Indoor unit of air conditioner

Abstract

The utility model provides an indoor unit of an air conditioner, relates to the technical field of air conditioners, and is designed for solving the problem that the scheme that a ducted air conditioner is directly adopted as a kitchen air conditioner is difficult to meet the use requirement in a kitchen space. The air conditioner indoor unit comprises a heat exchanger, a wind wheel assembly and an electric control box, the heat exchanger comprises a first side wall, a connecting wall and a second side wall which are sequentially arranged in a U shape, a mounting cavity is defined by the first side wall, the connecting wall and the second side wall, and the wind wheel assembly and the electric control box are both arranged in the mounting cavity; the wind wheel assembly comprises a driving motor and a plurality of wind wheels driven by the driving motor to rotate, the wind wheels are arranged at intervals in the left-right direction, the driving motor and the electric control box are both located in the space between the wind wheels, the electric control box is located between the connecting wall and the driving motor, and the long edge of the electric control box extends in the vertical direction. The kitchen range hood is compact in structure and capable of meeting the use requirement in the kitchen space.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, and more specifically, to an indoor air conditioner. Background Art

[0002] When a ducted air conditioner is in use, it is usually installed inside a ceiling. This makes it necessary to have relatively high requirements for the thickness dimension in the up-and-down direction during the design and manufacturing of the ducted air conditioner, that is: it is necessary to design the ducted air conditioner as thin as possible, while the requirements for the length dimension in the left-and-right direction and the width dimension in the front-and-back direction are relatively low.

[0003] If a ducted air conditioner is directly used as a kitchen air conditioner, since the kitchen space is usually about 4 square meters, and when installing the ducted air conditioner, pipes need to be laid and space needs to be made for the flue in the ceiling space, the originally narrow space becomes extremely limited, making it difficult to meet the usage requirements in the kitchen space. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an indoor air conditioner to solve the technical problem that the solution of directly using a ducted air conditioner as a kitchen air conditioner is difficult to meet the usage requirements in the kitchen space.

[0005] The indoor air conditioner provided by the utility model includes a heat exchanger, a blower assembly, and an electronic control box. The heat exchanger includes a first side wall, a connecting wall, and a second side wall that are sequentially arranged in a U shape. The first side wall, the connecting wall, and the second side wall enclose an installation cavity. The blower assembly and the electronic control box are both arranged in the installation cavity. The blower assembly includes a driving motor and a plurality of blowers driven by the driving motor to rotate. The plurality of blowers are arranged at intervals in the left-and-right direction. The driving motor and the electronic control box are both located in the space between the plurality of blowers, and the electronic control box is located between the connecting wall and the driving motor. The long side of the electronic control box extends in the up-and-down direction. Among them, the left-and-right direction and the front-and-back direction are both perpendicular to the up-and-down direction. The left-and-right direction is the extending direction of the connecting wall, and the front-and-back direction is the extending direction of both the first side wall and the second side wall.

[0006] By setting an indoor air conditioner mainly composed of a heat exchanger, a blower assembly, and an electronic control box, when the indoor air conditioner needs to operate, the driving motor of the blower assembly starts to drive the plurality of blowers to rotate, so that the external air can be discharged after being heat-exchanged by the heat exchanger, and corresponding cooling or heat treatment is performed on the indoor environment.

[0007] By providing a heat exchanger with a U-shaped structure, an installation cavity capable of accommodating the impeller assembly and the electronic control box is formed inside, ensuring the compactness of the indoor air conditioner structure, reducing the occupation of the external space of the heat exchanger, and facilitating the reduction of the length dimension of the indoor air conditioner in the left-right direction and the width dimension in the front-rear direction. By placing the drive motor of the impeller assembly and the electronic control box for controlling the operation of the indoor air conditioner in the space between multiple impellers, and positioning the electronic control box between the connecting wall and the drive motor, such that the electronic control box and the drive motor are arranged in the front-rear direction, not only is the space between multiple impellers fully utilized, but also the occupation of the height space is reduced, facilitating the reduction of the thickness dimension of the indoor air conditioner in the up-down direction.

[0008] In addition, by extending the long side of the electronic control box in the up-down direction, that is, vertically placing the electronic control box between two impellers, the occupation of the space in the left-right direction and the front-rear direction can be further reduced. Moreover, the U-shaped heat exchanger can reduce the occupation of space while ensuring the heat exchange capacity, enabling the indoor air conditioner to be installed in a narrow kitchen space and used as a kitchen air conditioner, effectively solving the technical problem that existing duct machines are difficult to meet the usage requirements in the kitchen space.

