor unit;

[0033] Figure 6 yes Figure 1 The diagram shows the air guide structure and longitudinal cross-sectional structure of the fan in the indoor unit.

[0034] Figure 7 yes Figure 6 A magnified view of part N in the image;

[0035] Figure 8 yes Figure 6 A schematic diagram of the longitudinal cross-sectional structure of the air guide structure shown.

[0036] Figure 9 yes Figure 6 A schematic diagram of the transverse cross-sectional structure of the air guide structure shown.

[0037] Figure 10 yes Figure 9A magnified view of part P in the image. Detailed Implementation

[0038] To provide a clearer understanding of the technical features, objectives, and effects of this application, the specific embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0040] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and 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, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0041] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "connected," "linked," "located in," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or a chemical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0042] Figures 1 to 4 An indoor unit according to one embodiment of this application is shown, which can cooperate with an outdoor unit to form a heat exchange circulation system to achieve cooling or heating effects on the indoor environment. The indoor unit includes a housing 20, a partition 30, a fan assembly 40, a heat exchange assembly 50, and at least one air guide structure 10.

[0043] The housing 20 is hollow inside, housing the air guide structure 10, the partition 30, the fan assembly 40, and the heat exchange assembly 50. The partition 30 is disposed within the housing 20, dividing the space into a fan chamber 21 and a heat exchange chamber 22. The fan assembly 40 is disposed within the fan chamber 21 to generate airflow for heat exchange. The heat exchange assembly 50 is disposed within the heat exchange chamber 22 to exchange heat with the flowing gas, thereby achieving a cooling or heating effect. The air guide structure 10 is disposed between the heat exchange assembly 50 and the fan assembly 40 to direct the airflow generated by the fan assembly 40 to the heat exchange assembly 50 for heat exchange.

[0044] like Figure 1 and Figure 2 As shown, the housing 20 can be a longitudinally elongated rectangular shape with a hollow interior. The partition 30 is also longitudinally elongated rectangular, extending along the length and thickness of the housing 20, so as to divide the space inside the housing 20 into two adjacent and longitudinally elongated fan chambers 21 and heat exchange chambers 22.

[0045] Of course, the shell 20 can also be configured as a cylindrical, elliptical, semi-circular, polygonal, irregular, polygonal, or other irregular shapes. The shape of the partition 30 can be adjusted accordingly to accommodate changes in the shape of the shell 20. No specific limitations are imposed here.

[0046] The housing 20 may also define an air inlet window 23 and an air outlet window 24. The air inlet window 23 connects the fan chamber 21 to the outside, so that the fan assembly 40 can draw in outside air through the air inlet window 23. The air outlet window 24 connects the heat exchange chamber 22 to the outside, so that the airflow after passing through the heat exchange assembly 50 can flow out of the housing 20 through the air outlet window 24.

[0047] Specifically, please refer to the following: Figure 3 and Figure 4 The air inlet window 23 is located on the side of the fan chamber 21 away from the partition 30, and the air outlet window 24 is located on the side of the heat exchange chamber 22 away from the partition 30. That is, the air inlet window 23 and the air outlet window 24 are located on opposite sides of the housing 20. This arrangement facilitates the guidance of airflow, reduces airflow deflection within the housing 20, and minimizes the impact on the volume of circulating air and the heat exchange capacity.

[0048] In some other embodiments, the air inlet window 23 and the air outlet window 24 may also be located on any other side of the housing 20, such as placing the air inlet window on the lower side of the fan cavity. By improving the layout and structural arrangement of the partition 30, fan assembly 40, heat exchange assembly 50 and air guide structure 10 within the housing 20, the air duct can be redirected.

[0049] For example Figure 1 and Figure 2 As shown, in some embodiments, the housing 20 may include a main body 201 and at least one mounting accessory 202. The main body 201 defines a fan chamber 21, a heat exchange chamber 22, an air inlet window 23, and an air outlet window 24. The mounting accessory 202 is disposed on the main body 201 for mounting the indoor unit to a wall in the room.

[0050] Specifically, the number of the mounting accessories 202 can be four, all located on the same side of the shell 20 in the thickness direction, and distributed at the four corners of the main body 201 along the length and width directions of the shell 20. This arrangement facilitates the installation of the indoor unit onto the top wall of the house, improving the stability of the installation.

[0051] It should be understood that the assembly 202 can adopt various connection structures such as anchors, hangers, expansion bolts, and stiffening plates, and no specific limitation is made here.

[0052] In some other embodiments, the number of the assembly 202 may also be one, two, three, five, etc.

