Air conditioner and fresh air pipe assembly thereof

By designing a new air duct assembly, using the first new air duct joint and the first new air duct to directly extend out of the wall hole to the outdoor, the problem of hole drilling of the existing air conditioner fresh air duct needs to be solved, the production and installation costs are reduced, and the stable setting of the new air duct is ensured.

CN222773477UActive Publication Date: 2025-04-18QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2
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Patent Information

Application Number
CN202420625814.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-04-18
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The design of existing air conditioning fresh air ducts requires holes to be drilled on the wall, and some users are unwilling to or unable to drill holes, resulting in high production and installation costs.

Method used

A fresh air duct assembly is designed, through the first fresh air duct joint and the first fresh air duct, the air outlet of the first fresh air duct joint is connected to the indoor air conditioning fresh air module, the air inlet end extends into the wall hole from the air outlet side of the wall hole, and the first fresh air duct directly extends out from the air inlet side of the wall hole to the outdoor, avoiding the need to install an extension tube.

Benefits of technology

The new air duct can be connected to the outdoor environment without extension, reducing production and installation costs, while ensuring stable settings of the new air duct and other air conditioning pipelines in the wall holes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The fresh air pipe assembly comprises a first fresh air pipe connector and a first fresh air pipe, the first fresh air pipe connector is provided with an air outlet end and an air inlet end, the air outlet end is located indoors, and the air outlet end is configured to be communicated with a fresh air module of an indoor air conditioner. The air inlet end is configured to extend into the first wall hole from the air outlet side of the first wall hole, and the end face area of the air outlet end of the first fresh air pipe connector is larger than that of the air inlet end of the first fresh air pipe connector. One end of the first fresh air pipe is connected with the air inlet end of the first fresh air pipe connector, and the other end of the first fresh air pipe extends out of the room through the air inlet side of the first wall hole to communicate with the outdoor environment. Based on the technical scheme provided by the utility model, the first fresh air pipe directly extends out of the room to be communicated with the outdoor environment, and compared with an extension pipe, the production cost and the installation cost are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to an air conditioner and a fresh air duct component thereof. Background Art

[0002] As the country becomes increasingly strong and prosperous, people's quality of life has steadily improved. However, as the industry develops, the environment on which people depend for survival has also suffered certain damage. Most people close their windows when they go to work, and their mood is affected by the stuffiness in the room when they get home. Therefore, people are more dependent on the fresh air system, the fresh air function of the air conditioner, and the fresh air volume of the home. Turning on the fresh air in advance before going home from get off work will make them feel happy and beneficial to their health. However, while pursuing a large fresh air volume, due to the design requirements of the air conditioning pipeline, it is necessary to drill fresh air holes on the wall at the same time, but some users do not want to drill holes in the wall, or cannot drill holes due to the wall structure.

[0003] Currently, there is a fresh air duct joint, in which the diameter of one end is larger than the diameter of the other end, and the end with a smaller diameter is connected to a thin fresh air duct in the wall hole so that the thin fresh air duct can pass through the wall hole to the outdoors together with other pipeline lines of the air conditioner. However, in the current design, the fresh air duct is completely located in the wall hole, and an extension pipe needs to be added to the fresh air duct to extend to the outdoors to improve the air intake efficiency, which leads to high production and installation costs. Utility Model Content

[0004] One purpose of the utility model is to provide a fresh air duct assembly that does not require drilling. The fresh air duct can be connected to the outdoor environment without the need for an extension pipe, thereby reducing production costs and installation costs.

[0005] A further object of the present invention is to ensure that the fresh air duct and other pipelines of the air conditioner are stably arranged in the wall hole as much as possible.

[0006] Another further purpose of the utility model is to filter out larger debris in the fresh air and to prevent the fresh air duct from backflowing.

[0007] In particular, the utility model provides a new air duct assembly, which includes:

[0008] A first fresh air pipe joint, comprising an air outlet end and an air inlet end, wherein the air outlet end is located indoors and is configured to communicate with a fresh air module of an indoor air conditioner, and the air inlet end is configured to extend from an air outlet side of a first wall hole into the first wall hole, wherein an end surface area of ​​the air outlet end of the first fresh air pipe joint is larger than an end surface area of ​​its air inlet end;

[0009] A first fresh air duct, wherein one end of the first fresh air duct is configured to be connected to the air inlet end of the first fresh air duct joint, and the other end of the first fresh air duct is configured to extend to the outdoors through the air inlet side of the first wall hole and communicate with the outdoor environment.

[0010] Optionally, the air inlet end of the first fresh air duct connector and the cross-section of the first fresh air duct are semicircular.

