Air conditioner indoor unit

By setting annular protrusions and annular protrusions on the casing of the indoor unit of the air conditioner, the new technology problems in the prior art are solved, the fresh air delivery distance is improved and the temperature uniformity of the mixed air is enhanced, improving the user experience and simplifying the structural design.

CN224479730UActive Publication Date: 2026-07-10HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
Filing Date
2025-06-16
Publication Date
2026-07-10

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Abstract

The application relates to the technical field of household electrical appliances, and particularly relates to an air conditioner indoor unit. An air conditioner indoor unit comprises a shell, an air conditioner air inlet, an air conditioner air outlet, a fresh air inlet and a fresh air outlet are arranged on the shell; a heat treatment module, the heat treatment module comprises: an air conditioner fan, the air conditioner fan is arranged in the shell; a heat exchange element, the heat exchange element is arranged in the shell; a fresh air module, the fresh air module is arranged in the shell and is in communication with the fresh air inlet and the fresh air outlet respectively; a first annular protrusion, the first annular protrusion is arranged on the shell and protrudes outward from the shell and surrounds the periphery of the air conditioner air outlet; and a second annular protrusion, the second annular protrusion is arranged on the shell and protrudes outward from the shell and surrounds the periphery of the first annular protrusion. The air conditioner indoor unit provided by the application has a longer fresh air supply distance and better use experience.
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Description

Technical Field

[0001] This application relates to the field of home appliance technology, and more particularly to an indoor unit of an air conditioner. Background Technology

[0002] Air conditioner indoor units, as the most common household appliances, are ubiquitous in every home. In recent years, people have desired air conditioner indoor units to not only regulate indoor temperature but also provide fresh air intake. Therefore, related technologies typically incorporate independent air conditioning outlets and fresh air outlets on the casing of the indoor unit to respectively regulate indoor temperature and provide fresh air. However, in actual use, the fresh air delivered through the fresh air outlet often has a short travel distance, resulting in a less than ideal user experience. Utility Model Content

[0003] This application discloses an indoor air conditioning unit that enables fresh air to be delivered over a longer distance, resulting in a better user experience.

[0004] To achieve the above objectives, this application discloses an indoor air conditioning unit, comprising:

[0005] The housing is provided with an air conditioning inlet, an air conditioning outlet, a fresh air inlet, and a fresh air outlet.

[0006] The heat treatment module includes:

[0007] An air conditioning fan is disposed inside the housing and is used to draw air from outside the housing into the housing through the air conditioning inlet.

[0008] A heat exchanger is disposed inside the housing and is used to exchange heat with the air drawn into the housing. The air conditioning fan is also used to blow the heat-exchanged air out of the housing through the air conditioning outlet.

[0009] The fresh air module is disposed inside the housing and is connected to the fresh air inlet and the fresh air outlet respectively. It is used to purify the air entering the fresh air module through the fresh air inlet to obtain fresh air, and blow the fresh air out through the fresh air outlet.

[0010] The first annular protrusion surrounds the periphery of the air conditioner outlet, is disposed on the housing, and protrudes outward from the housing;

[0011] The second annular protrusion surrounds the periphery of the first annular protrusion, is disposed on the housing, and protrudes outward from the housing. The fresh air outlet is formed between the second annular protrusion and the first annular protrusion.

[0012] Since both the first and second annular protrusions protrude outward from the casing, the fresh air outlet formed between the second and first annular protrusions can also protrude outward from the casing, thereby achieving the purpose of making the fresh air outlet protrude outward from the casing.

[0013] With both the first and second annular protrusions extending outwards from the casing, the location of the fresh air outlet can be easily and quickly found by locating the first and second annular protrusions (by touch or observation). This provides a high degree of visualization and allows users to perceive the airflow at the outlet, resulting in a better user experience.

[0014] In addition, since the first annular protrusion surrounds the outer periphery of the air conditioner outlet and is disposed on the housing and protrudes outward from the housing, and the second annular protrusion surrounds the outer periphery of the first annular protrusion and is disposed on the housing and protrudes outward from the housing, a fresh air outlet is formed between the second annular protrusion and the first annular protrusion. Therefore, the fresh air outlet can surround the air conditioner outlet. When the fresh air outlet surrounds the air conditioner outlet, on the one hand, the air delivery distance of the fresh air can be increased, and on the other hand, the fresh air can be mixed with the air conditioner air, so that the temperature of the mixed air can be more uniform.

[0015] Optionally, according to the air conditioner indoor unit of the claim, the first annular protrusion protrudes from the air conditioner outlet; and / or, the second annular protrusion protrudes from the air conditioner outlet.

[0016] By making the first annular protrusion protrude from the air conditioning vent; and / or, the second annular protrusion protrude from the air conditioning vent, the fresh air vent and the air conditioning vent are not coplanar. This creates a height difference between the fresh air vent and the air conditioning vent, making the boundary between them clearer and avoiding confusion. This makes it easier for users to distinguish the fresh air vent from the air conditioning vent.

[0017] Optionally, the housing includes:

[0018] The outer shell, which encloses to form an inner cavity; and,

[0019] The mounting plate is disposed within the inner cavity, the air conditioning outlet is disposed on the mounting plate, and the fresh air outlet is disposed on the outer shell.

[0020] Since the air conditioning outlet is located on the mounting plate and the fresh air outlet is located on the outer casing, the air conditioning outlet and the fresh air outlet can be located on different parts of the casing. In this way, compared with the method of setting both the air conditioning outlet and the fresh air outlet on the same part of the casing, it can avoid the situation where the strength of the component is drastically reduced due to the air conditioning outlet and the fresh air outlet being concentrated on the same part.

