Air conditioner indoor unit, and heating, ventilation and air conditioning apparatus

Abstract

Disclosed in the embodiments of the present application are an air conditioner indoor unit, and a heating, ventilation and air conditioning apparatus. The air conditioner indoor unit comprises a housing, a heat exchanger, a wind wheel assembly, and a support structure. An air duct is provided inside the housing, both the wind wheel assembly and the heat exchanger are disposed within the air duct, and the wind wheel assembly and the heat exchanger are spaced apart in the airflow direction of the air duct. The wind wheel assembly comprises at least two wind wheels. The support structure is arranged between adjacent wind wheels and comprises a support base and a connection assembly. The connection assembly is mounted on the support base and connected to rotating shafts of the adjacent wind wheels, and the support base is connected to the housing and abuts against the heat exchanger.

Description

Air conditioning indoor units and HVAC equipment

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on March 25, 2024, with application number 2024205933555 and application name “Air Conditioning Indoor Unit and HVAC Equipment”, the entire contents of which are incorporated herein by reference. Technical Field

[0002] The present application relates to the technical field of air-conditioning equipment, and in particular to an air-conditioning indoor unit and HVAC equipment. Background Art

[0003] HVAC equipment can include air conditioners, which are indispensable electrical equipment in daily life and have various structural forms. With the continuous improvement of industrialization level, the demand for air conditioner capacity is also constantly increasing.

[0004] Taking air conditioners with high performance and high power or that require longer cross-flow impellers as an example, the existing technology often adopts the form of connecting two or more cross-flow impellers in series to increase the length of the cross-flow impeller to meet the air volume requirements of the air conditioner. In the relevant technology, the installation structure for connecting adjacent cross-flow impellers is relatively complex, and often needs to be installed in the air duct of the air conditioner base according to a specific assembly relationship. The installation structure has many assembled parts, which increases the cumbersomeness of disassembly or installation of the cross-flow impeller. At the same time, the length of the cross-flow impeller is relatively long, and the cross-flow impeller vibrates for a long time during movement, making the cross-flow impeller structure of the air conditioner unstable and prone to deformation. Due to the long length of the cross-flow impeller, a heat exchanger of a certain length is also required to meet the needs of the air conditioner. However, there is a problem that the heat exchanger may be affected by airflow, load-bearing capacity, etc. during operation of the air conditioner, or may be deformed due to falling during transportation of the air conditioner. Summary of the Invention

[0005] The embodiments of the present application provide an air-conditioning indoor unit and HVAC equipment, which aim to improve the convenience of assembling the wind wheel assembly, ensure the smooth operation of the wind wheel assembly, and avoid deformation of the heat exchanger due to stress concentration caused by factors such as a large span and vibration in the middle position of the heat exchanger.

[0006] A first aspect of an embodiment of the present application provides an air-conditioning indoor unit, which includes a shell, a heat exchanger, a wind wheel assembly and a support structure. An air duct is provided in the shell, the heat exchanger is provided in the air duct, the wind wheel assembly is provided in the air duct and is spaced apart from the heat exchanger in the air flow direction of the air duct, the wind wheel assembly includes at least two wind wheels, the support structure is provided between adjacent wind wheels, the support structure includes a support seat and a connecting assembly, the connecting assembly is installed on the support seat and is used to connect the rotating shafts of adjacent wind wheels, and the support seat is connected to the shell and abuts against the heat exchanger.

[0007] Furthermore, the support structure further includes a buffer component, which is connected to the support seat and abuts against the heat exchanger.

[0008] Furthermore, the buffer member is a sponge.

[0009] Furthermore, a support surface adapted to the outer surface contour of the heat exchanger is formed on the outer side of the support seat facing the heat exchanger, and the buffer member is installed on the support surface.

[0010] Furthermore, the support seat includes a first support member and a second support member, the first support member is connected to the shell, the second support member is detachably connected to the first support member and / or the shell, the second support member cooperates with the first support member to form an installation space for installing the connecting assembly, and the outer wall surface of the second support member abuts against the heat exchanger.