[0009] Furthermore, the indoor air conditioner further includes a housing. The heat exchanger, the impeller assembly, and the electronic control box are all disposed inside the housing. Air inlet openings are provided at positions of the housing adjacent to and opposite the first side wall, the connecting wall, and the second side wall. The housing is also provided with an air outlet for guiding the conditioned air into the room. By providing air inlet openings at positions of the housing adjacent to and opposite the first side wall, the connecting wall, and the second side wall, on the one hand, three-sided air intake can be formed, increasing the air intake volume, and on the other hand, the air flow can exchange heat with the heat exchanger immediately after entering the housing, resulting in a relatively high heat exchange efficiency.

[0010] Furthermore, the housing includes a left wall and a right wall that are opposite and spaced apart in the left-right direction, a front wall and a rear wall that are opposite and spaced apart in the front-rear direction, and an upper wall and a lower wall that are opposite and spaced apart in the up-down direction. The air inlet openings are provided on the left wall, the right wall, and the rear wall; the air outlet is provided on the front wall; the impeller assembly further includes a motor bracket, and the motor bracket is fixedly connected to the front wall and / or the upper wall, and the drive motor is installed on the motor bracket. Such a setting form of the housing makes the shape of the indoor air conditioner approximately a cuboid structure, facilitating installation inside the ceiling. By fixedly arranging the motor bracket on the housing, the housing serves as the installation base for the motor bracket, thus ensuring the installation stability of the drive motor.

[0011] Further, the size of the housing in the left - right direction is less than 600 mm, the size of the housing in the front - back direction is less than 250 mm, and the size of the housing in the up - down direction is less than 230 mm. By setting the housing within the above - mentioned size range, after removing the aluminum gusset plate, the air - conditioner indoor unit can be directly inserted into the ceiling internal space from bottom to top, realizing the installation without damaging the ceiling and cutting the keel on the basis of the kitchen with a decorated ceiling.

[0012] Further, the motor bracket is provided with a support portion, and the support portion is used to support and fixedly connect the electric control box. This setting can support and fix the electric control box to reduce the shaking of the electric control box during the operation of the air - conditioner indoor unit.

[0013] Further, the air - conditioner indoor unit further includes a water receiving tray, and the water receiving tray is located below the heat exchanger. This setting can centrally collect the condensed water generated during the operation of the heat exchanger, preventing the condensed water from dripping onto the ceiling and damaging the ceiling.

[0014] Further, along the front - back direction, the size of the first side wall is less than the size of the second side wall. The first side wall forms an installation notch at its free end, and the installation notch is opposite to the second side wall in the left - right direction. The air - conditioner indoor unit further includes a water pump, and the water pump is arranged in the installation notch. The water pump is used to discharge the condensed water received by the water receiving tray. By arranging the water pump in the above - mentioned position, the blockage of the air flow during the air intake process can be reduced, thereby weakening the influence on the air field and ensuring the air intake volume and the air outlet volume. In addition, the setting of the water pump can actively drain the water receiving tray to ensure the drainage reliability of the water receiving tray.

[0015] Further, the water receiving tray is provided with a water guiding area and a drainage port. The water guiding area is located directly below the heat exchanger. The water receiving tray has a first side edge and a second side edge arranged at intervals in the left - right direction. Among them, the drainage port is arranged on the first side edge. From the direction of the second side edge to the first side edge, the water guiding area gradually slopes downward. This setting enables the condensed water generated during the operation of the heat exchanger to directly drip into the water guiding area, and the inclined setting of the water guiding area guides the condensed water to the drainage port, thereby achieving the purpose of gravity drainage.

[0016] Further, the water receiving tray is further provided with a sinking structure, and the sinking structure is located between the water guiding area and the drainage port. The water inlet of the water pump is communicated with the sinking structure. This setting enables the condensed water to pass through the sinking structure during the flow from the water guiding area to the drainage port, so as to use the sinking structure to precipitate the impurities in the condensed water, prevent the impurities from being sucked into the water pump and blocking or even damaging the water pump, playing a certain protective role for the water pump.

[0017] Furthermore, the sinking structure is provided with a plurality of water retaining strips, and the plurality of water retaining strips form a labyrinth flow channel from the water guide area to the drain outlet. This arrangement can form a labyrinth flow channel between the water guide area and the drain outlet, and the water retaining strips can hinder the flow of condensed water, thereby blocking impurities therein and preventing the impurities from flowing out and blocking the drain outlet.

