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 shell, a direct-discharge type heat exchanger, a water pump, an electric control box and a wind wheel assembly, the shell is provided with an inner cavity, an air induction opening and an air supply opening, the direct-discharge type heat exchanger is longitudinally arranged in the inner cavity, the direction of the direct-discharge type heat exchanger is in the left-right direction, and the direct-discharge type heat exchanger is a multi-row heat exchanger; the wind wheel assembly is arranged in the inner cavity, and the wind wheel assembly and the straight-row type heat exchanger are arranged in the front-back direction. The water pump and the electric control box are arranged in the inner cavity and arranged on the two sides of the wind wheel assembly in the left-right direction respectively. Or the water pump and the electric control box are arranged on the same side of the wind wheel assembly in the left-right direction, and the water pump and the electric control box are arranged in the front-back 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-down direction during the design and manufacture of the ducted air conditioner, that is, it is necessary to design the ducted air conditioner as thin as possible, while having relatively low requirements for the length dimension in the left-right direction and the width dimension in the front-back direction.

[0003] If the 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 given to 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 it is difficult to meet the usage requirements in the kitchen space when directly using a ducted air conditioner as a kitchen air conditioner.

[0005] The indoor air conditioner provided by the utility model includes a housing, a direct - discharge heat exchanger, a water pump, an electric control box and a wind wheel assembly. The housing has an inner cavity, an air inlet and an air outlet. The direct - discharge heat exchanger is longitudinally arranged in the inner cavity, and the direction of the direct - discharge heat exchanger is along the left - right direction. The direct - discharge heat exchanger is a multi - row heat exchanger. The wind wheel assembly is arranged in the inner cavity, and the wind wheel assembly and the direct - discharge heat exchanger are arranged in the front - back direction. The water pump and the electric control box are both arranged in the inner cavity. Among them, the water pump and the electric control box are respectively arranged on both sides of the wind wheel assembly along the left - right direction;

[0006] Alternatively, the water pump and the electric control box are arranged on the same side of the wind wheel assembly along the left - right direction, and the water pump and the electric control box are arranged in the front - back direction.

[0007] By setting an indoor air conditioner mainly composed of a housing, a direct - discharge heat exchanger, a water pump, an electric control box and a wind wheel assembly, when the indoor air conditioner needs to operate, the wind wheel assembly starts, generating a negative pressure effect in the inner cavity of the housing, enabling external air to enter through the air inlet, and after heat exchange treatment with the direct - discharge heat exchanger, being discharged from the air outlet to perform corresponding cooling or heating treatment on the indoor environment.

[0008] By longitudinally disposing the direct - flow heat exchanger in the inner cavity, that is, making the direct - flow heat exchanger substantially perpendicular to the bottom wall of the housing, the space occupied by the direct - flow heat exchanger in the inner cavity along the front - to - back direction can be reduced, which is beneficial to narrowing the width dimension of the air - conditioner indoor unit along the front - to - back direction. At the same time, by setting the direct - flow heat exchanger as a multi - row heat exchanger, the heat exchange capacity can be ensured without occupying the front - to - back space.

[0009] By separately arranging the water pump and the electric control box on both sides of the impeller assembly along the left - to - right direction, the impeller assembly is located in the space surrounded by the water pump, the direct - flow heat exchanger and the electric control box, realizing the reasonable utilization of the inner - cavity space, reducing the length dimension of the air - conditioner indoor unit along the left - to - right direction and the thickness dimension along the up - to - down direction, and ensuring the structural compactness of the air - conditioner indoor unit. Or, by arranging the water pump and the electric control box on the same side of the impeller assembly along the left - to - right direction and arranging the water pump and the electric control box along the front - to - back direction, the space occupied in the left - to - right direction of the inner cavity can be further reduced, which is beneficial to further narrowing the length dimension of the air - conditioner indoor unit along the left - to - right direction.

[0010] It can be seen that through the above settings, the air - conditioner indoor unit realizes structural compactness, with relatively small length, width and thickness dimensions. Therefore, 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 machines are difficult to meet the usage requirements in the kitchen space.

