Indoor unit of air conditioner

Abstract

The utility model provides an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a shell, an indoor heat exchanger and an indoor heat exchanger, the panel is arranged on the front side of the shell, an air inlet is formed in the upper portion of the panel, and an air outlet is formed in the lower portion of the panel. And the fresh air module is detachably connected to any one of the upper side, the lower side, the left side and the right side of the exterior of the shell. According to the air conditioner indoor unit, the occupied space of the air conditioner indoor unit is flexibly adjusted through the detachable fresh air module, the installation space is effectively reduced, space waste is avoided, and the use experience of a user is improved; the cabinet is embedded in the indoor unit of the air conditioner, the air inlet amount is increased, the freezing phenomenon of the indoor heat exchanger due to insufficient air amount is avoided, and the working reliability of the indoor heat exchanger is improved.

Description

Technical Field

[0001] The utility model relates to the field of household electrical appliances, in particular to an indoor unit of an air conditioner. Background Art

[0002] With the development of society and the continuous improvement of people's living standards, various air conditioning devices have become one of the indispensable electrical equipment in people's daily lives. Various air conditioning devices can help people reach a temperature they can adapt to when the ambient temperature is too high or too low. Current air conditioning devices mainly include various types of air conditioners and fans.

[0003] Air conditioners can be divided into integrated air conditioners and split air conditioners, among which split air conditioners can include indoor air conditioner units and outdoor air conditioner units. As the popularity of integrated decoration increases, people's requirements for indoor air conditioner units are gradually increasing. Not only are they beautiful in appearance and performance, but they are also required to meet the needs of home decoration. The embedded indoor air conditioner unit not only has the functions of a general indoor air conditioner unit, but can also be integrated with the style of the cabinet. Embedding the indoor air conditioner unit into the cabinet forms a whole in form, which is more beautiful.

[0004] When the indoor unit of the air conditioner is embedded, the air intake method similar to the traditional wall-mounted indoor unit of the air conditioner is not applicable. Because the traditional wall-mounted indoor unit of the air conditioner generally takes in air through the air inlet on the top. After the indoor unit of the air conditioner is embedded in the cabinet, the top will be blocked by the cabinet, affecting the air intake. In addition, the reduced air intake will cause the indoor heat exchanger of the indoor unit of the air conditioner to be unable to fully exchange heat, which is prone to icing and affects the normal operation of the indoor heat exchanger.

[0005] In addition, if the indoor unit of a traditional air conditioner has a fresh air module, space for the fresh air module needs to be reserved inside the housing, which often results in a longer overall length of the indoor unit. For users who do not need a fresh air module, even if the fresh air module is removed from the housing, the overall length of the indoor unit remains unchanged, requiring a larger installation space, resulting in a waste of space and affecting the user experience. Utility Model Content

[0006] One purpose of the utility model is to flexibly adjust the occupied space of the indoor unit of the air conditioner through a detachable fresh air module, effectively reduce the installation space, and avoid space waste.

[0007] A further object of the utility model is to achieve the goal of increasing the air intake volume while embedding the indoor unit of the air conditioner in a cabinet, thereby preventing the indoor heat exchanger from freezing due to insufficient air volume.

[0008] In particular, the utility model provides an indoor unit of an air conditioner, comprising: a shell, inside which an indoor heat exchanger is arranged; a panel, arranged on the front side of the shell, with an air inlet arranged on the upper part of the panel and an air outlet arranged on the lower part; and a fresh air module, detachably connected to any one of the upper, lower, left and right sides of the outside of the shell.

[0009] Optionally, a slot is provided on the shell, and the fresh air module is provided with a plug-in matching the slot, so that the fresh air module is connected to the shell.

[0010] Optionally, a limit position is set at the bottom of the slot. After the plug-in is inserted into the slot, the fresh air module and the shell are assembled by the limit position and the weight of the fresh air module itself.

[0011] Optionally, the slot is a T-slot, and the plug-in is a T-shaped piece matching the T-slot.

[0012] Optionally, a first channel and a second channel are defined inside the shell, an air inlet of the first channel is higher than an air inlet of the second channel, and indoor heat exchangers are disposed in both the first channel and the second channel.