[0018] Furthermore, the water receiving tray is also provided with a U-shaped fixing area, a first retaining rib and a second retaining rib. The U-shaped direction of the U-shaped fixing area is the same as the U-shaped direction of the heat exchanger, and the heat exchanger is clamped in the U-shaped fixing area; the first retaining rib is provided at the first end of the U-shaped fixing area, and the second retaining rib is provided at the second end of the U-shaped fixing area, and the first retaining rib separates the sinking structure from the U-shaped fixing area. By providing the above-mentioned U-shaped fixing area in the water receiving tray, the heat exchanger can be fixed, and by providing the first retaining rib and the second retaining rib at the two ends of the U-shaped fixing area respectively, the heat exchanger can also be limited to prevent the heat exchanger from moving forward.

[0019] Furthermore, the air conditioner indoor unit further comprises a plug, the plug comprising a blocking section and a plug-in section arranged along the axial direction, the blocking section is used to block the drain port, and an operation hole is provided at one end of the plug-in section away from the blocking section. This arrangement not only achieves the blocking of the drain port to prevent the condensed water in the water receiving tray from overflowing, but also the operation hole provided in the plug facilitates the operator to apply force thereto to complete the plug-in operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the internal structure of an air-conditioning indoor unit provided in Embodiment 1 of the present utility model;

[0022] Figure 2 A top structural sectional view of an air conditioner indoor unit provided in Embodiment 1 of the utility model;

[0023] Figure 3 A schematic diagram of the external structure of an air conditioner indoor unit provided in Embodiment 1 of the present utility model;

[0024] Figure 4 A schematic diagram of the top view of the indoor unit of an air conditioner provided in the first embodiment of the utility model;

[0025] Figure 5 Schematic structural diagram of the water receiving tray of the indoor unit of the air conditioner provided in the first embodiment of the present utility model;

[0026] Figure 6 Top view structural diagram of the water receiving tray of the indoor unit of the air conditioner provided in the first embodiment of the present utility model;

[0027] Figure 7 Schematic structural diagram of the plug of the indoor unit of the air conditioner provided in the first embodiment of the present utility model;

[0028] Figure 8 Internal structural diagram of the indoor unit of the air conditioner provided in the second embodiment of the present utility model;

[0029] Figure 9 Schematic structural diagram of the motor bracket of the indoor unit of the air conditioner provided in the second embodiment of the present utility model.

[0030] Explanation of reference numerals:

[0031] 100 - Heat exchanger; 200 - Wind wheel assembly; 300 - Electric control box; 400 - Outer shell; 500 - Water receiving tray; 600 - Water pump; 700 - Plug;

[0032] 110 - First side wall; 120 - Connecting wall; 130 - Second side wall;

[0033] 210 - Driving motor; 211 - Output shaft; 220 - Wind wheel; 230 - Motor bracket; 231 - Support part; 240 - Air duct;

[0034] 410 - Left wall; 420 - Right wall; 430 - Front wall; 440 - Rear wall; 450 - Upper wall; 460 - Lower wall; 470 - Air intake; 480 - Air outlet;

[0035] 510 - Water guide area; 520 - Drainage port; 530 - First side edge; 540 - Second side edge; 550 - Sinking structure; 551 - Water retaining strip; 560 - U - shaped fixing area; 570 - First retaining rib; 580 - Second retaining rib;

[0036] 710 - Sealing section; 720 - Plug - in section; 721 - Operation hole. Detailed implementation manners

[0037] Currently, the interior of the air duct machine is divided into a heat exchanger chamber and a fan chamber. In order to increase the heat exchange area, the heat exchanger is usually inclined and placed in the heat exchanger chamber, which results in a relatively large width of the air duct machine and occupies a large amount of space in the ceiling interior along the front - rear direction. Moreover, the existing air duct machines mainly adopt the air - outlet mode of side air vents. In order to increase the air - outlet volume, the air vents are usually made thinner and longer, which results in a relatively large length of the air duct machine and occupies a large amount of space in the ceiling interior along the left - right direction.

[0038] Therefore, if the structure of the existing air duct machine is directly transferred to the kitchen air conditioner, it is obviously too large in size to meet the usage requirements of the narrow kitchen space, and there is a large room for improvement.

[0039] Based on this, the purpose of the present utility model is to provide an indoor air conditioner to solve the technical problem that it is difficult to meet the usage requirements in the kitchen space by directly using the air duct machine as the kitchen air conditioner.