[0011] Furthermore, the direct - flow heat exchanger is a three - row heat exchanger. This setting can not only meet the heat exchange capacity requirements of the direct - flow heat exchanger, but also prevent the thickness of the direct - flow heat exchanger from being too large, avoiding excessive occupation of the front - to - back space.

[0012] Furthermore, the housing includes a left wall and a right wall that are opposite and spaced apart along the left - to - right direction, a front wall and a rear wall that are opposite and spaced apart along the front - to - back direction, and an upper wall and a lower wall that are opposite and spaced apart along the up - to - down direction. The direct - flow heat exchanger is close to the rear wall, and the impeller assembly is located between the direct - flow heat exchanger and the front wall; the air inlet is opened on the rear wall, and the air outlet is opened on the front wall. The above - mentioned setting form of the housing makes the outer shape of the air - conditioner indoor unit approximately a cuboid structure, which is convenient for transportation and installation inside the ceiling. By opening the air inlet on the rear wall and making the direct - flow heat exchanger close to the rear wall, the external air flow can exchange heat with the direct - flow heat exchanger immediately after entering the inner cavity of the housing, with relatively high heat - exchange efficiency.

[0013] Further, the left wall, the rear wall, and the right wall are of an integral structure. This arrangement can reduce the number of components forming the outer shell and also ensure the structural strength of the outer shell; and / or, the upper wall and the front wall are of an integral structure. This arrangement can further reduce the number of components forming the outer shell, improve the assembly efficiency, and also ensure the structural strength of the outer shell; and / or, the number of air intake openings is multiple, and the multiple air intake openings are dispersedly arranged on the rear wall. This arrangement can ensure sufficient air intake volume and also increase the distribution area of the air intake openings, enabling the external air at various positions on the rear wall to enter the inner cavity in a timely manner through the air intake openings; and / or, the number of air outlet openings is multiple, and the multiple air outlet openings are dispersedly arranged on the front wall. This arrangement can ensure sufficient air outlet volume to ensure the cooling or heating efficiency of the indoor space, and also increase the distribution area of the air outlet openings, enabling the air flow that has undergone heat exchange in the inner cavity to be blown out from various positions on the front wall to increase the range of action of the air conditioner air.

[0014] Further, the indoor air conditioner further includes a water receiving tray, the water receiving tray is located below the direct-flow heat exchanger, and the water receiving tray and the lower wall are of an integral structure; the water inlet of the water pump is communicated with the water receiving tray. By arranging the water receiving tray below the direct-flow heat exchanger, centralized collection of the condensed water generated during the operation of the direct-flow heat exchanger can be achieved, avoiding damage to the ceiling caused by the condensed water dripping onto the ceiling. By setting the water receiving tray and the lower wall of the outer shell as an integral structure, the number of components of this indoor air conditioner is reduced, and the assembly efficiency is improved.

[0015] Further, the water receiving tray includes a tray body and a fixing seat. The tray body is provided with a water receiving area, the fixing seat is fixedly arranged on the tray body, the fixing seat has a water storage tank and a diversion port communicated with the water storage tank. Among them, the direct-flow heat exchanger is fixedly arranged on the fixing seat, and the water storage tank is used for receiving the condensed water generated by the direct-flow heat exchanger; the diversion port is communicated with the water receiving area. The setting of this fixing seat, on the one hand, realizes the diversion of the condensed water generated by the direct-flow heat exchanger, avoiding splashing caused by this part of the condensed water dripping directly, and on the other hand, can also realize the limit fixation of the direct-flow heat exchanger, ensuring the installation stability of the direct-flow heat exchanger and preventing the direct-flow heat exchanger from moving during operation and transportation.

[0016] Further, the water receiving area is provided with a sinking structure, and the water inlet of the water pump is communicated with the sinking structure. This arrangement can realize the precipitation of impurities in the condensed water, prevent the impurities from being sucked into the water pump and blocking or even damaging the water pump, and plays a certain protective role for the water pump.

[0017] Further, a connection structure is provided on the disc body, and the connection structure is arranged around the sinking structure; the air-conditioning indoor unit further includes a water pump bracket, and the water pump bracket is fixedly arranged on the disc body through the connection structure, and the water pump is installed on the water pump bracket. By providing a connection structure around the sinking structure on the disc body, the fixation of the water pump bracket above the sinking structure can be achieved. On this basis, by installing the water pump on the water pump bracket, the water pump can be located directly above the sinking structure to ensure the reliability of water absorption.

