WO2022257744A1

WO2022257744A1 - Air conditioner

Info

Publication number: WO2022257744A1
Application number: PCT/CN2022/094498
Authority: WO
Inventors: 康铁生; 毛先友; 陈良锐; 丁鹏垒; 陈志航; 覃强
Original assignee: 美的集团股份有限公司; 广东美的制冷设备有限公司
Priority date: 2021-06-07
Filing date: 2022-05-23
Publication date: 2022-12-15

Abstract

Provided is an air conditioner (100), comprising: a device housing (10), the device housing (10) defining a first air duct space (11), a second air duct space (12), a first air inlet (111), a first air outlet (112), a second air inlet (121), a second air outlet (122), and a disassembly and assembly port (123); an air duct assembly (20), which is disposed in the first air duct space (11) so as to drive gas to flow from the first air inlet (111) to the first air outlet (112); and an air treatment assembly (30), which is disposed in the second air duct space (12). The air treatment assembly (30) comprises: a housing (31), which defines a gas flow channel (311) that places the second air inlet (121) and the second air outlet (122) in communication; a wind turbine (32), which is disposed in the gas flow channel (311); a first filter assembly (33), which is mounted in the gas flow channel (311); and a second filter assembly (34), which is detachably mounted in the gas flow channel (311) by means of the disassembly and assembly port (123), the second filter assembly (34) being located on the air intake side of the first filter assembly (33) along a gas flow direction. The service life of a functional module in an air duct can be prolonged, and an improved purification effect can be achieved.

Description

air conditioner

Cross References to Related Applications

This application claims the priority of the Chinese patent application numbers "202110631680.7" and "202121266594.2" filed by Midea Group Co., Ltd. and Guangdong Midea Refrigeration Equipment Co., Ltd. on June 7, 2021. The entire content of the Chinese patent application is hereby This application is incorporated by reference.

technical field

The present application relates to the technical field of air conditioning, and more specifically, to an air conditioner.

Background technique

In the related art, after the air conditioner is used for a long time, foreign matter such as hair is easy to accumulate in the air duct, which is difficult to clean, and these foreign matters adhere to functional components such as HEPA net through the air duct, reducing the service life of the functional components.

Contents of the invention

This application aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present application is to provide an air conditioner, which improves the service life of the first filter assembly and facilitates disassembly and cleaning of the second filter assembly.

The air conditioner according to the embodiment of the present application includes: a casing, the first air duct space and the second air duct space are defined in the casing, and the casing is also provided with a corresponding to the first air duct space. The first air inlet and the first air outlet, the second air inlet, the second air outlet and the disassembly port corresponding to the second air duct space; the air duct assembly, the air duct assembly is arranged on the first air duct air passage space to drive gas from the first air inlet to the first air outlet; the air treatment assembly is arranged in the second air passage space and includes: a casing, the casing defines The gas flow channel connecting the second air inlet and the second air outlet; the wind wheel, the wind wheel is arranged in the gas flow channel; the first filter assembly, the first filter assembly is installed in the In the gas flow channel; the second filter assembly, the second filter assembly is detachably installed in the gas flow channel through the disassembly port, and the second filter assembly is located in the first gas flow channel in the direction of gas flow The air intake side of a filter assembly.

According to the air conditioner of the embodiment of the present application, by installing the air duct assembly and the air processing assembly in the casing, the air conditioner has the function of cooling and heating and air processing, and the primary filter is passed through the second filter assembly and then passed through the first filter assembly Filtration improves the air treatment effect and the service life of the first filter assembly. The second filter assembly can be disassembled and installed through the disassembly port on the casing, which is easy to replace and clean, and the operation is simple without disassembling the casing. Improved user experience.

In addition, the air conditioner according to the above-mentioned embodiments of the present application may also have the following additional technical features:

According to some embodiments of the present application, the inner wall of the gas flow channel is provided with a guide chute, the insertion opening of the guide chute is opposite to the disassembly opening, and the second filter assembly is inserted into the guide chute Slide and disassemble along the guide chute.

According to some embodiments of the present application, the casing includes: a volute, the wind wheel is arranged in the volute; an air inlet bracket is arranged in the volute close to the second On one side of the air inlet, at least one of the volute and the air inlet bracket defines the guide chute.

According to some embodiments of the present application, at least one of the side wall of the volute and the side wall of the air inlet bracket is provided with a protrusion, and the protrusion is located on the side wall of the volute and the air inlet bracket. Between the side walls of the brackets, the side walls of the volute and the side walls of the air inlet bracket are spaced apart to define the guide chute.

According to some embodiments of the present application, the casing is provided with a receiving groove, and the receiving groove communicates with the disassembly opening, and the second filter assembly includes: a handle part, and the handle part is accommodated in the receiving groove and a filter part, the filter part is connected to the handle part and is located in the gas flow channel.

According to some embodiments of the present application, two guide parts are arranged opposite to each other in the accommodating groove, and the distance between the two guide parts decreases along the insertion direction of the second filter assembly.

According to some embodiments of the present application, the guide part includes at least one guide rib provided on the groove wall of the receiving groove, or the groove wall of the receiving groove extends obliquely to form the guide part.

According to some embodiments of the present application, the handle part is provided with a fastening part, and the receiving groove is provided with a fastening part, and when the second filter assembly is installed in place, the fastening part is suitable for The snap fit snaps together.