[0053] It should be understood that the main body 201 can be made from a single structure in an integral molding manner, or it can be formed by multiple structures through various connection methods such as bolt connection, snap connection, thread connection, welding, etc., and can be detachably or non-detachably assembled. No specific limitation is made here.

[0054] like Figure 3 As shown, in some embodiments, the partition 30 defines at least one connection port 31 that connects the fan chamber 21 to the heat exchange chamber 22. The number of connection ports 31 can be adapted to the number of air guide structures 10 so that the air guide structures 10 can guide the airflow output by the fan assembly 40 from the connection port 31 to the heat exchange assembly 50 located in the heat exchange chamber 22.

[0055] It should be understood that the partition 30 can be detachably or non-detachably installed in the housing 20 through various methods such as bolt connection, snap connection, threaded connection, welding, integral molding, etc., without specific limitations.

[0056] See also Figure 4 In some embodiments, the heat exchange assembly 50 may include a water receiving tray 52 and at least one heat exchanger 51. Both the water receiving tray 52 and the heat exchanger 51 are disposed within the heat exchange chamber 22, with the heat exchanger 51 used to exchange heat with the flowing air. The water receiving tray 52 is disposed at the bottom end of the heat exchanger 51 and is used to receive condensate.

[0057] exist Figure 3In the illustrated embodiment, there is one heat exchanger 51, which is arranged in the shape of a longitudinally elongated rectangular plate, extending along the length of the housing 20. See also... Figure 4 The heat exchanger 51 is inclined in the width and thickness directions of the shell 20, and has an angle with the axis of the shell 20 in both the width and thickness directions.

[0058] By setting the heat exchanger 51 at an angle, boundary layer separation can be broken, dead zones in the airflow can be reduced, and heat exchange efficiency can be improved. At the same time, this setting also allows condensate to flow smoothly along the plate surface to the water collection tray 52 under the action of gravity, avoiding water accumulation in the heat exchanger 51 and improving the condensate drainage speed.

[0059] It should be understood that when there are multiple air guide structures 10 and multiple fans 41 in the fan assembly 40, the number of heat exchangers 51 can also be set to multiple. Each heat exchanger 51 can correspond one-to-one with an air guide structure 10 and a fan 41, or each heat exchanger 51 can correspond to at least two air guide structures 10 and fans 41, etc.

[0060] In some embodiments, the inclined lower side of the heat exchanger 51 may extend into the water receiving tray 52 to facilitate the collection of condensate and prevent leakage.

[0061] Specifically, taking the operating angle of the indoor unit after it is installed on the top wall of the house as a reference angle, the setting position of the heat exchange component 50 will be further explained. Figure 4 As shown, at this operating angle, the water receiving tray 52 is located on the side of the heat exchanger 51 furthest from the assembly 202. Along the width direction of the housing 20, the horizontal position of the side of the heat exchanger 51 furthest from the partition 30 is higher than the horizontal position of the side closest to the partition 30. This angle allows the airflow blown from the fan assembly 40 to pass through the heat exchanger 51, thereby improving heat exchange efficiency.

[0062] Of course, the setting angle of the heat exchanger 51 can be flexibly adjusted according to the setting angle and airflow direction of the air outlet of the fan assembly 40. For example, if the airflow blown out by the fan assembly 40 is slightly inclined upward, the heat exchanger 51 can also be set such that the horizontal position on the side away from the partition 30 is lower than the horizontal position on the side close to the partition 30. There are many potential embodiments, which will not be elaborated on one by one here.

[0063] It should be understood that the heat exchanger 51 can be implemented using existing technologies such as finned heat exchangers and plate heat exchangers, which will not be elaborated on here.

[0064] like Figure 3 and Figure 4As shown, in some embodiments, the fan assembly 40 includes a motor 42, a drive shaft 43, and at least one fan 41. The drive shaft 43 is connected to the output shaft of the motor 42 and is rotatably mounted under the drive of the output shaft of the motor 42. The fan 41 includes a volute 411 and a fan wheel 412. The volute 411 is fixed inside the fan cavity 21, the drive shaft 43 passes through the volute 411, and the fan wheel 412 is disposed inside the volute 411 and mounted on the drive shaft 43, so as to be driven to rotate by the drive shaft 43 to realize the generation and transmission of airflow.

[0065] Specifically, the volute 411 has an air outlet, and the air guide structure 10 can be set at the air outlet of the volute 411. The airflow generated by the rotation of the impeller 412 passes through the air outlet of the volute 411 and the air guide structure 10 and is guided to the heat exchange assembly 50.