[0011] Furthermore, the second support member includes a support body, a first connecting portion and a second connecting portion, the first connecting portion is connected to the support body and is detachably connected to the first support member, and the second connecting portion is connected to the support body and is detachably connected to the first support member.

[0012] Furthermore, the first connection portion is connected to a side of the support body away from the heat exchanger, and the second connection portion is connected to a side of the support body facing the heat exchanger and is engaged with the first support member.

[0013] Furthermore, the shell includes a casing and a panel, the panel is connected to the bottom of the casing and cooperates with the casing to form the air duct; the panel is provided with an air outlet connected to the air duct, wherein the downward projection of the first connecting part falls within the area of ​​the air outlet.

[0014] Furthermore, the second connecting portion is one of a hook and a slot provided on the supporting body, and the first supporting member is provided with the other of the hook and the slot, wherein the virtual line in the direction in which the hook detaches from the notch of the slot passes through the air outlet.

[0015] Furthermore, the air-conditioning indoor unit also includes a water receiving pan located in the air duct, the water receiving pan is arranged below the heat exchanger, and the water receiving pan is provided with a fixing part, wherein the fixing part, the first connecting part and the first supporting member are fixed together by a screw member.

[0016] Furthermore, the connecting assembly includes a bearing seat, the bearing seat has an axial centerline along the horizontal direction of the air-conditioning indoor unit, and the connection between the first support member and the second support member has an interface; wherein the interface passes through the axial centerline.

[0017] Furthermore, the connecting assembly includes a bearing seat, the bearing seat has an axial centerline along the horizontal direction of the air-conditioning indoor unit, and the connection between the first support member and the second support member has an interface; wherein, the interface does not pass through the axial centerline, and the distance from the interface to the axial centerline is not greater than 0.5 times the maximum diameter of the bearing seat.

[0018] Furthermore, the first support member and the shell are an integral structure.

[0019] A second aspect of an embodiment of the present application provides a HVAC device, which includes an air-conditioning indoor unit and an air-conditioning outdoor unit as described above, wherein the air-conditioning outdoor unit and the air-conditioning indoor unit form a circulation flow path.

[0020] An embodiment of the present application provides an air-conditioning indoor unit and HVAC equipment, which is achieved by arranging a support structure between two adjacent wind wheels, and the support structure includes a support base and a connecting assembly, and the connecting assembly is connected to the rotating shafts of the adjacent wind wheels to improve the convenience of assembling the wind wheel assembly, and the wind wheel assembly is arranged into at least two wind wheels and connected through the support structure, which can avoid deformation of the wind wheel assembly to a certain extent, so as to achieve smooth operation of the wind wheel assembly, and because the size of the heat exchanger needs to match the size of the heat exchange duct, the size of the heat exchanger is relatively large at this time, and the heat exchanger is supported by the support base, thereby avoiding deformation of the heat exchanger due to stress concentration caused by factors such as a large span and vibration in the middle position of the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG1 is a schematic diagram of the exploded structure of an air conditioner indoor unit in one embodiment of the present application;

[0022] FIG2 is a schematic diagram of a partial structure of an air-conditioning indoor unit in one embodiment of the present application;

[0023] FIG3 is a schematic structural diagram of an air-conditioning indoor unit in an embodiment of the present application;

[0024] FIG4 is a schematic cross-sectional structural diagram of the air conditioner indoor unit shown in FIG3 along the AA cross section;

[0025] FIG5 is another exploded structural diagram of an air conditioner indoor unit in one embodiment of the present application;

[0026] FIG6 is a partial enlarged view of point B in FIG5 ;

[0027] FIG7 is a schematic diagram of another portion of the structure of an air conditioner indoor unit in one embodiment of the present application;

[0028] FIG8 is a schematic structural diagram of a second support member in an embodiment of the present application.

[0029] Explanation of the accompanying drawings: 1-air conditioner indoor unit; 10-shell; 10A-air duct; 11-casing; 12-volute; 20-heat exchanger; 30-wind wheel assembly; 31-wind wheel; 40-support structure; 41-support seat; 41A-installation space; 41B-hook; 41C-slot; 41D-groove; 411-support surface; 412-first support member; 412A-first installation slot; 413-second support member; 413A-second installation slot; 4131-support body; 4132-first connecting part; 4133-second connecting part; 42-connecting assembly; 421-bearing; 422-bearing seat; 50-motor; 60-water tray; 61-fixing part.

