CN115234980B

CN115234980B - Fresh air component and fresh air conditioner

Info

Publication number: CN115234980B
Application number: CN202210815724.6A
Authority: CN
Inventors: 曾新成; 杜玉凤; 迟莽; 张勇; 杨林; 郑和清; 熊军; 孟智
Original assignee: TCL Air Conditioner Zhongshan Co Ltd
Current assignee: TCL Air Conditioner Zhongshan Co Ltd
Priority date: 2022-05-01
Filing date: 2022-07-11
Publication date: 2024-03-12
Anticipated expiration: 2042-07-11
Also published as: CN218033386U; CN115234980A

Abstract

The application provides a new trend subassembly and new trend air conditioner, wherein new trend subassembly includes: the fan module is provided with an air inlet and an air outlet; the air duct shell is covered on the fan module and is communicated with the air inlet and the air outlet; the air duct shell is also provided with a fresh air port communicated with the outdoor space and an indoor air port communicated with the indoor space; a movable switching air valve is also arranged in the air duct shell; the air inlet and the air outlet are communicated through the movable switching air valve; the air inlet and the air outlet can be communicated through the movable switching air valve, and the indoor air inlet is communicated with the air inlet. The new trend subassembly of this application can be through the intercommunication or separate between a plurality of wind gap of a switching blast gate control to this changes the air flow path, with simple structure realization new trend and blowdown wind function, is favorable to reduce cost.

Description

Fresh air component and fresh air conditioner

The present application claims priority from the chinese patent application filed on day 1, 5, 2022, filed on the national intellectual property agency, application number 202210476978.X, entitled "air treatment device and air conditioner", the entire contents of which are incorporated herein by reference.

Technical Field

The application relates to the technical field of household appliances, in particular to a fresh air component and a fresh air conditioner.

Background

At present, with the improvement of national life quality, the functional requirements of users on air conditioners are not only limited to refrigeration and heating, but also the freshness of indoor air. Therefore, the air conditioner of the prior art generally introduces a fresh air function to improve user comfort and indoor environment of the user.

However, because the ordinary fresh air conditioner can only exchange heat and circulate indoor air, when a user closes a door or window, the fresh air conditioner can become dirty aiming at air caused by indoor circulation along with the time, the air quality is poorer and worse, the user experience is reduced, and the existing fresh air device cannot realize an exhaust function.

However, if the indoor polluted air is required to be exhausted, an exhaust device is often required to be additionally arranged, and the structure is complex.

Disclosure of Invention

The application provides a new trend subassembly and new trend air conditioner to solve the complicated problem of new trend device exhaust structure.

In one aspect, the present application provides a fresh air component, comprising:

the fan module is provided with an air inlet and an air outlet;

the air duct comprises an air duct shell, wherein the air duct shell comprises a first shell and a second shell;

The first shell is provided with an end opening and a side opening which are communicated with the inner cavity of the first shell, the end opening is opposite to the air inlet, and the side opening and the air outlet are arranged in the same direction;

one end of the second shell is communicated with the indoor space to form an indoor air port, and the other end of the second shell is simultaneously communicated with the side opening and the air outlet;

the fresh air assembly is also provided with a fresh air port, and the fresh air port is arranged on the first shell or the second shell;

the second shell is internally provided with a movable switching air valve, the interior of the second shell is divided into at least two ventilation cavities by the switching air valve, and the connection relation between the two ventilation cavities and the fresh air port, the side opening, the indoor air port and the air outlet is changed through movement.

In one possible implementation of the present application, the switching damper divides the ventilation cavity into a first ventilation cavity and a second ventilation cavity;

when the switching air valve is in a fresh air state, the first air exchanging cavity is communicated with the fresh air port and the side opening, and the second air exchanging cavity is communicated with the air outlet and the indoor air port;

when the switching air valve is in an air exhaust state, the first air exchanging cavity is communicated with the fresh air port and the air outlet, and the second air exchanging cavity is communicated with the side opening and the indoor air port.

In one possible implementation manner of the present application, the fresh air port is opened on the first housing;

a splitter plate is further arranged in the first shell, and divides the interior of the first shell into a fan inlet cavity and a connecting air cavity;

the fresh air port is communicated with the inner cavity of the second shell through the fan air inlet cavity, and the side opening is communicated with the end opening through the connecting air cavity.

In one possible implementation manner of the present application, the second housing is in an L shape, and the interior of the second housing may be sequentially divided into an air outlet portion, a connection portion and an air return portion;

the air outlet part is covered at the air outlet, the connecting part is covered at the opening of the connecting air cavity, and the air return part is covered at the side opening.

In one possible implementation manner of the present application, the indoor air port is provided on a side wall of the air return portion, and is on the same plane with a connection surface between the connection portion and the air outlet portion.

In one possible implementation manner of the present application, the air conditioner further includes a lifting damper for opening or closing the air outlet;

and when the lifting air door closes the air outlet, the inner wall of the lifting air door, the inner wall of the air outlet part and the inner wall of the connecting part form a closed air duct.

In one possible implementation manner of the present application, the switching air valve is in a strip-shaped plate structure, and a first stop part and/or a second stop part are arranged inside the second shell;

the first stop part extends along a first direction, and when the switching air valve is in an air exhaust state, the first stop part is abutted with the end part of the switching air valve;

the second stop part extends along a second direction, when the switching air valve is in a fresh air state, the second stop part is abutted to the end part of the switching air valve, and an included angle exists between the first direction and the second direction.

In one possible implementation manner of the present application, the switching air valve is a sheet-shaped plate body, a portion of the sheet-shaped plate body located in the air outlet portion and the connecting portion is a first air blocking portion, and a cross-sectional shape of the first air blocking portion along an air outlet direction of the fan module is an airfoil.

In one possible implementation of the present application, the second housing is a rectangular housing, a flat cylindrical housing or a hemispherical housing.

In one possible implementation of the present application, the second housing is integrally formed with the first housing.

In one possible implementation manner of the present application, the indoor air port includes a first indoor air port and a second indoor air port, and the switching air valve separates the ventilation cavity into a first ventilation cavity, a second ventilation cavity and a third ventilation cavity;

When the switching air valve is in a fresh air state, the first air exchanging cavity is communicated with the fresh air port and the side opening, the second air exchanging cavity is communicated with the air outlet and the first indoor air outlet, and the third air exchanging cavity is a closed cavity;

when the switching air valve is in an air exhaust state, the first air exchanging cavity is communicated with the fresh air port and the air outlet, the second air exchanging cavity is a closed cavity, and the third air exchanging cavity is communicated with the second indoor air port and the side opening;

when the switching air valve is in an internal circulation state, the first air exchanging cavity is a closed cavity, the second air exchanging cavity is communicated with the second indoor air opening and the side opening, and the third air exchanging cavity is communicated with the air outlet and the first indoor air opening.

In one possible implementation manner of the present application, the fresh air port is opened on the second housing.

In one possible implementation manner of the present application, the opening direction of the fresh air port is perpendicular to the opening direction of the indoor air port.

In one possible implementation manner of the present application, the second housing is a flat cylindrical housing or a hemispherical housing, the second housing is sleeved on an outer side wall of the switching air valve, and the switching air valve is adapted to the second housing.

On the other hand, the application still provides a new trend air conditioner, new trend air conditioner includes the air conditioner and above any one of the new trend subassembly, new trend subassembly installs one side of air conditioner.