[0066] Furthermore, the number of these fans 41 can be multiple, for example in... Figure 3 In the illustrated embodiment, there are three fans. The three fans 41 are coaxially arranged so that the drive shaft 43 passes through them sequentially. Furthermore, the impellers 412 of the three fans 41 are respectively mounted on the drive shaft 43 so as to rotate synchronously under the drive of the motor 42. Correspondingly, the air guiding structure 10 can be configured in multiple ways corresponding to the volute 411 of the fans 41.

[0067] In some other embodiments, when there are multiple fans 41, the fan assembly 40 may also include multiple motors 42 and multiple drive shafts 43, so that each fan 41 has a corresponding motor 42 and drive shaft 43 for individual driving.

[0068] like Figure 5 and Figure 6 As shown, in some embodiments, the volute 411 may include a main body 4111, a mating part 4112, and an extension 4113. The main body 4111 houses the impeller 412 and provides a passage for the drive shaft 43. The extension 4113 is a flattened tubular portion located at the air outlet of the main body 4111 to extend the length of the air outlet of the volute 411, facilitating a detachable connection between the volute 411 and the air guide structure 10. The mating part 4112 protrudes between the mating part 4112 and the main body 4111, and is used for a detachable connection with the air guide structure 10.

[0069] When the volute 411 is assembled with the air guide structure 10, the extension 4113 can extend into the air guide port 100 of the air guide structure 10 to facilitate airflow guidance and ensure air guide efficiency. The mating part 4112 is located outside the air guide port 100, abuts against the air guide structure 10 and is detachably connected to facilitate assembly between the two.

[0070] Specifically, the mating part 4112 is in the shape of an annular rib, extending and surrounding the main body 4111 and the extension 4113 in the circumferential direction. When the volute 411 is assembled with the air guide structure 10, the mating part 4112 can fit against and abut against part of the air guide structure 10 to improve the stability of the assembly.

[0071] In some other embodiments, the mating part 4112 may also be configured as a non-annular block rib, and the number of such ribs may be at least two, which are spaced apart circumferentially along the main body 4111 and the extension 4113.

[0072] In some other embodiments, the mating part 4112 may also be configured as a strip, block, or other shapes. Alternatively, the volute 411 may consist only of the main body 4111 and the extension 4113, and the two may be detachably connected by providing a snap-fit ​​structure, bolts, or other connecting parts between the extension 4113 and the air guide structure 10.

[0073] It should be understood that the main body 4111, the mating part 4112, and the extension part 4113 can be assembled together in various ways, such as integral molding, welding, bolt connection, and snap-fit ​​connection, and can be detached or non-detached. No specific limitation is made here.

[0074] It should be understood that the motor 42 and the fan 41 can be implemented using existing technologies such as cross-flow fans, axial flow fans, and mixed flow fans, and no specific limitations are made here.

[0075] For example Figure 3 and Figure 4 As shown, in some embodiments, the air guiding structure 10 defines an air guide port 100, which is detachably connected to the partition 30 and the fan assembly 40, respectively. When the air guiding structure 10 is assembled with the partition 30 and the fan assembly 40, its air guide port 100 can connect the air outlet of the volute 411 of the fan 41 to the heat exchange chamber 22. Driven by the motor 42, the airflow generated by the rotation of the impeller 412 can flow through the air outlet of the volute 411, through the air guide port 100 and the connection port 31 to the heat exchanger 51 in the heat exchange chamber 22 for heat exchange.

[0076] It is important to understand that in related technologies, the air guide structure 10 and the volute 411 are generally integrally molded. This configuration requires a mold-making process for production, resulting in higher production costs and lower efficiency. Furthermore, for indoor units with different air outlet angle requirements, each unit needs to be molded individually, making modular production difficult and reducing application flexibility, further increasing production costs.

[0077] This application allows the air guide structure 10 and the fan assembly 40 to be detachably connected, enabling them to be manufactured separately. During production, no mold opening is required; the components can be obtained through CNC machining, reducing production costs and improving production efficiency.

[0078] At the same time, this configuration also improves the flexibility of the fan 41 application. For indoor units with different air outlet angle requirements, only the structure or setting angle of the air guide structure 10 needs to be adjusted or replaced, without adjusting or replacing the entire fan 411. This further facilitates modular manufacturing, further reduces costs, and improves efficiency.

[0079] like Figures 5 to 10 As shown, in some embodiments, the air guiding structure 10 is generally arranged in a hollow rectangular frame shape. It has an inlet side 10A and an outlet side 10B along the air guiding direction Q.