[0021] On the other hand, it can also avoid the situation where the layout of the air conditioning vents and fresh air vents is too cramped. Furthermore, it can make the air conditioning vents and fresh air vents more structurally separate, thus making the fresh air vents more conspicuous and further improving their visibility.

[0022] Optionally, the housing includes:

[0023] Front shell; and,

[0024] The rear shell and the front shell are spaced apart and enclosed in the horizontal direction to form the inner cavity. The mounting plate is spaced apart and opposite to the front shell in the horizontal direction. The first annular protrusion and the second annular protrusion are both disposed on the front shell and protrude outward from the front shell.

[0025] By placing the air inlet at the rear of the casing, the front casing becomes more aesthetically pleasing, thus enhancing the appearance of the indoor unit. By placing both the first and second annular protrusions on the front casing and extending them outwards, the fresh air outlet can be positioned on the front casing, allowing it to face the room. This makes it easier for the indoor unit to deliver fresh air into the room.

[0026] By placing the air conditioning inlet on the rear shell and the fresh air outlet on the front shell, the air conditioning inlet and the fresh air outlet can be arranged on different components of the outer shell. This avoids the situation of being too cramped when arranging the air conditioning inlet and the fresh air outlet, and makes the layout of the air conditioning inlet and the fresh air outlet simpler.

[0027] Optionally, along the direction from the mounting plate to the front housing, at least a portion of the inner diameter of the first annular protrusion gradually increases.

[0028] Along the direction of the mounting plate towards the front shell, by gradually increasing the inner diameter of the first annular protrusion, the wind resistance of the first annular protrusion to the air conditioning air blown out through the air conditioning outlet can be reduced, thereby allowing the air conditioning air to be delivered to a farther place.

[0029] Optionally, the front housing is provided with a countersunk portion that is recessed toward the mounting plate;

[0030] The bottom of the countersunk hole is provided with a first opening surrounding the periphery of the air conditioner outlet, and the first annular protrusion is provided around the first opening and protrudes outward from the countersunk hole.

[0031] The second annular protrusion is disposed on the periphery of the countersunk hole and protrudes outward from the countersunk hole.

[0032] Because the bottom of the recessed hole is provided with a first opening surrounding the air conditioner outlet, and the periphery of the first opening is provided with a first annular protrusion protruding outward from the bottom of the hole, the first opening can allow the air conditioner air blown out of the air conditioner outlet to continue to enter the room through the first opening, thereby achieving the purpose of regulating the temperature of the room.

[0033] By setting a first annular protrusion on the periphery of the first opening, the first annular protrusion can guide the air conditioning air, allowing the air conditioning air to be blown further under the guidance of the first annular protrusion, thereby increasing the air delivery distance of the air conditioning air.

[0034] Optionally, a connecting hole is provided on the peripheral wall of the recessed portion, and the connecting hole connects the fresh air module and the fresh air outlet.

[0035] Since the connecting hole is located on the peripheral wall of the countersunk hole, the peripheral wall can be fully utilized to set the connecting hole. In this way, the connecting hole can avoid occupying the casing, such as the front of the front casing, and make the front of the casing more integrated.

[0036] Optionally, the second annular protrusion includes:

[0037] An outer convex ring is disposed on the housing surrounding the periphery of the first annular protrusion;

[0038] The inner ring has a first end located at the end of the outer ring away from the housing, and a second end of the inner ring is spaced apart from the housing. The inner ring is located on the side of the outer ring close to the first annular protrusion, and the fresh air outlet is formed between the inner ring and the first annular protrusion.

[0039] By positioning the first end of the inner ring at the end of the outer ring away from the housing, and the second end of the inner ring being spaced apart from the housing, the inner ring can guide the flow of fresh air entering between the first and second annular protrusions through the connecting hole. This allows the fresh air to form a ring distribution between the first and second annular protrusions, ensuring that air can be discharged from all positions around the fresh air outlet, thus guaranteeing the uniformity of the fresh air discharge.

[0040] Optionally, the fresh air module is arranged vertically at intervals from the fresh air outlet, and the fresh air module is located below the fresh air outlet;

[0041] A fresh air duct is formed inside the casing. The fresh air duct is located between the fresh air module and the fresh air outlet and is connected to both the fresh air module and the fresh air outlet.

[0042] Because the fresh air module is arranged vertically at intervals with the fresh air outlet, and the fresh air module is located below the fresh air outlet, on the one hand, the fresh air outlet can be located at a higher position of the indoor unit of the air conditioner, so that the fresh air blown out through the fresh air outlet can reach a higher position in the indoor space for people to use, thus making the user experience of the indoor unit of the air conditioner better.

[0043] On the other hand, it allows the fresh air modules and fresh air outlets to be laid out more dispersedly on the indoor unit of the air conditioner, thereby avoiding interference between the fresh air modules and fresh air outlets.

[0044] On the other hand, the fresh air module can make full use of the space under the indoor unit of the air conditioner, making the space layout more reasonable.

[0045] Optionally, the housing is provided with:

[0046] The enclosure panel, together with the housing, forms the fresh air duct.

[0047] The fresh air duct is formed by the enclosure panel and the casing together. In other words, the fresh air duct can be formed by cleverly utilizing the existing structure of the casing and the enclosure panel. There is no need to add too many parts to form the fresh air duct. The formation of the fresh air duct is very simple, which can simplify the structure of the air conditioner indoor unit and reduce the cost of the air conditioner indoor unit.

[0048] Compared with the prior art, the beneficial effects of this application are as follows:

[0049] In this application, since both the first annular protrusion and the second annular protrusion protrude outward from the housing, the fresh air outlet formed between the second annular protrusion and the first annular protrusion can also protrude outward from the housing, thereby achieving the purpose of making the fresh air outlet protrude outward from the housing.