According to some embodiments of the present application, one of the fastening portion and the fastening fitting portion is a snap button, and the other is provided with a fastening groove.

According to some embodiments of the present application, the filter part is a filter screen, and the handle part includes: a base plate, the base plate is used to close the disassembly opening; One side of the gas flow channel is connected to one side edge of the filter screen, and there are two fastening parts. In the length direction of the side edge of the filter screen, two fastening parts It is arranged on both sides of the connection part.

According to some embodiments of the present application, the accommodating groove is provided with two positioning parts arranged at intervals to divide the accommodating groove into an installation area and a fastening area, and the fastening fitting part is provided in the fastening area , the connecting part is located in the installation area and is in clearance fit with the positioning part.

According to some embodiments of the present application, the first filter assembly includes a HEPA screen, and the second filter assembly includes a primary filter screen.

According to some embodiments of the present application, the second filter assembly is located on the wind inlet side of the wind rotor, and the first filter assembly is located on the wind outlet side or the wind inlet side of the wind rotor.

According to some embodiments of the present application, the second air inlet includes a fresh air inlet and an internal circulation air inlet, and the disassembly opening is disposed adjacent to the internal circulation air inlet.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic structural view of an air conditioner according to an embodiment of the present application;

Fig. 2 is a schematic structural diagram of an air conditioner according to an embodiment of the present application;

Fig. 3 is a schematic structural diagram of an air conditioner according to an embodiment of the present application;

Fig. 4 is an exploded view of an air conditioner according to an embodiment of the present application;

Fig. 5 is a partial structural schematic diagram of an air conditioner according to an embodiment of the present application;

Fig. 6 is a structural exploded view of an air handling assembly of an air conditioner according to an embodiment of the present application;

Fig. 7 is the sectional view of Fig. 5;

Fig. 8 is a partial structural sectional view of an air conditioner according to an embodiment of the present application;

Fig. 9 is a schematic diagram of an enlarged structure at block A in Fig. 8;

Fig. 10 is a partial structural schematic diagram of a casing of an air conditioner according to an embodiment of the present application;

Fig. 11 is a schematic diagram of an enlarged structure at a place B circled in Fig. 10;

Fig. 12 is a schematic diagram of an enlarged structure at a place C circled in Fig. 10;

Fig. 13 is a schematic structural view of an air intake bracket of an air conditioner according to an embodiment of the present application;

Fig. 14 is a partial structural schematic diagram of a volute of an air conditioner according to an embodiment of the present application;

Fig. 15 is a schematic structural view of the rear box of the casing of the air conditioner according to the embodiment of the present application;

Fig. 16 is a schematic diagram of an enlarged structure at box D in Fig. 15;

Fig. 17 is a schematic structural diagram of a second filter assembly of an air conditioner according to an embodiment of the present application;

Fig. 18 is a schematic structural view of the handle portion of the second filter assembly of the air conditioner according to an embodiment of the present application.

Reference signs:

air conditioner 100;

Cabinet 10; first air duct space 11; first air inlet 111; first air outlet 112; second air duct space 12; second air inlet 121; second air outlet 122; disassembly port 123; fresh air inlet 124; inner circulation air inlet 125; receiving groove 13; guide part 131; guide rib 132; snap fit part 133; positioning part 134; installation area 135; 16; rear box 17; heat exchanger 18; base 19;

Air duct assembly 20;

Air treatment assembly 30; housing 31; gas flow channel 311; guide chute 312; insertion port 313; volute 314; air inlet bracket 315; convex part 316; The second inlet 320 ; the wind wheel 32 ; the first filter assembly 33 ; the second filter assembly 34 ; the handle portion 341 ; the filter portion 342 ; the fastening portion 343 ; the base plate 344 ;

Detailed ways

Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and thus should not be construed as limiting the application.

In the description of this application, "the first feature" and "the second feature" may include one or more of these features, and the meaning of "multiple" is two or more, and the first feature is included in the second feature " "Above" or "under" may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but are in contact with another feature between them, and that the first feature is in contact with the second feature. "Above", "above" and "above" include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

With the gradual improvement of consumers' health awareness, air conditioners with fresh air function have become a development direction of high-end products. In the air conditioner with the fresh air function in the related art, the fresh air inlet side generally has no primary filter device. After long-term use, foreign matter such as hair is easy to accumulate in the air duct, which is difficult to clean. At the same time, these foreign objects adhere to the functional modules such as the HEPA net through the air duct, which reduces the service life of the functional modules.

Based on the above findings, the present application proposes an air conditioner 100 with a fresh air function (here the fresh air function can be to introduce fresh air from the outside, or to process the indoor air to obtain fresh air), and the side of the air inlet is provided with a preliminary filter. The second filter assembly 34 can filter out foreign matter such as hair, and the first filter assembly 33 performs functional treatment such as dust and sterilization, so that the inside of the air duct is kept clean, and the service life of the first filter assembly 33 is high.

The following describes an air conditioner 100 according to an embodiment of the present application with reference to the accompanying drawings.

Referring to FIGS. 1-5 , an air conditioner 100 according to an embodiment of the present application may include: a cabinet 10 , an air duct assembly 20 and an air treatment assembly 30 .