[0040] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0041] Embodiment 1

[0042] Figure 1 is a schematic internal structure diagram of the indoor air conditioner provided in Embodiment 1; Figure 2 is a top view structural cross-sectional view of the indoor air conditioner provided in Embodiment 1. As Figure 1 and Figure 2 shown, this embodiment provides an indoor air conditioner, including a heat exchanger 100, a blower wheel assembly 200, and an electric control box 300. Specifically, the heat exchanger 100 includes a first side wall 110, a connecting wall 120, and a second side wall 130 that are sequentially arranged in a U shape. The first side wall 110, the connecting wall 120, and the second side wall 130 enclose an installation cavity, and both the blower wheel assembly 200 and the electric control box 300 are arranged in the installation cavity; the blower wheel assembly 200 includes a driving motor 210 and a plurality of blower wheels 220 driven to rotate by the driving motor 210. The plurality of blower wheels 220 are arranged at intervals in the left-right direction. The driving motor 210 and the electric control box 300 are both located in the space between the plurality of blower wheels 220, and the electric control box 300 and the driving motor 210 are arranged at intervals in the front-back direction. The long side of the electric control box 300 extends in the up-down direction, wherein the left-right direction and the front-back direction are both perpendicular to the up-down direction, the left-right direction is the extending direction of the connecting wall 120, and the front-back direction is the extending direction of both the first side wall 110 and the second side wall 130.

[0043] It should be noted that in this embodiment, the "left-right direction" can be represented by the arrow ab in Figure 1 , the "front-back direction" can be represented by the arrow cd in Figure 1 , and the "up-down direction" can be represented by the arrow ef in Figure 1 .

[0044] When the air conditioner indoor unit needs to operate, the driving motor 210 of the impeller assembly 200 starts, driving multiple impellers 220 to rotate, so that the external air can be discharged after heat exchange treatment by the heat exchanger 100, and corresponding refrigeration or heat treatment is performed on the indoor environment.

[0045] By arranging the heat exchanger 100 with a U-shaped structure, an installation cavity that can accommodate the impeller assembly 200 and the electronic control box 300 is formed inside the air conditioner indoor unit, ensuring the structural compactness of the air conditioner indoor unit, reducing the occupation of the external space of the heat exchanger 100, and being beneficial to reducing the length dimension of the air conditioner indoor unit in the left-right direction and the width dimension in the front-back direction; by placing the driving motor 210 of the impeller assembly 200 and the electronic control box 300 for controlling the operation of the air conditioner indoor unit in the space between multiple impellers 220, and making the electronic control box 300 located between the connecting wall 120 and the driving motor 210, so that the electronic control box 300 and the driving motor 210 are arranged in the front-back direction, not only realizes the full utilization of the space between multiple impellers 220, but also reduces the occupation of the height space, and is beneficial to reducing the thickness dimension of the air conditioner indoor unit in the up-down direction.

[0046] In addition, by making the long side of the electronic control box 300 extend in the up-down direction, that is, placing the electronic control box 300 vertically between two impellers 220, it can further reduce the occupation of the space in the left-right direction and the front-back direction, and the U-shaped heat exchanger 100 can also reduce the occupation of the space while ensuring the heat exchange quantity, so that the air conditioner indoor unit can be installed in a narrow kitchen space and used as a kitchen air conditioner, effectively solving the technical problem that the existing duct machine is difficult to meet the use requirements in the kitchen space.

[0047] In addition, through the above settings of the air conditioner indoor unit, during its operation, the flow path of the external air flow is to pass through the heat exchanger 100 first and then through the impeller assembly 200, which is a suction air flow process. Compared with the blowing air flow process of the conventional duct machine, the heat exchange effect is improved.

[0048] It should be noted that in this embodiment, the electronic control box 300 is generally a "flat and wide" cuboid structure, and the thickness direction of the electronic control box 300 is along the front-back direction.

[0049] Please continue to refer to Figure 1 and Figure 2 , in this embodiment, the driving motor 210 is a biaxial motor, the two output shafts 211 of the driving motor 210 are arranged in opposite directions in the left-right direction, the number of impellers 220 is two, and the two impellers 220 are respectively fixedly sleeved on the two output shafts 211 of the driving motor 210.

[0050] When the air conditioner indoor unit is operating, the driving motor 210 outputs rotational power through two output shafts 211 arranged in opposite directions, driving the impeller 220 fixedly sleeved on the output shaft 211 to rotate, so as to form a negative pressure in the installation cavity. By utilizing the negative pressure effect, the outside air flow can be sucked in, and after heat exchange with the heat exchanger 100, it is sent into the indoor space, thereby achieving the purpose of refrigeration or heating.