[0050] With both the first and second annular protrusions extending outwards from the casing, the location of the fresh air outlet can be easily and quickly found by locating the first and second annular protrusions (by touch or observation). This provides a high degree of visualization and allows users to perceive the airflow at the outlet, resulting in a better user experience.

[0051] In addition, since the first annular protrusion surrounds the outer periphery of the air conditioner outlet and is disposed on the housing and protrudes outward from the housing, and the second annular protrusion surrounds the outer periphery of the first annular protrusion and is disposed on the housing and protrudes outward from the housing, a fresh air outlet is formed between the second annular protrusion and the first annular protrusion. Therefore, the fresh air outlet can surround the air conditioner outlet. When the fresh air outlet surrounds the air conditioner outlet, on the one hand, the air delivery distance of the fresh air can be increased, and on the other hand, the fresh air can be mixed with the air conditioner air, so that the temperature of the mixed air can be more uniform. Attached Figure Description

[0052] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0053] Figure 1 This is a schematic diagram of the structure of an air conditioner indoor unit according to an embodiment of this application;

[0054] Figure 2 yes Figure 1 A structural schematic diagram of a central air conditioning indoor unit from another perspective;

[0055] Figure 3 yes Figure 1 A structural schematic diagram of the indoor unit of an air conditioner from another perspective;

[0056] Figure 4 yes Figure 2 An exploded view of a central air conditioning indoor unit;

[0057] Figure 5 yes Figure 3 Cross-sectional view at position AA in the middle;

[0058] Figure 6 yes Figure 1 Another exploded view of the indoor unit of a central air conditioner;

[0059] Figure 7 yes Figure 5 A magnified view of a section at position B in the middle;

[0060] Figure 8 yes Figure 6 An exploded view of the middle anterior shell;

[0061] Figure 9 yes Figure 6 Another exploded view of the middle anterior shell;

[0062] Figure 10 yes Figure 9A schematic diagram of the structure after the front shell is disassembled and decomposed.

[0063] Figure 11 yes Figure 9 A schematic diagram of the structure of the second annular protrusion.

[0064] Explanation of reference numerals in the attached figures:

[0065] 1-Housing; 10-Inner cavity; 11-Air conditioning inlet; 12-Air conditioning outlet; 13-Fresh air inlet; 14-Fresh air outlet; 15-Outer shell; 151-Front shell; 152-Rear shell; 16-Mounting plate; 17-Enclosure plate; 18-Counterhead; 181-Connecting hole; 182-Bottom of hole; 1821-First opening; 1821a-First annular protrusion; 183-Second annular protrusion; 1831-Outer convex ring; 1832-Inner constricting ring; 1832a-Second end;

[0066] 2-Heat treatment module; 21-Heat exchanger;

[0067] 3-Fresh air module; 31-Fresh air duct; 32-Fresh air handling components; 321-Volume housing; 322-Fresh air fan; 100-Indoor air conditioning unit. Detailed Implementation

[0068] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0069] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0070] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0071] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0072] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0073] Before explaining the technical solution of this application, the background technology of this application shall be explained first.

[0074] Air conditioner indoor units, as the most common household appliances, are ubiquitous in every home. In recent years, people have desired air conditioner indoor units to not only regulate indoor temperature but also provide fresh air intake. Therefore, related technologies typically feature independent air conditioning outlets and fresh air outlets on the casing of the indoor unit to respectively regulate indoor temperature and provide fresh air. However, in actual use, the fresh air delivered through the fresh air outlet often has a short delivery distance, resulting in a poor user experience. Therefore, this application provides a novel air conditioner indoor unit to address these issues.

[0075] The technical solution of this application will be further described below with reference to specific embodiments and accompanying drawings.

[0076] Figure 1 This is a structural schematic diagram of an air conditioner indoor unit 100 provided in one embodiment of this application. Figure 2 yes Figure 1 A structural schematic diagram of the indoor unit 100 of the air conditioner from another perspective. Figure 3 yes Figure 1 A structural schematic diagram of the indoor unit 100 of the air conditioner from another perspective. Figure 4 yes Figure 2 An exploded view of an indoor unit 100 for a central air conditioner.

[0077] See Figure 1 and Figure 2 The indoor unit of the air conditioner 100 includes a housing 1, on which an air conditioner air inlet 11, an air conditioner air outlet 12, a fresh air inlet 13, and a fresh air outlet 14 are provided.

[0078] By setting an air conditioning inlet 11 and an air conditioning outlet 12 on the housing 1, preparations can be made for the subsequent intake of air into the housing 1 through the air conditioning inlet 11 for heat exchange, and the air after heat exchange being blown out of the housing 1 through the air conditioning outlet 12.

[0079] Similarly, by setting a fresh air inlet 13 and a fresh air outlet 14 on the housing 1, preparations can be made for the subsequent intake of air into the housing 1 through the fresh air inlet 13 for processing to obtain fresh air, and for the fresh air to be blown out of the housing 1 through the fresh air outlet 14.

[0080] The casing 1 can be made of plastic, metal, or any other possible material; this embodiment does not limit this. Furthermore, the shapes of the air conditioning inlet 11, air conditioning outlet 12, fresh air inlet 13, and fresh air outlet 14 can be circular, square, or any other possible shape; this embodiment does not limit this.

[0081] To prevent dust in the air from entering the housing 1 through the air inlet 11 during heat exchange and contaminating the components inside the housing 1, in some embodiments, see... Figure 2 A filter screen can be installed on the air inlet 11 of the air conditioner.

[0082] When a filter screen is installed on the air inlet 11 of the air conditioner, the filter screen can filter out or at least partially filter out dust in the air, thereby preventing dust in the air from entering the casing 1 through the air inlet 11, thus preventing the components inside the casing 1 from being contaminated, and making the indoor unit 100 of the air conditioner more durable.