Specifically, as shown in FIGS. 1-4 , a first air duct space 11 and a second air duct space 12 may be defined inside the casing 10 . Wherein, the first air duct space 11 and the second air duct space 12 can communicate with each other, so that the gas can flow between the first air duct space 11 and the second air duct space 12, which is beneficial to increase the air intake or output. area; or, the first air duct space 11 and the second air duct space 12 may also be separated from each other.

As shown in FIGS. 1-4 , the casing 10 may also be provided with a first air inlet 111 , a first air outlet 112 , a second air inlet 121 and a second air outlet 122 . Wherein, the first air inlet 111 and the first air outlet 112 may correspond to the first air duct space 11, so that the gas flowing into the casing 10 from the first air inlet 111 is processed by the components in the first air duct space 11. It can flow out through the first air outlet 112 . The second air inlet 121 and the second air outlet 122 can correspond to the second air duct space 12, so that the gas flowing into the casing 10 from the second air inlet 121 can be processed by the components in the second air duct space 12. It flows out from the second air outlet 122.

In the specific embodiment shown in Figure 4, the casing 10 includes a rear box body 17, a top cover 14, a base 19 and a front shell, the rear box body 17 can be composed of one or more pieces, and the front shell can be made of one or more pieces. Block composition, the following front shell includes an upper panel 15 and a lower panel 16 as an example. The lower end of rear box body 17 links to each other with the rear portion of base 19, and the lower end of lower panel 16 links to each other with the front portion of base 19, and upper panel 15 is positioned at the top of lower panel 16, and upper panel 15 and lower panel 16 are all connected with rear box body. The two side edges of 17 are connected, and the top cover 14 is connected with the top panel 15 and the upper end of the rear box body 17, thereby constituting the outer casing 10 of the air conditioner 100.

Wherein, the space between the upper part of the rear box body 17 and the upper panel 15 is formed as the first air duct space 11, the upper part of the rear box body 17 is provided with the first air inlet 111, and the left and right sides of the upper panel 15 are respectively provided with the first air duct space 11. One air outlet 112. The first air outlet 112 may be provided with an air outlet switch door for opening or closing the first air outlet 112 . The space between the lower part of the rear box 17 and the lower panel 16 is formed as the second air duct space 12 . The second air outlet 122 can be disposed on the rear box body 17 or the lower panel 16 . In the example shown in Figure 4, the bottom of the rear box 17 is provided with a second air inlet 121 and a second air outlet 122, and the second air outlet 122 is located above the second air inlet 121, and the second air outlet 122 There are two and are respectively arranged on the left side and the right side of the bottom of the rear box body 17 .

In some embodiments of the present application, as shown in FIG. 7 and FIG. 8 , the second air inlet 121 may include a fresh air inlet 124, and the fresh air inlet 124 may introduce external fresh air into the second air duct space 12 to pass through the second air duct space. The components in the second air duct space 12 are discharged to the room through the second air outlet 122 after being processed, so as to realize the fresh air function of providing fresh air to the room.

In some embodiments of the present application, as shown in FIG. 7 and FIG. 8 , the second air inlet 121 may include an internal circulation air inlet 125, and indoor air may enter the second air duct space 12 through the internal circulation air inlet 125 to pass through After the components in the second air duct space 12 are processed, they are returned to the room through the second air outlet 122, so that the indoor air can be purified.

In some embodiments that include the fresh air inlet 124 and the internal circulation air inlet 125 at the same time, the fresh air inlet 124 and the internal circulation air inlet 125 can be provided with switch valves respectively, and the fresh air inlet 124 and the internal circulation can be controlled respectively by the switch valves. The on-off of the air inlet 125 realizes the separate or simultaneous execution of the fresh air function and the indoor air purification function.

In the specific embodiment shown in FIGS. 3-8 , the second air inlet 121 includes two inner circulation air inlets 125 and one fresh air inlet 124, and the two inner circulation air inlets 125 are respectively arranged at the rear box body 17. The left side and the right side of the lower part are to facilitate indoor air circulation, and the fresh air inlet 124 is located between the two internal circulation air inlets 125, so as to communicate with the outside and the air conditioner 100 has a beautiful appearance.

According to some embodiments of the present application, as shown in FIG. 4 , the air duct assembly 20 may be arranged in the first air duct space 11 , and the air duct assembly 20 may work to drive gas to flow from the first air inlet 111 to the first air outlet 112 , To improve cooling or heating efficiency. In some embodiments of the present application, the air conditioner 100 further includes a heat exchanger 18, the heat exchanger 18 is arranged in the first air duct space 11, driven by the air duct assembly 20, the gas flows through the heat exchanger 18 to Exchanging heat with the heat exchanger 18 to realize the cooling function or the heating function.

Referring to FIGS. 4-8 , the air treatment assembly 30 can be arranged in the second air duct space 12 , and the air treatment assembly 30 includes a housing 31 , a wind wheel 32 , a first filter assembly 33 and a second filter assembly 34 . Wherein, the casing 31 defines a gas flow channel 311 , and the gas flow channel 311 communicates with the second air inlet 121 and the second air outlet 122 . The wind wheel 32 is disposed in the gas flow channel 311 to drive the gas to flow from the second air inlet 121 to the second air outlet 122 . The first filter assembly 33 and the second filter assembly 34 are installed in the gas flow channel 311, and in the gas flow direction, the second filter assembly 34 is located on the air inlet side of the first filter assembly 33, in other words, the gas flows through the first filter assembly 311. The second filter assembly 34 then flows through the first filter assembly 33 .

