Air conditioner, air conditioner indoor unit and chassis of air conditioner indoor unit

Abstract

The utility model discloses an air conditioner, an air conditioner indoor unit and a chassis of the air conditioner indoor unit. The chassis of the air conditioner indoor unit comprises an electric control box mounting cavity which is provided with a mounting opening and used for mounting an electric control box of the air conditioner indoor unit; a first supporting part, a second supporting part and a sunken part are arranged in the electric control box mounting cavity, the first supporting part and the second supporting part are arranged at the two ends of the electric control box mounting cavity in the length direction respectively and used for supporting the two ends of the first end face of the electric control box, and the sunken part is located between the first supporting part and the second supporting part and is sunken towards the side away from the mounting opening; a gap is formed between the concave part and the first end face of the electric control box. In the electric control box mounting cavity of the chassis, the first supporting part and the second supporting part which protrude relative to the concave part can have enough high supporting height so as to meet the requirement for supporting a miniaturized electric control box, and due to the arrangement of the concave part, the lengths of the first supporting part and the second supporting part are reduced, the structural strength is improved, and the supporting stability of the electric control box is enhanced.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, and more specifically, to a chassis for an indoor air conditioning unit, an indoor air conditioning unit, and an air conditioner. Background Technology

[0002] In traditional air conditioner indoor units, the height of the electrical control box (its dimension along the front-to-back direction of the indoor unit) needs to be designed to be roughly equivalent to the front-to-back dimension of the indoor unit itself. This is to avoid an excessive distance between the support surface of the electrical control box and the rear end of the chassis. In some cases, to adapt the height of the electrical control box to the dimensions of the indoor unit, the box is made quite tall, for example, up to 159mm. Larger electrical control boxes result in larger dimensions, increased costs for the various electrical control components inside, and contradict the trend towards miniaturization and integration of electrical control components. Utility Model Content

[0003] This application provides a chassis for an air conditioner indoor unit, comprising:

[0004] The electrical control box mounting cavity has a mounting port and is configured for mounting the electrical control box of the indoor unit of the air conditioner;

[0005] The electrical control box mounting cavity is provided with a first support portion, a second support portion, and a recessed portion. The first support portion and the second support portion are respectively located at both ends of the electrical control box mounting cavity along its length direction and are configured to support the two ends of the first end face of the electrical control box. The recessed portion is located between the first support portion and the second support portion and is recessed towards the side away from the mounting opening. The recessed portion is configured to have a gap with the first end face of the electrical control box.

[0006] In some exemplary embodiments, the first support includes a support surface for supporting the electrical control box, and the chassis includes a second end face located on the side opposite to the mounting opening. Along the depth direction of the electrical control box mounting cavity, the distance between the support surface and the second end face of the chassis is 40-90mm.

[0007] In some exemplary embodiments, the chassis further includes a fan wheel mounting cavity, which is located on one side of the width direction of the electrical control box mounting cavity and is configured to mount the fan wheel of the air conditioner indoor unit;

[0008] The recessed portion penetrates the side wall of the electrical control box mounting cavity on the side away from the fan wheel mounting cavity, and is configured to avoid the fan wheel motor of the indoor air conditioner when it is disassembled or installed.

[0009] In some exemplary embodiments, the bottom surface of the recess is an arc-shaped surface, which is configured to fit the outer wall surface of the wind turbine motor; or, the bottom surface of the recess is a plane.

[0010] In some exemplary embodiments, the length of the recess along the length direction of the electrical control box mounting cavity is 1 / 2 of the length of the electrical control box mounting cavity.

[0011] In some exemplary embodiments, the recess is provided with a pressure plate fixing part, which is configured to fix the motor pressure plate of the wind turbine motor.

[0012] In some exemplary embodiments, the bottom wall of the electrical control box mounting cavity is provided with an opening, one end of which penetrates the second end face of the chassis on the side opposite to the mounting port, and the other end penetrates the support surface of the first support.

[0013] In some exemplary embodiments, the opening is configured as a card interface that engages with the electronic control box.

[0014] In some exemplary embodiments, the chassis further includes a side cavity located on the side of the bottom wall of the electrical control box mounting cavity opposite to the mounting opening, the side cavity being configured to allow a slider of the forming mold to slide out during chassis forming.

[0015] In some exemplary embodiments, the chassis further includes a fan wheel mounting cavity, which is located on one side of the width direction of the electrical control box mounting cavity and is configured to mount the fan wheel of the air conditioner indoor unit;

[0016] Along the width direction of the electrical control box mounting cavity, the side cavity is located on the side of the electrical control box mounting cavity away from the wind turbine mounting cavity, and the side cavity includes a sliding outlet opposite to the wind turbine mounting cavity, the sliding outlet being configured for the sliding block of the molding die to slide out.

[0017] In some exemplary embodiments, the depth of the side cavity is set to 1 / 2 of the width of the electrical control box along the width direction of the mounting cavity of the electrical control box.

[0018] In some exemplary embodiments, limiting portions are provided on both sides of the width direction of the mounting cavity of the electrical control box, and the two limiting portions are configured to cooperate with and limit the opposite sides of the electrical control box.

[0019] In some exemplary embodiments, the limiting portion includes a baffle rib and a limiting rib. The baffle ribs of the two limiting portions are disposed opposite to each other on both sides of the first support portion. The limiting ribs are provided on the opposite sidewalls of the baffle ribs of the two limiting portions. The limiting ribs of the two limiting portions are configured to cooperate with the opposite sides of the electrical control box for limiting.

[0020] In some exemplary embodiments, the limiting rib is stepped.

[0021] In some exemplary embodiments, the chassis further includes a fan wheel mounting cavity, which is located on one side of the width direction of the electrical control box mounting cavity and is configured to mount the fan wheel of the air conditioner indoor unit;

[0022] The electrical control box mounting cavity is also provided with a partition rib. Along the width direction of the electrical control box mounting cavity, the partition rib is located between the first support part and the limiting part near the side of the wind turbine mounting cavity. Along the depth direction of the electrical control box mounting cavity, the partition rib is located between the support surface of the first support part and the second end face of the chassis facing away from the mounting opening. The partition rib is configured to separate the first sub-mold and the second sub-mold of the molding mold during the molding of the chassis.

[0023] In some exemplary embodiments, along the depth direction of the electrical control box mounting cavity, the distance between the partition rib and the support surface of the first support is equal to the distance between the partition rib and the second end face of the chassis.