[0030] The realization of the objectives, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of this application clearer, the following part will further describe the embodiments of this application in detail with reference to the accompanying drawings.

[0032] When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application, as detailed in the appended claims.

[0033] In the description of this application, it should be understood that the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances. In addition, in the description of this application, unless otherwise specified, "multiple" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the previous and subsequent associated objects are in an "or" relationship.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs. The terms used in this specification are for the purpose of describing specific embodiments only and are not intended to limit this application. The term "and / or" as used herein includes any and all combinations of one or more of the relevant listed items.

[0035] An embodiment of the present application provides a HVAC device, which may include an air-conditioning outdoor unit and an air-conditioning indoor unit. The air-conditioning outdoor unit is usually installed outside the target space, and the air-conditioning indoor unit is usually installed inside the target space, and the air-conditioning indoor unit and the air-conditioning outdoor unit may form a circulation flow path to achieve joint cooperation. For example, the air-conditioning indoor unit and the air-conditioning outdoor unit may be connected through a refrigerant pipeline to achieve the cooling, heating, dehumidification and air purification effects of the HVAC device on the target space, thereby achieving a comfortable target space. Among them, the air-conditioning outdoor unit of the HVAC device may be one, and the air-conditioning indoor unit may be multiple.

[0036] The air conditioner indoor unit is described in detail below.

[0037] Please refer to Figures 1 and 2. In some embodiments, the air-conditioning indoor unit 1 includes a shell 10, a heat exchanger 20, a wind wheel assembly 30 and a support structure 40, wherein an air duct 10A is provided inside the shell 10, and the shell 10 may include a casing 11 and a volute 12. The casing 11 and the volute 12 are detachably connected, the volute 12 is arranged in the air duct 10A, and the heat exchanger 20 is arranged in the air duct 10A. The heat exchanger 20 is a device that transfers part of the heat of the hot fluid to the cold fluid, and the heat exchanger 20 can be divided into a fixed tube plate heat exchanger, a U-shaped tube plate heat exchanger, and a plate heat exchanger according to the structural form. The embodiment of the present application does not specifically limit the structural form of the heat exchanger 20.

[0038] The rotor assembly 30 is disposed within the air duct 10A. The rotor assembly 30 and the heat exchanger 20 are spaced apart in the airflow direction of the air duct 10A. The rotor assembly 30 includes at least two rotors 31. The embodiment of the present application does not specifically limit the number of rotor assemblies 30. For example, the number of rotor assemblies 30 may be two or four. The following description of the embodiment of the present application assumes that there are two rotor assemblies 31.

[0039] Please refer to Figures 1 to 4. The support structure 40 is arranged between adjacent wind wheels 31. The support structure 40 includes a support base 41 and a connecting component 42. The connecting component 42 is installed on the support base 41 and is used to connect the rotating shafts of adjacent wind wheels 31 (not shown in the figures). The support base 41 is connected to the shell 10, and the support base 41 abuts against the heat exchanger 20.

[0040] Specifically, the wind wheel assembly 30 plays a role in promoting airflow transmission in the air duct 10A, the heat exchanger 20 plays a role in heat exchange, the support structure 40 is provided between the two wind wheels 31, and the rotating shafts of the two wind wheels 31 are connected by a connecting assembly 42 to increase the length of the wind wheel assembly 30, that is, the connecting assembly 42 may include a bearing 421 and a bearing seat 422, each wind wheel 31 has a rotating shaft of the wind wheel 31 extending outward, the connection between the two wind wheels 31 can be connected by the bearing 421, and the bearing seat 422 has a bearing hole ( (not shown in the figure), the bearing 421 is installed in the bearing hole, wherein the bearing 421 can be a rolling bearing, the rolling bearing can be divided into an outer ring, an inner ring and a ball arranged between the outer ring and the inner ring, the outer ring and the bearing hole are interference fitted, the rotating shaft of the wind wheel 31 is installed in the inner ring, and the air-conditioning indoor unit 1 also includes a motor 50, the motor 50 is also arranged in the air duct 10A and connected to the wind wheel assembly 30, when the motor 50 is started, the wind wheel assembly 30 can be moved, and the rotational movement between the two wind wheels 31 can be realized through the rolling bearing, thereby improving the convenience of assembling the wind wheel assembly 30.