[0011] Optionally, the end face diameter of the air inlet end of the first fresh air duct connector is larger than the cross-sectional diameter of the first fresh air duct, and the first fresh air duct connector and the first fresh air duct are connected by plugging and pulling.

[0012] Optionally, the fresh air duct assembly also includes a hood having a semicircular cross-section, the hood being arranged at one end of the first fresh air duct connected to the outdoor environment, and an air inlet grille connected to the outdoor environment being formed on the flat wall of the hood opposite to the curved wall.

[0013] Optionally, the hood and the first fresh air duct are connected by plugging.

[0014] Optionally, the fresh air duct assembly further includes a first telescopic pipe, a second fresh air duct joint, a second fresh air duct, a third fresh air duct joint and a second telescopic pipe, wherein

[0015] The first fresh air duct joint is connected to the first telescopic tube, the second fresh air duct joint, the second fresh air duct, the third fresh air duct joint and the second telescopic tube in sequence, the second telescopic tube is connected to the fresh air module, the first fresh air duct is located in the second wall hole, and the second wall hole and the first wall hole are located on different walls.

[0016] Optionally, the fresh air duct assembly further includes a guard ring, and the guard ring is arranged on the air outlet side of the second wall hole.

[0017] Optionally, the telescopic tube and the fresh air duct joint are connected by a threaded connection.

[0018] Optionally, the fresh air duct assembly further includes a fresh air module connector, and the second telescopic tube is connected to the fresh air module via the fresh air module connector.

[0019] According to another aspect of the utility model, an air conditioner is also provided, comprising an air conditioner indoor unit and a fresh air duct assembly as described in any one of the above items, wherein the air conditioner indoor unit comprises a fresh air module, and the fresh air duct assembly is connected to the fresh air module.

[0020] The fresh air duct assembly proposed in the utility model includes a first fresh air duct joint and a first fresh air duct, wherein the first fresh air duct joint has an air outlet end and an air inlet end, the air outlet end is located indoors, the air outlet end is configured to communicate with the fresh air module of the indoor air conditioner, the air inlet end is configured to extend from the air outlet side of the first wall hole into the first wall hole, and the end face area of ​​the air outlet end of the first fresh air duct joint is larger than the end face area of ​​its air inlet end. One end of the first fresh air duct is configured to be connected to the air inlet end of the first fresh air duct joint, and the other end of the first fresh air duct is configured to extend to the outdoors through the air inlet side of the first wall hole to communicate with the outdoor environment. Based on the technical solution provided by the utility model, the first fresh air duct directly extends to the outdoors to communicate with the outdoor environment, which reduces the production cost and installation cost compared to setting an extension pipe.

[0021] Furthermore, the air inlet end of the first fresh air duct connector and the cross-section of the first fresh air duct are semicircular, and the curved wall of the first fresh air duct is adapted to the shape of the wall of the first wall hole, so that the first fresh air duct in the wall hole and other pipeline lines of the air conditioner can be stably arranged.

[0022] Furthermore, the fresh air duct assembly also includes a hood having a semicircular cross-section. The hood is arranged at one end of the first fresh air duct connected to the outdoor environment. An air inlet grille connected to the outdoor environment is formed on the flat wall of the hood opposite to the curved wall. The air inlet grille of the hood faces downward when installed, thereby filtering out larger suspended matter such as leaves and preventing rainwater from flowing back.

[0023] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below.

[0024] Based on the detailed description of the specific embodiments of the present invention in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other purposes, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0026] Figure 1 It is a structural schematic diagram of a new air duct assembly according to an embodiment of the utility model;

[0027] Figure 2 It is a cross-sectional schematic diagram of a first fresh air duct and other pipelines of an air conditioner passing through a wall according to an embodiment of the utility model;

[0028] Figure 3 It is a structural schematic diagram of a new air duct assembly according to a preferred embodiment of the utility model;

[0029] Figure 4 It is a schematic structural block diagram of an air conditioner according to an embodiment of the utility model. DETAILED DESCRIPTION

[0030] Refer to the following Figures 1 to 4 The air conditioner and the fresh air duct assembly thereof of the embodiment of the utility model are described. The directions or positional relationships indicated by "front", "rear", "upper", "lower", "top", "bottom", "inner", "outer", "lateral", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the utility model.

[0031] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include at least one of the features, that is, include one or more of the features. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may further include other features.

[0032] Figure 1 is a structural schematic diagram of a new air duct assembly 10 according to an embodiment of the utility model;

[0033] Figure 2 It is a cross-sectional schematic diagram showing that the first fresh air duct 120 and other pipelines of the air conditioner pass through a wall according to an embodiment of the utility model.