[0024] In some exemplary embodiments, the outer wall surface of the bottom wall of the electrical control box mounting cavity is provided with reinforcing ribs, and the end face of the reinforcing rib facing away from the bottom wall of the electrical control box mounting cavity is provided with a recess.

[0025] In some exemplary embodiments, the first support portion is provided with a first latching portion, which is configured to engage with a second latching portion of the electrical control box; and / or

[0026] The second support portion is provided with a first plug-in portion, which is configured to plug into and cooperate with the second plug-in portion of the electrical control box.

[0027] This application also provides an indoor air conditioning unit, including:

[0028] The chassis of the air conditioner indoor unit as described in any of the above claims; and

[0029] An electrical control box is installed in the electrical control box mounting cavity of the chassis, and the two ends of the first end face of the electrical control box are respectively supported by the first support part and the second support part of the chassis.

[0030] In some exemplary embodiments, the size of the electrical control box is 120-130mm along the front-rear direction of the indoor unit of the air conditioner;

[0031] The indoor unit of the air conditioner also includes a front frame and an electrical cover plate mounted to the front frame; the electrical control box has a terminal block, and the distance between the terminal block and the electrical cover plate is 8-20mm; and / or

[0032] Along the front-to-back direction of the indoor unit, the dimensions of the indoor unit are 190-230mm.

[0033] In some exemplary embodiments, the electrical control box is provided with a second latching portion, which engages with a first latching portion provided on the first support portion; and / or

[0034] The electrical control box is provided with a second plug-in part, which is plugged into and engaged with a first plug-in part provided on the second support part.

[0035] In some exemplary embodiments, the indoor unit of the air conditioner further includes:

[0036] The wind turbine is installed inside the wind turbine mounting cavity of the chassis; and

[0037] A wind turbine motor is connected to the wind turbine and configured to drive the wind turbine to rotate. The wind turbine motor is fixed to the chassis by a motor pressure plate.

[0038] In some exemplary embodiments, the motor pressure plate includes a first sub-pressure plate and a second sub-pressure plate, the first sub-pressure plate and the second sub-pressure plate are fixedly connected and sleeved on the outside of the wind turbine motor, and the second sub-pressure plate is fixedly connected to a pressure plate fixing part provided in the recess of the chassis.

[0039] This application also provides an air conditioner, including the indoor unit of the air conditioner described in any of the above embodiments.

[0040] In this embodiment of the air conditioner indoor unit chassis, the recessed portion of the electrical control box mounting cavity is recessed relative to the first and second support portions, resulting in an overall concave design for the electrical control box mounting cavity. This cavity can support the electrical control box by supporting both ends and suspending it in the middle. Within the electrical control box mounting cavity, the first and second support portions, protruding relative to the recessed portion, can have a sufficiently high support height to meet the needs of supporting the miniaturized electrical control box. This helps reduce the cost of electrical control components and ensures that the wiring operation position of the miniaturized electrical control box remains essentially unchanged compared to the non-miniaturized, taller electrical control box, thus eliminating the impact of the shorter miniaturized electrical control box on the convenience of wiring operations. Furthermore, in this embodiment, the electrical control box mounting cavity has a recessed portion in the middle. Compared to some existing designs that do not have a recessed portion and have support portions extending along the entire length of the electrical control box mounting cavity, the length of the first and second support portions in this embodiment is reduced, which helps improve the structural strength of the first and second support portions and enhances the stability of the electrical control box support.

[0041] Other features and advantages of this application will be set forth in the following description. Attached Figure Description

[0042] The accompanying drawings are used to provide an understanding of the technical solutions of this application and constitute a part of the specification. They are used together with the embodiments of this application to explain the technical solutions of this application and do not constitute a limitation on the technical solutions of this application.

[0043] Figure 1 This is a partial structural diagram of the indoor unit of an air conditioner according to an embodiment of this application;

[0044] Figure 2 for Figure 1 The diagram shows the structure of the indoor unit of the air conditioner after the electrical control box has been removed.

[0045] Figure 3 for Figure 2 An enlarged schematic diagram of the A-section structure;

[0046] Figure 4 for Figure 1 A schematic diagram of the electrical control box of the indoor air conditioner unit is shown.

[0047] Figure 5 for Figure 2 The diagram shows the structure of the indoor air conditioner unit after the electrical control box has been removed and the motor pressure plate has been further removed.

[0048] Figure 6 for Figure 1 A three-dimensional structural diagram of the chassis of the indoor air conditioner unit is shown.

[0049] Figure 7 for Figure 6 An enlarged schematic diagram of the structure of section B;

[0050] Figure 8 for Figure 6 The diagram shows the main structural view of the chassis.

[0051] Figure 9 for Figure 8 Schematic diagram of the CC-direction cross-section structure;

[0052] Figure 10 for Figure 8 Schematic diagram of the DD-direction cross-section structure;

[0053] Figure 11 for Figure 6 The diagram shows the right-side structural structure of the chassis.

[0054] Figure 12 for Figure 6 Another three-dimensional structural diagram of the chassis shown;

[0055] Figure 13 for Figure 6 Another three-dimensional structural diagram of the chassis shown;

[0056] Figure 14 for Figure 13 An enlarged schematic diagram of the E-section structure;

[0057] Figure 15 for Figure 6 The diagram shows a bottom view of the chassis structure.

[0058] Figure label:

[0059] 1-Chassis, 11-Electrical control box mounting cavity, 111-First support part, 112-Support surface, 113-Second support part, 114-Recessed part, 115-Notch, 116-First insertion part, 117-Pressure plate fixing part, 12-Limiting part, 121-Baffle rib, 122-Limiting rib, 13-Wind wheel mounting cavity, 14-Separating rib, 15-Opening, 16-Reinforcing rib, 161-Recessed part, 17-Side cavity, 18-Second end face;

[0060] 2-Electrical control box, 21-Second snap-fit ​​part, 22-Second plug-in part, 23-Electrical control box cover, 24-Screw, 25-First end face, 3-Wind turbine motor, 31-Motor wire, 32-Motor cover, 321-Electrical control box fixing part, 4-Motor pressure plate, 41-First sub-pressure plate, 42-Second sub-pressure plate, 5-Heat exchanger. Detailed Implementation

[0061] This application describes several embodiments, but these descriptions are exemplary and not restrictive, and it will be apparent to those skilled in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are also possible. Unless specifically limited, any feature or element of any embodiment may be used in combination with, or may replace, any feature or element of any other embodiment.