[0080] Specifically, the air guiding structure 10 is roughly funnel-shaped, and the cross-sectional dimension of the air guide 100 defined by it, corresponding to the air outlet side 10B, is larger than the cross-sectional dimension of the side corresponding to the air inlet side 10A.

[0081] The funnel-shaped air guide structure 10 optimizes airflow direction and achieves higher heat exchange under the same circulating air volume. The rectangular shape of the air guide structure 10 facilitates its production.

[0082] It is necessary to understand that, such as Figure 10 As shown, the airflow direction Q can be understood as the direction of airflow within the air inlet 100, or as the direction from the air inlet side 10A to the air outlet side 10B.

[0083] In other embodiments, the air guide structure 10 may also be configured as a circle, polygon, ellipse, irregular shape, or other shapes. The cross-sectional dimensions of the air guide port 100 of the air guide structure 10 may also be equal or reduced at various positions along the air guiding direction Q.

[0084] like Figure 4 As shown, in some embodiments, the air guide structure 10 is located inside the fan cavity 21, with one side connected to the partition 30 around the connection port 31, and the other side detachably connected to the fan assembly 40.

[0085] Specifically, please refer to the following: Figure 5The air guiding structure 10 includes a mounting component 11, a first air guiding component 12, and a second air guiding component 13. The mounting component 11 is generally annular and is attached to the side of the partition 30 facing the fan cavity 21, for detachable connection with the partition 30. The first air guiding component 12 and the second air guiding component 13 are respectively disposed on opposite sides of the mounting component 11, forming part of the opening wall of the air guide 100 for guiding airflow and for detachable connection with the volute 411.

[0086] Furthermore, such as Figure 5 and Figure 9 As shown, the mounting component 11 includes a mounting portion 111, a first air guide portion 112, and a second air guide portion 113. The mounting portion 111 is annularly plate-shaped and detachably attached to the side of the partition 30 facing the fan cavity 21. The first air guide portion 112 and the second air guide portion 113 are integrally formed on the mounting portion 111 and located on opposite sides of the annular mounting portion 111, extending from the mounting portion 111 away from the partition 30, forming part of the opening wall of the air guide port 100.

[0087] That is, the first air guide 112, the second air guide 113, the first air guide 12 and the second air guide 13 are connected end to end, together defining the air guide 100.

[0088] like Figures 4 to 6 As shown, with the indoor unit's operating angle as a reference, the first air guide section 112 and the second air guide section 113 are spaced apart in the horizontal direction, and the first air guide component 12 and the second air guide component 13 are spaced apart in the vertical direction. The horizontal height of the first air guide component 12 is lower than the horizontal height of the second air guide component 13.

[0089] It should be understood that the first air guide 12 and the second air guide 13 can be detachably or non-detachably assembled and connected to the mounting part 11 through various connection methods such as welding, bolt connection, and snap-fit ​​connection, without specific limitations here.

[0090] By configuring the air guide structure 10 as a connecting component 11, a first air guide 12, and a second air guide 13, the production and manufacturing of the air guide structure 10 can be facilitated. When the air guide 100 is trumpet-shaped, the splicing and assembly of multiple components facilitates the formation of trumpet-shaped or other irregularly shaped air guides 100. At the same time, it can reduce production costs and provide flexibility in production, assembly, and maintenance.

[0091] In some other embodiments, the first air guide 12 and / or the second air guide 13 may also be integrally formed with the mounting part 11. Alternatively, the first air guide 112 and the second air guide 113 may also be assembled to the mounting part 111 by means of detachable or non-detachable connection such as welding, bolting, or snap-fit ​​connection.

[0092] In some other embodiments, the air guide structure 10 may also be inserted into the connection port 31, partially located in the fan cavity 21 for detachable connection with the volute 411, and partially extended into the heat exchange cavity 22 for guiding the airflow to the heat exchanger 51.

[0093] In some other embodiments, the air guide structure 10 may also be disposed within the heat exchange chamber 22, located between the partition 30 and the heat exchanger 51, and detachably connected to the partition 30. In this embodiment, the air outlet end of the volute 411 may be connected to the side of the partition 30 facing the fan chamber 21, so that its air outlet communicates with the connection port 31, and then with the air guide port 100. Alternatively, the air outlet end of the volute 411 may also pass through the connection port 31, partially extending into the heat exchange chamber 22, so as to detachably connect with the air inlet side 10A of the air guide structure 10, so that the air outlet of the volute 411 communicates directly with the air guide port 100.

[0094] like Figure 3 As shown, in some embodiments, the connection port 31, the air guide port 100, and the air outlet of the volute 411 are all rectangular. The first air guide section 112, the second air guide section 113, the first air guide component 12, and the second air guide component 13 respectively constitute the four sides of the rectangular air guide port 100.