[0051] This form of using one driving motor 210 to simultaneously drive two impellers 220 can save space and is beneficial to further reducing the size of the air conditioner indoor unit. In addition, by arranging the electronic control box 300 between the connection wall 120 and the driving motor 210, the electronic control box 300 is closer to the heat exchanger 100. When the air conditioner indoor unit operates in the refrigeration mode, the heat exchanger 100 can be used for heat dissipation and temperature reduction, which is beneficial to ensuring the electronic control performance of the electronic control box 300.

[0052] Please continue to refer to Figure 1 , in this embodiment, the impeller assembly 200 further includes two air ducts 240. Among them, the two impellers 220 are respectively rotatably installed in the two air ducts 240 one by one, and the air outlet 480 is located at the outlet of the air duct 240.

[0053] Figure 3 is a schematic diagram of the external structure of the air conditioner indoor unit provided in the first embodiment of the present invention; Figure 4 is a schematic top view structure diagram of the air conditioner indoor unit provided in the first embodiment of the present invention. Please continue to refer to Figure 1 and Figure 2 , and in combination with Figure 3 and Figure 4 , in this embodiment, the air conditioner indoor unit may further include a housing 400. Specifically, the heat exchanger 100, the impeller assembly 200, and the electronic control box 300 are all arranged inside the housing 400. The housing 400 is provided with air inlets 470 at positions adjacent to and opposite to the first side wall 110, the connection wall 120, and the second side wall 130, and the housing 400 is further provided with an air outlet 480 for guiding the air conditioner air into the room.

[0054] When the air conditioner indoor unit is operating, under the action of the driving motor 210, a negative pressure is generated inside the housing 400, so that the air flow outside the housing 400 can enter through the air inlets 470 for heat exchange with the heat exchanger 100. After the air is cooled or heated, it is then sent into the indoor space through the air outlet 480.

[0055] With the above arrangement of the outer casing 400, a relatively enclosed space can be formed from the air inlet 470 to the air outlet 480, which is beneficial for cooling or heating the air flow and improves the energy efficiency. Moreover, by providing air inlets 470 at the positions adjacent to and opposite to the first side wall 110, the connecting wall 120, and the second side wall 130 of the outer casing 400, on the one hand, three-sided air intake can be achieved, increasing the air intake volume, and on the other hand, the air flow can exchange heat with the heat exchanger 100 immediately after entering the outer casing 400, resulting in a relatively high heat exchange efficiency.

[0056] In this embodiment, the air intake and outlet paths of the air conditioner indoor unit are as Figure 2 shown by the hollow arrows in the figure.

[0057] Please continue to refer to Figures 1 to 4 In this embodiment, the outer casing 400 may include a left wall 410 and a right wall 420 that are opposite and spaced apart in the left-right direction, a front wall 430 and a rear wall 440 that are opposite and spaced apart in the front-rear direction, and an upper wall 450 and a lower wall 460 that are opposite and spaced apart in the up-down direction. Among them, the air inlets 470 are provided on the left wall 410, the right wall 420, and the rear wall 440; the air outlet 480 is provided on the front wall 430; the impeller assembly 200 further includes a motor bracket 230, and the motor bracket 230 is fixedly connected to the front wall 430, and the drive motor 210 is installed on the motor bracket 230.

[0058] With the above arrangement of the outer casing 400, the shape of the air conditioner indoor unit is generally a cuboid structure, which is convenient for transportation and installation inside the ceiling. By fixedly arranging the motor bracket 230 on the front wall 430 of the outer casing 400, the front wall 430 of the outer casing 400 serves as the installation base for the motor bracket 230, thus ensuring the installation stability of the drive motor 210.

[0059] In this embodiment, the dimension of the outer casing 400 in the left-right direction is less than 600 mm, the dimension of the outer casing 400 in the front-rear direction is less than 250 mm, and the dimension of the outer casing 400 in the up-down direction is less than 230 mm. For Figure 3 illustration, that is, L < 600 mm, B < 250 mm, H < 230 mm.

[0060] By setting the outer casing 400 within the above-mentioned dimension range, after removing the aluminum gusset plates, the air conditioner indoor unit can be directly inserted into the ceiling internal space from bottom to top, realizing installation without damaging the ceiling and cutting the keels on the premise that the kitchen ceiling has been decorated.