[0041] Furthermore, the connecting component 42 can be installed on the support base 41, that is, the support base 41 is provided with an installation space 41A (see Figure 6), the connecting component 42 is installed in the installation space 41A, and there is no gap between the connecting component 42 and the installation space 41A, so as to ensure the smooth transmission of the wind wheel assembly 30, and the outside of the support base 41 has a groove 41D (see Figure 6), and the ends of the two opposite wind wheels 31 can be installed in the groove 41D to achieve the function of supporting the two wind wheels 31, and the support base 41 abuts against the heat exchanger 20. It can be understood that the support structure 40 can connect the two wind wheels 31 to meet the air volume requirements of the HVAC equipment while improving the convenience of assembling the wind wheel assembly 30, and the support base 41 is provided between the two wind wheels 31 and can be used to support the two wind wheels 31 to avoid deformation due to the long length of the two wind wheels 31. In this way, the smooth operation of the wind wheel assembly 30 is ensured. Stability, the support structure 40 can also support the heat exchanger 20. It can be understood that since the size of the heat exchanger 20 needs to match the size of the air duct 10A, at this time, the size of the heat exchanger 20 is relatively large, and the heat exchanger 20 is supported by the support seat 41, so as to avoid the heat exchanger 20 from being deformed due to excessive span and stress concentration in the middle position due to factors such as vibration. At the same time, when the support seat 41 supports the heat exchanger 20, the support seat 41 can realize the limited fixation of the heat exchanger 20, and the heat exchanger 20 can reversely realize the support effect of the support seat 41. At this time, the heat exchanger 20 bears the weight of the connecting component 42. In this way, the position of the volute 12 corresponding to the support structure 40 can share the load-bearing of the connecting component 42 because of the support of the heat exchanger 20, and the thin-walled volute 12 has the effect of not being easily deformed. That is, the support structure 40 realizes two-way support, and the support seat 41 interacts with the heat exchanger 20.

[0042] The embodiment of the present application sets a support structure 40 between adjacent wind wheels 31. The support structure 40 includes a support seat 41 and a connecting component 42. The support seat 41 can be used to support the ends of two opposite wind wheels 31 to ensure the smooth operation of the wind wheel assembly 30. At the same time, the connecting component 42 connects the rotating shafts of adjacent wind wheels to achieve the connection between the two adjacent wind wheels 31. In this way, the convenience of assembling the wind wheel assembly 30 is improved. At the same time, the support seat 41 can also support the heat exchanger 20. In this way, the heat exchanger 20 can be prevented from being deformed due to excessive span and stress concentration in the middle position due to factors such as vibration.

[0043] In some embodiments, the support structure 40 also includes a buffer member, which is connected to the support seat 41 and abuts against the heat exchanger 20. It can be understood that the buffer member is arranged between the support seat 41 and the heat exchanger 20. Since the support seat 41 can be used to support the heat exchanger 20, the support seat 41 adopts a material with a certain hardness to facilitate supporting the heat exchanger 20. If the support seat 41 is in direct contact with the heat exchanger 20, the HVAC equipment will vibrate due to the vibration of the wind wheel assembly 30 during operation. The support seat 41 can transmit the vibration of the wind wheel assembly 30 to the heat exchanger 20, so that the HVAC equipment generates a larger noise when working. Therefore, a buffer member can be provided at the abutment between the support seat 41 and the heat exchanger 20, so that the heat exchanger 20 contacts the buffer member, thereby reducing the larger noise generated by the HVAC equipment when working.