[0013] Optionally, the indoor heat exchanger is arranged in sections and includes a front heat exchanger, a middle heat exchanger and a rear heat exchanger from front to back, respectively. The front heat exchanger and the middle heat exchanger are located in the second channel, and the rear heat exchanger is located in the first channel.

[0014] Optionally, the air inlet of the first channel is stronger than that of the second channel, so that more air enters the first channel through the air inlet and exchanges heat through the rear heat exchanger.

[0015] Optionally, the air inlet is provided with a rotatable plate, and the rotatable plate is configured to rotate in a controlled manner around a horizontal rotation axis below the air inlet to open and close the air inlet.

[0016] Optionally, a fan is provided below the indoor heat exchanger and is configured to blow the air heated by the indoor heat exchanger toward an air outlet.

[0017] Optionally, the indoor unit of the air conditioner is arranged in a cabinet with a forward opening, with the panel facing forward.

[0018] The air conditioner indoor unit of the utility model comprises: a shell body, inside which an indoor heat exchanger is arranged; a panel, which is arranged on the front side of the shell body, the upper part of the panel is provided with an air inlet, and the lower part of the panel is provided with an air outlet; and a fresh air module, which is detachably connected to any one of the upper, lower, left and right sides of the outer part of the shell body. The occupied space of the air conditioner indoor unit can be flexibly adjusted through the detachable fresh air module, which effectively reduces the installation space, avoids space waste, and improves the user experience.

[0019] Furthermore, in the indoor unit of the air conditioner of the present invention, a first channel and a second channel are defined inside the shell, the air inlet of the first channel is higher than the air inlet of the second channel, and indoor heat exchangers are provided in the first channel and the second channel; the indoor heat exchanger is arranged in sections and includes a front heat exchanger, a middle heat exchanger and a rear heat exchanger from front to back, the front heat exchanger and the middle heat exchanger are located in the second channel, and the rear heat exchanger is located in the first channel; the air intake of the first channel is stronger than that of the second channel, so that more air enters the first channel through the air inlet and exchanges heat through the rear heat exchanger, and the indoor unit of the air conditioner is arranged in a cabinet with a forward opening, and the panel faces forward, so that the indoor unit of the air conditioner is embedded in the cabinet while increasing the air intake, avoiding freezing of the indoor heat exchanger due to insufficient air volume, and improving the working reliability of the indoor heat exchanger.

[0020] Based on the detailed description of the specific embodiments of the present invention in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other purposes, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the overall structure of an air conditioner indoor unit according to an embodiment of the utility model;

[0023] Figure 2 It is a structural schematic diagram of a housing and a panel of an indoor unit of an air conditioner according to an embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of a fresh air module of an indoor unit of an air conditioner according to an embodiment of the utility model;

[0025] Figure 4 is a side sectional view of a housing of an indoor unit of an air conditioner according to an embodiment of the utility model; and

[0026] Figure 5 The utility model is an exploded schematic diagram of an indoor unit of an air conditioner embedded in a cabinet according to an embodiment of the utility model. DETAILED DESCRIPTION

[0027] The present embodiment provides an air conditioner indoor unit, which can flexibly adjust the occupied space of the air conditioner indoor unit through a detachable fresh air module, effectively reduce the installation space, avoid space waste, and improve the user experience. Figure 11 is a schematic diagram of the overall structure of an air conditioner indoor unit 100 according to an embodiment of the utility model. Figure 2 1 is a schematic structural diagram of a housing 110 and a panel 120 of an air conditioner indoor unit 100 according to an embodiment of the present utility model. Figure 3 1 is a schematic structural diagram of a fresh air module 130 of an air conditioner indoor unit 100 according to an embodiment of the utility model. Figure 4 FIG. 1 is a side cross-sectional view of a housing 110 of an air conditioner indoor unit 100 according to an embodiment of the present invention. Figures 1 to 4 As shown, the air conditioner indoor unit 100 of this embodiment may generally include: a housing 110 , a panel 120 and a fresh air module 130 .