According to the fresh air component and the fresh air conditioner, the air channel shell is covered on the fan module provided with the air inlet and the air outlet, and the air channel shell is communicated with the air inlet and the air outlet; an indoor air port and a fresh air port are arranged on the air duct shell, the fresh air port is communicated with the outdoor space, and the indoor air port is communicated with the indoor space; the air duct shell is also internally provided with a movable switching air valve which divides the interior of the second shell into at least two ventilation cavities. When the air valve is movably switched to realize the communication between the fresh air port and the air inlet, the indoor air port is communicated with the air outlet, so that the air in the outdoor space can sequentially pass through along the paths of the fresh air port, the air inlet, the air outlet and the indoor air port and enter the indoor space, the air in the outdoor space is sucked into the indoor space, and the fresh air function is realized; when the air valve is movably switched to realize the communication between the fresh air port and the air outlet, the indoor air port is communicated with the air inlet, so that the air in the indoor space sequentially passes through and is discharged to the outdoor space along the paths of the indoor air port, the air inlet, the air outlet and the fresh air port, the air in the indoor space is discharged to the outdoor space, and the function of discharging the indoor turbid air is realized. From this, this application can be through the intercommunication or separate between a plurality of wind gap of a switching blast gate control to this change air flow path, with simple structure realization new trend and blowdown wind function, need not to increase the wall body moreover induced draft and the number of punching holes of airing exhaust, be favorable to reduce cost.

Drawings

Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of a fresh air component provided in embodiment 1 of the present application.

FIG. 2 is a schematic diagram of an exploded view of the new wind assembly of FIG. 1 according to an embodiment of the present application.

Fig. 3 is a schematic view of a fresh air path of a fresh air module according to embodiment 1 of the present application.

Fig. 4 is a schematic cross-sectional structure of the switching damper of embodiment 1 of the present application in a fresh air state.

Fig. 5 is a schematic view of an air path of an air exhaust state of the fresh air component provided in embodiment 1 of the present application.

Fig. 6 is a schematic cross-sectional view of the switching damper of embodiment 1 of the present application in the exhaust state.

Fig. 7 is a schematic structural diagram of a second housing in the fresh air component provided in embodiment 1 of the present application.

Fig. 8 is a schematic diagram of still another internal structure of the connection air chamber in the fresh air module provided in embodiment 1.

Fig. 9 is a schematic perspective view of a fresh air component provided in embodiment 3 of the present application.

Fig. 10 is a schematic perspective view of a second housing in the fresh air component of embodiment 3 of the present application.

Fig. 11 is a schematic front view of a second housing in the fresh air component of embodiment 3 of the present application.

Fig. 12 is a schematic structural diagram of a second housing in a fresh air module according to embodiment 3.

Fig. 13 is a schematic structural diagram of a second housing in a fresh air module according to embodiment 3.

Fig. 14 is a schematic perspective view of a switching damper in the fresh air module of embodiment 3.

Fig. 15 is a schematic view of a switching damper in the fresh air module of embodiment 3.

Fig. 16 is a schematic structural diagram of the fresh air module in embodiment 3 in a fresh air mode.

FIG. 17 is a schematic cross-sectional view of the structure of FIG. 16 A-A' of the present application.

Fig. 18 is a schematic view of the air path structure of the fresh air module in the fresh air mode in embodiment 3.

Fig. 19 is a schematic view of the structure of the fresh air module in the air exhaust mode in embodiment 3.

FIG. 20 is a schematic view of a cross-sectional structure at B-B' in FIG. 19 of the present application.

Fig. 21 is a schematic view of the air path structure of the fresh air module in the air exhaust mode in embodiment 3.

Fig. 22 is a schematic structural diagram of the fresh air module of embodiment 3 in an internal circulation mode.

FIG. 23 is a schematic cross-sectional view of FIG. 22 of the present application at C-C'.

Fig. 24 is a schematic view of the air path structure of the fresh air module of embodiment 3 in the internal circulation mode.

FIG. 25 is an exploded view of embodiment 2 of the fresh air module provided in embodiments of the present application;

FIG. 26 is a schematic structural diagram of a fresh air module according to an embodiment of the present disclosure when a fresh air mode is turned on;

FIG. 27 is a cross-sectional view taken at D in FIG. 26;

fig. 28 is a schematic structural diagram of a fresh air component provided in an embodiment of the present application when an exhaust mode is turned on;

FIG. 29 is a cross-sectional view at E in FIG. 28;

FIG. 30 is a cross-sectional view at K in FIG. 28;

fig. 31 is a schematic structural diagram of a fresh air component with a second air return port according to an embodiment of the present application;

fig. 32 is a schematic structural diagram of a switching damper according to an embodiment of the present disclosure.

Reference numerals:

10. a fan module; 101. an air outlet; 102. an air inlet; 11. a volute; 200. an air duct housing; 20. a first housing; 2001. a side opening; 2002. an end opening; 201. the fan enters the air cavity; 2011. a first indoor connection port; 2012. a fan connection port; 202. the connecting wind cavity; 2021. a second indoor connection port; 2022. a new wind gap; 21. a diverter plate; 30. a second housing; 301. the ventilation cavity; 3011. a first ventilation chamber; 3012. a second ventilation chamber; 3013. a third ventilation chamber; 3001. a first region; 3002. a second region; 3003. a third region; 3004. a fourth region; 3005. a fifth region; 302. an indoor tuyere; 3021. a first indoor tuyere; 3022. a second indoor tuyere; 3023. a second tuyere in the room; 303. a butt joint hole; 3111. an air outlet part; 3112. a connection part; 3113. a return air part; 3014. the air inlet is connected; 3015. an air outlet; 32. a first face; 32. a second face; 33. a side surface; 34. a first stop portion; 35. a second stop portion; 36. a grid; 40. switching the air valve; 41. a perforated surface; 42. a shielding surface; 43. the first annular rib; 44. the second annular rib; 45. a barrier rib; 46. a sidewall; 47. an air outlet valve; 471. a fixing seat; 472. a flow port; 473. a mounting cavity; 474. a lifting air door; 401. an accommodation hole; 402. an outdoor connection port; 403. a first channel; 404. a second channel; 405. a connection hole; 406. a first wind shielding part; 407. a second wind shielding part; 408. a third wind shielding part; 50. a switching pipeline; 60. a driving module; 61. a stepping motor; 62. a driving mechanism; 63. a driving motor; 64. a crank-link mechanism; 70. a filter; 71. a filter screen bracket; 72. and (3) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, it is to be understood that the terms "first", "second" and "third" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. It should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, for example, as being directly connected, or indirectly connected through intermediaries, as being internal to two elements or as being in interaction with each other. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

The application provides a new trend subassembly and new trend air conditioner, below respectively carries out the detailed description to each embodiment.

Example 1

Referring to fig. 1-8, embodiment 1 of the present application provides a fresh air assembly, which includes a fan module 10 and an air duct housing 200.

The fan module 10 is provided with an air inlet 102 and an air outlet 101. The fan module 10 includes a scroll 11 and a fan (not shown) located in the scroll 11, and air is introduced into the fan module 10 from an air inlet 102 and discharged from an air outlet 101 by rotation of the fan.

The air duct housing 200 covers the fan module 10, and the air duct housing 200 is communicated with the air inlet 102 and the air outlet 101. The air duct housing 200 is provided with a fresh air port 2022 communicated with the outdoor space and an indoor air port 302 communicated with the indoor space. The air duct housing 200 is also provided with a movable switching air valve 40.