Thus, the double treatment of the gas by the first filter assembly 33 and the second filter assembly 34 can achieve a better purification effect.

In some embodiments of the present application, as shown in FIG. 6 and FIG. 7 , in the gas flow direction, the second filter assembly 34 may be located on the wind inlet side of the wind wheel 32 , so that the gas is filtered by the second filter assembly 34 Then flow through the wind wheel 32 to prevent foreign matter such as hair and dust in the gas from adhering or entanglement on the wind wheel 32 to affect the normal rotation of the wind wheel 32, and also keep the inside of the gas flow channel 311 clean.

In some embodiments of the present application, as shown in FIG. 6 and FIG. 7 , in the gas flow direction, the first filter assembly 33 can be located on the wind outlet side of the wind wheel 32 or on the wind inlet side of the wind wheel 32 , That is, it is located between the wind wheel 32 and the second filter assembly 34 , all of which are within the protection scope of the present application. In the example shown in Figure 6, the first filter assembly 33 is located on the wind outlet side of the wind wheel 32, that is, the wind wheel 32 is located between the first filter assembly 33 and the second filter assembly 34, so that the wind wheel 32 can Both the first filter assembly 33 and the second filter assembly 34 can provide high-efficiency gas driving force, so as to improve the high-efficiency filtration efficiency at both locations.

In some embodiments of the present application, as shown in FIGS. 3-8 , the casing 10 may also be provided with a disassembly port 123, which corresponds to the second air duct space 12, so that the second filter assembly 34 can be disassembled through the disassembly port 123. During the working process of the air treatment assembly 30, the second filter assembly 34 pre-treats the gas, filters out most of the foreign matter such as hair, avoids foreign matter from adhering to the first filter assembly 33, and improves the use of the first filter assembly 33. life. Moreover, the second filter assembly 34 can be disassembled and installed through the disassembly port 123, so that the user can disassemble the second filter assembly 34 for cleaning and replacement, and the casing 10 of the air conditioner 100 does not need to be removed during the disassembly process. Disassembly can be performed directly through the disassembly port 123 , and the user can disassemble and clean the second filter assembly 34 by himself without the need for professionals, which greatly improves the convenience and user experience of the user.

In some specific embodiments, the second filter assembly 34 may include a primary filter, and the first filter assembly 33 may include a HEPA screen. The primary effect filter is mainly used to filter dust particles above 5 μm, such as foreign matter such as hair, to avoid foreign matter from adhering to the HEPA net and reducing the service life of the HEPA net, and the primary effect filter can be cleaned for reuse, reducing the use of cost. The HEPA net can perform dust, sterilization and other functional treatments on the primary filtered gas, and the removal efficiency of particles above 0.3 μm can reach more than 99.97%, which can effectively remove pollutants such as smoke, dust and bacteria. The combination of the primary filter and the HEPA net can achieve excellent air purification treatment effect. Of course, the filter structures of the first filter assembly 33 and the second filter assembly 34 include but are not limited to the primary filter and the HEPA screen.

In some embodiments where the second air inlet 121 includes an internal circulation air inlet 125 and a fresh air inlet 124, as shown in Figure 5 and Figure 7, the disassembly port 123 can be arranged adjacent to the internal circulation air inlet 125, for example, it can be arranged at the rear The left side or the right side of the lower part of the box body 17 is convenient for the user to disassemble the second filter assembly 34 and to better shield the connecting pipes and other structures at the fresh air inlet 124 .

According to the air conditioner 100 of the embodiment of the present application, by installing the air duct assembly 20 and the air treatment assembly 30 in the casing 10, the air conditioner 100 has cooling and heating functions and air treatment functions, and the air conditioner 100 is preliminarily filtered by the second filter assembly 34 After being filtered by the first filter assembly 33, the air treatment effect and the service life of the first filter assembly 33 are improved. The second filter assembly 34 can be disassembled and installed through the disassembly port 123 on the casing 10, which is convenient for replacement and cleaning. Moreover, the operation is simple, and the casing 10 does not need to be disassembled, which improves user experience.

According to some embodiments of the present application, as shown in Fig. 7-Fig. The second filter assembly 34 can be inserted into the guide chute 312 through the dismounting port 123 and the insertion port 313, and slide along the guide chute 312 under the guidance of the guide chute 312 to realize disassembly and installation. The disassembly is simple and convenient, and the installation It can ensure that the second filter assembly 34 is installed in place to fully purify the gas in the gas flow channel 311 .

In some embodiments of the present application, as shown in FIG. 7 , the gas flows from the rear to the front in the area where the guide chute 312 is located, and the guide chute 312 generally extends along the left-right direction so that the second filter assembly 34 can move along the left-right direction. Sliding and disassembling, and after being installed in place, the second filter assembly 34 generally extends along the left and right directions and up and down directions to form a larger filtering area and improve gas flow and filtering efficiency.

In some embodiments of the present application, as shown in FIG. 10 , there may be two guide chute 312, and the two guide chute 312 are respectively guided with the two side edges of the second filter assembly 34 to improve the quality of the second filter assembly. The overall movement consistency of 34 prevents the second filter assembly 34 from being deformed and affecting disassembly.