[0028] An indoor heat exchanger 111 is disposed inside the housing 110. The indoor heat exchanger 111 may be configured to perform heat exchange on the air entering the housing 110. The panel 120 may be disposed on the front side of the housing 110, and an air inlet 121 is disposed on the upper portion of the panel 120, and an air outlet 122 is disposed on the lower portion. The air may enter the housing 110 through the air inlet 121, and after heat exchange in the indoor heat exchanger 111, may be sent to the indoor environment through the air outlet 122.

[0029] Specifically, when the air conditioner indoor unit 100 operates in cooling mode, the air heated by the indoor heat exchanger 111 is cold air, which can lower the ambient temperature after being sent to the indoor environment. When the air conditioner indoor unit 100 operates in heating mode, the air heated by the indoor heat exchanger 111 is hot air, which can increase the ambient temperature after being sent to the indoor environment.

[0030] The fresh air module 130 is detachably connected to any one of the upper, lower, left and right sides of the exterior of the housing 110. It should be noted that, in the case where the fresh air module 130 is detachably connected to the left or right side of the exterior of the housing 110, the length of the air conditioner indoor unit 100 can be effectively reduced after the fresh air module 130 is removed. In the case where the fresh air module 130 is detachably connected to the upper or lower side of the exterior of the housing 110, the height of the air conditioner indoor unit 100 can be effectively reduced after the fresh air module 130 is removed. However, in either of the above cases, the occupied space of the air conditioner indoor unit 100 can be effectively reduced. Figure 1 Specifically, it shows that the fresh air module 130 is detachably connected to the right side of the exterior of the housing 110 .

[0031] Specifically, the fresh air module 130 can be detachably connected to the outside of the housing 110 by plugging, snapping, screwing, etc. Figure 1 and Figure 3As shown, a fresh air duct 132 may be provided on the fresh air module 130, and the fresh air duct 132 is configured to introduce fresh air from the outdoor environment. Specifically, the fresh air duct 132 may be provided at the rear lower part of the fresh air module 130. This makes the installation and setting of the fresh air duct 132 easier and minimizes the impact on the surrounding environment layout.

[0032] The fresh air introduced into the outdoor environment through the fresh air module 130 can achieve the following purposes: enjoying the fresh air of nature without opening windows, meeting the health needs of the human body and reducing energy loss; it can also effectively remove mold and odor, discharge damp and dirty air in the room, eradicate odor, prevent mold and bacteria growth, and help extend the service life of buildings and furniture; it can also help reduce noise pollution, without having to endure the disturbance of opening windows, making the room quieter and more comfortable; it can also remove harmful gases, effectively remove formaldehyde, oil fume odor, carbon dioxide, cigarette smell, bacteria, viruses and other unhealthy or harmful gases, and prevent family members from being seriously harmed; avoid opening windows to bring in a lot of dust, effectively filter outdoor air, and ensure that the air entering the room is clean.

[0033] If a traditional air conditioner indoor unit has a fresh air module, it is generally arranged inside the shell, and it is necessary to reserve space for the fresh air module inside the shell, which often leads to a longer overall length of the air conditioner indoor unit. For some users who do not need a fresh air module, even if the fresh air module is removed from the inside of the shell, the overall length of the air conditioner indoor unit remains unchanged, and the required installation space is large, which will cause a waste of space and affect the user's experience. The air conditioner indoor unit 100 of this embodiment can flexibly adjust the occupied space of the air conditioner indoor unit 100 through the detachable fresh air module 130, effectively reducing the installation space, avoiding space waste, and improving the user's experience.

[0034] As mentioned above, the fresh air module 130 can be detachably connected to the outside of the housing 110 by plugging, snapping, screwing, etc. In a preferred embodiment, the fresh air module 130 can be detachably connected to the outside of the housing 110 by plugging. Figures 1 to 3 As shown, a slot 113 is provided on the housing 110 , and the fresh air module 130 is provided with a plug-in 131 matching the slot 113 , so that the fresh air module 130 is connected to the housing 110 .