[0062] This application includes and contemplates combinations of features and elements known to those skilled in the art. The embodiments, features, and elements disclosed in this application can also be combined with any conventional features or elements to form unique inventive solutions. Any feature or element of any embodiment can also be combined with features or elements from other inventive solutions to form another unique inventive solution. Therefore, it should be understood that any feature shown and / or discussed in this application can be implemented individually or in any suitable combination. Therefore, the embodiments are not limited except by the limitations imposed by the appended claims and their equivalents. Furthermore, various modifications and changes can be made within the scope of the appended claims.

[0063] This application provides a chassis 1 for an air conditioner indoor unit, such as... Figures 1-15 As shown, the device includes an electrical control box mounting cavity 11, which has a mounting opening and is configured to mount an electrical control box 2 for an indoor air conditioning unit. The electrical control box mounting cavity 11 contains a first support portion 111, a second support portion 113, and a recessed portion 114. The first support portion 111 and the second support portion 113 are respectively located at both ends of the electrical control box mounting cavity 11 along its length and are configured to support the two ends of the first end face 25 of the electrical control box 2. The recessed portion 114 is located between the first support portion 111 and the second support portion 113 and is recessed towards the side away from the mounting opening. The recessed portion 114 is configured to have a gap with the first end face 25 of the electrical control box 2.

[0064] The chassis 1 of the air conditioner indoor unit in this embodiment of the application has an electrical control box mounting cavity 11 for mounting an electrical control box 2. The mounting opening of the electrical control box mounting cavity 11 can face one side of the chassis 1 (e.g., Figure 1 The front side), and the electrical control box mounting cavity 11 is provided with a first support part 111, a second support part 113 and a recessed part 114, the first support part 111, the recessed part 114 and the second support part 113 can be arranged along the length direction of the electrical control box mounting cavity 11 (e.g., the ... Figure 1 The first support portion 111 and the second support portion 113 are arranged sequentially in the vertical direction of the electrical control box mounting cavity 11, with the first support portion 111 located at the upper part of the electrical control box mounting cavity 11 and the second support portion 113 located at the lower part of the electrical control box mounting cavity 11. The first support portion 111 and the second support portion 113 can be used to support the first end face 25 of the electrical control box 2 (e.g., in the vertical direction). Figure 1 The two ends of the rear end face (such as) Figure 1 The recessed portion 114 is located between the first support portion 111 and the second support portion 113, and the recessed portion 114 faces away from the mounting opening of the electrical control box mounting cavity 11 relative to both the first support portion 111 and the second support portion 113 (e.g., the upper and lower ends); the recessed portion 114 is located between the first support portion 111 and the second support portion 113, and the recessed portion 114 faces away from the mounting opening of the electrical control box mounting cavity 1 ... Figure 1 The rear side is recessed, so that there is a gap between the recessed part 114 and the first end face 25 of the electrical control box 2.

[0065] In the chassis 1, the recessed portion 114 of the electrical control box mounting cavity 11 is recessed relative to the first support portion 111 and the second support portion 113, making the electrical control box mounting cavity 11 have an overall concave design. This electrical control box mounting cavity 11 can support the electrical control box 2 by supporting both ends and suspending in the middle. In the electrical control box mounting cavity 11, the first support portion 111 and the second support portion 113, which protrude relative to the recessed portion 114, can have a sufficiently high support height to meet the needs of supporting the miniaturized electrical control box 2. This helps to reduce the cost of electrical control components and ensures that the operation position for wiring installation of the miniaturized electrical control box 2 remains basically unchanged from that of the non-miniaturized, taller electrical control box 2, thus eliminating the impact of the miniaturized electrical control box 2 on the convenience of wiring operation. Furthermore, in this embodiment of the application, the electrical control box mounting cavity 11 has a recessed portion 114 in the middle. Compared with some existing cases where the recessed portion is not provided and the electrical control box mounting cavity has a support portion extending along the entire length of the electrical control box mounting cavity, the lengths of the first support portion 111 and the second support portion 113 of the electrical control box mounting cavity 11 in this embodiment of the application are reduced, which is beneficial to improving the structural strength of the first support portion 111 and the second support portion 113 and enhancing the support stability of the electrical control box 2.

[0066] In some exemplary embodiments, such as Figure 1 and Figure 10 As shown, the first support portion 111 includes a support surface 112 for supporting the electrical control box 2, and the chassis 1 includes a second end face 18 located on the side opposite to the mounting opening (e.g., Figure 1 As shown, the second end face 18 can be the rear end face of the chassis 1, and extends along the depth direction of the electrical control box mounting cavity 11 (e.g., Figure 1 (As shown in the front-back direction), the distance S0 between the support surface 112 of the first support part 111 and the second end face 18 of the chassis 1 is 40-90mm.

[0067] After miniaturizing the electrical control box 2 of the indoor unit of the air conditioner, the height of the electrical control box 2 (the dimension of the electrical control box 2 along the front-to-back direction of the indoor unit) is lower than the height of the electrical control box in some existing cases. Under the condition that the energy efficiency of the indoor unit remains unchanged, the height of the heat exchanger 5 of the indoor unit (the dimension along the front-to-back direction of the indoor unit) remains unchanged, the overall height of the indoor unit (the dimension along the front-to-back direction of the indoor unit) remains unchanged, and the height of the wiring operation position of the electrical control box 2 (the distance between the wiring operation surface of the electrical control box 2 and the electrical cover plate installed on the front frame along the front-to-back direction of the indoor unit) remains unchanged (if the wiring operation position height is lowered, hands must be inserted through the mounting holes of the front frame for installing the electrical cover plate, making wiring inconvenient). Under the above conditions (the height of the indoor unit remains unchanged, and the electrical control box 2 is lowered), the distance between the support surface 112 used to support the electrical control box 2 and the second end face 18 of the chassis 1 becomes larger. To achieve support for the electrical control box 2, a higher support surface 112 needs to be designed. Therefore, in this embodiment of the application, the electrical control box mounting cavity 11 is designed to include a first support portion 111, a second support portion 113, and a recessed portion 114 located between the first support portion 111 and the second support portion 113. This avoids the formation of a support portion that runs along the length of the electrical control box mounting cavity 11, which is beneficial to improving the support strength of the first support portion 111 and the second support portion 113 for the electrical control box 2.

[0068] In a specific example, the height H1 of the miniaturized electronic control box 2 (participating) Figure 1 The height of the first support part 111 of the chassis 1 (the distance between the support surface 112 and the second end face 18 of the chassis 1) can be about 48.6 mm. The height of the support surface 112 of the first support part 111 of the chassis 1 (the distance between the support surface 112 and the second end face 18 of the chassis 1) can be about 126 mm, which is about 33 mm shorter than the electrical control box in some existing cases (the height of the electrical control box can be about 159 mm).