[0018] Further, a water absorption layer is fixedly arranged on the side of the water receiving tray facing away from the direct-flow heat exchanger. This setting can absorb the condensed water adhering to the back of the water receiving tray, avoiding damage to the ceiling caused by the condensed water dripping from the back of the water receiving tray into the ceiling space.

[0019] Further, the impeller assembly includes a biaxial motor and two impellers. The two output shafts of the biaxial motor are arranged in opposite directions along the left-right direction, and the two impellers are respectively fixedly sleeved on the two output shafts. This setting enables the external air flow path to pass through the direct-flow heat exchanger first, then through the impeller assembly, and further discharged through the air supply outlet during the operation of the air-conditioning indoor unit, which is a suction air flow process. Compared with the blowing air flow process of a conventional duct machine, the heat exchange effect is improved; and / or, a pipe adapter is provided at the air supply outlet. This setting facilitates the connection and transition between the air supply outlet and the downstream conventional air supply duct. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0021] Figure 1 External structure schematic diagram of the air-conditioning indoor unit provided by the embodiment of the present invention;

[0022] Figure 2 Internal structure top view of the air-conditioning indoor unit provided by the embodiment of the present invention;

[0023] Figure 3 Side view structure schematic diagram of the air-conditioning indoor unit provided by the embodiment of the present invention;

[0024] Figure 4 For Figure 3 A-A cross-sectional view in

[0025] Figure 5The top - view structural cross - sectional view of the indoor unit of the air conditioner provided by the embodiment of the present utility model;

[0026] Figure 6 The exploded view of the indoor unit of the air conditioner provided by the embodiment of the present utility model;

[0027] Figure 7 The top - view installation view of the direct - discharge heat exchanger of the indoor unit of the air conditioner provided by the embodiment of the present utility model on the water receiving tray;

[0028] Figure 8 For Figure 7 The partial structural schematic diagram under the B - B cross - section in

[0029] Explanation of reference numerals:

[0030] 100 - housing; 200 - direct - discharge heat exchanger; 300 - water pump; 400 - electric control box; 500 - impeller assembly; 600 - water receiving tray; 700 - water pump support;

[0031] 110 - inner cavity; 120 - air inlet; 130 - air outlet; 141 - left wall; 142 - right wall; 143 - front wall; 144 - rear wall; 145 - upper wall; 150 - pipe adapter;

[0032] 310 - connecting pipe; 320 - water outlet pipe;

[0033] 510 - dual - axis motor; 520 - impeller; 530 - upper volute; 540 - lower volute; 550 - motor support; 551 - connecting frame; 552 - fixing frame;

[0034] 610 - tray body; 611 - water receiving area; 612 - sinking structure; 613 - connecting structure; 620 - fixing seat; 621 - water storage tank; 622 - diversion port; 630 - water absorption layer. Detailed implementation manners

[0035] Currently, the interior of the air duct machine is divided into a heat exchanger cavity and a fan cavity. In order to increase the heat exchange area, the heat exchanger is usually placed obliquely in the heat exchanger cavity, 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 - to - back direction. Moreover, the existing air duct machines mainly use the side - air - outlet method. In order to increase the air volume, the air outlets 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 - to - right direction.

[0036] 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 and cannot meet the usage requirements of the narrow kitchen space, leaving a large room for improvement.

[0037] Based on this, the purpose of the present utility model is to provide an air conditioner indoor unit to solve the technical problem that the solution of directly using an air duct machine as a kitchen air conditioner can hardly meet the usage requirements in the kitchen space.

[0038] 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.

[0039] Figure 1 It is a schematic diagram of the external structure of the air conditioner indoor unit provided in this embodiment. As Figure 1 shown, this embodiment provides an air conditioner indoor unit.