[0035] More preferably, a limit stop 114 is provided at the bottom of the slot 113. After the plug-in 131 is inserted into the slot 113, the assembly of the fresh air module 130 and the housing 110 is achieved through the limit stop 114 and the weight of the fresh air module 130. In short, the structural setting of the limit stop 114 and the weight of the fresh air module 130 can achieve the rapid combination and disassembly of the fresh air module 130 and the housing 110, effectively improving the convenience and disassembly efficiency.

[0036] In a specific embodiment, the slot 113 is a T-slot, and the plug-in 131 is a T-shaped piece that matches the T-slot. The opening of the T-slot faces upward, that is, the T-shaped piece of the fresh air module 130 is inserted into the T-slot from top to bottom. The T-slot and the matching T-shaped piece make the installation combination of the fresh air module 130 and the housing 110 more reliable and more convenient.

[0037] In a specific embodiment, Figure 4 As shown, the housing 110 defines a first channel 115 and a second channel 116, and the air inlet of the first channel 115 is higher than the air inlet of the second channel 116. In fact, the air inlet of the first channel 115 and the air inlet of the second channel 116 are both part of the air inlet 121. That is, part of the air entering the housing 110 from the air inlet 121 flows through the first channel 115, and part of the air flows through the second channel 116.

[0038] In addition, an indoor heat exchanger 111 is disposed in each of the first channel 115 and the second channel 116. In a specific embodiment, Figure 4 As shown, the indoor heat exchanger 111 is arranged in sections and includes a front heat exchanger 117, a middle heat exchanger 118 and a rear heat exchanger 119 from front to back. The front heat exchanger 117 and the middle heat exchanger 118 are located in the second channel 116, and the rear heat exchanger 119 is located in the first channel 115.

[0039] Depend on Figure 4 It can be seen that the front heat exchanger 117 and the middle heat exchanger 118 are closer to the air inlet 121 than the rear heat exchanger 119. Generally, most of the air entering the shell 110 through the air inlet 121 flows to the front heat exchanger 117 and the middle heat exchanger 118, and less air flows through the rear heat exchanger 119, which may lead to insufficient overall air volume, and then cause adverse phenomena such as icing of the indoor heat exchanger 111. In this embodiment, two channels are set inside the shell 110, and the air intake of the first channel 115 is stronger than that of the second channel 116, so that more air can enter the first channel 115 through the air inlet 121, and heat is exchanged through the rear heat exchanger 119 in the first channel 115, which effectively solves the problem of icing of the indoor heat exchanger 111 caused by insufficient air volume.

[0040] In a specific embodiment, Figure 4 As shown, a fan 112 may be provided below the indoor heat exchanger 111, configured to blow the air heated by the indoor heat exchanger 111 toward the air outlet 122. More specifically, as Figure 4As shown, the front heat exchanger 117 can be basically arranged in a vertical state, the middle heat exchanger 118 can be arranged to be gradually raised from front to back, and the rear heat exchanger 119 can be arranged to be gradually lowered from front to back, so that the front heat exchanger 117, the middle heat exchanger 118 and the rear heat exchanger 119 jointly define a space below which the fan 112 is accommodated.

[0041] In addition, the air intake of the first channel 115 is stronger than that of the second channel 116 by the specific setting of the fan 112. For example, the suction port of the fan 112 can be adjusted to be more directed toward the rear heat exchanger 119, so that the air intake of the first channel 115 is stronger than that of the second channel 116. Alternatively, in some other embodiments, the fan 112 can be adjusted in other ways to achieve that the air intake of the first channel 115 is stronger than that of the second channel 116.

[0042] Figure 5 FIG. 1 is an exploded schematic diagram of an air conditioner indoor unit 100 embedded in a cabinet 200 according to an embodiment of the present utility model. Figure 5 As shown, the air conditioner indoor unit 100 can be arranged in a cabinet 200 having a forward opening 210, and the panel 120 faces forward. Specifically, a storage space 220 can be defined inside the cabinet 200, and the air conditioner indoor unit 100 can be arranged in the storage space 220. In a specific embodiment, the air conditioner indoor unit 100 can be directly placed in the storage space 220. In some other embodiments, the air conditioner indoor unit 100 can also be fixed to the cabinet 200 in some way, for example, the housing 110 of the air conditioner indoor unit 100 is fixed to the cabinet 200 to improve the overall stability.