[0061] Figure 5 FIG. is a schematic structural view of the water receiving tray 500 of the air conditioner indoor unit provided in the first embodiment; Figure 6 FIG. is a top view structural schematic of the water receiving tray 500 of the air conditioner indoor unit provided in the first embodiment. Please continue to refer to Figure 1, and in combination with Figure 5 and Figure 6 , in this embodiment, the air conditioner indoor unit may further include a water receiving tray 500, wherein the water receiving tray 500 is located below the heat exchanger 100.

[0062] By arranging the water receiving tray 500 below the heat exchanger 100, centralized collection of the condensed water generated during the operation of the heat exchanger 100 can be achieved, avoiding damage to the ceiling caused by the condensed water dripping onto the ceiling.

[0063] Please continue to refer to Figure 1 and Figure 2 , in this embodiment, along the front-back direction, the size of the first side wall 110 is smaller than that of the second side wall 130. The first side wall 110 forms an installation notch at its free end, and the installation notch faces the second side wall 130 in the left-right direction; the air conditioner indoor unit may further include a water pump 600, wherein the water pump 600 is arranged in the installation notch, and the water pump 600 is used to drain the condensed water received by the water receiving tray 500. That is to say, the water pump 600 is arranged on one side of the internal space of the housing 400.

[0064] By arranging the water pump 600 at the above position, the blockage of the air flow during the air intake process can be reduced, thereby weakening the influence on the air field and ensuring the air intake volume and the air outlet volume. In addition, the arrangement of the water pump 600 can achieve the active drainage of the water receiving tray 500 to ensure the drainage reliability of the water receiving tray 500.

[0065] Please continue to refer to Figure 5 and Figure 6 , in this embodiment, the water receiving tray 500 is provided with a water guiding area 510 and a drainage port 520. Specifically, the water guiding area 510 is located directly below the heat exchanger 100. The water receiving tray 500 has a first side edge 530 and a second side edge 540 arranged at intervals in the left-right direction, wherein the drainage port 520 is arranged on the first side edge 530; in the direction from the second side edge 540 to the first side edge 530, the water guiding area 510 gradually slopes downward.

[0066] The above arrangement enables the condensed water generated during the operation of the heat exchanger 100 to directly drip onto the water guiding area 510, and the inclined arrangement of the water guiding area 510 is used to guide the condensed water to the drainage port 520, thereby achieving the purpose of gravity drainage.

[0067] It should be noted that, in this embodiment, the drainage port 520 arranged on the water receiving tray 500 can be used as a standby port, and the drainage by the water pump 600 is the main drainage method. Among them, the water pump 600 has an independent water outlet.

[0068] Please continue to refer to Figure 5 and Figure 6, in this embodiment, a sunken structure 550 can also be provided in the water receiving tray 500. Specifically, the sunken structure 550 is located between the water guiding area 510 and the drain port 520, and the water inlet of the water pump 600 is communicated with the sunken structure 550.

[0069] By providing the sunken structure 550 communicated with the water inlet of the water pump 600 between the water guiding area 510 and the drain port 520, when the condensed water flows from the water guiding area 510 to the drain port 520, it will pass through the sunken structure 550, so as to use the sunken structure 550 to precipitate the impurities in the condensed water, prevent the impurities from being sucked into the water pump 600 and blocking or even damaging the water pump 600, which plays a certain protective role for the water pump 600.

[0070] In this embodiment, the sunken structure 550 is located below the water pump 600. This setting not only utilizes the connection between the sunken structure 550 and the water inlet of the water pump 600, but also can utilize the sunken structure 550 to provide a certain installation clearance for the water pump 600, so as to improve the assembly efficiency of the water pump 600.

[0071] Please continue to refer to Figure 5 and Figure 6 , in this embodiment, the sunken structure 550 is provided with a plurality of water retaining bars 551. Among them, the plurality of water retaining bars 551 form a labyrinth flow channel from the water guiding area 510 to the drain port 520. That is to say, when the condensed water flows from the water guiding area 510 to the drain port 520, it will pass through the labyrinth flow channel formed by the plurality of water retaining bars 551.

[0072] By providing the above-mentioned water retaining bars 551 in the sunken structure 550, a labyrinth flow channel can be formed between the water guiding area 510 and the drain port 520. By using the blocking effect of the water retaining bars 551 on the flow of the condensed water, the impurities can be blocked, and the drain port 520 can be prevented from being blocked by the outflow of the impurities.