Specifically, the switching damper 40 has a fresh air state and an exhaust air state by rotating, and the switching damper 40 is illustratively a bar-shaped plate-like structure so as to be rotatable about an axis, so that the switching damper 40 can extend in the first direction Y or in the second direction X. The fresh air state of the switching air valve 40 may be a state in which the fresh air component is in a fresh air mode, and the air exhaust state of the switching air valve 40 may be a state in which the fresh air component is in an air exhaust mode, as shown in fig. 3 to 4, when the switching air valve 40 is in the fresh air state, the switching air valve 40 is located at a position extending along the first direction Y, the fresh air port 2022 is communicated with the air outlet 101, the indoor air port 302 is communicated with the air inlet 102, and at this time, the fresh air component is in the fresh air mode. Referring to fig. 5-6, when the switching damper 40 is in the exhaust state, the switching damper 40 is in the position extending along the second direction X, the fresh air port 2022 is in communication with the air inlet 102, the indoor air port 302 is in communication with the air outlet 101, and at this time, the fresh air component is in the exhaust mode.

The switching air valve 40 is used for playing a role of switching a valve, and the switching air valve 40 is used for controlling the communication or separation among the air inlets 102, the air outlet 101, the indoor air inlet 302, the fresh air inlet 2022 and other air inlets, so that the flow direction of air flow is controlled, and the fresh air component plays a role in switching and realizing different modes such as fresh air, exhaust air or internal circulation. The first direction Y and the second direction X intersect, and the first direction Y and the second direction X may be directions perpendicular to each other, and the first direction Y is a vertical direction and the second direction X is a horizontal direction.

The fresh air component of the embodiment of the application is formed by covering the air duct shell 200 on the fan module 10 provided with the air inlet 102 and the air outlet 101, wherein the air duct shell 200 is communicated with the air inlet 102 and the air outlet 101; an indoor air port 302 and a fresh air port 2022 are arranged on the air duct shell 200, the fresh air port 2022 is communicated with the outdoor space, and the indoor air port 302 is communicated with the indoor space; the air duct shell 200 is also internally provided with a movable switching air valve 40, and the switching air valve 40 has a fresh air state and an exhaust air state.

In the present embodiment, the duct housing 200 includes a first housing 20 and a second housing 30. Wherein the first housing 20 and the second housing 30 are respectively connected with the fan module 10 for forming an air flow path between the indoor space and the outdoor space.

The side opening 2001 and the end opening 2002 are provided adjacently, and the side opening 2001 communicates with the end opening 2002. Wherein, since the end opening 2002 communicates with the air intake 102, the side opening 2001 can communicate with the air intake 102 through the inner cavity of the first housing 20 and the end opening 2002; at the same time, the inner cavity of the second housing 30 also communicates with the side opening 2001.

The first housing 20 covers the end surface of the fan module 10 provided with the air inlet 102, the inner cavity of the first housing 20 is communicated with the air inlet 102, and the first housing 20 is provided with a side opening 2001 which is in the same direction as the air outlet 101.

In this embodiment, the air duct housing 200 further includes a splitter plate 21, and both ends of the splitter plate 21 are respectively connected to the inner wall of the first housing 20, so as to divide the interior of the first housing 20 into a fan inlet chamber 201 and a connection air chamber 202. The fresh air port 2022 is disposed on the first housing 20, and is connected to the air chamber 202 and is communicated with the fresh air port 2022, and the fan inlet air chamber 201 is communicated with the air inlet 102. Meanwhile, as shown in fig. 2, the side opening 2001 is partitioned by the flow dividing plate 21 into a first indoor connection port 2011 and a second indoor connection port 2021.

The second casing 30 communicates with the indoor air port 302, and the air outlet 101 is provided toward the second casing 30. The second casing 30 covers the air outlet 101 and the side opening 2001 of the first casing 20, and the inner cavity thereof communicates with the air outlet 101 and the side opening 2001. As shown in fig. 4 and 7, the inner cavity of the second casing 30 is divided into four areas along the first direction Y and the second direction X with the rotation axis of the switching damper 40 as the center in the direction facing the air outlet 101. Specifically, in fig. 7, the upper left corner region is a first region 3001, the lower left corner region is a second region 3002, the upper right corner region is a third region 3003, and the lower right corner region is a fourth region 3004.

In the embodiment of the present application, the switching damper 40 may divide the interior of the second housing 30 into at least two ventilation chambers. Among them, when the state of the switching damper 40 is switched in the second housing 30, the following two cases may occur. One ventilation cavity is simultaneously communicated with a fresh air port 2022 and a side opening 2001, and the other ventilation cavity is simultaneously communicated with an indoor air port 302 and an air outlet 101, so that the function of introducing outdoor fresh air into an indoor is realized, namely a fresh air mode of a fresh air component is started; secondly, one ventilation cavity is simultaneously communicated with the fresh air port 2022 and the air outlet 101, and the other ventilation cavity is simultaneously communicated with the indoor air port 302 and the side opening 2001, so that the function of leading out indoor polluted air to the outside is realized, namely, the air exhaust mode of the fresh air component is started.

Based on the above structure, the communication relationship between the indoor tuyere 302 and the fan module 10 can be changed by disposing the movable switching damper 40 inside the second housing 30.

The interior of the switching damper 40 is divided into two ventilation cavities, in this embodiment the ventilation cavity 301 comprises a first ventilation cavity 3011 and a second ventilation cavity 3012.

Specifically, when the switching damper 40 is in the fresh air state, the switching damper 40 is in a position extending in the first direction Y; at this time, the first area 3001 in the second housing 30 communicates with the second area 3002 to form a second ventilation chamber 3012, so that the fresh air port 2022 communicates with the air intake port 102; while the third area 3003 in the second housing 30 communicates with the fourth area 3004, forming a first ventilation chamber 3011, so that the indoor air outlet 302 communicates with the air outlet 101; and the first ventilation chamber 3011 and the second ventilation chamber 3012 are separated by the switching air valve 40, so that under the action of the fresh air of the fan module, the air in the outdoor space can sequentially pass through and enter the indoor space along the paths of the fresh air port 2022, the air inlet 102, the air outlet 101 and the indoor air port 302, so that the air in the outdoor space is sucked into the indoor space, and the fresh air function is realized.

When the switching damper 40 is in the exhaust state, the switching damper 40 is in a position extending in the second direction X; at this time, the fourth area 3004 in the second housing 30 is in communication with the second area 3002, forming the first ventilation chamber 3011, so that the indoor tuyere 302 is in communication with the air intake 102; while the first area 3001 communicates with the third area 3003, forming a second ventilation chamber 3012, so that the fresh air port 2022 communicates with the air outlet 101; the first ventilation chamber 3011 and the second ventilation chamber 3012 are separated by the switching damper 40, so that under the action of the fresh air of the fan module, the air in the indoor space can sequentially pass through and be discharged to the outdoor space along the paths of the indoor air inlet 302, the air inlet 102, the air outlet 101 and the fresh air outlet 2022, so that the air in the indoor space is discharged to the outdoor space, and the function of discharging the indoor turbid air is realized.

The new trend subassembly of this application embodiment can be through the intercommunication or separate between a plurality of wind gaps of a switching blast gate 40 control to this change air flow path, with simple structure realization new trend and blowdown wind function, need not to increase the number of punching holes of induced drafting and airing exhaust of wall body moreover, be favorable to reduce cost.