[0069] In some exemplary embodiments, such as Figure 1 and Figure 7 As shown, the width direction of the electrical control box mounting cavity 11 (e.g.) Figure 1 The control box 2 has two limiting parts 12 on both sides (left and right directions). The two limiting parts 12 are configured to cooperate with the opposite sides of the control box 2 for limiting. The width direction of the control box mounting cavity 11, the depth direction of the control box 2, and the length direction of the control box 2 are all perpendicular to each other.

[0070] Limiting parts 12 are provided on both the left and right sides of the electrical control box mounting cavity 11. After the electrical control box 2 is installed into the electrical control box mounting cavity 11, the left and right side walls of the electrical control box 2 can cooperate with the limiting parts 12 on the left and right sides of the electrical control box mounting cavity 11 to limit the electrical control box 2 in the left and right direction.

[0071] In some exemplary embodiments, such as Figure 7As shown, the limiting part 12 includes a baffle 121 and a limiting rib 122. The baffle ribs 121 of the two limiting parts 12 are disposed opposite to each other on both sides of the first support part 111. The limiting ribs 122 of the two limiting parts 12 are respectively disposed on the opposite side wall surfaces of the baffle ribs 121 of the two limiting parts 12. The limiting ribs 122 of the two limiting parts 12 are configured to cooperate with and limit the opposite sides of the electrical control box 2.

[0072] In the limiting portions 12 located on the left and right sides of the electrical control box mounting cavity 11, each limiting portion 12 may include a baffle 121 and a limiting rib 122. The baffle ribs 121 of the two limiting portions 12 may be respectively provided on the left and right sides of the first support portion 111 and may extend in the vertical direction. Figure 7 As shown, in the left limiting part 12, the limiting rib 122 is provided on the right side wall of the baffle 121, and one or more limiting ribs 122 may be provided; in the right limiting part 12, the limiting rib 122 is provided on the left side wall of the baffle 121, and one or more limiting ribs 122 may be provided, so that the limiting ribs 122 of the two limiting parts 12 are arranged opposite to each other, so that the limiting ribs 122 of the two limiting parts 12 limit the left and right sides of the electrical control box 2 installed in the electrical control box mounting cavity 11.

[0073] In some exemplary embodiments, the limiting rib 122 is stepped. For example... Figure 7 As shown, along the direction of the self-blocking rib 121 toward the first support portion 111, the stepped limiting rib 122 provided on the self-blocking rib 121 gradually decreases toward the side away from the mounting opening of the electrical control box mounting cavity 11.

[0074] Compared to elongated ribs, the stepped rib 122 has higher structural strength and better limiting effect. In addition, designing the rib 122 as a stepped shape reduces the local rib height of the rib 122, which helps to reduce the thin-walled structure (such as the rib 122) in the chassis 1.

[0075] In some exemplary embodiments, such as Figure 8 As shown, the chassis 1 also includes a fan wheel mounting cavity 13, which is located on one side of the electrical control box mounting cavity 11 in the width direction and is configured to mount the fan wheel of the air conditioner indoor unit. The fan wheel mounting cavity 13 may be located on the left side of the electrical control box mounting cavity 11.

[0076] like Figure 8 and Figure 9As shown, the electrical control box mounting cavity 11 is also provided with a partition rib 14. Along the width direction of the electrical control box mounting cavity 11, the partition rib 14 is located between the first support portion 111 and the limiting portion 12 near the side of the wind turbine mounting cavity 13; and along the depth direction of the electrical control box mounting cavity 11, the partition rib 14 is located between the support surface 112 of the first support portion 111 and the second end face 18 of the chassis 1. The partition rib 14 is configured to separate the first sub-mold and the second sub-mold of the molding mold during the molding of the chassis 1. Specifically, along the left-right direction, the partition rib 14 can be located between the first support portion 111 and the left limiting portion 12; and along the front-back direction, the partition rib 14 is located between the support surface 112 of the first support portion 111 and the second end face 18 of the chassis 1, that is, the partition rib 14 can be located behind the support surface 112 of the first support portion 111 and in front of the second end face 18 of the chassis 1.

[0077] The partition rib 14 helps to reduce the formation of deep cavity structures on the chassis 1. The partition rib 14 can be used to separate the first sub-mold (front mold) and the second sub-mold (rear mold) of the molding die during the molding of the chassis 1, so as to facilitate the molding of the chassis 1.

[0078] In some exemplary embodiments, such as Figure 9 As shown, along the depth direction of the electrical control box mounting cavity 11, the distance S1 between the partition rib 14 and the support surface 112 of the first support part 111 is equal to the distance S2 between the partition rib 14 and the second end face 18 of the chassis 1. Specifically, along the front-rear direction, the distance S1 between the partition rib 14 and the support surface 112 of the first support part 111 is equal to the distance S2 between the partition rib 14 and the second end face 18 of the chassis 1, so that the depth of the cavity between the partition rib 14 and the support surface 112 of the first support part 111 (i.e., S1) is equal to the depth of the cavity between the partition rib 14 and the second end face 18 of the chassis 1 (i.e., S2), so that the structural strength of the two cavities is as consistent as possible, avoiding the local structural strength of the chassis 1 being too low when S1 and S2 differ greatly.

[0079] By adding a partition rib 14 between the support surface 112 of the first support part 111 and the second end face 18 of the chassis 1, the deep cavity of the mold can be divided in half to the front mold and the rear mold, which helps to reduce the deep cavity structure on the chassis 1.

[0080] In some exemplary embodiments, such as Figure 3 , Figure 7 , Figure 10 , Figures 13-14 As shown, the electrical control box mounting cavity 11 includes a bottom wall opposite to the mounting port. The bottom wall of the electrical control box mounting cavity 11 is provided with an opening 15. One end of the opening 15 passes through the second end face 18 of the chassis 1 on the side opposite to the mounting port, and the other end passes through the support surface 112 of the first support part 111.

[0081] Specifically, the bottom wall of the electrical control box mounting cavity 11 is provided with a through opening 15, which extends forward through the support surface 112 of the first support part 111 and backward through the second end face 18 of the chassis 1. By providing the opening 15 on the bottom wall of the electrical control box mounting cavity 11, it helps to reduce the deep cavity structure on the chassis 1 and prevent the chassis 1 from deforming at the deep cavity structure after being subjected to force.