[0044] Furthermore, in some other embodiments, the buffer member can be a sponge. It can be understood that one side of the sponge is connected to the support seat 41, and the other side of the sponge abuts the heat exchanger 20. When the heat exchanger 20 abuts the support seat 41, since the support seat 41 is made of a material with a certain hardness, a sponge is arranged between the support seat 41 and the heat exchanger 20 to prevent the support seat 41 from directly contacting the heat exchanger 20. In this way, the sponge plays a buffering role in the support seat 41 supporting the heat exchanger 20, and since the sponge is a porous material with good water absorption, when the HVAC system is in cooling mode or dehumidification mode, the heat exchanger 20 is an evaporator. At this time, condensation water will be generated on the surface of the evaporator. The sponge can absorb the condensation water to prevent excessive condensation water from flowing into the volute 12 to cause damage to the motor. The sponge can absorb a certain amount of condensation water. In this way, more condensation water can be avoided in the volute 12, thereby ensuring the normal operation of the HVAC equipment.

[0045] Please refer to Figure 4. In some embodiments, a support surface 411 that is adapted to the outer surface contour of the heat exchanger 20 is formed on the outer side of the support seat 41 facing the heat exchanger 20, and the buffer is installed on the support surface 411. That is, the support surface 411 is installed with a buffer on the side close to the heat exchanger 20. The embodiment of the present application does not specifically limit the installation form of the buffer, for example, the buffer is bonded to the support surface 411, and the embodiment of the present application does not specifically limit the shape of the support surface 4111. For example, the support surface 411 can be rectangular or square. The support surface 411 is adapted to the outer surface contour of the heat exchanger 20. When the support surface 411 abuts against the heat exchanger 20 through the buffer member, the support surface 411 is adapted to the outer surface contour of the heat exchanger 20, so the support surface 411 can better support the heat exchanger 20, thereby preventing the heat exchanger 20 from being deformed due to stress concentration in the middle position due to factors such as vibration, thereby improving the supporting effect of the support structure 40 on the heat exchanger 20.

[0046] Referring to FIG. 5-FIG . 7 , in some embodiments, the support base 41 includes a first support member 412 and a second support member 413 .

[0047] The first support member 412 is connected to the shell 10, that is, the first support member 412 can be detachably connected to the shell 10 or can be non-detachably connected to the shell 10. The embodiment of the present application does not specifically limit the connection method between the first support member 412 and the shell 10. When the first support member 412 is detachably connected to the shell 10, the first support member 412 and the shell 10 can be connected by bonding, screws, etc.

[0048] The second support member 413 can be detachably connected to the first support member 412, can be detachably connected to the shell 10, and can be detachably connected to both the first support member 412 and the shell 10. The embodiment of the present application does not make specific requirements for this, and designers can design according to actual conditions. The second support member 413 cooperates with the first support member 412 to form an installation space 41A for installing the connecting component 42, and the outer wall surface of the second support member 413 abuts against the heat exchanger 20.

[0049] Specifically, the first support member 412 has a first mounting slot hole 412A, the second support member 413 has a second mounting slot hole 413A, and the connecting component 42 also includes a bearing seat 422, a part of the bearing seat 422 is installed in the first mounting slot hole 412A, and the other part of the bearing seat 422 is installed in the second mounting slot hole 413A, thereby realizing the installation of the first support member 412 and the second support member 413 and the connecting component 42. In this way, the installation and disassembly of the support structure 40 are simple, and the outer wall surface of the second support member 413 abuts against the heat exchanger 20, that is, the outer wall surface of the second support member 413 forms a support surface 411 on the side close to the heat exchanger 20, and a buffer member is installed on the support surface 411, and the buffer member abuts against the heat exchanger 20, thereby realizing the support of the heat exchanger 20 by the second support member 413.

[0050] Please refer to Figures 4 and 7. In some embodiments, the air-conditioning indoor unit 1 also includes a water receiving tray 60 located in the air duct 10A. The water receiving tray 60 is arranged below the heat exchanger 20, and the water receiving tray 60 is provided with a fixing portion 61. The fixing portion 61, the first connecting portion 4132 and the first support member 412 are fixed together by screws.

[0051] Specifically, the water tray 60 can be used to collect and discharge moisture in the air, and the water tray 60 is arranged below the heat exchanger 20. When the HVAC equipment is working, the moisture in the air will be sucked into the heat exchanger 20. Under the action of the refrigerant, the heat exchanger 20 condenses the moisture in the air into water droplets, and flows into the water tray 60 through the drainage hole. The design of the water tray 60 allows water droplets to flow out of the air-conditioning indoor unit 1 to ensure the dryness of the air-conditioning indoor unit 1.