It should be noted that, the first housing 20 and the second housing 30 may be detachably connected, or may be integrally formed, which is not particularly limited herein.

In this embodiment, the air inlet 102 and the air outlet 101 are respectively disposed on two adjacent surfaces of the fan module 10, and the ends of the first housing 20 and the second housing 30 are connected to each other, so that the air duct housing 200 covers the fan module 10 in an L shape. The L-shaped air duct housing 200 may be adapted to the positions of the air inlet 102 and the air outlet 101 of the fan module 10, thereby improving the compactness of the structure.

It should be noted that, in the embodiment of the present application, the L-shape is not limited, and the air duct housing 200 may also have a V-shape, an inverted T-shape, or a cross-shape, which can be adapted to the positions of the air inlet 102 and the air outlet 101, through the adjustment of the positional relationship between the first housing 20 and the second housing 30.

As a preferred implementation of this embodiment, as shown in fig. 8, the splitter plate 21 may also be curved, so as to facilitate reducing resistance of the airflow during the flow of the air in the conversion pipeline 50 and the connection wind cavity 202, thereby reducing wind resistance, and facilitating reducing airflow noise generated by airflow obstruction and airflow impact.

The fresh air assembly further includes a conversion duct 50, the conversion duct 50 is connected with the first housing 20, one end of the conversion duct 50 is connected with the first housing 20, and the conversion duct 50 is communicated with the interior of the first housing 20, specifically, the conversion duct 50 is communicated with the connection air chamber 202, and the other end of the conversion duct 50 is communicated with the outdoor air. In addition, the inner wall of the switching duct 50 communicating with the outdoor air may be provided with internal threads, thereby facilitating the connection of the extension duct.

Wherein the transfer duct 50 is integrally formed with the manifold 21. The connection between the transfer pipe 50 and the splitter plate 21 may be smooth, so that wind resistance is further reduced. Of course, as shown in fig. 5, the diverter plate 21 may be planar, and the connection between the diverter pipe 50 and the diverter plate 21 may be disposed at a certain angle, for example, the connection between the diverter pipe 50 and the diverter plate 21 may be a folding angle of 90 °, 135 ° or 160 °, and the angle of the connection between the diverter pipe 50 and the diverter plate 21 is not particularly limited.

In this embodiment, the switching damper 40 may have a bar-shaped plate structure, and when the switching damper 40 is in the fresh air state, i.e., when the fresh air component is in the fresh air mode, the switching damper 40 extends in the first direction Y, and when the switching damper 40 is in the exhaust state, i.e., when the fresh air component is in the exhaust mode, the switching damper 40 extends in the second direction X. When the switching air valve 40 rotates to the vertical direction, the switching air valve 40 and the splitter plate 21 are in a mutually perpendicular state, namely, the switching air valve 40 is positioned between the fan module 10 and the first shell 20, so that isolation between the fan inlet air cavity 201 and the connecting air cavity 202 is achieved, and when the switching air valve 40 rotates to the horizontal direction, the switching air valve 40 is flush with the splitter plate 21, namely, the switching air valve 40 and the splitter plate 21 are positioned in the same horizontal plane, so that isolation between the connecting air cavity 202 and the connecting air cavity 202 is achieved. According to the embodiment of the application, the switching air valve 40 is arranged to be of the baffle structure, and the purposes of communicating or isolating the fan inlet air cavity 201 and the connecting air cavity 202 are achieved through the baffle, so that the structure is simple.

A filter 70 may be further disposed between the first housing 20 and the fan module 10, and the filter 70 may specifically include a filter screen 72 and a filter screen support 71, where the filter screen 72 is connected to the filter screen support 71, and the filter 70 is used for filtering gas entering the room from the outside to form purified fresh air.

In the present embodiment, as shown in fig. 7, the second housing 30 includes a first face 31, a second face 32, and a side face 33. The side surface 33 is connected between the second surface 32 and the first surface 31, and the second surface 32 and the side surface 33 enclose the ventilation cavity 301.

The second surface 32 is provided with an indoor air port 302, and the first surface 31 and the second surface 32 are opposite, wherein the first surface 31 partially covers the second surface 32, and the first surface 31 at least covers the indoor air port 302. Wherein the indoor air port 302 is used to send air of the indoor space to a fan inlet of the fan module 10 via the ventilation cavity 301, or to introduce outdoor air into the room via the indoor air port 302.

The first surface 31 is further configured to provide a plurality of docking holes 303, and in this embodiment, the air outlet 101, the first indoor connection port 2011, and the second indoor connection port 2021 are respectively docked with one docking hole 303, so as to implement cooperation among the fan module 10, the first housing 20, and the second housing 30.

The strip-shaped grid 36 can be clamped at the indoor air port 302, so that when the fresh air component is in a fresh air mode, namely, outdoor fresh air is introduced indoors, the air can be softened and skin friendly, people cannot feel uncomfortable after blowing the fresh air, and user experience is improved.

In some embodiments, the switching damper 40 is a bar-shaped plate structure, and the first stopper 34 and/or the second stopper 35 are disposed inside the second housing 30. Specifically, in the embodiment of the present application, only the first stopper 34 may be provided in the second housing 30, only the second stopper 35 may be provided, and both the first stopper 34 and the second stopper 35 may be provided.

As shown in fig. 4 and 7, at least one first stop portion 34 is disposed inside the second housing 30, the first stop portion 34 extends along the first direction Y, the first stop portion 34 extends along the vertical direction, and when the switching damper 40 is in the exhaust state, the switching damper 40 rotates to a position extending in the first direction Y, and the first stop portion 34 abuts against an end portion of the switching damper 40. The switching air valve 40 of this application embodiment is the baffle, and the tip and the first backstop portion 34 butt of switching air valve 40 to the contact surface between switching air valve 40 and the first backstop portion 34 can realize sealedly, avoids the air to leak away from the inner wall of the second casing 30 that is close to this first backstop portion 34, thereby improves the separation leakproofness between the different wind channels through the setting of first backstop portion 34.

Of course, in order to achieve a sealing of the contact surface between the switching damper 40 and the first stop 34, an elastic seal may also be provided on the end of the switching damper 40 or on the first stop 34.

In the embodiment of the present application, the number of the first stop portions 34 is two, the two first stop portions 34 are arranged at intervals in the first direction Y, that is, in the vertical direction, each first stop portion 34 is connected with one end portion of the switching air valve 40, and the two first stop portions 34 are respectively abutted with two opposite surfaces of the switching air valve 40. Specifically, the first stopper 34 may be a protrusion structure provided on the inner wall of the second housing 30, and the first stopper 34 may be a plate-like, bar-like or block-like structure capable of abutting against the end of the switching damper 40, for example, without being limited thereto.

As shown in fig. 6 and 7, at least one second stop portion 35 is further disposed inside the second housing 30, the second stop portion 35 extends along the second direction X, that is, the second stop portion 35 extends along the horizontal direction, and when the switching damper 40 is in the fresh air state, the switching damper 40 rotates to a position extending in the second direction X, and the second stop portion 35 abuts against an end portion of the switching damper 40. The contact surface between the switching air valve 40 and the second stop portion 35 can be sealed, air is prevented from leaking out from the inner wall of the second housing 30 close to the second stop portion 35, and the separation tightness between different air channels is improved through the arrangement of the second stop portion 35.