[0043] Figure 5 The air conditioner indoor unit 100 shown is a case where the fresh air module 130 is not provided. In a specific embodiment, if the user does not need the fresh air module 130, the size of the cabinet 200 can be directly set to be similar to that of the air conditioner indoor unit 100, that is, the overall installation space is effectively shortened. Alternatively, in some other embodiments, even if the user does not need the fresh air module 130 temporarily, the cabinet 200 can reserve the installation space of the fresh air module 130, so that after the air conditioner indoor unit 100 without the fresh air module 130 is placed in the cabinet 200, the extra space can be used for storage. When there is a need to install the fresh air module 130 later, it can be conveniently installed in the cabinet 200 after taking out the items.

[0044] It should be emphasized that the current air conditioner indoor unit is not suitable for embedded use in the same air intake method as the traditional wall-mounted air conditioner indoor unit. Because the traditional wall-mounted air conditioner indoor unit generally takes in air through the air inlet on the top, after the air conditioner indoor unit is embedded in the cabinet, the top will be blocked by the cabinet, affecting the air intake. In addition, the reduced air intake will cause the indoor heat exchanger of the air conditioner indoor unit to be unable to fully exchange heat, which is prone to icing and affects the normal operation of the indoor heat exchanger.

[0045] The air conditioner indoor unit 100 of this embodiment adopts the front air intake and front air outlet mode, and adopts the solution of setting a double channel inside the housing 110, which can fully guide the air entering the housing 110 through the air inlet 121 to the rear heat exchanger 119 at the rear, avoiding the icing phenomenon of the indoor heat exchanger 111 caused by insufficient air volume. At the same time, the front air intake and front air outlet are achieved without being restricted by the cabinet 200.

[0046] In a preferred embodiment, Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the air inlet 121 is provided with a rotatable plate 123. Furthermore, the rotatable plate 123 is configured to be controlled to rotate around a horizontal rotation axis below it to open and close the air inlet 121. In a specific embodiment, the rotatable plate 123 can be driven to rotate by a motor and a connecting rod mechanism 125. When the motor drives the connecting rod mechanism 125 to open the rotatable plate 123, the air inlet 121 is opened; when the motor drives the connecting rod mechanism 125 to retract the rotatable plate 123, the air inlet 121 is closed. Furthermore, when the motor drives the connecting rod mechanism 125 to open the rotatable plate 123, the rotation angle of the rotatable plate 123 is different, and the opening area of ​​the air inlet 121 is also different. In a specific embodiment, a filter 124 can also be provided at the air inlet 121 for preliminary filtering of the air entering the interior of the housing 110 from the air inlet 121 to prevent excessive dust and other impurities from entering the cavity.

[0047] The air conditioner indoor unit 100 of the present embodiment, except for the fresh air module 130, the panel 120, the shell 110 and the structures related to the interior or surface of the two can be collectively referred to as the body of the air conditioner indoor unit 100. The body of the air conditioner indoor unit 100 of the present embodiment is designed into two parts, the front and rear parts of the panel 120 and the shell 110, which is not only convenient for assembly, but also convenient for maintenance. Specifically, during the assembly process, the shell 110 and the related structures of the rear part can be first loaded into the cabinet 200, and then the panel 120 and the related structures of the front part can be loaded into the cabinet 200. In this way, when the panel 120 of the front part is opened, the related structures of the shell 110 of the rear part can be easily maintained. At the same time, after the panel 120 and the shell 110 are assembled, the shell 110 of the rear half is invisible and is not an appearance part, which can appropriately reduce the requirements and effectively reduce the cost.