[0095] In other embodiments, the air outlets of the connection port 31, air guide port 100, and volute 411 can also be configured as circular, polygonal, elliptical, irregular, or other shapes. The shapes of the three can be identical, or at least one outlet can have a different shape than the remaining outlets.

[0096] For example Figure 9 As shown, in some embodiments, the mounting portion 111 is arranged in the shape of a rectangular annular plate, and its annular hollow portion corresponds to the connection port 31 to facilitate the connection between the air guide 100 and the connection port 31. The first air guide portion 112 and the second air guide portion 113 are both arranged longitudinally, and their length direction extends along the opposite two sides of the mounting portion 111.

[0097] Specifically, the cross-sections of both the first air guide 112 and the second air guide 113 perpendicular to the length direction are approximately L-shaped. That is, both are formed by bending a plate-like structure.

[0098] The following explanation will take the first air guide section 112 as an example. Figure 5 As shown, the first air guide 112 is longitudinally arranged, and its length direction is perpendicular to the extension direction of the drive shaft 43. At the operating angle of the indoor unit, the length direction of the first air guide 112 extends vertically.

[0099] See also Figure 10The first air guide portion 112 includes a first wall 1121 and a second wall 1122. The first wall 1121 is disposed between the second wall 1122 and the mounting portion 111, and the opposite sides of the first air guide portion 112 are respectively connected to the two. The second wall 1122 is disposed parallel to the mounting portion 111 and fits against the mating portion 4112 of the volute 411 so that the two can be detachably connected.

[0100] By setting the first air guide 112 as a bent first wall 1121 and second wall 1122, the angle of the air guide 100 constructed by the first air guide 112 and the second air guide 113 can be adjusted, thereby facilitating the flexible adjustment of the air guide direction Q and improving the flexibility of the air guide structure 10.

[0101] For example, the first wall 1121 and the second wall 1122 can be arranged perpendicular to each other so that the spacing between the first air guide portion 112 and the second air guide portion 113 is equal along the air guide direction Q of the air guide structure 10. Of course, as Figure 9 As shown, the included angle between the first wall 1121 and the second wall 1122 can also be less than 90°, so that the distance between the first air guide 112 and the second air guide 113 gradually decreases or gradually increases along the air guide direction Q of the air guide structure 10.

[0102] It should be understood that the second air guide 113 is similar, and will not be elaborated on here. However, it should be understood that the angle between the first wall 1121 and the second wall 1122 of the first air guide 112 and the angle between the first wall and the second wall of the second air guide 113 can be the same or different.

[0103] In some other embodiments, the first wall 1121 and the second wall 1122 may also be connected in a curved manner, together defining a curved panel structure with a generally C-shaped cross-section. Alternatively, the first wall 1121 may also be configured as an arc-shaped plate, so that at least a portion of the opening wall of the air guide 100 is a curved wall.

[0104] In some other embodiments, the first air guide 112 and the second air guide 113 may also consist only of the first wall 1121. For example, by providing an extended stiffener on the side of the first wall 1121 away from the mounting portion 111, and correspondingly providing an assembly hole on the mating portion 4112, the air guide structure 10 and the volute 411 can be detachably connected by inserting the stiffener into the assembly hole. Alternatively, by controlling the spacing between the first air guide 112 and the second air guide 113, the extension 4113 of the volute 411 can be interference-fitted between the first air guide 112 and the second air guide 113, thus achieving a detachable connection between the two.

[0105] In some other embodiments, when the air guide structure 10 only includes the mounting member 11, the first air guide portion 112 and the second air guide portion 113 can also jointly form the entire wall of the air guide port 100.

[0106] like Figures 5 to 8 As shown, in some embodiments, the first air guide 12 is generally arranged in a longitudinally elongated, curved or bent plate-like structure, with its length direction parallel to the extension direction of the drive shaft 43, and its two ends in the length direction can be connected to one end of the first air guide 112 and one end of the second air guide 113, respectively. At the operating angle of the indoor unit, the length direction of the first air guide 12 extends horizontally.

[0107] Specifically, the first air guide 12 may include a third wall 121, a fourth wall 122, and a fifth wall 123 connected sequentially along its width. The third wall 121 is fitted against one side of the mounting portion 111 to allow for detachable or non-detachable connection. The fourth wall 122 connects the third wall 121 and the fifth wall 123, extending from the third wall 121 away from the mounting portion 111, and forms part of the opening wall of the air guide 100. The fifth wall 123 is detachably connected to the volute 411.