[0040] Figure 2 It is a top view of the internal structure of the air conditioner indoor unit provided in this embodiment. As Figure 2 shown, the air conditioner indoor unit includes a housing 100, a direct-discharge heat exchanger 200, a water pump 300, an electric control box 400, and a wind wheel assembly 500. Among them, the housing 100 has an inner cavity 110, an air inlet 120, and an air outlet 130. The direct-discharge heat exchanger 200 is longitudinally disposed in the inner cavity 110, and the direction of the direct-discharge heat exchanger 200 is along the left-right direction. The direct-discharge heat exchanger 200 is a multi-row heat exchanger; the wind wheel assembly 500 is disposed in the inner cavity 110, and the wind wheel assembly 500 and the direct-discharge heat exchanger 200 are arranged in the front-back direction; both the water pump 300 and the electric control box 400 are disposed in the inner cavity 110. Among them, the water pump 300 and the electric control box 400 are respectively disposed on both sides of the wind wheel assembly 500 along the left-right direction.

[0041] It should be noted that in this embodiment, the "left-right direction" can be represented by Figure 1 the arrow ab in Figure 1 the "front-back direction" can be represented by Figure 1 the arrow cd in

[0042] When the air conditioner indoor unit needs to operate, the wind wheel assembly 500 starts, generating a negative pressure effect in the inner cavity 110 of the housing 100, so that the external air can enter through the air inlet 120, and after heat exchange treatment with the direct-discharge heat exchanger 200, it is discharged from the air outlet 130 to perform corresponding cooling or heat treatment on the indoor environment.

[0043] By vertically arranging the direct discharge type heat exchanger 200 in the inner cavity 110, that is, making the direct discharge type heat exchanger 200 basically perpendicular to the bottom wall of the housing 100, the space occupied by the direct discharge type heat exchanger 200 in the inner cavity 110 in the front - rear direction can be reduced, which is beneficial to reducing the width dimension of the air conditioner indoor unit in the front - rear direction. At the same time, by setting the direct discharge type heat exchanger 200 as a multi - row heat exchanger, the heat exchange capacity can be ensured without occupying the front - rear space.

[0044] By arranging the water pump 300 and the electric control box 400 on both sides of the wind wheel assembly 500 in the left - right direction, the wind wheel assembly 500 is located in the space surrounded by the water pump 300, the direct discharge type heat exchanger 200 and the electric control box 400, realizing the rational utilization of the space in the inner cavity 110, reducing the length dimension of the air conditioner indoor unit in the left - right direction and the thickness dimension in the up - down direction, and ensuring the structural compactness of the air conditioner indoor unit.

[0045] It can be seen that through the above settings, the air conditioner indoor unit realizes structural compactness, and has relatively small length, width and thickness dimensions. Thus, 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 existing duct machines are difficult to meet the usage requirements in the kitchen space.

[0046] Please continue to refer to Figure 2 In this embodiment, the electric control box 400 is arranged on the left side of the wind wheel assembly 500, and the water pump 300 is arranged on the right side of the wind wheel assembly 500. It can be understood that in other embodiments, the electric control box 400 can also be arranged on the right side of the wind wheel assembly 500, and the water pump 300 can be arranged on the left side of the wind wheel assembly 500.

[0047] Or, the water pump 300 and the electric control box 400 can also be arranged on the same side of the wind wheel assembly 500 in the left - right direction, and the water pump 300 and the electric control box 400 are arranged in the front - rear direction. This setting can further reduce the space occupied in the left - right direction of the inner cavity 110, which is beneficial to further reducing the length dimension of the air conditioner indoor unit in the left - right direction.

[0048] In this embodiment, the direct discharge type heat exchanger 200 is a three - row heat exchanger.

[0049] By setting the direct discharge type heat exchanger 200 as a three - row heat exchanger, not only can the heat exchange capacity requirement of the direct discharge type heat exchanger 200 be met, but also the thickness (the dimension in the front - rear direction) of the direct discharge type heat exchanger 200 will not be too large, avoiding excessive occupation of the front - rear space.

[0050] Figure 3 It is a schematic side - view structure diagram of the air conditioner indoor unit provided in this embodiment; Figure 4 For Figure 3The A-A cross-sectional view in it; Figure 5 It is a top structural cross-sectional view of the air conditioner indoor unit provided in this embodiment. Please continue to refer to Figure 1 and Figure 2 and, in combination with Figures 3 to 5 , in this embodiment, the housing 100 includes a left wall 141 and a right wall 142 that are opposite and spaced apart in the left-right direction, a front wall 143 and a rear wall 144 that are opposite and spaced apart in the front-rear direction, and an upper wall 145 and a lower wall that are opposite and spaced apart in the up-down direction. Among them, the straight row heat exchanger 200 is close to the rear wall 144, and the impeller assembly 500 is located between the straight row heat exchanger 200 and the front wall 143; the air inlet 120 is opened on the rear wall 144, and the air outlet 130 is opened on the front wall 143.