[0048] Specifically, the related structure of the panel 120 of the front part mainly includes the rotatable plate 123 mentioned above, the motor and the connecting rod mechanism 125 driving the rotatable plate 123 to rotate, and can also include a display panel box, wherein the display panel can be used to display relevant information of the air conditioner indoor unit 100, such as the operation mode, the set temperature, etc. The related structure of the shell 110 of the rear part mainly includes the indoor heat exchanger 111 and the fan 112 mentioned above, wherein the fan 112 can also be provided with a fan motor correspondingly, configured to drive the fan 112 to rotate. And the air supply wind speed of the air conditioner indoor unit 100 can be adjusted by adjusting the speed of the fan motor driving the fan 112. In addition, an electrical box 127 can be provided above the indoor heat exchanger 111 to accommodate electronic control devices such as a computer board to control the air conditioner indoor unit 100.

[0049] When the indoor unit 100 of the air conditioner operates in the cooling mode, the air heated by the indoor heat exchanger 111 is cold air, which can be sent to the indoor environment through the air outlet 122 to reduce the temperature of the indoor environment, making the user feel cool. When the indoor unit 100 of the air conditioner operates in the heating mode, the air heated by the indoor heat exchanger 111 is hot air, which can be sent to the indoor environment through the air outlet 122 to increase the temperature of the indoor environment, making the user feel warm.

[0050] In a specific embodiment, the air conditioner indoor unit 100 can turn on the cooling mode or the heating mode after receiving a start trigger signal from the user. More specifically, the start trigger signal sent by the user through a display device, a voice device, a remote controller, or a mobile terminal bound to the air conditioner indoor unit 100 can be received. The mobile terminal can be a smart device that is easy to move, such as a smart phone, a tablet computer, etc.

[0051] The fan 112 can send the air after heat exchange by the indoor heat exchanger 111 to the indoor environment through the air outlet 122. The fan 112 can mainly include three types: centrifugal, cross-flow and axial flow. Among them, the air in the centrifugal fan is acted upon by centrifugal force, and a vacuum is generated in the center of the impeller. The inhaled air is turned 90° at the impeller inlet and enters the flow channel formed by the blades, where it obtains kinetic energy and pressure energy. The airflow thrown out from the blade channel enters the volute, and after being concentrated and guided, it is discharged from the outlet of the centrifugal fan.

[0052] A cross-flow fan can also be called a cross-flow fan. The airflow enters the blade grid radially from the opening of the impeller, passes through the inside of the impeller, and is discharged into the volute from the other side of the blade grid to form a working airflow. The airflow in the axial flow fan flows axially in the impeller. The above three types of fans each have advantages and disadvantages and can be set according to actual conditions. However, no matter which type of fan 112 is used, the air after heat exchange by the indoor heat exchanger 111 can be sent to the indoor environment through the air outlet 122 to adjust the temperature of the indoor environment.

[0053] In a specific embodiment, a guide plate 126 and a swing blade 127 may also be provided at the air outlet 122. The swing blade 127 may be configured to adjust the air outlet direction at the air outlet 122. In a specific embodiment, the swing blade 127 is configured to adjust the specific posture according to the air supply mode. For example, the air supply mode may include a plurality of different air supply instructions, and the swing blade 127 may adjust the specific posture according to different air supply instructions. The guide plate 126 may be configured to open and close the air outlet 122. When the guide plate 126 opens the air outlet 122, the wind guided by the swing blade 127 may be sent to the indoor environment. If the guide plate 126 closes the air outlet 122, no wind will be blown out at the air outlet 122. Generally, when the indoor unit 100 of the air conditioner is closed, the guide plate 126 may be made to close the air outlet 122 to prevent external dust from entering the interior of the housing 110 through the air outlet 122, thereby effectively ensuring the cleanliness of the interior of the housing 110.

[0054] In summary, the air conditioner indoor unit 100 of this embodiment includes: a shell 110, which has an indoor heat exchanger 111 disposed therein; a panel 120, which is disposed on the front side of the shell 110, and has an air inlet 121 disposed on the upper part of the panel 120, and an air outlet 122 disposed on the lower part; and a fresh air module 130, which is detachably connected to any one of the upper, lower, left and right sides of the outside of the shell 110. The occupied space of the air conditioner indoor unit 100 can be flexibly adjusted through the detachable fresh air module 130, thereby effectively reducing the installation space, avoiding space waste, and improving the user experience.