[0052] Furthermore, the water collecting pan 60 is provided with a fixing portion 61, which can be arranged on a side away from the heat exchanger 20, so that the fixing portion 61, the first connecting portion 4132 and the first support member 412 are fixed together by screws, that is, the fixing portion 61, the first connecting portion 4132 and the first support member 412 share the same slot, and the fixing portion 61, the first connecting portion 4132 and the first support member 412 are connected together by screws, thereby saving the preparation cost of the HVAC equipment.

[0053] Please continue to refer to Figures 4 and 7. Since the first mounting slot 412A is nested in a part of the bearing seat 422, the second support member 413 is detachably connected to the first support member 412. Therefore, when the wind wheel assembly 30 needs to be repaired or replaced, the water tray 60 can be removed first, and then the second support member 413 can be pulled out to achieve the removal of the second support member 413 and the first support member 412. The sponge on the support surface 411 can form a buffer space with the heat exchanger 20, so the wind wheel assembly 30 can be repaired or replaced without removing the heat exchanger 20, which facilitates the disassembly of the wind wheel assembly 30.

[0054] In some embodiments, based on the fact that the first support member 412 and the second support member 413 are detachably connected, the connection between the first support member 412 and the second support member 413 has an interface (not shown in the figure), and the bearing seat 422 can have an axis line (not shown in the figure) along the horizontal direction CC of the air-conditioning indoor unit 1. When projected along the cross-sectional plane AA, the interface may pass through the axis line or not. The embodiment of the present application does not specifically limit whether the interface passes through the axis line.

[0055] For example, when the interface passes through the axis centerline, the first mounting slot 412A on the first support member 412 and the second mounting slot 413A on the second support member 413 are installed in equal parts with the bearing seat 422, so that the first support member 412 and the second support member 413 can be easily removed from the bearing seat 422.

[0056] For example, when the interface does not pass through the axis, the first mounting slot 412A on the first support member 412 and the second mounting slot 413A on the second support member 413 are not evenly spaced and mounted on the bearing seat 422, that is, the depth of the first mounting slot 412A is greater than the depth of the second mounting slot 413A, or the depth of the second mounting slot 413A is greater than the depth of the first mounting slot 412A. The embodiment of the present application does not specifically limit this. For example, when the depth of the second mounting slot 413A is greater than the depth of the first mounting slot 413A, When the depth of the mounting slot 412A is determined, the portion of the support seat 41 wrapped by the second mounting slot 413A is larger than the portion of the support seat 41 wrapped by the first mounting slot 412A, and the first mounting slot 412A and the second mounting slot 413A are installed seamlessly with the bearing seat 422. When the second support member 413 needs to be disassembled, a technician needs to manually shake it to disassemble the second support member 413 and the bearing seat 422. In this way, the stability of the installation of the second support member 413 and the bearing seat 422 is improved.

[0057] It should be noted that when the interface does not pass through the axial centerline, the distance from the interface to the axial centerline is no more than 0.5 times the maximum diameter of the bearing seat 422, so that the bearing seat 422 can be installed in the first mounting slot 412A or the second mounting slot 413A. If the distance from the interface to the axial centerline is greater than 0.5 times the maximum diameter of the bearing seat 422, when the bearing seat 422 is installed in the first mounting slot 412A or the second mounting slot 413A, it is easy to be blocked by the outer wall surface of the first support member 412 or the second support member 413, which makes it difficult for the bearing seat 422 to be installed in the first mounting slot 412A or the second mounting slot 413A.

[0058] Please refer to Figure 7. In some embodiments, the first support member 412 and the shell 10 are an integral structure, that is, the first support member 412 is non-detachably connected to the shell 10, wherein the shell 10 may include a volute 12, the volute 12 is arranged in the air duct 10A and is non-detachably connected to the first support member 412, and the volute 12 can be used to increase the airflow speed of the wind wheel assembly 30, wherein the volute 12 and the first support member 412 are integrally formed, so that the volute 12 does not need to be connected to the first support member 412 by screws, which facilitates the installation of the first support member 412 and the volute 12 by technicians. In this way, not only the convenience of installation of HVAC equipment is improved, but also the cost of material preparation of HVAC equipment is saved.