[0051] The above setting form of the housing 100 makes the appearance of the air conditioner indoor unit approximately a cuboid structure, which is convenient for transportation and installation inside the suspended ceiling. By opening the air inlet 120 on the rear wall 144 and making the straight row heat exchanger 200 close to the rear wall 144, after the external air flow enters the inner cavity 110 of the housing 100, it can exchange heat with the straight row heat exchanger 200 immediately, and the heat exchange efficiency is relatively high.

[0052] In addition, by opening the air outlet 130 on the front wall 143 opposite to the rear wall 144, the above-mentioned flow path is a straight path, with small frictional resistance along the way, effectively reducing the air volume loss.

[0053] In this embodiment, the air inlet and outlet paths of the air conditioner indoor unit are as shown by the hollow arrows in Figure 2 .

[0054] In this embodiment, the dimension of the housing 100 in the left-right direction is less than 600 mm, the dimension of the housing 100 in the front-rear direction is less than 250 mm, and the dimension of the housing 100 in the up-down direction is less than 230 mm. Taking Figure 1 as an example, that is to say, L < 600 mm, B < 250 mm, H < 230 mm.

[0055] By setting the housing 100 within the above-mentioned dimensional range, after removing the aluminum gusset plate, the air conditioner indoor unit can be directly inserted into the internal space of the suspended ceiling from bottom to top, realizing the installation without damaging the suspended ceiling and cutting the keel on the basis that the kitchen has been decorated with a suspended ceiling.

[0056] Figure 6 It is a structural exploded view of the air conditioner indoor unit provided in this embodiment. As shown in Figure 6 , in this embodiment, the left wall 141, the rear wall 144 and the right wall 142 are of an integral structure.

[0057] By integrating the left wall 141, the rear wall 144, and the right wall 142 into one structure, on the one hand, the number of components forming the housing 100 can be reduced, improving the assembly efficiency. On the other hand, the structural strength of the housing 100 can be ensured.

[0058] Please continue to refer to Figure 6 , in this embodiment, the upper wall 145 and the front wall 143 are of an integral structure.

[0059] By integrating the upper wall 145 and the front wall 143 into one structure, on the one hand, the number of components forming the housing 100 can be further reduced, improving the assembly efficiency. On the other hand, the structural strength of the housing 100 can also be ensured.

[0060] Please continue to refer to Figure 6 , in this embodiment, the number of air intake openings 120 is four, and the four air intake openings 120 are distributed dispersedly in the left - right direction.

[0061] The above - mentioned arrangement form of the air intake openings 120 can, on the one hand, ensure sufficient air intake volume. On the other hand, it can also increase the distribution area of the air intake openings 120, enabling the external air at various positions of the rear wall 144 to enter the inner cavity 110 in a timely manner through the air intake openings 120.

[0062] In other embodiments, the number of air intake openings 120 can also be set in other forms, and the specific positions of the air intake openings 120 can be set according to the air intake requirements. This embodiment is only an exemplary illustration of a position arrangement form of multiple air intake openings 120.

[0063] Please continue to refer to Figure 6 , in this embodiment, the number of air supply openings 130 is two, and the two air supply openings 130 are distributed dispersedly in the left - right direction.

[0064] The above - mentioned arrangement form of the air supply openings 130 can, on the one hand, ensure sufficient air supply volume to ensure the cooling or heating efficiency of the indoor space. On the other hand, it can also increase the distribution area of the air supply openings 130, enabling the heat - exchanged air flow in the inner cavity 110 to blow out from various positions of the front wall 143, thereby increasing the range of action of the air - conditioner air.

[0065] In other embodiments, the number of air supply openings 130 can also be set in other forms, and the specific positions of the air supply openings 130 can be set according to the air supply requirements. This embodiment is only an exemplary illustration of a position arrangement form of multiple air supply openings 130.