[0108] Furthermore, such as Figure 6 and Figure 7 As shown, the mating portion 4112 and the extension portion 4113 of the volute 411 together define a limiting groove 4114, which is correspondingly provided with the fifth wall 123. When the first air guide 12 is assembled with the volute 411, the side of the fifth wall 123 away from the fourth wall 122 is confined within the limiting groove 4114.

[0109] This configuration allows the first air guide 112 and the second air guide 113 to be detachably connected to the mating part 4112 of the volute 411, while the fifth wall 123 is inserted into the limiting groove 4114, thereby improving the stability of the assembly between the volute 411 and the air guide structure 10 and preventing the air guide 100 from deforming due to swaying on one side of the first air guide 12.

[0110] Meanwhile, the setting of the limiting groove 4114 also facilitates the assembly of the fan 41. Since the first air guide 12 is located on the bottom side of the air guide structure 10, during the assembly process, the air guide structure 10 can be assembled onto the partition 30 first, then the extension 4113 of the volute 411 can be inserted into the air guide port 100, and the fifth wall 123 can be locked in the limiting groove 4114. Finally, the first air guide 112 and the second air guide 113 can be detachably connected to the volute 411.

[0111] During the assembly process, the cooperation between the fifth wall 123 and the limiting groove 4114 can not only limit the volute 411 and the air guide structure 10 in the horizontal direction, but also allow the volute 411 and the air guide structure 10 to abut against each other in the vertical direction, so as to achieve the initial limiting effect and facilitate the detachable connection operation of the operators in subsequent steps.

[0112] By setting the first air guide 12 as a third wall 121, a fourth wall 122, and a fifth wall 123 that are bent or connected in sequence along the width direction, the angle of the air guide 100 constructed by the first air guide 12 can be easily adjusted, thereby facilitating the flexible adjustment of the air guiding direction Q and improving the flexibility of the air guiding structure 10.

[0113] For example, the fourth wall 122 can be perpendicular to both the third wall 121 and the fifth wall 123. Of course, as... Figure 6 and Figure 8 As shown, the angle between the fourth wall 122 and the third wall 121 and the fifth wall 123 can also be greater than or less than 90°, so that along the air guiding direction Q of the air guide 100, the fourth wall 122 is gradually moved closer to or further away from the second air guide 13.

[0114] In some other embodiments, the limiting groove 4114 may be formed solely by the extension 4113, or solely by the mating portion 4112, or solely by the inward indentation of the outer wall of the main body 4111, or the limiting groove 4114 may be jointly defined by the mating portion 4112 and the main body 4111. For embodiments where the volute 411 includes only the main body 4111 and the extension 4113, the limiting groove 4114 may also be jointly defined by the main body 4111 and the extension 4113.

[0115] In some other embodiments, the volute 411 may not have the limiting groove 4114. The fifth wall 123 is fitted to the mating part 4112 and connected by bolts or other fasteners to achieve a detachable connection between the two.

[0116] like Figure 5 and Figure 10 As shown, in some embodiments, the first air guide 112 may further include a ninth wall 1123. The ninth wall 1123 is disposed at one end of the second wall 1122 of the first air guide 112 near the first air guide member 12, and is configured to fit against the end corresponding to the fourth wall 122 of the first air guide member 12, so that the two can be detachably connected, further improving the structural strength of the air guide structure 10. The second air guide 113 is similar and will not be described further here.

[0117] In some other embodiments, the ninth wall 1123 may also be disposed at the end of the first wall 1121 near the first air guide 12. Alternatively, it may be connected to both the first wall 1121 and the second wall 1122.

[0118] In some other embodiments, the first air guide 12 may include only the fourth wall 122, or only the fourth wall 122 and the third wall 121, or only the fourth wall 122 and the fifth wall 123.

[0119] In some other embodiments, the third wall 121, the fourth wall 122, and the fifth wall 123 may also be curved, together defining a curved panel structure with a cross-section that is approximately U-shaped or S-shaped. Alternatively, the fourth wall 122 may be configured as an arc-shaped plate, so that at least a portion of the opening wall of the air guide 100 is a curved wall.

[0120] In some other embodiments, the air guiding structure 10 may include only the first air guiding member 12. It may extend circumferentially in a tubular shape to form an air guide port 100. In this embodiment, the end of the first air guiding member 12 near the volute 411 may be detachably connected to the volute 411 through various connection methods such as limiting groove 4114, bolt connection, and snap-fit ​​connection. The end near the partition 30 may be detachably or non-detachably connected to the partition 30 through snap-fit ​​connection, bolt connection, welding, etc., or it may be directly inserted into the connection port 31 to achieve detachable assembly with the partition 30.