[0083] In some embodiments, see Figure 4 The indoor unit 100 of the air conditioner also includes a heat treatment module 2, which includes an air conditioner fan and a heat exchanger 21. The air conditioner fan is installed inside the casing 1 and is used to draw air from outside the casing 1 into the casing 1 through the air conditioner inlet 11. The heat exchanger 21 is installed inside the casing 1 and is used to exchange heat with the air drawn into the casing 1. The air conditioner fan is also used to blow the air after heat exchange out of the casing 1 through the air conditioner outlet 12.

[0084] Since the air conditioner fan and heat exchanger 21 are both located inside the housing 1, when the air conditioner fan draws air from outside the housing 1 into the housing 1 through the air conditioner inlet 11, the air drawn into the housing 1 can come into contact with the heat exchanger 21. When the air drawn into the housing 1 comes into contact with the heat exchanger 21, the heat exchanger 21 can exchange heat with the air, thereby causing the temperature of the air to change.

[0085] After the heat exchanger 21 exchanges heat with the air inside the intake casing 1, the air conditioner fan can blow the heat-exchanged air out of the casing 1 through the air conditioner outlet 12 and into the room, thereby achieving the purpose of heating or cooling the room, so that the indoor unit 100 of the air conditioner has the function of heating or cooling.

[0086] As can be seen, when the air conditioner indoor unit 100 also includes a heat treatment module 2, the air conditioner indoor unit 100 can have the function of heating or cooling, thereby changing the indoor temperature and improving the user's home comfort.

[0087] The heat exchanger 21 mentioned above can be a condenser or an electric heating wire, etc., and this embodiment does not limit it.

[0088] The aforementioned air conditioning fan can be an axial flow fan or a centrifugal fan, etc., and this embodiment does not limit it.

[0089] In some embodiments, see Figure 4 and Figure 5 , Figure 5 yes Figure 3 The cross-sectional view at position AA shows that the indoor unit 100 of the air conditioner also includes a fresh air module 3. The fresh air module 3 is disposed inside the casing 1 and is connected to the fresh air inlet 13 and the fresh air outlet 14 respectively. It is used to purify the air entering the fresh air module 3 through the fresh air inlet 13 to obtain fresh air, and blow the fresh air out through the fresh air outlet 14.

[0090] Specifically, the fresh air module 3 may include a fresh air handling component 32, and a fresh air duct 31 is formed inside the housing 1, with the first end of the fresh air duct 31 ( Figure 5 The top of the fresh air duct 31 is connected to the fresh air outlet 14.

[0091] The fresh air handling component 32 is disposed inside the housing 1 and is connected to the second end of the fresh air duct 31. Figure 5 The bottom end of the fresh air duct 31 is connected to the fresh air inlet 13. The fresh air treatment component 32 is used to purify the air entering the fresh air treatment component 32 through the fresh air inlet 13 to obtain fresh air, and blow the fresh air out through the fresh air duct 31 and the fresh air outlet 14.

[0092] Since the fresh air handling unit 32 is connected to the fresh air inlet 13, air can enter the fresh air handling unit 32 through the fresh air inlet 13. When air enters the fresh air handling unit 32 through the fresh air inlet 13, the fresh air handling unit 32 can purify the air entering it through the fresh air inlet 13 to obtain fresh air. Specifically, the fresh air handling unit 32 can filter the air to obtain fresh air.

[0093] After the fresh air handling component 32 filters the air to obtain fresh air, since the fresh air handling component 32 is also connected to the second end of the fresh air duct 31, the fresh air can enter the fresh air duct 31 through the second end of the fresh air duct 31, and can enter the fresh air outlet 14 through the first end of the fresh air duct 31 and be blown out through the fresh air outlet 14, thereby achieving the purpose of providing fresh air to the room.

[0094] It is evident that when the indoor unit 100 of the air conditioner also includes a fresh air module 3, it can provide fresh air to the room, thereby improving the indoor air quality, which in turn makes the user's home experience better and is more conducive to the user's health.

[0095] In addition, when the air conditioner indoor unit 100 also includes a fresh air module 3, the air conditioner indoor unit 100 can not only have the functions of heating and cooling, but also have a fresh air function. One device integrates multiple functions, with a higher degree of integration. Compared with the method of achieving the above functions through multiple devices in related technologies, on the one hand, it can reduce the total floor space of the equipment and save indoor space, and on the other hand, it can also reduce the total purchase cost.

[0096] Among them, see Figure 4 and Figure 5 The aforementioned fresh air treatment component 32 may include a volute 321, a filter element (not shown in the figure), and a fresh air fan 322. The volute 321 is disposed inside the housing 1 and is connected to the second end of the fresh air inlet 13 and the fresh air duct 31, respectively. The filter element and the fresh air fan 322 are disposed inside the volute 321. In this way, when the fresh air fan 322 is activated, air can be drawn through the fresh air inlet 13 and passed through the filter element. The filter element can purify the air passing through it to obtain fresh air. Finally, the fresh air can be blown out through the fresh air duct 31 and the fresh air outlet 14.

[0097] In some embodiments, the fresh air inlet 13 can be connected to the outside through a duct. In this way, the fresh air handling component 32 can draw in outdoor air, process it to obtain fresh air, and blow the fresh air into the room, thereby replenishing oxygen in the room and reducing the indoor carbon dioxide concentration.

[0098] In some embodiments, see Figure 1 and Figure 3 Fresh air outlet 14 surrounds air conditioning outlet 12.

[0099] Since the fresh air outlet 14 surrounds the air conditioner outlet 12, the air conditioner air blown out of the air conditioner outlet 12 can accelerate the fresh air blown out of the fresh air outlet 14, allowing the fresh air to reach farther places with the help of the air conditioner air. This increases the delivery distance of the fresh air and the coverage area of ​​the fresh air, resulting in a better user experience for the indoor unit of the air conditioner.