In the embodiment of the present application, the number of the second stop portions 35 is two, and the two second stop portions 35 are disposed at intervals in the second direction X, that is, in the horizontal direction, each first stop portion 34 is connected with one end of the switching air valve 40, and the two first stop portions 34 are respectively abutted with two opposite surfaces of the switching air valve 40. Specifically, the second stopper 35 may be a protrusion structure provided on the inner wall of the second housing 30, and the second stopper 35 may be a plate-like, bar-like or block-like structure capable of abutting against the end of the switching damper 40, for example, without being limited thereto. In this embodiment of the present application, an included angle exists between the first direction Y and the second direction X, where the first direction Y and the second direction X may be directions perpendicular to each other, and exemplary, the first direction Y is a vertical direction, and the second direction X is a horizontal direction.

With continued reference to fig. 7, in the embodiment of the present application, the shape of the second housing 30 may be rectangular, however, the second housing 30 may also be circular, trapezoidal, pentagonal, hexagonal, or the like, which is not particularly limited herein. In this embodiment, the rectangle, circle, trapezoid, pentagon, hexagon, or the like is not strictly defined, and may be approximately circle, approximately rectangle, approximately trapezoid, approximately pentagon, approximately hexagon, or the like, and there may be some small deformation due to tolerance, and there may be chamfer, arc edge, deformation, or the like.

Example 2

It should be noted that the difference between the embodiment of the present application and embodiment 1 is that the second housing 30 has the same or similar other components.

Referring to fig. 25 to 32, the second housing 30 has an overall L-shape, and an interior thereof may be sequentially divided into an air outlet portion 3111, a connection portion 3112 and an air return portion 3113; the air outlet 3111 covers the air outlet 101, the connecting portion 3112 covers the side opening and faces the connecting air chamber 202, and the air return portion 3113 covers the side opening and faces the fan air inlet chamber 201.

That is, on the orthographic projection of the plane where the side opening is located, the second housing 30 is in an L shape, and two ends of the connection portion 3112 are respectively connected to the air outlet portion 3111 and the air return portion 3113, which can reduce the volume of the second housing 30 and reduce the volume of the fresh air component.

In the embodiment of the present application, the switching damper 40 may divide the interior of the second housing 30 into at least two ventilation chambers. Among them, when the state of the switching damper 40 is switched in the second housing 30, the following two cases may occur. One ventilation cavity is simultaneously communicated with a fresh air port 2022 and a side opening 2001 and seals an indoor air port 302, and the other ventilation cavity is communicated with an air outlet 101, so that the function of introducing outdoor fresh air into an indoor space is realized, namely a fresh air mode of a fresh air component is started; secondly, one ventilation cavity is simultaneously communicated with the fresh air port 2022 and the air outlet 101, and the other ventilation cavity is simultaneously communicated with the indoor air port 302 and the side opening 2001, so that the function of leading out indoor polluted air to the outside is realized, namely, the air exhaust mode of the fresh air component is started.

Wherein, the air outlet part 3111 is provided with an air outlet valve 47, and the air outlet valve 47 comprises a fixing seat 471 and a lifting air door 474; the fixing seat 471 is fixed at the air outlet 101, and is provided with a circulation port 472 and a mounting cavity 473, and the circulation port 472 is communicated with the air outlet 101; a lift damper 474 is slidably mounted within the mounting cavity 473.

The fixing seat 471 is fixed at the air outlet 101, and a lifting air door 474 is slidably mounted, so that the fresh air component can lift the lifting air door 474 when opening the internal and external circulation and the fresh air mode, and is used for opening the air outlet 101, and can lower the lifting air door 474 when the air exhaust mode and the fresh air component are closed, and is used for closing the air outlet 101.

The indoor air port 302 is formed on a side wall of the air return portion 3113 and is on the same plane as a connection surface between the connection portion 3112 and the air outlet portion 3111.

The connection portion 3112 and the return portion 3113 are communicated with each other and form a connection air port 3014, and the connection air port 3014 is used for communicating the fan inlet chamber 201 and the connection air chamber 202; the connection portion 3112 communicates with the air outlet portion 3111 and forms an air outlet 3015, and the air outlet 3015 communicates with the air outlet 101 and the connection air chamber 202.

The connection surface between the connection portion 3112 and the air outlet portion 3111 is a plane where the air outlet 3015 is located, that is, the air outlet 3015 and the indoor air inlet 302 are located on the same plane, and when the switching air valve 40 rotates to the connection surface, the air outlet 3015 and the indoor air inlet 302 can be closed at the same time. In addition, the plane of the connection air port 3014 is perpendicular to the plane of the air outlet 3015, that is, the switching air valve rotates 90 degrees to open or close the indoor air port 302, the connection air port 3014 and the air outlet 3015, that is, the switching air valve rotates 90 degrees to switch the fresh air mode and the air exhaust mode of the fresh air component.

The switching damper 40 is a sheet-like plate body, and a portion of the sheet-like plate body located in the air outlet portion 3111 and the connection portion 3112 is a first wind shielding portion 406, and a cross-sectional shape of the first wind shielding portion 406 in the air outlet direction of the fan module is an airfoil shape.

The switching damper 40 includes a first damper 406 and a second damper 407, the first damper 406 is used to open or close the exhaust port 3015, and the second damper 407 is used to open or close the indoor air port 302 and the connection air port 3014.

It can be appreciated that when the fresh air component is in the air exhaust mode, the second wind shielding part 407 seals the connection air port 3014, indoor dirty air enters the fan inlet air cavity 201 through the indoor air port 302, and then flows out of the fresh air port 2022 through the connection air cavity 202, a large amount of air flows pass through the air cavities on two sides of the second wind shielding part 407, and the sealing effect of the second wind shielding part 407 on the connection air port 3014 can be ensured under the combined action of the air flows of the air cavities on two sides; however, only one air flow passes through the first wind shielding portion 406 and flows to the air outlet 3015, which may cause the first wind shielding portion 406 to move towards a side close to the air outlet 3015, which may cause air leakage from the air connection port 3014, thereby affecting the air exhaust efficiency of the fresh air component.

By setting the first wind shielding part 406 to be an airfoil, when the airflow rapidly flows through the first wind shielding part 406, the airflow velocity at two sides of the first wind shielding part 406 is inconsistent, so that the pressure applied to the surface of the side of the first wind guiding part with the faster airflow is larger, and the first wind shielding part 406 can be pressed in one direction.

Preferably, the surface of the first wind shielding part 406 near one side of the connection wind gap 3014 is a convex curved surface, and the other side is a plane.

Thus, when the fresh air component starts the air exhaust mode, the first wind shielding part 406 can be tightly pressed on the fan module housing at one side far away from the air outlet 3015, so that the flow fluency of the air flow passing through the connecting air outlet 3014 is ensured.

Further, in other embodiments, the cross-sectional shape of the first wind shielding portion 406 may be any other airfoil shape, which is not limited herein.

In particular, in combination with the above, the adjacent portion between the first wind shielding portion 406 and the second wind shielding portion 407 is a rotation center, and when the cross-sectional shape of the first wind shielding portion 406 is an airfoil shape and the fresh air component opens the air exhaust mode, the switching damper 40 forms a lever. And wherein the first wind shielding portion 406 receives a pressure of rotating toward away from the exhaust port 3015, so that the second wind shielding portion 407 receives a thrust of rotating toward the connection port 3014; by combining the wing profile principle and the lever principle, the flow smoothness of the air flow passing through the connection tuyere 3014 and the tightness of the connection tuyere 3014 are improved.