[0121] like Figures 5 to 8 As shown, in some embodiments, the second air guide 13 is generally arranged in a longitudinally elongated, curved or bent plate-like structure, with its length direction parallel to the extension direction of the drive shaft 43. At the operating angle of the indoor unit, the length direction of the second air guide 13 extends horizontally.

[0122] like Figure 6 As shown, the second air guide 13 is disposed between the mounting part 111 and the mating part 4112 along the air guiding direction Q, and its two ends in the length direction can be connected to the end of the first air guide 112 away from the first air guide 12 and the end of the second air guide 113 away from the first air guide 12, respectively.

[0123] Specifically, the second air guide 13 may include a sixth wall 131, a seventh wall 132, and an eighth wall 133 connected sequentially along its width. The sixth wall 131 is fitted against one side of the mounting portion 111 to allow for detachable or non-detachable connection. The seventh wall 132 connects the sixth wall 131 and the eighth wall 133, extending from the sixth wall 131 away from the mounting portion 111, and forms part of the inlet wall of the air guide 100. The eighth wall 133 is detachably fitted against the mating portion 4112 of the volute 411 to allow for detachable connection with the volute 411.

[0124] By setting the second air guide 13 as a sixth wall 131, a seventh wall 132 and an eighth wall 133 connected sequentially along the width direction, the angle of the air guide 100 constructed by the second air guide 13 can be easily adjusted, thereby facilitating the flexible adjustment of the air guiding direction Q and improving the flexibility of the air guiding structure 10.

[0125] For example, the seventh wall 132 can be perpendicular to both the sixth wall 131 and the eighth wall 133. Of course, as... Figure 8 As shown, the angle between the seventh wall 132 and the sixth wall 131 and the eighth wall 133 can also be greater than or less than 90°, so that along the air guiding direction Q of the air guide 100, the seventh wall 132 is gradually moved closer to or further away from the first air guide 12.

[0126] In some other embodiments, a limiting groove 4114 may also be provided at the position corresponding to the eighth wall 133 of the volute 411, and the eighth wall 133 may also be detachably connected to the volute 411 by being limited within the limiting groove 4114.

[0127] In some other embodiments, the first air guide 112 may also be provided with a tenth wall (not shown in the figure), which may be disposed at the end of the second wall 1122 or the first wall 1121 of the first air guide 112 near the second air guide 13, for fitting against the end corresponding to the seventh wall 132 of the second air guide 13, so that the two can be detachably connected, further improving the structural strength of the air guide structure 10. The second air guide 113 is similar, and will not be described in detail here.

[0128] In some other embodiments, the second air guide 13 may include only the seventh wall 132, or only the seventh wall 132 and the sixth wall 131, or only the seventh wall 132 and the eighth wall 133.

[0129] In some other embodiments, the sixth wall 131, the seventh wall 132, and the eighth wall 133 may also be curved, together defining a curved panel structure with a cross-section that is approximately U-shaped or S-shaped. Alternatively, the seventh wall 132 may be configured as an arc-shaped plate, so that at least a portion of the opening wall of the air guide 100 is a curved wall.

[0130] In some other embodiments, the air guiding structure 10 may also include only the second air guiding element 13, which may extend circumferentially in a tubular shape to form an air guide port 100. In this embodiment, the end of the second air guiding element 13 near the volute 411 may be detachably connected to the volute 411 through various connection methods such as limiting groove 4114, bolt connection, and snap-fit ​​connection. The end near the partition 30 may be detachably or non-detachably connected to the partition 30 through snap-fit ​​connection, bolt connection, welding, etc., or it may be directly inserted into the connection port 31 to achieve detachable assembly with the partition 30.

[0131] In some other embodiments, the air guiding structure 10 may also be configured to include only the first air guiding element 12 and the second air guiding element 13, which are joined together in the circumferential direction to define the air guiding port 100.

[0132] In some other embodiments, the air guide structure 10 may also be configured to include only the mounting part 111, the first air guide 12, and the second air guide 13, depending on the user's air supply requirements for the indoor unit. Alternatively, the air guide structure 10 may be configured to include only the mounting part 11.

[0133] It should be understood that the detachable or non-detachable connections between the components of the aforementioned air guide structure 10, as well as the detachable or non-detachable connections between the air guide structure 10 and the partition plate 30 at various locations, can be achieved using various connection methods such as welding, bolting, and snap-fitting, and no specific limitation is made here. Similarly, the detachable connections between the air guide structure 10 and the volute 411 at various locations can be achieved using various connection methods such as bolting, snap-fitting, and plugging, and no specific limitation is made here.