[0100] As can be seen, by arranging the fresh air outlet 14 around the air conditioner outlet 12, even if the air velocity of the fresh air blown out by the fresh air outlet 14 is limited, the air delivery distance of the fresh air can be increased with the help of the air conditioner air blown out by the air conditioner outlet 12. There is no need to increase the horsepower of the fresh air fan to increase the air delivery distance. The structural design is very ingenious and can reduce the manufacturing cost and power cost of the entire air conditioner indoor unit 100.

[0101] In addition, by making the fresh air outlet 14 surround the air conditioning outlet 12, the fresh air blown out through the fresh air outlet 14 can be mixed with the air conditioning air blown out through the air conditioning outlet 12, so that the temperature of the mixed air can be more uniform, thereby further improving the user experience.

[0102] The shape of the air conditioner vent 12 can be circular, rectangular or any other possible shape, and the embodiment does not limit this.

[0103] In some embodiments, see Figure 1 and Figure 3 The fresh air outlet 14 is exposed outside the casing 1.

[0104] By exposing the fresh air outlet 14 to the casing 1, the fresh air outlet 14 is not covered by the casing 1. In simple terms, the fresh air outlet 14 is a relatively conspicuous structure with a high degree of visibility. As a result, users can easily find the location of the fresh air outlet 14 and perceive the fresh air supply at the fresh air outlet 14, resulting in a better user experience.

[0105] Specifically, there are multiple ways to expose the aforementioned fresh air outlet 14 outside the casing 1. In one possible implementation, see [link to relevant documentation]. Figure 8 , Figure 9 and Figure 10 The indoor unit 100 of the air conditioner also includes a first annular protrusion 1821a and a second annular protrusion 183. The first annular protrusion 1821a is disposed around the periphery of the air conditioner outlet 12 on the housing 1 and protrudes outward from the housing 1. The second annular protrusion 183 is disposed around the periphery of the first annular protrusion 1821a on the housing 1 and protrudes outward from the housing 1. A fresh air outlet 14 is formed between the second annular protrusion 183 and the first annular protrusion 1821a.

[0106] Since both the first annular protrusion 1821a and the second annular protrusion 183 protrude outward from the housing 1, the fresh air outlet 14 formed between the second annular protrusion 183 and the first annular protrusion 1821a can also protrude outward from the housing 1, thereby achieving the purpose of making the fresh air outlet 14 protrude outward from the housing 1.

[0107] With both the first annular protrusion 1821a and the second annular protrusion 183 protruding outward from the casing 1, when it is necessary to find the location of the fresh air outlet 14, the location of the fresh air outlet 14 can be easily and quickly found by locating the positions of the first annular protrusion 1821a and the second annular protrusion 183 (by touching or observing). The visualization is high, and the fresh air supply can be perceived at the fresh air outlet 14, resulting in a better user experience.

[0108] In addition, since the first annular protrusion 1821a surrounds the outer periphery of the air conditioning outlet 12 and is disposed on the housing 1 and protrudes outward from the housing 1, and the second annular protrusion 183 surrounds the outer periphery of the first annular protrusion 1821a and is disposed on the housing 1 and protrudes outward from the housing 1, a fresh air outlet 14 is formed between the second annular protrusion 183 and the first annular protrusion 1821a. Therefore, the fresh air outlet 14 can surround the air conditioning outlet 12. When the fresh air outlet 14 surrounds the air conditioning outlet 12, on the one hand, the air delivery distance of the fresh air can be increased, and on the other hand, the fresh air can be mixed with the air conditioning air, so that the temperature of the mixed air can be more uniform.

[0109] In some embodiments, see Figure 1 , Figure 4 and Figure 5 The indoor unit 100 of the air conditioner includes a casing 1, a heat treatment module 2, and a fresh air module 3. The casing 1 is provided with an air conditioner air inlet 11, an air conditioner air outlet 12, a fresh air inlet 13, and a fresh air outlet 14.

[0110] The heat treatment module 2 includes an air conditioning fan and a heat exchanger 21. The air conditioning fan is installed inside the housing 1 and is used to draw air from outside the housing 1 into the housing 1 through the air conditioning inlet 11. The heat exchanger 21 is installed inside the housing 1 and is used to exchange heat with the air drawn into the housing 1. The air conditioning fan is also used to blow the air after heat exchange out of the housing 1 through the air conditioning outlet 12.

[0111] The fresh air module 3 is installed inside the housing 1 and is connected to the fresh air inlet 13 and the fresh air outlet 14 respectively. It is used to purify the air entering the fresh air module 3 through the fresh air inlet 13 to obtain fresh air, and blow the fresh air out through the fresh air outlet 14.

[0112] Further, see Figure 8 , 9 and Figure 10The indoor unit 100 of the air conditioner also includes a first annular protrusion 1821a and a second annular protrusion 183. The first annular protrusion 1821a is disposed around the periphery of the air conditioner outlet 12 on the housing 1 and protrudes outward from the housing 1. The second annular protrusion 183 is disposed around the periphery of the first annular protrusion 1821a on the housing 1 and protrudes outward from the housing 1. A fresh air outlet 14 is formed between the second annular protrusion 183 and the first annular protrusion 1821a.

[0113] In this embodiment, since both the first annular protrusion 1821a and the second annular protrusion 183 protrude outward from the housing 1, the fresh air outlet 14 formed between the second annular protrusion 183 and the first annular protrusion 1821a can also protrude outward from the housing 1, thereby achieving the purpose of making the fresh air outlet 14 protrude outward from the housing 1.