In the embodiment of the present application, the location and specific structure of the guide chute 312 can be flexibly set according to actual conditions.

In some embodiments of the present application, as shown in FIGS. 8-12 , the housing 31 may include a volute 314 and an air inlet bracket 315 , and the volute 314 and the air inlet bracket 315 may define at least a part of the gas flow channel 311 . The wind wheel 32 can be disposed in the volute 314 to drive the gas flow in the volute 314 so as to drive the gas flow in the entire gas flow channel 311 . The air inlet bracket 315 can be arranged on the side of the volute 314 close to the second air inlet 121 (in the gas flow direction), and the air inlet bracket 315 is connected with the volute 314 to communicate with the inner space of the two. Wherein, at least one of the volute 314 and the air inlet bracket 315 can define a guide chute 312, so that the second filter assembly 34 is limited on the air inlet side of the wind wheel 32, so that the gas is filtered by the second filter assembly 34 Then flow through the wind wheel 32 to prevent the wind wheel 32 from being entangled.

In some embodiments of the present application, the volute 314 cooperates with the air inlet bracket 315 to define a guide chute 312 . Specifically, as shown in FIGS. 10-14 , the side wall of the volute 314 and the side wall of the air intake bracket 315 are respectively provided with a convex portion 316 , and the convex portion 316 is located between the side wall of the volute 314 and the side wall of the air intake bracket 315 . Between the side walls, so that the side wall of the volute 314 and the side wall of the air intake bracket 315 can be spaced apart by a predetermined gap, thereby defining the guide chute 312, wherein the protrusion 316 can be formed as the groove bottom wall of the guide chute 312 , the sidewall of the volute 314 and the sidewall of the air intake bracket 315 can be formed as the groove sidewall of the guide chute 312 . Compared with the grooves provided on the volute 314 or the air inlet bracket 315 to form the guide chute 312, the guide chute 312 is defined by the cooperation of the volute 314 and the air inlet bracket 315, so that the structure of the volute 314 and the air inlet bracket 315 is simple , easy to form, the groove wall of the guide chute 312 has high structural strength, and the convex portion 316 can further improve the structural strength of the volute 314 and the air intake bracket 315 .

In the specific embodiment shown in Figures 10-14, the side wall of the volute 314 can be provided with two protrusions 316, denoted as the first protrusions 316, and the two first protrusions 316 are respectively located in the gas flow passage On both sides of 311, the side wall of the air intake bracket 315 is also provided with two protrusions 316, denoted as second protrusions 316, and the two second protrusions 316 are arranged in one-to-one correspondence with the two first protrusions 316, and The two first protrusions 316 are respectively located on the sides close to or away from each other of the two second protrusions 316, so that the adjacent first protrusions 316 and second protrusions 316 can support and cooperate with each other, not only defining the guide The chute 312 improves the strength of the volute 314 and the air intake bracket 315, and can limit the position of the volute 314 and the air intake bracket 315, and is also conducive to reducing or avoiding gas leakage from the matching gap between the volute 314 and the air intake bracket 315 .

Of course, the convex portion 316 can also be provided only on the side wall of the volute 314, or only on the side wall of the air intake bracket 315, as long as the convex portion 316 is located on the side wall of the volute 314 and the side wall of the air intake bracket 315. In between, it is sufficient to define the guide chute 312 by cooperating with the side wall of the volute 314 and the side wall of the air intake bracket 315 . In some embodiments of the present application, the protrusion 316 may be a rib extending perpendicular to the gas flow direction.

According to some specific embodiments of the present application, as shown in FIG. 5 and FIG. 6 , the housing 31 may further include a fresh air component 318 and an air outlet component 317 . The wind wheel 32 is a single cross-flow wind wheel 32 or a double cross-flow wind wheel 32 . The fresh air component 318 has a first inlet 319 , and the fresh air component 318 is connected to the air intake bracket 315 and the casing 10 so that the first inlet 319 communicates with the fresh air inlet 124 on the casing 10 . The side of the air inlet bracket 315 has a second inlet 320 , and the air inlet bracket 315 is connected to the casing 10 so that the second inlet 320 communicates with the internal circulation air inlet 125 on the casing 10 . The air outlet part 317 is provided with the upper side of the volute 314 and communicates with the top opening of the volute 314. The first filter assembly 33 can be installed on the air outlet part 317, and the air outlet part 317 is connected with the casing 10 to make the air outlet The outlet of the component 317 communicates with the second air outlet 122 .

According to some embodiments of the present application, as shown in FIG. 5 , FIG. 9 and FIG. 17 , the second filter assembly 34 may include a handle part 341 and a filter part 342 . The filter part 342 can be located in the gas flow channel 311 to filter the gas, and the filter part 342 can cooperate with the guide chute 312 to guide the disassembly and assembly of the second filter assembly 34 . The handle part 341 is connected with the filter part 342 so as to be convenient for users to disassemble.

In addition, as shown in FIG. 9 and FIGS. 15-16 , the casing 10 may be provided with a receiving groove 13 , and the receiving groove 13 communicates with the dismounting opening 123 . When the second filter assembly 34 is installed, the handle portion 341 can be accommodated in the receiving groove 13, so as to reduce or prevent the handle portion 341 protruding from the outer surface of the casing 10, thereby preventing the second filter assembly 34 from being knocked out by mistake. It also makes the appearance of the air conditioner 100 neater and more beautiful.