[0059] Please refer to Figures 7-8. In some embodiments, the second support member 413 includes a support body 4131, a first connecting portion 41132 and a second connecting portion 4133, wherein the first connecting portion 4132 is connected to the support body 4131 and is detachably connected to the first support member 412, and the second connecting portion 4133 is connected to the support body 4131 and is detachably connected to the first support member 412, that is, the first connecting portion 4132 and the second connecting portion 4133 are both detachably connected to the first support member 412, for example, the first connecting portion 4132 and the second connecting portion 4133 can be connected to the first support member 412 by screwing.

[0060] Please continue to refer to Figures 7-8. Further, in some embodiments, the first connection portion 4132 is connected to the side of the support body 4131 away from the heat exchanger 20, and the first connection portion 4132 is detachably connected to the first support member 412, and the second connection portion 4133 is connected to the side of the support body 4131 facing the heat exchanger 20 and is clamped with the first support member 412. It can be understood that the first connection portion 4132 and the second connection portion 4133 are both connected to the first support member 412, and the first connection portion 4132 is detachably connected to the first support member 412, and the second connection portion 4133 is clamped with the first support member 412, that is, the second support member 413 and the first support member 412 have two connection forms, thereby improving the stability of the connection between the second support member 413 and the first support member 412.

[0061] Please refer to Figure 5. Further, in some embodiments, the shell 10 includes a casing 11 and a panel (not shown in the figure), the panel is connected to the bottom of the casing 11 and cooperates with the casing 11 to form an air duct 10A, the panel is provided with an air outlet connected to the air duct 10A (not shown in the figure), and the downward projection of the first connecting portion 4132 falls within the area of ​​the air outlet.

[0062] Specifically, the wind wheel assembly 30 can be arranged near the air outlet so that the airflow formed by the wind wheel assembly 30 flows into the room through the air outlet, wherein the first connecting part 4132 and the first support member 412 are detachably connected, that is, the connection form of the first connecting part 4132 and the first support member 412 can be a threaded connection or a clamping connection. When the connection form of the first connecting part 4132 and the first support member 412 is a threaded connection, the technician can disassemble the panel. Since the downward projection of the first connecting part 4132 falls within the area of ​​the air outlet, the technician can easily observe the screws threadedly connecting the first connecting part 4132 and the first support member 412 after disassembling the panel, thereby facilitating the disassembly of the second support member 413 from the wind wheel assembly 30.

[0063] Please refer to Figures 7-8. Furthermore, in some embodiments, the second connecting portion 4133 is one of the hook 41B and the slot 41C provided on the support body 4131, and the first support member 412 is provided with the other of the hook 41B and the slot 41C. That is, when the second connecting portion 4133 is the hook 41B, the first support member 412 is provided with the slot 41C adapted to the hook 41B of the second connecting portion 4133; when the first support member 412 is provided with the hook 41B, the second connecting portion 4133 is provided with the slot 41C adapted to the hook 41B of the first support member 412, and the virtual line in the direction in which the hook 41B is detached from the slot hole of the slot 41C passes through the air outlet.

[0064] For example, when the second connecting portion 4133 is a hook 41B and the first support member 412 is provided with a slot 41C that is compatible with the hook 41B of the second connecting portion 4133, on the basis of disassembling the first connecting portion 4132 and the first support member 412, because the connection between the second connecting portion 4133 and the first support member 412 is in the form of a snap connection, and the virtual line in the direction in which the hook 41B is detached from the slot hole of the slot 41C passes through the air outlet, that is, when the second support member 413 and the first support member 412 are disassembled, the second support member 413 can be detached from the first support member 412 along the direction of the air outlet, thereby facilitating the disassembly of the second support member 413 and the first support member 412.