[0114] With both the first annular protrusion 1821a and the second annular protrusion 183 protruding outward from the casing 1, when it is necessary to find the location of the fresh air outlet 14, the location of the fresh air outlet 14 can be easily and quickly found by locating the positions of the first annular protrusion 1821a and the second annular protrusion 183 (by touching or observing). The visualization is high, and the fresh air supply can be perceived at the fresh air outlet 14, resulting in a better user experience.

[0115] In addition, since the first annular protrusion 1821a surrounds the outer periphery of the air conditioning outlet 12 and is disposed on the housing 1 and protrudes outward from the housing 1, and the second annular protrusion 183 surrounds the outer periphery of the first annular protrusion 1821a and is disposed on the housing 1 and protrudes outward from the housing 1, a fresh air outlet 14 is formed between the second annular protrusion 183 and the first annular protrusion 1821a. Therefore, the fresh air outlet 14 can surround the air conditioning outlet 12. When the fresh air outlet 14 surrounds the air conditioning outlet 12, on the one hand, the air delivery distance of the fresh air can be increased, and on the other hand, the fresh air can be mixed with the air conditioning air, so that the temperature of the mixed air can be more uniform.

[0116] In some embodiments, see Figure 3 The fresh air outlet 14 is ring-shaped.

[0117] When the fresh air outlet 14 is annular, the distance between each position of the fresh air outlet 14 and the air conditioning outlet 12 can be minimized as much as possible while keeping the total air outlet area of ​​the fresh air outlet 14 constant. On the one hand, this can ensure that all the fresh air blown out through the fresh air outlet 14 can be assisted by the air conditioning air blown out through the air conditioning outlet 12, thereby ensuring that as much fresh air as possible is delivered over a longer distance. On the other hand, it can also make the mixing of air conditioning air and fresh air more uniform.

[0118] The aforementioned fresh air outlet 14 can be a circular ring or a rectangular ring, etc., and this embodiment does not limit it.

[0119] In some embodiments, see Figure 5 and Figure 6 The first annular protrusion 1821a protrudes from the air conditioner outlet 12; and / or the second annular protrusion 183 protrudes from the air conditioner outlet 12.

[0120] By making the first annular protrusion 1821a protrude from the air conditioning outlet 12; and / or the second annular protrusion 183 protrude from the air conditioning outlet 12, the fresh air outlet 14 and the air conditioning outlet 12 are not coplanar. This creates a height difference between the fresh air outlet 14 and the air conditioning outlet 12, making the boundary between them clearer and avoiding confusion. This makes it easier for users to distinguish the fresh air outlet 14 from the air conditioning outlet 12.

[0121] In some embodiments, see Figure 5 and Figure 6 , Figure 6 yes Figure 1 Another exploded view of the indoor unit 100 of the air conditioner shows that the housing 1 includes an outer shell 15 and a mounting plate 16. The outer shell 15 encloses and forms an inner cavity 10. The mounting plate 16 is disposed in the inner cavity 10. The air conditioner outlet 12 is disposed on the mounting plate 16, and the fresh air outlet 14 is disposed on the outer shell 15.

[0122] Since the air conditioning outlet 12 is located on the mounting plate 16 and the fresh air outlet 14 is located on the outer casing 15, the air conditioning outlet 12 and the fresh air outlet 14 can be located on different parts of the casing 1. In this way, compared with the method of setting both the air conditioning outlet 12 and the fresh air outlet 14 on the same part of the casing 1, it can avoid the situation where the strength of the part is drastically reduced due to the air conditioning outlet 12 and the fresh air outlet 14 being concentrated on the same part.

[0123] On the other hand, it can also avoid the situation where the layout of the air conditioning vent 12 and the fresh air vent 14 is too cramped. Furthermore, it can make the air conditioning vent 12 and the fresh air vent 14 structurally more separate, thereby making the fresh air vent 14 more conspicuous and further improving its visibility.

[0124] In some embodiments, see Figure 6The outer shell 15 includes a front shell 151 and a rear shell 152. The rear shell 152 and the front shell 151 are spaced apart and enclosed in the horizontal direction to form an inner cavity 10. The mounting plate 16 is spaced apart and opposite to the front shell 151 in the horizontal direction. The first annular protrusion 1821a and the second annular protrusion 183 are both disposed on the front shell 151 and protrude outward from the front shell 151. The air conditioning inlet 11 is disposed on the rear shell 152.

[0125] By positioning the air inlet 11 on the rear housing 152, the front housing 151 becomes more aesthetically pleasing, thereby enhancing the appearance of the indoor unit 100. By positioning both the first annular protrusion 1821a and the second annular protrusion 183 on the front housing 151 and extending outwards from it, the fresh air outlet 14 can be positioned on the front housing 151, allowing it to face the room. This makes it easier for the indoor unit 100 to blow fresh air into the room.

[0126] By placing the air conditioning inlet 11 on the rear shell 152 and the fresh air outlet 14 on the front shell 151, the air conditioning inlet 11 and the fresh air outlet 14 can be arranged on different parts of the outer shell 15. This avoids the situation of being too cramped when arranging the air conditioning inlet 11 and the fresh air outlet 14, and makes the layout of the air conditioning inlet 11 and the fresh air outlet 14 simpler.

[0127] Of course, in other embodiments, the air conditioning inlet 11 can also be located on the front cover 151, and the fresh air outlet 14 can also be located on the rear cover 152. This embodiment does not limit this.

[0128] It should be noted that the aforementioned front casing 151 refers to the casing 15 facing the user after the air conditioner indoor unit 100 is installed, and the aforementioned rear casing 152 refers to the casing 15 facing away from the user.

[0129] In some embodiments, see Figure 6 and Figure 8 , Figure 8 yes Figure 6 An exploded view of the front shell 151 shows that the front shell 151 has a recessed portion 18 that sinks towards the mounting plate 16. A connecting hole 181 is provided on the peripheral wall of the recessed portion 18, which connects the fresh air module 3 and the fresh air outlet 14.