[0134] It is understood that the above embodiments only illustrate some implementation methods of this application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this application's patent. It should be noted that those skilled in the art can freely combine the above embodiments or technical features without departing from the concept of this application, and can also make several modifications and improvements, all of which fall within the protection scope of this application. That is, the embodiments described "in some embodiments" can be freely combined with any of the preceding and following embodiments. Therefore, all equivalent transformations and modifications made within the scope of the claims of this application should be covered by the claims of this application.

Claims

1. An indoor unit, characterized in that, include: Shell (20); A partition (30) is disposed inside the housing (20) to divide the space inside the housing (20) into a fan chamber (21) and a heat exchange chamber (22). A fan assembly (40) is disposed within the fan cavity (21); A heat exchange assembly (50) is disposed within the heat exchange chamber (22); At least one air guide structure (10) is disposed within the housing (20), is detachably connected to the fan assembly (40), and defines an air guide port (100) that connects the air outlet of the fan assembly (40) to the heat exchange chamber (22).

2. The indoor unit according to claim 1, characterized in that, The cross-sectional dimension of the air outlet (10B) of the air guide (100) is larger than the cross-sectional dimension of the air inlet (10A) of the air guide (100).

3. The indoor unit according to claim 1, characterized in that, The fan assembly (40) includes at least one fan (41); at least one connection port (31) is defined on the partition (30); the air guide structure (10) is connected to the air outlet of the fan (41) and is connected to the heat exchange chamber (22) through the connection port (31).

4. The indoor unit according to claim 3, characterized in that, The air guide structure (10) is disposed in the fan cavity (21), one side is connected to the partition (30) around the connection port (31), and the other side is connected to the fan (41); Alternatively, the air guide structure (10) is disposed in the heat exchange chamber (22), one side is connected to the partition (30) on the periphery of the connection port (31), and is connected to the air outlet of the fan (41) through the connection port (31); Alternatively, the air guide structure (10) is inserted into the connection port (31) and located on one side of the fan cavity (21) and connected to the fan (41).

5. The indoor unit according to claim 3, characterized in that, The fan (41) includes a volute (411) and a fan wheel (412); the volute (411) includes a main body (4111) and a tubular extension (4113) connected to the main body (4111); the fan wheel (412) is rotatably disposed within the main body (4111), and the extension (4113) extends at least partially into the air guide (100).

6. The indoor unit according to claim 5, characterized in that, The air guide structure (10) is disposed in the fan cavity (21), one side is connected to the partition (30) around the connection port (31), and the other side is connected to the fan (41); The air guide structure (10) includes a first air guide (12) forming at least a portion of the opening wall of the air guide (100); a limiting groove (4114) is defined on the volute (411), and the first air guide (12) is at least partially detachably confined within the limiting groove (4114) on the side away from the partition (30).

7. The indoor unit according to claim 6, characterized in that, The volute (411) also includes a mating part (4112) protruding between the main body (4111) and the extension (4113); the mating part (4112) and the extension (4113) together define the limiting groove (4114).

8. The indoor unit according to claim 7, characterized in that, The air guiding structure (10) further includes a second air guiding member (13) that forms part of the opening wall of the air guiding port (100). The first air guiding member (12) and the second air guiding member (13) are disposed opposite to each other. The second air guiding member (13) is disposed between the partition (30) and the mating part (4112) along the air guiding direction (Q), and the side closer to the mating part (4112) is detachably fitted to the mating part (4112).

9. The indoor unit according to claim 3, characterized in that, The fan (41) includes a volute (411) and a rotor (412); the volute (411) includes a main body (4111) and a mating part (4112) connected to the main body (4111); the rotor (412) is rotatably disposed within the main body (4111); The air guide structure (10) is disposed in the fan cavity (21), one side is connected to the partition (30) around the connection port (31), and the other side is connected to the fan (41); The air guide structure (10) includes a mounting component (11), which is partially detachably attached to the side of the partition (30) facing the fan cavity (21) and partially detachably connected to the mating part (4112).

10. The indoor unit according to claim 9, characterized in that, The mounting component (11) includes a first air guide (112), a second air guide (113), and an annular plate-shaped mounting portion (111); the mounting portion (111) is detachably attached to the side of the partition (30) facing the fan cavity (21); the first air guide (112) and the second air guide (113) are disposed on opposite sides of the mounting portion (111), extending from the mounting portion (111) toward the mating portion (4112), and the side away from the mounting portion (111) is detachably attached to the mating portion (4112).

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