[0082] In some exemplary embodiments, the opening 15 on the bottom wall of the electrical control box mounting cavity 11 is configured as a card interface that engages with the electrical control box 2.

[0083] An opening 15 on the bottom wall of the electrical control box mounting cavity 11 can form a snap-fit ​​interface. The electrical control box 2 can be provided with a snap-fit ​​structure (such as a snap hook) that cooperates with the snap-fit ​​interface. By cooperating with the snap-fit ​​structure and the snap-fit ​​interface, the snap-fit ​​cooperation between the electrical control box 2 and the chassis 1 can be realized.

[0084] In some exemplary embodiments, such as Figures 13-15 As shown, the outer wall surface of the bottom wall of the electrical control box mounting cavity 11 (e.g., the rear wall surface of the bottom wall of the electrical control box mounting cavity 11) is provided with a reinforcing rib 16, and the end face of the reinforcing rib 16 facing away from the bottom wall of the electrical control box mounting cavity 11 (e.g., the rear end face of the reinforcing rib 16) is provided with a recess 161.

[0085] The rear wall of the bottom wall of the electrical control box mounting cavity 11 is provided with a reinforcing rib 16 to enhance the structural strength of the electrical control box mounting cavity 11 and the support stability for the electrical control box 2. The rear end face of the reinforcing rib 16 is provided with a recess 161 to locally reduce the height of the reinforcing rib 16, thereby reducing the deep cavity thin-walled structure on the chassis 1.

[0086] In some exemplary embodiments, such as Figure 6 , Figure 7 , Figure 11 and Figure 12 As shown, the chassis 1 also includes a side of the bottom wall of the electrical control box mounting cavity 11 that faces away from the mounting opening (e.g., Figure 1 The side cavity 17 (rear side) is configured such that the slider of the forming mold slides out during the molding of the chassis 1.

[0087] The rear side of the bottom wall of the electrical control box mounting cavity 11 is provided with a side cavity 17. During the molding of the chassis 1, the slider of the molding mold can slide out from the side cavity 17. The front side of the bottom wall of the electrical control box mounting cavity 11 is the electrical control box mounting cavity 11 for mounting the electrical control box 2, and the rear side of the bottom wall of the electrical control box mounting cavity 11 is the side cavity 17, so as to separate the chassis 1 in the front-back direction and reduce the deep cavity structure on the chassis 1.

[0088] In some exemplary embodiments, such as Figure 6 , Figure 7 , Figure 11 and Figure 12As shown, along the width direction of the electrical control box mounting cavity 11, the side cavity 17 is located on the side of the electrical control box mounting cavity 11 away from the wind turbine mounting cavity 13 (e.g., Figure 1 The side cavity 17 includes a sliding outlet facing away from the impeller mounting cavity 13, which is configured for the slider of the forming mold to slide out. The impeller mounting cavity 13 may be located on the left side of the electrical control box mounting cavity 11, and the side cavity 17 may be located on the right side of the electrical control box mounting cavity 11. The sliding outlet of the side cavity 17 may face to the right, allowing the slider of the forming mold to slide out of the side cavity 17 to the right.

[0089] The side cavity 17 is positioned on the side of the electrical control box mounting cavity 11 away from the wind turbine mounting cavity 13, and the sliding outlet of the side cavity 17 is positioned away from the wind turbine mounting cavity 13, so that the slider will not interfere with the chassis 1 or other structures of the molding mold during the molding process of the chassis 1.

[0090] In some exemplary embodiments, the depth of the side cavity 17 is set to half the width of the control box 2 along the width direction of the control box mounting cavity 11. Specifically, along the left-right direction, the depth of the side cavity 17 can be half the width of the control box 2, which is approximately half the width of the control box mounting cavity 11. This avoids the presence of a deep cavity structure at half the width of the control box 2 after it is installed in the control box mounting cavity 11.

[0091] Of course, the depth of the side cavity 17 is not limited to half the width of the electrical control box 2, and can be adjusted according to actual needs.

[0092] In some exemplary embodiments, the first support portion 111 is provided with a first latching portion, which is configured to engage with the second latching portion 21 of the control box 2. For example, Figure 3 and Figure 4 As shown, the first latching part can be a latching interface formed by an opening 15 on the bottom wall of the electrical control box mounting cavity 11, and the second latching part 21 can be a latching structure (such as a latch hook) provided on the electrical control box 2 that cooperates with the latching interface. The latching engagement between the electrical control box 2 and the chassis 1 is achieved through the cooperation of the first latching part and the second latching part 21.

[0093] Of course, the first snap-fit ​​part is not limited to a card interface, but can also be other forms of snap-fit ​​structure, such as: the first snap-fit ​​part can be a card hook, and correspondingly, the second snap-fit ​​part 21 can be a card interface.

[0094] In some exemplary embodiments, such as Figure 3 and Figure 4 As shown, the second support part 113 is provided with a first plug-in part 116, which is configured to plug into and cooperate with the second plug-in part 22 of the electrical control box 2. The first snap-fit ​​part can be a socket, and the second plug-in part 22 can be a buckle. The buckle can be inserted into the socket to realize the plug-in cooperation between the electrical control box 2 and the chassis 1.

[0095] Of course, the first plug-in part 116 is not limited to a socket, but can also be other forms of plug-in structure, such as a buckle, and correspondingly, the second plug-in part 22 can be a socket.

[0096] In this embodiment, the assembly of the chassis 1 and the electrical control box 2 mainly involves: the snap-fit ​​interface on one side of the electrical control box mounting cavity 11 of the chassis 1 engaging with the snap-fit ​​hook of the electrical control box 2; and the insertion hole on the other side of the electrical control box mounting cavity 11 of the chassis 1 engaging with the insertion buckle of the electrical control box 2. Furthermore, as... Figures 1-3 As shown, the electrical control box 2 is also fixed to the motor cover 32 of the fan motor 3 on the rear side of the electrical control box 2. The fan motor 3 is located on the side of the fan wheel closer to the electrical control box 2, that is, the fan motor 3 can be located on the right side of the fan wheel. The fan motor 3 is connected to the fan wheel and can drive the fan wheel to rotate. After removing the electrical control box cover 23 of the electrical control box 2, the fan motor 3 can be electrically connected to the circuit board inside the electrical control box 2 through the motor wire 31. The motor cover 32 is provided with an electrical control box fixing part 321, and the electrical control box 2 can also be fixed to the electrical control box fixing part 321. The electrical control box fixing part 321 can be a screw post, and the electrical control box 2 can be fixed to the screw post of the motor cover 32 by screws 24. The electrical control box 2 can be fixed inside the air conditioner indoor unit by the cooperation of the card interface and the hook, the cooperation of the hole and the buckle, and the screw fixing.