[0073] Please continue to refer to Figure 5 and Figure 6 , in this embodiment, the water receiving tray 500 can also be provided with a U-shaped fixing area 560, a first retaining rib 570 and a second retaining rib 580. Specifically, the U-shaped direction of the U-shaped fixing area 560 is the same as the U-shaped direction of the heat exchanger 100, and the heat exchanger 100 is clamped in the U-shaped fixing area; the first retaining rib 570 is arranged at the first end of the U-shaped fixing area 560, the second retaining rib 580 is arranged at the second end of the U-shaped fixing area 560, and the first retaining rib 570 separates the sunken structure 550 from the U-shaped fixing area 560.

[0074] By providing the above-mentioned U-shaped fixing area 560 in the water receiving tray 500, the fixing of the heat exchanger 100 can be achieved. Moreover, by providing a first retaining rib 570 and a second retaining rib 580 at the two end portions of the U-shaped fixing area 560 respectively, a limiting effect on the heat exchanger 100 can also be achieved, preventing the heat exchanger 100 from moving forward ( Figure 5 and Figure 6 in the direction indicated by the arrow c in

[0075] ). Additionally, the first retaining rib 570 also serves to separate the sunken structure 550 from the U-shaped fixing area 560, so that the condensed water in the sunken structure 550 will not splash onto the U-shaped fixing area 560 to interfere with the electronic control box 300, providing a certain waterproof protection effect on the electronic control box 300 and reducing the risk of water ingress into the electronic control box 300.

[0076] Figure 7 The figure is a schematic structural diagram of the plug 700 of the air conditioner indoor unit provided in the first embodiment. As Figure 7 shown, the air conditioner indoor unit may further include a plug 700. Specifically, the plug 700 includes a blocking section 710 and a plugging and unplugging section 720 arranged along the axial direction. The blocking section 710 is used to block the drain port 520, and an operation hole 721 is provided at one end of the plugging and unplugging section 720 facing away from the blocking section 710.

[0077] In the operating state of the air conditioner indoor unit, the plug 700 blocks the drain port 520 through the blocking section 710. When it is necessary to drain the condensed water in the water receiving tray 500 through the drain port 520, a force can be applied to the plugging and unplugging section 720 through the operation hole 721 to remove the blocking section 710 from the drain port 520, exposing the drain port 520, so as to drain the condensed water in the water receiving tray 500 through the drain port 520.

[0078] The provision of the above-mentioned plug 700 not only realizes the blocking of the drain port 520 to prevent the condensed water in the water receiving tray 500 from overflowing, but also the operation hole 721 provided on the plug 700 is conducive to the operator applying a force to it to complete the plugging and unplugging operation.

[0079] In this embodiment, a tower-shaped joint may be provided at the drain port 520.

[0080] It should be noted that in this embodiment, the blocking section 710 blocks the drain port 520 by being inserted into the drain port 520. Among them, the material of the plug 700 may be rubber. In other embodiments, a connection structure adapted to the tower-shaped joint may also be provided on the blocking section 710 to achieve the connection between the plug 700 and the drain port 520 and the blocking of the drain port 520.

[0081] Embodiment Two

[0082] This embodiment provides another form of an air conditioner indoor unit, which is different from the air conditioner indoor unit in the first embodiment described above as follows.

[0083] Figure 8 It is a schematic diagram of the internal structure of the air conditioner indoor unit provided in the second embodiment; Figure 9 It is a schematic diagram of the motor bracket 230 of the air conditioner indoor unit provided in the second embodiment. As Figure 8 and Figure 9 shown, the motor bracket 230 is provided with a supporting portion 231, and the supporting portion 231 is used to support and fixedly connect the electric control box 300.

[0084] The above setting form of the motor bracket 230 can not only realize the installation of the driving motor 210 relative to the housing 400, but also realize the support and fixation of the electric control box 300 to reduce the shaking of the electric control box 300 during the operation of the air conditioner indoor unit.

[0085] Although the present utility model is disclosed as above, the present utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the scope defined by the claims.

[0086] Finally, it should also be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0087] In the above embodiments, the descriptions of directions such as "up", "down", "front", "rear", "left", "right", "side", etc. are all based on the drawings shown.

[0088] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. An air conditioner indoor unit, characterized in that, It includes a heat exchanger (100), a wind wheel assembly (200) and an electric control box (300). The heat exchanger (100) includes a first side wall (110), a connecting wall (120) and a second side wall (130) which are arranged in a U shape in sequence. The first side wall (110), the connecting wall (120) and the second side wall (130) enclose an installation cavity. The wind wheel assembly (200) and the electric control box (300) are both arranged in the installation cavity. The wind wheel assembly (200) includes a driving motor (210) and a plurality of wind wheels (220) driven by the driving motor (210) to rotate. The plurality of wind wheels (220) are arranged at intervals in the left-right direction. The driving motor (210) and the electric control box (300) are both located in the space between the plurality of wind wheels (220), and the electric control box (300) is located between the connecting wall (120) and the driving motor (210). The long side of the electric control box (300) extends in the up-down direction. Wherein, both the left-right direction and the front-back direction are perpendicular to the up-down direction. The left-right direction is the extending direction of the connecting wall (120), and the front-back direction is the extending direction of both the first side wall (110) and the second side wall (130).