[0066] Please continue to refer to Figure 4 and Figure 6, in this embodiment, the air conditioner indoor unit may further include a water receiving tray 600. Specifically, the water receiving tray 600 is located below the direct discharge type heat exchanger 200, and the water receiving tray 600 and the lower wall are of an integral structure; the water inlet of the water pump 300 is communicated with the water receiving tray 600.

[0067] Wherein, when the water receiving tray 600 holds condensed water, the water pump 300 is started, and the water in the water receiving tray 600 is sucked away and discharged through its water inlet.

[0068] By arranging the water receiving tray 600 below the direct discharge type heat exchanger 200, centralized collection of the condensed water generated during the operation of the direct discharge type heat exchanger 200 can be achieved, avoiding damage to the ceiling caused by condensed water dripping onto the ceiling. By setting the water receiving tray 600 and the lower wall of the housing 100 as an integral structure, that is to say, the water receiving tray 600 not only has the function of receiving water, but also plays a role in closing the inner cavity 110 below, reducing the number of components of the air conditioner indoor unit and improving the assembly efficiency.

[0069] Please continue to refer to Figure 6 , in this embodiment, the water outlet of the water pump 300 is sequentially connected with a connecting pipe 310 and a water outlet pipe 320, so that the condensed water sucked by the water pump 300 can be discharged through the connecting pipe 310 and the water outlet pipe 320 in sequence.

[0070] Figure 7 is the installation top view of the direct discharge type heat exchanger 200 of the air conditioner indoor unit provided in this embodiment in the water receiving tray 600; Figure 8 is Figure 7 the partial structural schematic diagram under the B-B cross-section in Figure 6 , and in combination with Figure 7 and Figure 8 , in this embodiment, the water receiving tray 600 may include a tray body 610 and a fixing seat 620. Specifically, the tray body 610 is provided with a water receiving area 611, the fixing seat 620 is fixedly arranged on the tray body 610, the fixing seat 620 has a water storage tank 621 and a diversion port 622 communicated with the water storage tank 621. Among them, the direct discharge type heat exchanger 200 is fixedly arranged on the fixing seat 620, and the water storage tank 621 is used for receiving the condensed water generated by the direct discharge type heat exchanger 200; the diversion port 622 is communicated with the water receiving area 611.

[0071] When the air conditioner indoor unit is operating, the condensed water generated by the operation of the direct discharge heat exchanger 200 will drip into the water storage tank 621 of the fixing base 620, and further drain into the water receiving area 611 through the diversion port 622 communicating with the water storage tank 621, to be pumped away by the water pump 300. The setting of the fixing base 620, on the one hand, realizes the drainage of the condensed water generated by the direct discharge heat exchanger 200, avoiding the splashing phenomenon caused by the direct dripping of this part of the condensed water. On the other hand, it can also realize the limit fixation of the direct discharge heat exchanger 200, ensuring the installation stability of the direct discharge heat exchanger 200 and avoiding the displacement of the direct discharge heat exchanger 200 during operation and transportation.

[0072] Please continue to refer to Figure 6 , in this embodiment, the fixing base 620 is fixedly arranged inside the disk body 610; the length of the fixing base 620 matches the length of the direct discharge heat exchanger 200.

[0073] Please continue to refer to Figure 7 and Figure 8 , in this embodiment, the water receiving area 611 is provided with a sinking structure 612, wherein the water inlet of the water pump 300 communicates with the sinking structure 612.

[0074] The setting of the above sinking structure 612 can realize the precipitation of impurities in the condensed water, prevent the impurities from being sucked into the water pump 300 and blocking or even damaging the water pump 300, and plays a certain protective role for the water pump 300.

[0075] It should be noted that in this embodiment, the sinking structure 612 is at the lowest point of the water receiving area 611.

[0076] Please continue to refer to Figure 7 and Figure 8 , in this embodiment, the disk body 610 can also be provided with a connecting structure 613. Specifically, the connecting structure 613 is arranged around the sinking structure 612; the air conditioner indoor unit can also include a water pump support 700, and the water pump support 700 is fixedly arranged on the disk body 610 through the connecting structure 613, and the water pump 300 is installed on the water pump support 700.