[0097] In some exemplary embodiments, such as Figure 5 and Figure 7 As shown, the recess 114 of the electrical control box mounting cavity 11 penetrates the side of the electrical control box mounting cavity 11 away from the wind turbine mounting cavity 13 (e.g., Figure 1 The right side wall of the air conditioner indoor unit is designed to avoid the fan motor 3 during disassembly and assembly. The fan mounting cavity 13 can be located on the left side of the electrical control box mounting cavity 11, and the recess 114 in the middle of the electrical control box mounting cavity 11 can penetrate the right side wall of the electrical control box mounting cavity 11, forming a notch 115 on the right side wall of the electrical control box mounting cavity 11.

[0098] In addition to being fixedly connected to the electrical control box 2 by screws 24, the fan motor 3 is also fixed to the chassis 1 by the motor pressure plate 4. When it is necessary to disassemble or assemble the fan motor 3, after removing the outer casing of the indoor air conditioner, the electrical control box 2, and the motor pressure plate 4 that fixes the fan motor 3, the fan motor 3 can be installed or removed through the notch 115 on the right side. The recess 114 provides clearance within the installation and removal stroke range of the fan motor 3, ensuring that the installation and removal of the fan motor 3 does not interfere with the chassis 1 when the heat exchanger 5 is not removed.

[0099] In this embodiment of the application, the chassis 1 is designed to support the miniaturized electrical control box 2 and to allow for the installation and removal of the wind turbine motor 3. The electrical control box mounting cavity 11 of the chassis 1 is formed in a concave shape that supports the electrical control box 2 at both ends and is suspended in the middle with a large distance in between.

[0100] In some exemplary embodiments, the bottom surface of the recess 114 is an arc-shaped surface, which is configured to fit the outer wall surface of the wind turbine motor 3.

[0101] To avoid interference with the wind turbine motor 3, the bottom surface of the recess 114 can be designed as an arc-shaped surface that matches the outer wall surface of the wind turbine motor 3, forming a concave recessed platform to prevent interference between the wind turbine motor 3 and the chassis 1 during disassembly. Of course, the bottom surface of the recess 114 is not limited to an arc-shaped surface; it can also be in other forms, such as a flat surface, so that the recess 114 forms a flat recessed platform.

[0102] In some exemplary embodiments, the length of the recess 114 along the length direction of the electrical control box mounting cavity 11 is half the length of the electrical control box mounting cavity 11. Specifically, the length of the recess 114 along the vertical direction is equal to half the length of the electrical control box mounting cavity 11. This is to satisfy the supporting effect of the first support portion 111 and the second support portion 113 of the electrical control box mounting cavity 11 on the electrical control box 2 and the obstacle avoidance effect for disassembling and assembling the wind turbine motor 3, while reducing the deep cavity structure of the electrical control box mounting cavity 11 by half its length on the chassis 1.

[0103] Of course, the length of the recess 114 is not limited to half the length of the electrical control box mounting cavity 11, and can be adjusted according to actual needs.

[0104] In some exemplary embodiments, such as Figure 5 and Figure 7 As shown, a pressure plate fixing part 117 is provided within the recess 114, which is configured to fix the motor pressure plate 4 of the wind turbine motor 3. The motor pressure plate 4 may include a first sub-pressure plate 41 and a second sub-pressure plate 42. The first sub-pressure plate 41 and the second sub-pressure plate 42 are fixedly connected and sleeved around the wind turbine motor 3. The second sub-pressure plate 42 is fixedly connected to the pressure plate fixing part 117 within the recess 114. The pressure plate fixing part 117 may be a screw post, and the second sub-pressure plate 42 can be fixed to the screw post within the recess 114 by screws.

[0105] Of course, the pressure plate fixing part 117 is not limited to screw posts. The motor pressure plate 4 can also be detachably fixed to the pressure plate fixing part 117 by means other than screw fixing. For example, the pressure plate fixing part 117 can be a snap-fit ​​connection part, and the motor pressure plate 4 can be snap-fitted to the pressure plate fixing part 117.

[0106] In this embodiment of the application, when maintaining the fan motor 3, after removing the outer casing of the air conditioner indoor unit and the electrical control box 2, and then removing the first sub-pressure plate 41 and the second sub-pressure plate 42 that fix the motor, it is possible to remove and detach the fan motor 3 without removing the heat exchanger.

[0107] In some exemplary embodiments, the chassis 1 may be integrally formed and may be made of metal (such as stainless steel). Of course, the chassis 1 may also be made of other materials, such as plastic.

[0108] like Figures 1-15 As shown in the illustration, this application also provides an indoor air conditioning unit, including a chassis 1 and an electrical control box 2 as described in any of the above embodiments. The electrical control box 2 is installed in the electrical control box mounting cavity 11 of the chassis 1, and the electrical control box 2 includes a first end face 25. The two ends of the first end face 25 of the electrical control box 2 are respectively supported on the first support portion 111 and the second support portion 113 of the chassis 1. The first end face 25 may be the rear end face of the electrical control box 2, and the upper and lower ends of the rear end face of the electrical control box 2 may be respectively supported on the first support portion 111 and the second support portion 113 within the electrical control box mounting cavity 11 of the chassis 1.

[0109] In the chassis 1, the electrical control box mounting cavity 11, which has a first support part 111, a recessed part 114, and a second support part 113, is generally concave. The electrical control box mounting cavity 11 can support the electrical control box 2 by supporting both ends and suspending in the middle, which can support the miniaturized electrical control box 2 and has a good support effect.

[0110] In some exemplary embodiments, such as Figure 1 As shown, the size H1 of the electrical control box 2 along the front-to-back direction of the indoor unit of the air conditioner is 120-130mm. For example, the size H1 of the electrical control box 2 along the front-to-back direction (the height of the electrical control box 2) can be about 126mm. The size H1 of this electrical control box 2 is smaller than the height of some existing electrical control boxes (the size is about 159mm), thus realizing the miniaturization of the electrical control box 2.

[0111] In some exemplary embodiments, the indoor unit of the air conditioner also includes a front frame and an electrical cover plate mounted to the front frame. The electrical control box 2 has a terminal block, and the distance between the terminal block and the electrical cover plate is 8-20 mm. The electrical cover plate can be installed on the front side of the front frame, and the electrical control box 2 can be located on the rear side of the electrical cover plate, corresponding to the front and rear of the electrical cover plate. Along the front-to-back direction of the indoor unit of the air conditioner, the distance between the terminal block of the electrical control box 2 and the electrical cover plate is 8-20 mm.