In some embodiments of the present application, as shown in FIG. 15 and FIG. 16 , two guide portions 131 may be provided in the receiving groove 13, and the two guide portions 131 are arranged opposite to each other, and the distance between the two guide portions 131 is along the The insertion direction of the two filter assemblies 34 is decreasing. Thus, the opening size of the end of the receiving groove 13 near the dismounting port 123 is relatively large, and the opening size of the end of the receiving groove 13 near the guide chute 312 is relatively small. It is easy, and can be moved into the guide chute 312 under the guidance of the two guide parts 131, and it is easier to align with the guide chute 312. There is also enough space in the accommodation groove 13 to accommodate the handle part 341, and the user pulls the handle part 341 Also easier.

The present application does not impose special limitations on the specific structure of the guide portion 131 . In some embodiments of the present application, as shown in FIG. 16 , the guide portion 131 may include at least one guiding rib 132, the guiding rib 132 is arranged on the groove wall of the receiving groove 13, and the guiding rib 132 protrudes from the receiving groove 13. The height of the groove wall increases gradually along the insertion direction of the second filter assembly 34, so that the distance between the opposite guiding ribs 132 decreases gradually. The guiding rib 132 has a simple structure and can improve the structural strength of the casing 10 .

In some other embodiments, the groove wall of the receiving groove 13 may extend obliquely to form the guide portion 131 . For example, two opposite walls of the receiving groove 13 may extend close to each other along the insertion direction of the second filter assembly 34 , the structure of the casing 10 is simpler, and the second filter assembly 34 moves more smoothly along the inclined groove walls.

According to some embodiments of the present application, the handle portion 341 and the casing 10 can be detachably fastened, so that when the second filter assembly 34 is installed in place, the second filter assembly 34 can be stabilized through the fastening of the handle portion 341 with the casing 10 Fixed in the casing 10, it is not easy to be misplaced, deformed or fall off, and it is easy to disassemble.

Specifically, as shown in FIGS. 15-18 , the handle portion 341 may be provided with a fastening portion 343 , and the receiving groove 13 may be provided with a fastening fitting portion 133 . When the second filter assembly 34 is installed in place, the engaging portion 343 is located in the receiving groove 13 to engage with the engaging portion 133 , so as to realize the detachable connection between the second filter assembly 34 and the casing 10 .

The specific structure of the fastening part 343 and the fastening fitting part 133 can be flexibly set according to the actual situation. In some embodiments of the present application, one of the fastening portion 343 and the fastening fitting portion 133 may be a snap button, and the other of the fastening portion 343 and the fastening fitting portion 133 may be provided with a fastening groove. The elastic buckle can be elastically deformed to move into the buckle friction when it is subjected to a force (such as an anti-resistance force), and can recover the deformation after the force is removed to buckle with the edge of the buckle groove to prevent the buckle from being released The snap slot comes out. The buckle structure is conducive to realizing frequent and multiple disassembly and assembly of the fastening part 343 and the fastening fitting part 133 , has a long service life and is not prone to fatigue, and the fastening is reliable. In some specific embodiments, the other one of the fastening portion 343 and the fastening fitting portion 133 may be a pin, and the pin defines a fastening groove for fastening with the spring buckle.

According to some embodiments of the present application, as shown in FIG. 18 , the handle portion 341 may include a base plate 344 and a connecting portion 345, and the connecting portion 345 is provided on the side of the base plate 344 facing the gas flow channel 311 to connect with the filter portion 342, The filter part 342 can extend into the gas flow channel 311 , and the base plate 344 can be located at the disassembly opening 123 and close the disassembly opening 123 , so that the appearance of the casing 10 of the air conditioner 100 is more neat and beautiful. The fastening portion 343 can also be provided on the side of the substrate 344 facing the gas flow channel 311 , so that the fastening structure can be covered by the substrate 344 to avoid being damaged by touching and to make the appearance beautiful.

In some embodiments of the present application, the side of the base plate 344 facing away from the gas flow channel 311 can be provided with a handle groove, so that the handle groove can be exposed when the disassembly port 123 is closed, so as to facilitate the disassembly of the second filter assembly 34.

In some embodiments of the present application, as shown in Figure 17 and Figure 18, the filter part 342 can be a filter screen, and the connection part 345 can be connected to one side edge of the filter screen, which not only realizes the connection, but also helps to reduce the strain rate of the filter screen. out of shape. There are two buckling parts 343, and in the length direction of the side edge connected to the connecting part 345 of the filter net, the two buckling parts 343 can be respectively arranged on both sides of the connecting part 345, in other words two buckling parts 343 They are respectively arranged at the two ends of the length direction of the base plate 344, which not only further improves the anti-deformation effect of the filter screen, but also makes the connection between the clasp and the casing 10 more reliable, and the edge of the base plate 344 is not easy to warp, and is compatible with the dismounting port 123. The edge fits the gap more uniformly, preventing dust and hair from entering the gas flow channel 311 through the gap.