[0077] By arranging the connecting structure 613 around the sinking structure 612 on the disk body 610, the fixation of the water pump support 700 above the sinking structure 612 can be realized. On this basis, by installing the water pump 300 on the water pump support 700, the water pump 300 can be made directly above the sinking structure 612 to ensure the reliability of water absorption.

[0078] Please continue to refer to Figure 7 and Figure 8, in this embodiment, the connection structure 613 includes a plurality of threaded posts arranged around the sunken structure 612. Correspondingly, the water pump bracket 700 is provided with connection holes corresponding to the above-mentioned threaded posts, so that the connection bolts can pass through the connection holes and be screwed onto the corresponding threaded posts to realize the connection and fixation of the water pump bracket 700 and the disc body 610.

[0079] Please continue to refer to Figure 6 , in this embodiment, a water absorption layer 630 is fixedly arranged on the side of the water receiving tray 600 facing away from the direct exhaust heat exchanger 200. That is to say, the water absorption layer 630 is fixedly arranged on the back of the water receiving tray 600.

[0080] By arranging the water absorption layer 630 on the back of the water receiving tray 600, it is possible to absorb the condensed water attached to the back of the water receiving tray 600 and avoid damage to the ceiling caused by the condensed water dripping from the back of the water receiving tray 600 into the ceiling space.

[0081] Specifically, the material of the water absorption layer 630 can be sponge.

[0082] Please continue to refer to Figures 4 to 6 , in this embodiment, the wind wheel assembly 500 can include a biaxial motor 510 and two wind wheels 520. Specifically, the two output shafts of the biaxial motor 510 are arranged in opposite directions along the left - right direction, and the two wind wheels 520 are respectively fixedly sleeved on the two output shafts in a one - to - one correspondence.

[0083] When the air conditioner indoor unit is operating, the biaxial motor 510 outputs rotational power through the two output shafts arranged in opposite directions, driving the wind wheels 520 fixedly sleeved on the output shafts to rotate, so as to form a negative pressure in the inner cavity 110 of the housing 100. By using the negative pressure effect, the external air flow can be sucked in from the air inlet 120, and after heat exchange treatment with the direct exhaust heat exchanger 200, it is then sent into the indoor space through the air outlet 130, thereby achieving the purpose of refrigeration or heating.

[0084] This setting form of the wind wheel assembly 500 enables the external air flow to first pass through the direct exhaust heat exchanger 200, then through the wind wheel assembly 500, and further be discharged through the air outlet 130 during the operation of the air conditioner indoor unit, which is a suction - type air flow process. Compared with the blowing - type air flow process of a conventional duct machine, the heat exchange effect is improved.

[0085] Please continue to refer to Figure 6 , in this embodiment, each wind wheel 520 is correspondingly provided with an upper volute 530 and a lower volute 540 that are butted. Among them, the upper volute 530 and the lower volute 540 form a wind channel relatively, the wind wheel 520 is located in the above - mentioned wind channel, and the outlet of the wind channel faces the air outlet 130 opened on the front wall 143.

[0086] Please continue to refer to Figure 6, in this embodiment, the wind turbine assembly 500 further includes a motor bracket 550. Specifically, the motor bracket 550 includes a connecting frame 551 and a fixing frame 552. The connecting frame 551 is fixedly connected to the upper wall 145, and the fixing frame 552 is docked with the connecting frame 551 from bottom to top to form an installation space for installing the dual-axis motor 510, thereby realizing the installation of the dual-axis motor 510 inside the housing 100.

[0087] Please continue to refer to Figure 6 , in this embodiment, a pipe adapter 150 is provided at the air outlet 130. Among them, the pipe adapter 150 is specifically a square pipe to round pipe joint.

[0088] The setting of the above pipeline joint facilitates the connection and transition between the air outlet 130 and the downstream conventional air supply pipeline.

[0089] 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.

[0090] 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 also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0091] In the above embodiments, the descriptions of directions such as "upper", "lower", "front", "rear", "left", "right", "side", etc. are all based on the drawings.