[0112] In some exemplary embodiments, the dimensions of the indoor unit are 190-230 mm along the front-to-back direction.

[0113] Along the front-to-back direction of the indoor unit of the air conditioner, by setting the size H1 of the electrical control box 2 to 120-130mm, the distance S0 between the support surface 112 of the first support part 111 of the electrical control box mounting cavity 11 and the second end face 18 of the chassis 1 to 40-90mm, and the size of the indoor unit of the air conditioner to 190-230mm, the wiring position of the miniaturized electrical control box 2 remains basically unchanged during wiring operations, keeping the distance between the wiring socket of the electrical control box 2 and the electrical cover plate at 8-20mm, which facilitates the wiring operation of the electrical control box 2 and eliminates the impact of the miniaturized electrical control box 2's reduced height on the convenience of wiring operations.

[0114] In some exemplary embodiments, the electrical control box 2 is provided with a second latching part 21, which engages with a first latching part provided on the first support part 111. For example... Figure 3 and Figure 4 As shown, the second latching part 21 can be a latching hook provided on the upper part of the rear end face of the electrical control box 2, which can be engaged with the latching interface (first latching part) formed by the opening 15 of the first support part 111.

[0115] In some exemplary embodiments, the control box 2 is provided with a second plug-in portion 22, which is plugged into and cooperates with a first plug-in portion 116 provided on the second support portion 113. For example... Figure 3 and Figure 4 As shown, the second plug-in part 22 can be a buckle provided at the lower part of the rear end face of the electrical control box 2, which can be plugged into and cooperate with the plug hole (first plug-in part 116) provided in the second support part 113.

[0116] In some exemplary embodiments, such as Figures 5-7 As shown, the indoor unit of the air conditioner also includes a fan wheel and a fan wheel motor 3. The fan wheel is installed in the fan wheel mounting cavity 13 of the chassis 1. The fan wheel motor 3 is connected to the fan wheel and is configured to drive the fan wheel to rotate. The fan wheel motor 3 is fixed to the chassis 1 by a motor pressure plate. The motor pressure plate includes a first sub-pressure plate 41 and a second sub-pressure plate 42. The first sub-pressure plate 41 and the second sub-pressure plate 42 are fixedly connected and sleeved on the outside of the fan wheel motor 3. The second sub-pressure plate 42 is fixedly connected to a pressure plate fixing part 117 provided in the recess 114 of the chassis 1.

[0117] The first sub-plate 41 and the second sub-plate 42 of the motor pressure plate can be semi-circular. They can be fitted together and sleeved on the outside of the wind turbine motor 3. The first sub-plate 41 and the second sub-plate 42 can be fixedly connected by screws or other means. The second sub-plate 42 can be fixed by screws to the screw post (pressure plate fixing part 117) in the recess 114 of the chassis 1, so as to fix the wind turbine motor 3 to the chassis 1 through the motor pressure plate.

[0118] In some exemplary embodiments, the indoor unit of the air conditioner is a wall-mounted unit.

[0119] This application also provides an air conditioner, including the indoor unit of the air conditioner in any of the above embodiments.

[0120] In summary, the electrical control box mounting cavity of the indoor unit's chassis is a concave design, which has the following main advantages:

[0121] 1) The chassis has a high support surface to support the miniaturized electrical control box, which is in line with the trend of miniaturization and integration of electrical control components. It is also conducive to reducing the cost of electrical control components. Moreover, it can ensure that the wiring operation position of the miniaturized electrical control box remains unchanged, eliminating the impact of the height difference after the miniaturized electrical control box becomes shorter on the ease of wiring.

[0122] 2) The chassis allows for the installation and removal of the fan motor after the outer casing and electrical control box of the indoor unit are removed, by removing the first and second sub-plates that secure the motor. The recessed portion of the electrical control box mounting cavity on the chassis provides clearance within the fan motor's installation and removal range, ensuring that the installation and removal of the fan motor does not interfere with the chassis when the heat exchanger is not removed. This allows the indoor unit of the air conditioner to have the function of installing and removing the fan motor without removing the heat exchanger.

[0123] 3) The chassis supports the miniaturized electrical control box and avoids the assembly and disassembly stroke of the wind turbine motor, forming a concave support for the electrical control box with both ends supported and a large gap in the middle. Furthermore, by designing recesses and side cavities on the chassis, and by designing an opening in the bottom wall of the electrical control box mounting cavity that runs through the front and rear and engages with the electrical control box, the deep cavity structure on the chassis is minimized. By adding a partition rib in the middle, the deep cavity of the mold is divided in half for the front and rear molds of the forming mold. The design of some ribs to reduce height (e.g., stepped limiting ribs, recesses on reinforcing ribs, etc.) avoids the problem of thin steel in the deep cavity of the chassis. By limiting the position of the partition ribs and side cavities, the direction of the cavities corresponding to the front mold, rear mold, and slider is rationally arranged on the chassis, and the depth of each cavity is rationally distributed. This ensures normal cooling of the forming mold in the corresponding area of ​​the chassis, uniform structural rigidity of the chassis, prevents chassis deformation, and improves the quality of the chassis.

[0124] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are 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 of this application.

[0125] 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 technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of those features.

[0126] In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

[0127] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0128] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0129] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0130] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A chassis for an indoor unit of an air conditioner, characterized in that, include: The electrical control box mounting cavity has a mounting port and is configured for mounting the electrical control box of the indoor unit of the air conditioner; The electrical control box mounting cavity is provided with a first support portion, a second support portion, and a recessed portion. The first support portion and the second support portion are respectively located at both ends of the electrical control box mounting cavity along its length direction and are configured to support the two ends of the first end face of the electrical control box. The recessed portion is located between the first support portion and the second support portion and is recessed toward the side away from the mounting opening. The recessed portion is configured to have a gap with the first end face of the electrical control box.

2. The chassis of the air conditioner indoor unit according to claim 1, characterized in that, The first support includes a support surface for supporting the electrical control box, and the chassis includes a second end face located on the side opposite to the mounting opening. Along the depth direction of the mounting cavity of the electrical control box, the distance between the support surface and the second end face of the chassis is 40-90mm.

3. The chassis of the air conditioner indoor unit according to claim 1 or 2, characterized in that, The chassis also includes a fan wheel mounting cavity, which is located on one side of the width direction of the electrical control box mounting cavity and is configured to mount the fan wheel of the air conditioner indoor unit; The recessed portion penetrates the side wall of the electrical control box mounting cavity on the side away from the fan wheel mounting cavity, and is configured to avoid the fan wheel motor of the indoor air conditioner when it is disassembled or installed.