Further, the air return portion 3113 may be provided with an indoor second air port 3023, a plane of the indoor second air port 3023 is perpendicular to a plane of the indoor air port 302, and the indoor second air port 3023 and the air outlet are open. Correspondingly, the switching air valve 40 is further provided with a third air blocking portion 408, and a plane of the third air blocking portion 408 is correspondingly perpendicular to a plane of the second air blocking portion 407, so as to open or close the second air port 3023 in the room.

By providing the second air port 3023 in the room, the amount of air intake of the fresh air module can be increased when the fresh air module is in the air exhaust mode.

Optionally, the second housing 30 is integrally formed with the first housing. In this way, the structure of the duct housing 200 can be simplified.

Optionally, the fresh air component is provided with a driving mechanism 62, and the driving mechanism 62 comprises a driving motor 63 and a crank connecting rod mechanism 64; the driving motor 63 is installed outside the air duct housing 200, and both ends of the crank link mechanism 64 are respectively connected with the driving motor and the switching air valve 40.

Because the second housing 30 is L-shaped, the driving mechanism 62 can be placed at the gap between the adjacent sides of the second housing 30, and the driving mechanism 62 is positioned outside the indoor air port 302, so that the blocking of the air flow in the air duct housing 200 can be reduced, and the air flow passing efficiency of the fresh air component can be improved.

Example 3

As shown in fig. 9-24, embodiment 2 of the present application provides a fresh air assembly, which includes a fan module 10 and an air duct housing 200. The difference between the present embodiment and the first embodiment is mainly that the duct housing structure 200 and the switching damper structure 40 are different, specifically, the structures of the first housing 20 and the second housing 30 are different from those of the first embodiment, and the splitter plate 21 is not provided in the first housing 20 in the present embodiment, so that the number of the side openings 2001 is one, that is, only one indoor connection port. The fresh air component of the embodiment of the application can control the communication or separation between a plurality of air inlets through one switching air valve 40, so that the air circulation path is changed, and the structure is simple.

In this embodiment, only the fan inlet chamber 201 is formed on the first housing 20, and the fan inlet chamber 201 is provided with a fan connection port 2012.

In the present embodiment, the indoor tuyere 302 includes a first indoor tuyere 3021 and a second indoor tuyere 3022. Wherein the first and second indoor air ports 3021 and 3022 are disposed at intervals on the same surface of the second housing 30.

In the embodiment of the present application, the switching damper 40 may divide the interior of the second housing 30 into at least two ventilation chambers. Among them, when the state of the switching damper 40 is switched in the second housing 30, the following three cases may occur. One ventilation cavity is simultaneously communicated with a fresh air port 2022 and a side opening 2001, and the other ventilation cavity is simultaneously communicated with an indoor air port 302 and an air outlet 101, so that the function of introducing outdoor fresh air into an indoor is realized, namely a fresh air mode of a fresh air component is started; secondly, one ventilation cavity is simultaneously communicated with the fresh air port 2022 and the air outlet 101, and the other ventilation cavity is simultaneously communicated with the indoor air port 302 and the side opening 2001, so that the function of leading out indoor polluted air to the outside is realized, namely, an air exhaust mode of the fresh air component is started; thirdly, one ventilation cavity is simultaneously communicated with a first indoor air port 3021 and a side opening 2001 in the indoor air port 302, and the other ventilation cavity is simultaneously communicated with the air outlet 101 and a second indoor air port 3022 in the indoor air port 302 and seals a fresh air port 2022, so that the function of re-introducing indoor polluted air into the fresh air component for reprocessing is realized, namely, an internal circulation mode of the fresh air component is started.

When the switching damper 40 is in the internal circulation state, in which the fresh air component is in the air internal circulation mode and the fresh air port 2022 is in the closed state, the first indoor air port 3021 is respectively communicated with the indoor space and the air intake port 102, and the second indoor air port 3022 is respectively communicated with the indoor space and the air outlet port 101.

Among the new trend subassembly of this application embodiment, the different states of switch damper 40 correspond to the different mode of new trend subassembly, for example, the new trend state of switch damper 40, the state of airing exhaust and the internal circulation state correspond to the new trend mode of new trend subassembly respectively, the mode of airing exhaust and the internal circulation mode to the new trend subassembly of this application embodiment can be applied to multiple scene, can change different air exchange modes according to the air state in the actual room or the air state outside during the use, promotes the travelling comfort. For example, when the indoor air is poor, smoke is big, etc., the fresh air component can be set to be in an exhaust mode, so that the indoor air can be replaced quickly. When outside air is in normal mode, can set up the new trend subassembly as new trend mode, carry out indoor air and change. When the fresh air component is not used for a long time and is just started, the fresh air component can be set to be in an exhaust mode so as to blow out foreign matters in the pipeline, and therefore the quality of the follow-up whole air is improved.

In some embodiments, the second housing 30 is a flat cylindrical structure or a hemispherical structure. Wherein the second housing 30 comprises a first face 31, a second face 32 and a side face 33. Wherein the first surface 31 and the second surface 32 are disposed opposite to each other, and the side surface 33 is disposed between the first surface 31 and the second surface 32. The first face 31 is the face facing the fan module 10, and the second face 32 is the face facing away from the fan module 10.

As shown in fig. 12-13, taking the second housing 30 as an example with a hemispherical structure, the second surface 32 of the second housing 30 is a spherical surface protruding away from the fan module 10, and by setting the second housing 30 to be a hemispherical structure, the transition between the side surface 33 of the second housing 30 and the second surface 32 is smoother, which is beneficial to reducing the resistance of the airflow flowing in the second housing 30, and further reducing the wind resistance, and reducing the airflow noise generated by the airflow obstruction and airflow impact.

In this embodiment, the circle, the cylinder, the hemisphere, and the like are not strictly defined, and may be approximately circle, approximately cylinder, approximately hemisphere, and the like, and there may be some small deformation due to tolerance, and there may be chamfer, arc, deformation, and the like.

As shown in fig. 10 and 17, the opening direction of the fresh air port 2022 is perpendicular to the opening direction of the indoor air port 302, where the fresh air port 2022 is formed on the side surface 33, and the fresh air port 2022 is formed on the side surface 33 away from the air outlet 101, the indoor air port 302 is formed on the second surface 32 of the second housing, and since the second surface 32 and the side surface 33 are perpendicular to each other, the opening direction of the fresh air port 2022 and the opening direction of the indoor air port 302 are also perpendicular to each other, and the conversion pipeline 50 can be connected to the second housing 30, thereby being beneficial to improving the structural compactness.

In some embodiments, as shown in fig. 10-14, the second housing 30 and the switching air valve 40 each include a circular housing, the second housing 30 is sleeved on an outer sidewall of the switching air valve 40, and the second housing 30 is adapted to the switching air valve 40. Since the switching damper 40 also includes a circular housing, the second housing 30 may be sleeved on an outer side wall of the switching damper 40, and the circular housing of the switching damper 40 and the circular housing of the second housing 30 are in a sleeved relationship with each other.