According to some embodiments of the present application, as shown in FIG. 15 and FIG. 16 , two positioning portions 134 may be provided in the receiving groove 13, and the two positioning portions 134 are arranged at intervals to separate the receiving groove 13 into an installation area 135 and a buckle. combined area 136 . Wherein, the fastening fitting portion 133 can be disposed in the fastening region 136 , and the fastening portion 343 can extend into the fastening region 136 to fasten with the fastening fitting portion 133 . The connecting portion 345 can extend into the installation area 135 , so that the filter portion 342 can pass through the installation area 135 and extend into the gas flow channel 311 . In addition, the connection part 345 can be clearance fit with the positioning part 134, such as a contact fit or a small distance apart, so that the two positioning parts 134 can position the connection part 345, so that the filter part 342 connected to the connection part 345 can Aligning with the guide chute 312 in the gas flow channel 311 , the installation is easier, and it is not easy to shake or deform.

The air conditioner 100 according to a specific embodiment of the present application will be described below in conjunction with the accompanying drawings. It should be understood that the following description is only an illustration, and should not be construed as a limitation to the application.

According to some embodiments of the present application, as shown in FIGS. 1-8 , an air conditioner 100 may include a casing 10 , a heat exchanger 18 , an air duct assembly 20 , a control assembly, and an air treatment assembly 30 . Wherein, as shown in Fig. 4, casing 10 can be made up of front shell, rear box body 17, base 19 and top cover 14, and front shell can be made up of upper panel 15 and lower panel 16, and is provided with first Air outlet 112, corresponding to the first air outlet 112 place can be provided with air outlet opening and closing door, and air outlet opening and closing door is used for opening and closing first air outlet 112; A first air inlet 111 may be provided on the top, and an air conditioner return air grill filter may be provided at the first air inlet 111 . Both sides of the rear box body 17 are provided with columns, which are used to install and fix the evaporator, the air treatment assembly 30 and the control assembly. The rear box body 17 may be provided with a second air outlet 122 , a disassembly opening 123 and a receiving groove 13 .

As shown in FIGS. 4-8 , the air treatment assembly 30 may include a housing 31 , a first filter assembly 33 , a second filter assembly 34 and a wind wheel 32 . Wherein, the housing 31 may include a fresh air component 318, an air inlet bracket 315, a volute 314 and an air outlet component 317, the rear end of the fresh air component 318 is provided with a first inlet 319, and the front end is connected to the rear end of the air inlet bracket 315, The side of the air inlet bracket 315 is provided with a second inlet 320, the rear end of the volute 314 is connected with the front end of the air inlet bracket 315, the lower end of the air outlet part 317 is connected with the upper end of the volute 314, and the outlet part 317 Outlets are respectively provided on the left side and the right side to respectively communicate with the two second air outlets 122 on the casing 10 . Thus, the fresh air component 318 , the air inlet bracket 315 , the volute 314 and the air outlet component 317 cooperate to define the gas flow channel 311 . The wind wheel 32 is a cross-flow wind wheel or a double cross-flow wind wheel. The wind wheel 32 is arranged in the volute 314, and the rotation circumference of the wind wheel 32 extends along the front and rear directions, so as to drive the gas in the volute 314 to advance along the circumferential direction of the wind wheel 32. The wind is blown out radially, so that the outdoor air is driven to flow through the air intake bracket 315 from the fresh air component 318 and enter the volute 314, and the indoor air is driven to enter the volute 314 directly from the air intake bracket 315, and the air in the volute 314 The gas flows upwards to the air outlet component 317 , and finally flows out into the room through the second air outlet 122 .

In addition, the first filter assembly 33 is installed on the air outlet component 317 and opposite to the upper outlet of the volute 314 to filter the gas flowing out of the volute 314 . The second filter assembly 34 is installed between the volute 314 and the air intake bracket 315 , so that the indoor air or outdoor air flowing in from the second air inlet 121 is filtered by the second filter assembly 34 before flowing into the volute 314 . In the gas flow direction, the second filter assembly 34 is arranged on the wind inlet side of the wind wheel 32, the first filter assembly 33 is arranged on the wind outlet side of the wind wheel 32, and the first inlet 319 on the fresh air component 318 is connected to the casing 10. The fresh air inlet 124 of the fresh air inlet 124 is opposite and communicated, and the second inlet 320 on the air inlet bracket 315 is opposite to and communicated with the inner circulation air inlet 125 on the casing 10, so that the fresh air inlet 124 and the inner circulation air inlet 125 are respectively connected to the gas flow. Channel 311 communicates. The gas flowing in from the fresh air inlet 124 and the internal circulation air inlet 125 first passes through the second filter assembly 34 , then passes through components such as the wind wheel 32 , flows to the first filter assembly 33 , and then flows into the room from the second air outlet 122 . The hair and other foreign matters contained in the indoor/outdoor air are filtered by the second filter assembly 34 and then flow to the first filter assembly 33, which can improve the service life of the first filter assembly 33 and make the inside of the gas flow channel 311 cleaner.