4. The chassis of the air conditioner indoor unit according to claim 3, characterized in that, The bottom surface of the recess is an arc-shaped surface, which is configured to fit the outer wall surface of the wind turbine motor; or, the bottom surface of the recess is a plane.

5. The chassis of the air conditioner indoor unit according to claim 3, characterized in that, Along the length of the electrical control box mounting cavity, the length of the recess is 1 / 2 of the length of the electrical control box mounting cavity.

6. The chassis of the air conditioner indoor unit according to claim 3, characterized in that, The recessed portion is provided with a pressure plate fixing part, which is configured to fix the motor pressure plate of the wind turbine motor.

7. The chassis of the air conditioner indoor unit according to claim 1 or 2, characterized in that, The bottom wall of the electrical control box mounting cavity has an opening, one end of which penetrates the second end face of the chassis on the side opposite to the mounting port, and the other end penetrates the support surface of the first support part.

8. The chassis of the air conditioner indoor unit according to claim 7, characterized in that, The opening is configured as a card interface that engages with the electrical control box.

9. The chassis of the air conditioner indoor unit according to claim 1 or 2, characterized in that, The chassis also includes a side cavity located on the bottom wall of the electrical control box mounting cavity, facing away from the mounting opening, the side cavity being configured to allow a slider of the forming mold to slide out during chassis forming.

10. The chassis of the air conditioner indoor unit according to claim 9, characterized in that, The chassis also includes a fan wheel mounting cavity, which is located on one side of the width direction of the electrical control box mounting cavity and is configured to mount the fan wheel of the air conditioner indoor unit; Along the width direction of the electrical control box mounting cavity, the side cavity is located on the side of the electrical control box mounting cavity away from the wind turbine mounting cavity, and the side cavity includes a sliding outlet opposite to the wind turbine mounting cavity, the sliding outlet being configured for the sliding block of the molding die to slide out.

11. The chassis of the air conditioner indoor unit according to claim 10, characterized in that, Along the width direction of the mounting cavity of the electrical control box, the depth of the side cavity is set to 1 / 2 of the width of the electrical control box.

12. The chassis of the air conditioner indoor unit according to claim 1 or 2, characterized in that, Limiting portions are provided on both sides of the width direction of the mounting cavity of the electrical control box, and the two limiting portions are configured to cooperate with the opposite sides of the electrical control box for limiting.

13. The chassis of the air conditioner indoor unit according to claim 12, characterized in that, The limiting part includes a baffle rib and a limiting rib. The baffle ribs of the two limiting parts are arranged opposite to each other on both sides of the first support part. The limiting ribs are provided on the side wall surfaces of the baffle ribs of the two limiting parts that are arranged opposite to each other. The limiting ribs of the two limiting parts are configured to cooperate with the opposite sides of the electrical control box for limiting.

14. The chassis of the air conditioner indoor unit according to claim 13, characterized in that, The limiting rib is stepped.

15. The chassis of the air conditioner indoor unit according to claim 12, characterized in that, The chassis also includes a fan wheel mounting cavity, which is located on one side of the width direction of the electrical control box mounting cavity and is configured to mount the fan wheel of the air conditioner indoor unit; The electrical control box mounting cavity is also provided with a partition rib. Along the width direction of the electrical control box mounting cavity, the partition rib is located between the first support part and the limiting part near the side of the wind turbine mounting cavity. Along the depth direction of the electrical control box mounting cavity, the partition rib is located between the support surface of the first support part and the second end face of the chassis facing away from the mounting opening. The partition rib is configured to separate the first sub-mold and the second sub-mold of the molding mold during the molding of the chassis.

16. The chassis of the air conditioner indoor unit according to claim 15, characterized in that, Along the depth direction of the electrical control box mounting cavity, the distance between the partition rib and the support surface of the first support is equal to the distance between the partition rib and the second end face of the chassis.

17. The chassis of the air conditioner indoor unit according to claim 1 or 2, characterized in that, The outer wall of the bottom wall of the electrical control box mounting cavity is provided with reinforcing ribs, and the end face of the reinforcing rib facing away from the bottom wall of the electrical control box mounting cavity is provided with a recess.

18. The chassis of the indoor unit of an air conditioner according to claim 1 or 2, characterized in that, The first support portion is provided with a first latching portion, which is configured to engage with a second latching portion of the electrical control box; and / or The second support portion is provided with a first plug-in portion, which is configured to plug into and cooperate with the second plug-in portion of the electrical control box.

19. An indoor unit for an air conditioner, characterized in that, include: The chassis of the air conditioner indoor unit according to any one of claims 1 to 18; and An electrical control box is installed in the electrical control box mounting cavity of the chassis and includes a first end face. The two ends of the first end face of the electrical control box are respectively supported by a first support part and a second support part of the chassis.

20. The indoor unit of an air conditioner according to claim 19, characterized in that, Along the front-to-back direction of the indoor unit of the air conditioner, the size of the electrical control box is 120-130mm; The indoor unit of the air conditioner also includes a front frame and an electrical cover plate mounted to the front frame; the electrical control box has a terminal block, and the distance between the terminal block and the electrical cover plate is 8-20mm; and / or Along the front-to-back direction of the indoor unit, the dimensions of the indoor unit are 190-230mm.

21. The indoor unit of an air conditioner according to claim 19 or 20, characterized in that, The electrical control box is provided with a second latching part, which engages with a first latching part located on the first support part; and / or The electrical control box is provided with a second plug-in part, which is plugged into and engaged with a first plug-in part provided on the second support part.

22. The indoor unit of an air conditioner according to claim 19 or 20, characterized in that, Also includes: The wind turbine is installed inside the wind turbine mounting cavity of the chassis; and A wind turbine motor is connected to the wind turbine and configured to drive the wind turbine to rotate. The wind turbine motor is fixed to the chassis by a motor pressure plate.

23. The indoor unit of an air conditioner according to claim 22, characterized in that, The motor pressure plate includes a first sub-pressure plate and a second sub-pressure plate. The first sub-pressure plate and the second sub-pressure plate are fixedly connected and sleeved on the outside of the wind turbine motor. The second sub-pressure plate is fixedly connected to a pressure plate fixing part located in the recess of the chassis.

24. An air conditioner, characterized in that, The indoor unit of the air conditioner includes any one of claims 19 to 23.

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