[0055] Furthermore, in the air conditioner indoor unit 100 of the present embodiment, a first channel 115 and a second channel 116 are defined inside the housing 110, an air inlet of the first channel 115 is higher than an air inlet of the second channel 116, and an indoor heat exchanger 111 is disposed in both the first channel 115 and the second channel 116; the indoor heat exchanger 111 is disposed in sections and includes a front section heat exchanger 117, a middle section heat exchanger 118 and a rear section heat exchanger 119 from front to rear, the front section heat exchanger 117 and the middle section heat exchanger 118 are located in the second channel 116, and the rear section heat exchanger 119 is disposed in the second channel 116. The heat exchanger 119 is located in the first channel 115; the air intake of the first channel 115 is stronger than that of the second channel 116, so that more air enters the first channel 115 through the air inlet 121 and exchanges heat through the rear heat exchanger 119. The air conditioner indoor unit 100 is arranged in a cabinet 200 with a forward opening 210, and the panel 120 faces forward, so that the air conditioner indoor unit 100 can be embedded in the cabinet 200 while increasing the air intake, avoiding the indoor heat exchanger 111 from freezing due to insufficient air volume, and improving the working reliability of the indoor heat exchanger 111.

[0056] Those skilled in the art should understand that, unless otherwise specified, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "clockwise", "counterclockwise", etc. in the embodiments of the present invention used to indicate orientation or positional relationships are merely for the convenience of describing and understanding the technical solution of the present invention, and do not indicate or imply that the referred device or component must have a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0057] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may further include other features.

[0058] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. A person of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present utility model according to the specific circumstances.

[0059] In addition, in the description of this embodiment, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. That is, in the description of this embodiment, the first feature being "above", "above", and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below", or "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0060] In the description of the present embodiment, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0061] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived from the contents disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. An air conditioner indoor unit, characterized in that: include: A shell having an indoor heat exchanger disposed therein; A panel is arranged on the front side of the housing, the upper part of the panel is provided with an air inlet, and the lower part of the panel is provided with an air outlet; and The fresh air module is detachably connected to any one of the upper, lower, left and right sides of the exterior of the shell.

2. The air conditioner indoor unit according to claim 1, characterized in that: The shell is provided with a slot, and the fresh air module is provided with a plug-in matching the slot, so that the fresh air module is connected to the shell.

3. The air conditioner indoor unit according to claim 2, characterized in that: A limit position is set at the bottom of the slot. After the plug-in is inserted into the slot, the fresh air module and the shell are assembled by the limit position and the weight of the fresh air module itself.

4. The air conditioner indoor unit according to claim 2, characterized in that: The slot is a T-slot, and the plug-in is a T-shaped piece matching the T-slot.

5. The air conditioner indoor unit according to claim 1, characterized in that: The housing defines a first channel and a second channel inside, the air inlet of the first channel is higher than the air inlet of the second channel, and The indoor heat exchanger is disposed in both the first channel and the second channel.

6. The air conditioner indoor unit according to claim 5, characterized in that: The indoor heat exchanger is arranged in sections and includes a front section heat exchanger, a middle section heat exchanger and a rear section heat exchanger from front to back. The front section heat exchanger and the middle section heat exchanger are located in the second channel, and the rear section heat exchanger is located in the first channel.

7. The air conditioner indoor unit according to claim 6, characterized in that: The air inlet of the first channel is stronger than that of the second channel, so that more air enters the first channel through the air inlet and exchanges heat through the rear heat exchanger.

8. The air conditioner indoor unit according to claim 1, characterized in that: The air inlet is provided with a rotatable plate, and the rotatable plate is configured to be controlled to rotate around a horizontal rotation axis below the air inlet to open and close the air inlet.

9. The air conditioner indoor unit according to claim 1, characterized in that: A fan is provided below the indoor heat exchanger and is configured to blow the air heated by the indoor heat exchanger toward the air outlet.

10. The air conditioner indoor unit according to claim 1, characterized in that: The indoor unit of the air conditioner is arranged in a cabinet with a forward opening, and the panel faces forward.

Images