[0092] 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 obvious 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 these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An air conditioner indoor unit, characterized in that, It includes a housing (100), a direct - flow heat exchanger (200), a water pump (300), an electric control box (400) and a wind wheel assembly (500). The housing (100) has an inner cavity (110), an air inlet (120) and an air outlet (130). The direct - flow heat exchanger (200) is longitudinally placed in the inner cavity (110), the direction of the direct - flow heat exchanger (200) is along the left - right direction, and the direct - flow heat exchanger (200) is a multi - row heat exchanger; the wind wheel assembly (500) is arranged in the inner cavity (110), and the wind wheel assembly (500) and the direct - flow heat exchanger (200) are arranged in the front - back direction; the water pump (300) and the electric control box (400) are both arranged in the inner cavity (110), wherein the water pump (300) and the electric control box (400) are respectively arranged on both sides of the wind wheel assembly (500) along the left - right direction; Alternatively, the water pump (300) and the electric control box (400) are arranged on the same side of the wind wheel assembly (500) along the left - right direction, and the water pump (300) and the electric control box (400) are arranged in the front - back direction.

2. The air conditioner indoor unit according to claim 1, wherein, The direct - flow heat exchanger (200) is a three - row heat exchanger.

3. The indoor air conditioner according to claim 1, characterized in that, The housing (100) includes a left wall (141) and a right wall (142) that are opposite and spaced apart along the left - right direction, a front wall (143) and a rear wall (144) that are opposite and spaced apart along the front - back direction, and an upper wall (145) and a lower wall that are opposite and spaced apart along the up - down direction. The direct - flow heat exchanger (200) is close to the rear wall (144), and the wind wheel assembly (500) is located between the direct - flow heat exchanger (200) and the front wall (143); the air inlet (120) is opened on the rear wall (144), and the air outlet (130) is opened on the front wall (143).

4. The air conditioner indoor unit according to claim 3, characterized in that, The left wall (141), the rear wall (144) and the right wall (142) are of an integral structure; and / or, the upper wall (145) and the front wall (143) are of an integral structure; and / or, the number of the air inlets (120) is multiple, and the multiple air inlets (120) are dispersedly arranged on the rear wall (144); and / or, the number of the air outlets (130) is multiple, and the multiple air outlets (130) are dispersedly arranged on the front wall (143).

5. The air conditioner indoor unit according to claim 3, characterized in that, The indoor air conditioner further includes a water receiving tray (600). The water receiving tray (600) is located below the direct - flow heat exchanger (200), and the water receiving tray (600) and the lower wall are of an integral structure; the water inlet of the water pump (300) is communicated with the water receiving tray (600).

6. The air conditioner indoor unit according to claim 5, wherein, The water receiving tray (600) includes a tray body (610) and a fixing base (620). The tray body (610) is provided with a water receiving area (611). The fixing base (620) is fixedly arranged on the tray body (610). The fixing base (620) has a water storage tank (621) and a diversion port (622) communicating with the water storage tank (621). Among them, the direct discharge type heat exchanger (200) is fixedly arranged on the fixing base (620). The water storage tank (621) is used for receiving the condensed water generated by the direct discharge type heat exchanger (200); the diversion port (622) communicates with the water receiving area (611).

7. The air conditioner indoor unit according to claim 6, characterized in that, The water receiving area (611) is provided with a sinking structure (612). The water inlet of the water pump (300) communicates with the sinking structure (612).

8. The air conditioner indoor unit according to claim 7, wherein The tray body (610) is further provided with a connecting structure (613). The connecting structure (613) is arranged around the sinking structure (612); the indoor air conditioner further includes a water pump bracket (700). The water pump bracket (700) is fixedly arranged on the tray body (610) through the connecting structure (613). The water pump (300) is installed on the water pump bracket (700).

9. The air conditioner indoor unit according to claim 5, characterized in that, A water absorption layer (630) is fixedly arranged on one side of the water receiving tray (600) facing away from the direct discharge type heat exchanger (200).

10. The air conditioner indoor unit according to claim 1, characterized in that, The impeller assembly (500) includes a dual-axis motor (510) and two impellers (520). The two output shafts of the dual-axis motor (510) are respectively arranged in opposite directions along the left-right direction. The two impellers (520) are respectively fixedly sleeved on the two output shafts in a one-to-one correspondence; and / or, a pipe adapter (150) is arranged at the air outlet (130).

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