2. The air conditioner indoor unit according to claim 1, characterized in that, The indoor air conditioner further includes a housing (400). The heat exchanger (100), the wind wheel assembly (200) and the electric control box (300) are all arranged inside the housing (400). The housing (400) is provided with air inlet openings (470) at positions adjacent to and opposite to the first side wall (110), the connecting wall (120) and the second side wall (130). The housing (400) is also provided with an air outlet (480) for guiding the air conditioner air into the room.

3. The air conditioner indoor unit according to claim 2, characterized in that, The housing (400) includes a left wall (410) and a right wall (420) which are opposite and spaced apart in the left-right direction, a front wall (430) and a rear wall (440) which are opposite and spaced apart in the front-back direction, and an upper wall (450) and a lower wall (460) which are opposite and spaced apart in the up-down direction. The air inlet openings (470) are formed in the left wall (410), the right wall (420) and the rear wall (440). The air outlet (480) is formed in the front wall (430). The wind wheel assembly (200) further includes a motor bracket (230). The motor bracket (230) is fixedly connected to the front wall (430) and / or the upper wall (450), and the driving motor (210) is installed on the motor bracket (230).

4. The air conditioner indoor unit according to claim 3, wherein, The size of the housing (400) in the left-right direction is less than 600 mm, the size of the housing (400) in the front-back direction is less than 250 mm, and the size of the housing (400) in the up-down direction is less than 230 mm.

5. The air conditioner indoor unit according to claim 3, wherein, The motor bracket (230) is provided with a supporting portion (231) for supporting and fixedly connecting the electric control box (300).

6. The air conditioner indoor unit according to any one of claims 1-5, characterized in that, Along the front-rear direction, the size of the first side wall (110) is smaller than that of the second side wall (130). The first side wall (110) forms an installation notch at its free end, and the installation notch faces the second side wall (130) along the left-right direction. The indoor air conditioner further includes a water pump (600), and the water pump (600) is disposed in the installation notch.

7. The air conditioner indoor unit according to claim 6, characterized in that, The indoor air conditioner further includes a water receiving tray (500). The water receiving tray (500) is located below the heat exchanger (100). The water pump (600) is used to drain the condensed water received by the water receiving tray (500). The water receiving tray (500) is provided with a water guiding area (510) and a drain port (520). The water guiding area (510) is located directly below the heat exchanger (100). The water receiving tray (500) has a first side edge (530) and a second side edge (540) spaced along the left-right direction. Among them, the drain port (520) is provided on the first side edge (530). From the second side edge (540) to the first side edge (530), the water guiding area (510) gradually slopes downward.

8. The air conditioner indoor unit according to claim 7, characterized in that, The water receiving tray (500) is further provided with a sinking structure (550). The sinking structure (550) is located between the water guiding area (510) and the drain port (520). The water inlet of the water pump (600) is communicated with the sinking structure (550). The sinking structure (550) is provided with a plurality of water blocking strips (551), and the plurality of water blocking strips (551) form a labyrinth flow channel from the water guiding area (510) to the drain port (520).

9. The air conditioner indoor unit according to claim 8, characterized in that, The water receiving tray (500) is further provided with a U-shaped fixing area (560), a first rib (570) and a second rib (580). The U-shaped direction of the U-shaped fixing area (560) is the same as that of the heat exchanger (100), and the heat exchanger (100) is clamped in the U-shaped fixing area (560). The first rib (570) is provided at the first end of the U-shaped fixing area (560), and the second rib (580) is provided at the second end of the U-shaped fixing area (560), and the first rib (570) separates the sinking structure (550) from the U-shaped fixing area (560).

10. The air conditioner indoor unit according to claim 7, characterized in that, The indoor air conditioner further includes a plug (700). The plug (700) includes a plugging section (710) and a plugging and unplugging section (720) arranged axially. The plugging section (710) is used to plug the drain port (520), and an operation hole (721) is opened at one end of the plugging and unplugging section (720) facing away from the plugging section (710).

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