As shown in FIGS. 9-18 , the second filter assembly 34 may include a handle portion 341 and a filter portion 342 . Wherein, the filter part 342 may be a primary filter. The handle portion 341 may include a base plate 344 , pins (ie snap-fitting portions 343 ) disposed at both ends of the base plate 344 , and a connecting portion 345 for installing the filter portion 342 . The second filter assembly 34 is removable and washable. A protruding portion 316 is provided at the joint between the volute 314 and the air intake bracket 315 , and the guiding chute 312 of the second filter assembly 34 is formed by mutual cooperation between the protruding portions 316 . Inside the receiving groove 13 of the casing 10, snap buttons (i.e. snap-fitting portion 133), guide ribs 132 (i.e. guiding portion 131) and positioning ribs (i.e. positioning portion 134) are provided, and the bottom wall of the receiving groove 13 is provided with a For the through hole through which the second filter assembly 34 passes, the notch of the receiving groove 13 is formed as a dismounting opening 123 . The positioning rib divides the receiving groove 13 into three parts: two fastening areas 136 and an installation area 135 located in the middle of the two fastening areas 136, the fastening area 136 is provided with snap buttons, and the snap snaps can be connected with the second filter assembly 34 The latch on the handle part 341 is detachably matched and connected, and the installation area 135 is provided with guiding ribs 132, which can smoothly guide the through hole when installing the second filter assembly 34, and then be installed between the volute 314 and the air intake bracket 315. in the guide chute 312 between them.

Other configurations and operations of the air conditioner 100 according to the embodiment of the present application are known to those skilled in the art and will not be described in detail here.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

In the description of this specification, descriptions referring to the terms "embodiment", "specific embodiment", "example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one aspect of the present application. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims

An air conditioner, including:

A casing, the casing defines a first air duct space and a second air duct space, and the casing is also provided with a first air inlet and a first air outlet corresponding to the first air duct space, and The second air inlet, the second air outlet and the disassembly port corresponding to the second air duct space;

an air channel assembly, the air channel assembly is arranged in the first air channel space to drive gas to flow from the first air inlet to the first air outlet;

An air treatment component, the air treatment component is arranged in the second air duct space and includes:

a housing, the housing defines a gas flow channel communicating with the second air inlet and the second air outlet;

a wind wheel, the wind wheel is arranged in the gas flow channel;

a first filter assembly installed in the gas flow channel;

A second filter assembly, the second filter assembly is detachably installed in the gas flow channel through the disassembly port, and the second filter assembly is located at the entrance of the first filter assembly in the direction of gas flow. windy side.
The air conditioner according to claim 1, wherein the inner side wall of the gas flow channel is provided with a guide chute, the insertion port of the guide chute is opposite to the disassembly port, and the second filter assembly is inserted into the The guide chute can be slid and disassembled along the guide chute.
The air conditioner according to claim 2, wherein the casing comprises:

A volute, the wind wheel is arranged in the volute;

An air inlet bracket, the air inlet bracket is arranged on a side of the volute close to the second air inlet, at least one of the volute and the air inlet bracket defines the guide chute.
The air conditioner according to claim 3, wherein at least one of the side wall of the volute and the side wall of the air intake bracket is provided with a convex portion, and the convex portion is located on the side wall of the volute and the side wall of the air intake bracket. Between the side walls of the air inlet bracket, the side walls of the volute and the side walls of the air inlet bracket are spaced apart to define the guide chute.
The air conditioner according to any one of claims 1-4, wherein, the casing is provided with a receiving groove, and the receiving groove communicates with the disassembly port, and the second filter assembly includes:

a handle part, the handle part is accommodated in the accommodating groove;

A filter part, the filter part is connected to the handle part and is located in the gas flow channel.
The air conditioner according to claim 5, wherein two guide parts are arranged opposite to each other in the receiving groove, and the distance between the two guide parts decreases gradually along the insertion direction of the second filter assembly.
The air conditioner according to claim 6, wherein,

The guide part includes at least one guide rib provided on the groove wall of the receiving groove, or,

A groove wall of the receiving groove extends obliquely to form the guide portion.
The air conditioner according to any one of claims 5-7, wherein the handle portion is provided with a snap-fit portion, and the receiving groove is provided with a snap-fit portion, and the second filter assembly is installed in place Next, the fastening part is suitable for fastening with the fastening fitting part.
The air conditioner according to claim 8, wherein one of the snap-fitting portion and the snap-fit fitting portion is a snap button, and the other is provided with a snap-fit groove.
The air conditioner according to claim 8 or 9, wherein the filter part is a filter screen, and the handle part comprises:

a base plate, the base plate is used to close the disassembly port;

A connecting part, the connecting part is provided on the side of the substrate facing the gas flow channel and is connected to one edge of the filter screen, there are two fastening parts, and one side of the filter screen In the length direction of the side edge, two fastening parts are provided on both sides of the connecting part.
The air conditioner according to claim 10, wherein the receiving groove is provided with two positioning parts arranged at intervals to divide the receiving groove into an installation area and a fastening area, and the fastening fitting part is provided on the The fastening area, the connection part is located in the installation area and is in clearance fit with the positioning part.
The air conditioner according to any one of claims 1-11, wherein the first filter assembly includes a HEPA screen, and the second filter assembly includes a primary filter screen.
The air conditioner according to any one of claims 1-12, wherein the second filter assembly is located on the wind inlet side of the wind wheel, and the first filter assembly is located on the wind outlet side of the wind wheel or Intake side.
The air conditioner according to any one of claims 1-13, wherein the second air inlet includes a fresh air inlet and an internal circulation air inlet, and the disassembly opening is arranged adjacent to the internal circulation air inlet.