In addition, as shown in fig. 12, the side surface 33 of the switching damper 40 is provided with an outdoor connection port 402, and when the outdoor connection port 402 is communicated with the fresh air port 2022, air in the outdoor space can enter the inside of the second casing 30 through the fresh air port 2022 or air in the second casing 30 can be discharged to the outside through the fresh air port 2022; when the outdoor connection port 402 and the fresh air port 2022 are displaced, the fresh air port 2022 is closed by the switching damper 40, and the air in the outdoor space cannot communicate with the inside of the second casing 30. Thereby, the switching damper 40 is in a state of closing or communicating the fresh air port 2022.

It should be noted that "vertical" includes the stated case and the case similar to the stated case, and "vertical" includes absolute vertical and near vertical, in which the acceptable deviation range of near vertical may be, for example, a deviation within 5 °.

In some embodiments, as shown in connection with fig. 14 and 15, the switching damper 40 includes an open hole surface 41 and a shielding surface 42 that are disposed opposite to each other, and a first channel 403 and a second channel 404 that are separated from each other, and a third channel 405 are disposed on the switching damper 40, where the first channel 403 penetrates the open hole surface 41 and the shielding surface 42, and the second channel 404 penetrates the open hole surface 41 and the shielding surface 42. The shielding surface 42 is a surface of the switching air valve 40 near the first surface 31, the perforated surface 41 is provided with a plurality of connection holes 4051, wherein the number of the connection holes 4051 is two, the first channel 403, the second channel 404 and the two connection holes 4051 are arranged on the surface at intervals, the third channel 405 is communicated with the connection holes 4051, the first channel 403, the second channel 404 and the third channel 405 are divided into channels separated from each other, and the first channel 403, the second channel 404 or the third channel 405 can be communicated or isolated with the first indoor air port 3021, the second indoor air port 3022 or the air outlet 101 through rotation of the switching air valve 40, so that the state switching of the switching air valve 40 is realized.

Specifically, in fig. 15, the upper left corner of the inside of the switching damper 40 has a region of the second passage 404 surrounded by the first annular rib, and the lower left corner has the first passage 403 surrounded by the second annular rib; in addition, the switching air valve 40 includes a first annular rib 43, a second annular rib 44, a blocking rib 45, and a third channel 405 outside the circular sidewall of the switching air valve 40, wherein the first annular rib 43 and the second annular rib 44 extend along a tangent line to the circular sidewall of the switching air valve 40 to form the blocking rib 45, and meanwhile, the blocking rib 45 is also connected between the first annular rib 43 and the second annular rib 44.

As shown in fig. 11 and 17, the switching damper 40 divides the interior of the second housing 30 into three ventilation chambers in a direction facing the air outlet 101, and in this embodiment, the ventilation chamber 301 includes a first ventilation chamber 3011, a second ventilation chamber 3012, and a third ventilation chamber 3013. Since the switching air valve 40 is sleeved in the second casing 30, the first air exchanging cavity 3011 corresponds to the first channel 403, the second air exchanging cavity 3012 corresponds to the second channel 404, the third air exchanging cavity 3013 corresponds to the third channel 405, and the channels in the switching air valve 40 can be mutually communicated or isolated through opening or closing the air outlet 101 or the side opening 2001, so that the first air exchanging cavity 3011, the second air exchanging cavity 3012 and the third air exchanging cavity 3013 inside the second casing 30 are mutually communicated or isolated.

Since the switching damper 40 is movably provided in the second housing 30, the positions of the first ventilation chamber 3011, the second ventilation chamber 3012, and the third ventilation chamber 3013 in the second housing 30 are not fixed. Illustratively, when the first passageway 403 is located in the upper right hand corner, then the first plenum 3011 is also formed within the upper right hand corner of the second housing 30, and when the first passageway 403 is located in the lower right hand corner, then the first plenum 3011 is also formed within the lower right hand corner of the second housing 30.

In the embodiment of the present application, the shapes of the first ventilation chamber 3011 and the second ventilation chamber 3012 are not limited, that is, the shapes of the ribs surrounding the first ventilation chamber 3011 and the second ventilation chamber 3012 may be triangle, quadrangle, pentagon, hexagon, or the like, in addition to the circular ribs.

Referring to fig. 16-18, when the switching damper 40 is in the fresh air state, at this time, the fresh air component is in the fresh air mode, at this time, the switching damper 40 opens the fresh air port 2022, and simultaneously the switching damper 40 closes the butt-joint hole 303 of the second housing 30 corresponding to the air inlet 102 and opens the butt-joint hole 303 of the second housing 30 corresponding to the air outlet 101, the second ventilation chamber 3012 is respectively communicated with the indoor space and the air outlet 101, the third ventilation chamber 3013 is communicated with the fresh air port 2022 and the side opening 2001, the second ventilation chamber 3012 is communicated with the air outlet 101 and the first indoor air port 3021, and the second ventilation chamber 3012 is a closed chamber. Thus, in the fresh air mode, the air in the outdoor space sequentially passes through the fresh air inlet 2022, the air inlet 102, the air outlet 101 and the indoor air outlet 302 and enters the indoor space, so that the air in the outdoor space is sucked into the indoor space, and the fresh air function is realized.

As shown in fig. 19-21, when the switching damper 40 is in the air exhaust state, at this time, the fresh air component is in the air exhaust mode, at this time, the switching damper 40 opens the fresh air port 2022, and simultaneously, the switching damper 40 closes the butt hole 303 corresponding to the air outlet 101 on the second housing 30 and opens the butt hole 303 corresponding to the air inlet 102 on the second housing 30, the second ventilation chamber 3012 is respectively communicated with the indoor space and the air inlet 102, the first indoor air port 3021 is respectively communicated with the indoor space and the air inlet 102, the first ventilation chamber 3011 is communicated with the second indoor air port 3022 and the side opening 2001, the third ventilation chamber 3013 is communicated with the air outlet 101 and the fresh air port 2022, and the first ventilation chamber 3011 is a closed area, so that air in the indoor space sequentially passes through and is discharged to the outdoor space along paths of the indoor air port 302, the air inlet 102, the air outlet 101 and the fresh air port 2022, so that air in the indoor space is discharged to the outdoor space, thereby realizing the function of discharging indoor turbid air.

As shown in fig. 22-24, when the switching damper 40 is in the internal circulation state, i.e., the fresh air assembly is in the air internal circulation mode, at this time, the switching damper 40 closes the fresh air port 2022, and at the same time, the switching damper 40 opens the butt-joint holes 303 of the second housing 30 corresponding to the air outlet 101 and the air inlet 102, so that the second ventilation chamber communicates with the second indoor air port 3022 and the side opening 2001, the first ventilation chamber 3011 communicates with the air outlet 101 and the first indoor air port 3021, and the third ventilation chamber is 3013 a closed chamber, so that the air in the indoor space realizes the circulation flow through the fresh air assembly.

In some embodiments, the fresh air assembly further includes a driving module 60, wherein the driving module 60 is disposed on the second housing 30, the driving module 60 is connected to the switching air valve 40, and the driving module 60 drives the switching air valve 40 to rotate around the shaft.

The rotation angle of the switching damper 40 may be in the range of 0 to 90 °. For example, when the switching air valve 40 in the embodiment of the present application is in a bar-shaped plate structure, when the fresh air component is in the fresh air mode, at this time, the switching air valve 40 is located to extend along the first direction Y, that is, the switching air valve 40 is in a vertical state, then the rotation angle of the switching air valve 40 is 0 °, and when the fresh air component needs to be switched from the fresh air mode to the air exhaust mode, then the switching air valve 40 rotates counterclockwise to the second direction X, that is, the switching air valve 40 is in a horizontal state, then the rotation angle of the switching air valve 40 is 90 °.