[0130] Since the connecting hole 181 is located on the peripheral wall of the countersunk hole portion 18, the peripheral wall can be fully utilized to set the connecting hole 181. In this way, the connecting hole 181 can avoid occupying the front of the housing 1, such as the front cover 151, making the front of the housing 1 more integrated.

[0131] In some embodiments, see Figure 8 , Figure 9 and Figure 10 , Figure 9 yes Figure 6 Another exploded view of the middle anterior shell. Figure 10 yes Figure 9 The diagram shows the structure after the front shell is disassembled. The bottom 182 of the countersunk hole 18 is provided with a first opening 1821 surrounding the air conditioning outlet 12. A first annular protrusion 1821a is provided around the first opening 1821 and protrudes outward from the countersunk hole 18.

[0132] Since the bottom 182 of the countersunk hole 18 is provided with a first opening 1821 surrounding the air conditioner outlet 12, and the periphery of the first opening 1821 is provided with a first annular protrusion 1821a protruding outward from the bottom 182 of the hole, the first opening 1821 can allow the air conditioner air blown out of the air conditioner outlet 12 to continue to enter the room through the first opening 1821, thereby achieving the purpose of regulating the temperature of the room.

[0133] By providing a first annular protrusion 1821a of the outwardly protruding countersunk portion 18 around the first opening 1821, the first annular protrusion 1821a can guide the air conditioning air, so that the air conditioning air can be blown further under the guidance of the first annular protrusion 1821a, thereby increasing the air delivery distance of the air conditioning air.

[0134] In some embodiments, see Figure 8 , Figure 9 and Figure 10 The second annular protrusion 183 is disposed on the periphery of the countersunk hole portion 18 and protrudes outward from the countersunk hole portion 18.

[0135] Since the second annular protrusion 183 is disposed around the periphery of the countersunk hole 18 and protrudes outward from the countersunk hole 18, and the first annular protrusion 1821a is disposed around the periphery of the first opening 1821 and protrudes outward from the countersunk hole 18, and since a fresh air outlet 14 is formed between the second annular protrusion 183 and the first annular protrusion 1821a, the fresh air outlet 14 can be made to protrude outward from the front shell 151 as a whole, thereby improving the visibility of the fresh air outlet 14.

[0136] As can be seen, by making the second annular protrusion 183 disposed on the periphery of the countersunk hole 18 and protruding outward from the countersunk hole 18, and making the first annular protrusion 1821a disposed on the periphery of the first opening 1821 and protruding outward from the countersunk hole 18, the fresh air outlet 14 formed between the second annular protrusion 183 and the first annular protrusion 1821a can be made to protrude outward from the front shell 151 as a whole. The implementation method is very simple and can reduce the cost of manufacturing the fresh air outlet 14 that protrudes outward from the front shell 151.

[0137] In some embodiments, see Figure 6 and Figure 10The direction from the air conditioner vent 12 to the fresh air vent 14 ( Figure 6 In the positive direction of the X-axis, that is, along the direction from the mounting plate 16 to the front housing 151, the inner diameter of at least part of the first annular protrusion 1821a gradually increases.

[0138] Along the direction from the mounting plate 16 to the front housing 151, by gradually increasing the inner diameter of the first annular protrusion 1821a, the wind resistance of the first annular protrusion 1821a to the air conditioning air blown out through the air conditioning outlet 12 can be reduced, thereby enabling the air conditioning air to be delivered to a farther place.

[0139] In some embodiments, see Figure 9 and Figure 11 , Figure 11 yes Figure 9 A schematic diagram of the structure of the second annular protrusion 183 is shown. The second annular protrusion 183 includes an outer protruding ring 1831 and an inner concave ring 1832. The outer protruding ring 1831 is disposed around the periphery of the first annular protrusion 1821a on the housing 1. Specifically, the outer protruding ring 1831 can be disposed around the periphery of the countersunk portion 18 and protrude outward from the front housing 151. The first end of the inner concave ring 1832 is disposed at the end of the outer protruding ring 1831 away from the housing 1, and the second end of the inner concave ring 1832 is spaced apart from the housing 1. The inner concave ring 1832 is located on the side of the outer protruding ring 1831 close to the first annular protrusion 1821a. A fresh air outlet 14 is formed between the inner concave ring 1832 and the first annular protrusion 1821a.

[0140] By positioning the first end of the inner ring 1832 at the end of the outer ring 1831 away from the housing 1, and the second end of the inner ring 1832 being spaced apart from the housing 1, the inner ring 1832 can guide the flow of fresh air entering between the first annular protrusion 1821a and the second annular protrusion 183 through the connecting hole 181. This allows the fresh air to form a ring distribution between the first annular protrusion 1821a and the second annular protrusion 183, thereby ensuring that air can be discharged from all positions around the fresh air outlet 14, thus ensuring the uniformity of the air discharged from the fresh air outlet 14.

[0141] In some embodiments, see Figure 5 Fresh air module 3 is along the vertical direction ( Figure 5 The fresh air module 3 is positioned at an interval from the fresh air outlet 14 in the Z-axis direction, and is located below the fresh air outlet 14.

[0142] A fresh air duct 31 is formed inside the housing 1. The fresh air duct 31 is located between the fresh air module 3 and the fresh air outlet 14 and is connected to the fresh air module 3 and the fresh air outlet 14 respectively.

[0143] Because the fresh air module 3 is along the vertical direction ( Figure 5The fresh air module 3 is positioned at an interval from the fresh air outlet 14 in the Z-axis direction, and the fresh air module 3 is located below the fresh air outlet 14. Therefore, on the one hand, the fresh air outlet 14 can be located at a higher position of the air conditioner indoor unit, so that the fresh air blown out through the fresh air outlet 14 can reach a higher position in the indoor space for people to use, making the user experience of the air conditioner indoor unit better.