[0065] At the same time, since the second support member 413 is separated from the first support member 412 along the direction of the air outlet, it can be understood that the second support member 413 is separated from the first support member 412 along the direction of the air outlet on the side away from the heat exchanger 20. When the wind wheel assembly 30 needs to be repaired or replaced, since the disassembly direction of the second support member 413 is away from the heat exchanger 20, and the outer wall surface of the second support member 413 is in contact with the heat exchanger 20, the wind wheel assembly 30 can be repaired or replaced without disassembling the heat exchanger 20, thereby improving the efficiency of the assembly of the wind wheel assembly 30. The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0066] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. An air conditioner indoor unit, wherein: include: a shell having an air duct disposed therein; a heat exchanger, disposed in the air duct; A wind wheel assembly is arranged in the air duct and spaced apart from the heat exchanger in the air flow direction of the air duct, the wind wheel assembly comprising at least two wind wheels; as well as, A support structure is provided between adjacent wind wheels, and the support structure includes a support base and a connecting assembly. The connecting assembly is installed on the support base and is configured to connect the rotating shafts of adjacent wind wheels. The support base is connected to the shell and abuts against the heat exchanger.

2. The air conditioning indoor unit according to claim 1, wherein: The support structure further includes a buffer member connected to the support seat and abutting against the heat exchanger.

3. The air conditioning indoor unit according to claim 2, wherein: The buffer component is a sponge.

4. The air conditioning indoor unit according to claim 2, wherein: The support seat is formed with a support surface on the outer side facing the heat exchanger, which is adapted to the outer surface contour of the heat exchanger, and the buffer component is installed on the support surface.

5. The air-conditioning indoor unit according to any one of claims 1 to 4, wherein: The support base comprises: a first support member connected to the housing; and The second support member is detachably connected to the first support member and / or the shell. The second support member cooperates with the first support member to form an installation space configured to install the connecting assembly, and the outer wall surface of the second support member abuts against the heat exchanger.

6. The air conditioning indoor unit according to claim 5, wherein: The second support member comprises: Supporting body; a first connecting portion connected to the supporting body and detachably connected to the first supporting member; and The second connecting portion is connected to the supporting body and is detachably connected to the first supporting member.

7. The air conditioning indoor unit according to claim 6, wherein: The first connecting portion is connected to a side of the supporting body away from the heat exchanger; The second connecting portion is connected to a side of the supporting body facing the heat exchanger and is clamped with the first supporting member.

8. The air conditioning indoor unit according to claim 6, wherein: The housing includes a casing and a panel, wherein the panel is connected to the bottom of the casing and cooperates with the casing to form the air duct; The panel is provided with an air outlet connected to the air duct, wherein the downward projection of the first connecting portion falls within the area of ​​the air outlet.

9. The air conditioning indoor unit according to claim 8, wherein: The second connecting portion is one of a hook and a slot provided on the supporting body, and the first supporting member is provided with the other of the hook and the slot; Wherein, a virtual line in a direction in which the hook is disengaged from the notch of the slot passes through the air outlet.

10. The air conditioner indoor unit according to claim 6, wherein: The air conditioner indoor unit further includes a water receiving pan located in the air duct, the water receiving pan is arranged below the heat exchanger, and the water receiving pan is provided with a fixing portion; Wherein, the fixing portion, the first connecting portion and the first supporting member are fixed together by screws.

11. The air conditioner indoor unit according to claim 5, wherein: The connecting assembly includes a bearing seat, the bearing seat has an axis along the horizontal direction of the air conditioner indoor unit, and the connection between the first support member and the second support member has an interface; Wherein, the interface passes through the axis line.

12. The air conditioner indoor unit according to claim 5, wherein: The connecting assembly includes a bearing seat, the bearing seat has an axis along the horizontal direction of the air conditioner indoor unit, and the connection between the first support member and the second support member has an interface; The interface does not pass through the axis, and the distance from the interface to the axis is not greater than 0.5 times the maximum diameter of the bearing seat.

13. The air conditioner indoor unit according to claim 5, wherein: The first support member and the housing are an integral structure.

14. A heating and ventilation equipment, wherein: The HVAC equipment includes: The air conditioner indoor unit according to any one of claims 1 to 13; and An air-conditioning outdoor unit forms a circulation flow path with the air-conditioning indoor unit.

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