In addition, the rotation angle range of the switching air valve 40 may also be 0-180 ° for example, when the switching air valve 40 in the embodiment of the present application is provided with the connection hole 4051 and the plurality of ventilation chambers (the first ventilation chamber 3011 and the second ventilation chamber 3012), and when the initial mode of the fresh air component is the internal circulation mode, at this time, the first ventilation chamber 3011 of the switching air valve 40 is communicated with the air outlet 101 and the second ventilation chamber 3012 is communicated with the air inlet 102, at this time, the rotation angle of the switching air valve 40 is 0 °, and when the fresh air component needs to be switched from the internal circulation mode to the fresh air mode, the switching air valve 40 is rotated 90 ° counterclockwise, at this time, the second ventilation chamber 3012 of the switching air valve 40 is communicated with the air outlet 101, and at the same time, the switching air valve 40 closes the air inlet 102; when the fresh air component needs to be switched from the internal circulation mode to the exhaust mode, the switching air valve 40 rotates 90 degrees clockwise, at this time, the second ventilation cavity 3012 of the switching air valve 40 is communicated with the air inlet 102, and meanwhile, the switching air valve 40 closes the air outlet 101. Accordingly, the switching damper 40 may be rotated clockwise or counterclockwise in the range of 0 to 180 °.

The driving module 60 may include a stepping motor 61, where the stepping motor 61 may drive the switching damper 40 to rotate clockwise or counterclockwise to change the initial state of the switching damper 40 to a vertical state, at this time, the end of the switching damper 40 abuts against the first stop portion 34, when the switching to the exhaust state is required, the stepping motor 61 rotates counterclockwise, the switching damper 40 will rotate counterclockwise together, until the second stop portion 35 is touched, the stepping motor 61 stops moving, the switching damper 40 also stops rotating, otherwise, when the switching from the exhaust state to the fresh air state is required, the stepping motor 61 rotates clockwise, the switching damper 40 will rotate clockwise together, until the first stop portion 34 is touched, the stepping motor 61 stops moving, and the switching damper 40 also stops rotating.

In some embodiments, the driving module 60 includes a stepper motor 61 with a driving shaft (not shown), and the middle portion of the switching air valve 40 is provided with a receiving hole 401, taking the switching air valve 40 as a strip-shaped plate structure as an example, the receiving hole 401 is opened in the thickness direction of the strip-shaped plate structure, and the receiving hole 401 extends along the width direction of the strip-shaped plate structure. Taking the switching air valve 40 as a cylindrical structure for example, the accommodating hole 401 is disposed at the axis of the cylindrical structure.

The driving shaft is placed in the accommodating hole 401, and the accommodating hole 401 is matched with the driving shaft. The driving shaft of the stepping motor 61 is arranged in the middle of the switching air valve 40, so that the stepping motor 61 drives the switching air valve 40 to rotate at an angle, and the three air channels are controlled to be communicated or separated through one switching air valve 40, so that the air circulation path is changed, the structure is simple, and the cost is reduced.

The application also provides a new trend air conditioner, and this new trend air conditioner includes foretell new trend subassembly and air conditioner. Because the fresh air conditioner has the fresh air component, the fresh air conditioner has the same beneficial effects, and the embodiment is not repeated here. The air conditioner of the embodiment of the application can be a wall-mounted air conditioner.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments. In the implementation, each unit or structure may be implemented as an independent entity, or may be implemented as the same entity or several entities in any combination, and the implementation of each unit or structure may be referred to the foregoing method embodiments and will not be repeated herein.

The fresh air component and the fresh air conditioner provided by the embodiment of the application are described in detail, and specific examples are applied to explain the principle and implementation of the embodiment of the application, and the description of the embodiment is only used for helping to understand the technical scheme and core ideas of the embodiment of the application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A fresh air component, comprising:

the fan module is provided with an air inlet and an air outlet;

the second shell is internally provided with a movable switching air valve, the switching air valve divides the interior of the second shell into at least two ventilation cavities, and the connection relation between the two ventilation cavities and the fresh air port, the side opening, the indoor air port and the air outlet is changed through movement;

the switching air valve divides the ventilation cavity into a first ventilation cavity and a second ventilation cavity; when the switching air valve is in a fresh air state, the first air exchanging cavity is communicated with the fresh air port and the side opening, and the second air exchanging cavity is communicated with the air outlet and the indoor air port; when the switching air valve is in an air exhaust state, the first air exchanging cavity is communicated with the fresh air port and the air outlet, and the second air exchanging cavity is communicated with the side opening and the indoor air port;

or the indoor air port comprises a first indoor air port and a second indoor air port, and the switching air valve divides the ventilation cavity into a first ventilation cavity, a second ventilation cavity and a third ventilation cavity; when the switching air valve is in a fresh air state, the first air exchanging cavity is communicated with the fresh air port and the side opening, the second air exchanging cavity is communicated with the air outlet and the first indoor air outlet, and the third air exchanging cavity is a closed cavity; when the switching air valve is in an air exhaust state, the first air exchanging cavity is communicated with the fresh air port and the air outlet, the second air exchanging cavity is a closed cavity, and the third air exchanging cavity is communicated with the second indoor air port and the side opening; when the switching air valve is in an internal circulation state, the first air exchanging cavity is a closed cavity, the second air exchanging cavity is communicated with the second indoor air opening and the side opening, and the third air exchanging cavity is communicated with the air outlet and the first indoor air opening.

2. The fresh air assembly of claim 1, wherein the fresh air vent is open to the first housing;

3. The fresh air assembly according to claim 2, wherein the second housing is generally L-shaped and has an interior divided into an air outlet portion, a connection portion and an air return portion in sequence;

4. A fresh air assembly according to claim 3, wherein the indoor air opening is provided in a side wall of the return air portion and is in the same plane as a connection surface between the connection portion and the air outlet portion.

5. The fresh air assembly of claim 4 or 3, further comprising a lift damper for opening or closing the air outlet;

6. A fresh air assembly according to any one of claims 1 to 3, wherein the switching damper is of a bar-shaped plate-like structure, and a first stop portion and/or a second stop portion are provided inside the second housing;

7. A fresh air assembly according to any one of claims 1 to 3, wherein the switching damper is a sheet-like plate body, a portion of the sheet-like plate body located in the air outlet portion and the connecting portion is a first wind shielding portion, and a cross-sectional shape of the first wind shielding portion along an air outlet direction of the fan module is an airfoil shape.

8. The fresh air assembly of any one of claims 1-3, wherein the second housing is a rectangular housing, a flat cylindrical housing, or a hemispherical housing.

9. A fresh air assembly according to any one of claims 1 to 3, wherein the second housing is integrally formed with the first housing.

10. The fresh air assembly of claim 1, wherein the fresh air vent is open to the second housing.

11. The fresh air assembly of claim 1, wherein the opening direction of the fresh air vent is perpendicular to the opening direction of the indoor air vent.

12. A fresh air assembly according to any one of claims 1 to 3, wherein the second housing is a flat cylindrical housing or a hemispherical housing, the second housing is sleeved on an outer side wall of the switching air valve, and the switching air valve is adapted to the second housing.

13. A fresh air conditioner, characterized in that the fresh air conditioner comprises an air conditioner and a fresh air component according to any one of claims 1 to 12, the fresh air component being mounted on one side of the air conditioner.