[0144] On the other hand, it allows the fresh air module 3 and the fresh air outlet 14 to be arranged more dispersedly on the indoor unit of the air conditioner, thereby avoiding interference between the fresh air module 3 and the fresh air outlet 14.

[0145] On the other hand, the fresh air module 3 can make full use of the space under the indoor unit of the air conditioner, making the space layout more reasonable.

[0146] In some embodiments, see Figure 5 , Figure 6 and Figure 7 , Figure 7 yes Figure 5 A partial enlarged view at position B shows that an enclosure plate 17 is installed inside the casing 1, and the enclosure plate 17 and the casing 1 enclose each other to form a fresh air duct 31.

[0147] As can be seen, the fresh air duct 31 is formed by the enclosure plate 17 and the housing 1 together. That is, the fresh air duct 31 can be formed by cleverly utilizing the existing structure of the housing 1 and the enclosure plate 17. There is no need to add too many parts to form the fresh air duct 31. The formation method of the fresh air duct 31 is very simple, which can simplify the structure of the air conditioner indoor unit and reduce the cost of the air conditioner indoor unit.

[0148] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. An air conditioner indoor unit (100), characterized in that, include: The housing (1) is provided with an air conditioning inlet (11), an air conditioning outlet (12), a fresh air inlet (13) and a fresh air outlet (14); Heat treatment module (2), the heat treatment module (2) includes: An air conditioning fan is installed inside the housing (1) and is used to draw air from outside the housing (1) into the housing (1) through the air conditioning inlet (11). Heat exchanger (21), the heat exchanger (21) is disposed inside the housing (1) for heat exchange of the air drawn into the housing (1), and the air conditioning fan is also used to blow the air after heat exchange out of the housing (1) through the air conditioning outlet (12); Fresh air module (3), the fresh air module (3) is disposed inside the housing (1) and is connected to the fresh air inlet (13) and the fresh air outlet (14) respectively, for purifying the air entering the fresh air module (3) through the fresh air inlet (13) to obtain fresh air, and blowing the fresh air out through the fresh air outlet (14); The first annular protrusion (1821a) surrounds the periphery of the air conditioner outlet (12) and is disposed on the housing (1) and protrudes outward from the housing (1); The second annular protrusion (183) surrounds the outer periphery of the first annular protrusion (1821a) and is disposed on the housing (1) and protrudes outward from the housing (1). The fresh air outlet (14) is formed between the second annular protrusion (183) and the first annular protrusion (1821a).

2. The air conditioner indoor unit (100) according to claim 1, characterized in that, A first annular protrusion (1821a) protrudes from the air conditioner outlet (12); and / or, a second annular protrusion (183) protrudes from the air conditioner outlet (12).

3. The air conditioner indoor unit (100) according to claim 2, characterized in that, The housing (1) includes: A housing (15) that encloses to form an inner cavity (10); and, Mounting plate (16) is disposed in the inner cavity (10), air conditioning outlet (12) is disposed on the mounting plate (16), and fresh air outlet (14) is disposed on the outer shell (15).

4. The air conditioner indoor unit (100) according to claim 3, characterized in that, The outer casing (15) includes: Foreshell (151); and, The rear shell (152) and the front shell (151) are spaced apart and enclosed in the horizontal direction to form the inner cavity (10). The mounting plate (16) and the front shell (151) are spaced apart and opposite to each other in the horizontal direction. The first annular protrusion (1821a) and the second annular protrusion (183) are both disposed on the front shell (151) and protrude outward from the front shell (151).

5. The air conditioner indoor unit (100) according to claim 4, characterized in that, Along the direction of the mounting plate (16) toward the front shell (151), the inner diameter of at least a portion of the first annular protrusion (1821a) gradually increases.

6. The air conditioner indoor unit (100) according to claim 4, characterized in that, The front shell (151) is provided with a countersunk hole (18) that is recessed toward the mounting plate (16); The bottom (182) of the countersunk hole (18) is provided with a first opening (1821) surrounding the periphery of the air conditioner outlet (12), and the first annular protrusion (1821a) is provided on the periphery of the first opening (1821) and protrudes outward from the countersunk hole (18). The second annular protrusion (183) is disposed on the periphery of the countersunk hole portion (18) and protrudes outward from the countersunk hole portion (18).

7. The air conditioner indoor unit (100) according to claim 6, characterized in that, The recessed portion (18) has a connecting hole (181) on its peripheral wall, which connects the fresh air module (3) and the fresh air outlet (14).

8. The air conditioning indoor unit (100) according to any one of claims 1-7, characterized in that, The second annular protrusion (183) includes: An outer convex ring (1831) is disposed on the housing (1) surrounding the periphery of the first annular protrusion (1821a); An inner ring (1832) is provided at the end of the outer ring (1831) away from the housing (1), and the second end of the inner ring (1832) is spaced apart from the housing (1). The inner ring (1832) is located on the side of the outer ring (1831) close to the first annular protrusion (1821a). The fresh air outlet (14) is formed between the inner ring (1832) and the first annular protrusion (1821a).

9. The air conditioning indoor unit (100) according to any one of claims 1-7, characterized in that, The fresh air module (3) is arranged vertically at intervals from the fresh air outlet (14), and the fresh air module (3) is located below the fresh air outlet (14); A fresh air duct (31) is formed inside the housing (1). The fresh air duct (31) is located between the fresh air module (3) and the fresh air outlet (14) and is connected to the fresh air module (3) and the fresh air outlet (14) respectively.

10. The air conditioner indoor unit (100) according to claim 9, characterized in that, The housing (1) is provided with: Enclosing plate (17), the enclosing plate (17) and the housing (1) enclose to form the fresh air duct (31).