[0034] See also Figure 1 , 2As shown, the fresh air duct assembly 10 proposed by the utility model includes a first fresh air duct joint 110 and a first fresh air duct 120. The first fresh air duct joint 110 has an air outlet end 111 and an air inlet end 112. The air outlet end 111 of the first fresh air duct joint 110 is located indoors. The air outlet end 111 of the first fresh air duct joint 110 is configured to communicate with the fresh air module 210 of the indoor air conditioner 1. The air inlet end 112 is configured to extend from the air outlet side of the first wall hole 2 into the first wall hole 2. The end surface area of ​​the air outlet end 111 of the first fresh air duct joint 110 is larger than the end surface area of ​​the air inlet end 112 thereof. One end of the first fresh air duct 120 is configured to be connected to the air inlet end 112 of the first fresh air duct joint 110, and the other end of the first fresh air duct 120 is configured to extend to the outdoors through the air inlet side of the first wall hole 2 to communicate with the outdoor environment.

[0035] The air inlet end 112 of the first fresh air pipe joint 110 is an end where fresh air enters, and the air outlet end 111 of the first fresh air pipe joint 110 is an end where fresh air flows into the indoor environment.

[0036] Among them, the air outlet side of the first wall hole 2 is the side connected to the indoor environment, and the air inlet side of the first wall hole 2 is the side connected to the outdoor environment.

[0037] In the embodiment of the utility model, the first fresh air duct joint 110 has an air outlet end 111 and an air inlet end 112, the air outlet end 111 of the first fresh air duct joint 110 is located indoors, the air outlet end 111 of the first fresh air duct joint 110 is configured to communicate with the fresh air module 210 of the indoor air conditioner 1, and the air inlet end 112 is configured to extend from the air outlet side of the first wall hole 2 into the first wall hole 2, wherein the end surface area of ​​the air outlet end 111 of the first fresh air duct joint 110 is greater than the end surface area of ​​the air inlet end 112 thereof. One end of the first fresh air duct 120 is configured to be connected to the air inlet end 112 of the first fresh air duct joint 110, and the other end of the first fresh air duct 120 is configured to extend to the outdoors through the air inlet side of the first wall hole 2 to communicate with the outdoor environment. Based on the technical solution provided by the utility model, the first fresh air duct 120 directly extends to the outdoors to communicate with the outdoor environment, which reduces the production cost and is convenient for workers to install compared to setting an extension pipe, while reducing the installation cost.

[0038] In some preferred or alternative embodiments according to the present invention, the cross-sections of the air inlet end 112 of the first fresh air duct connector 110 and the first fresh air duct 120 are both semicircular.

[0039] The first fresh air duct 120 is a straight pipe with an overall semi-cylindrical shape, and the cross section of the first fresh air duct 120 is semi-circular. The air inlet end 112 of the first fresh air duct joint 110 and the cross section of the first fresh air duct are semi-circular, and the curved wall of the first fresh air duct 120 is adapted to the wall shape of the first wall hole 2, so that the first fresh air duct 120 in the wall hole and other pipelines of the air conditioner can be stably arranged, and the other pipelines of the air conditioner include but are not limited to the online pipe 30, the drainage pipe 40 and the power line 50.

[0040] In some preferred or alternative embodiments of the present invention, the end face diameter of the air inlet end 112 of the first fresh air duct connector 110 is larger than the cross-sectional diameter of the first fresh air duct 120, and the first fresh air duct connector 110 and the first fresh air duct 120 are connected by plugging.

[0041] When the first fresh air duct connector 110 and the first fresh air duct 120 are installed, one end of the first fresh air duct 120 is inserted into the air inlet end 112 of the first fresh air duct connector 110; when the first fresh air duct connector 110 and the first fresh air duct 120 are disassembled, one end of the first fresh air duct 120 connected to the first fresh air duct connector 110 is pulled out from the air inlet end 112 of the first fresh air duct connector 110. Based on the overall structural design, the first fresh air duct connector 110 and the first fresh air duct 120 are easy to install and disassemble, and easy for workers to operate.

[0042] In some preferred or alternative embodiments of the utility model, the fresh air duct assembly 10 also includes a hood 130, the cross-section of the hood 130 is semicircular, the hood 130 is arranged at one end of the first fresh air duct 120 connected to the outdoor environment, and an air inlet grille 131 connected to the outdoor environment is formed on the flat wall of the hood 130 opposite to its curved wall.

[0043] Among them, the overall shape of the wind hood 130 is semi-cylindrical, and an air inlet grille 131 connected to the outdoor environment is formed on the flat wall of the wind hood 130 opposite to its curved wall. The air inlet grille 131 of the wind hood 130 faces downward when installed, so as to filter out larger suspended matter such as leaves and prevent rainwater from backflowing.

[0044] In some preferred or alternative embodiments of the present invention, the hood 130 and the first fresh air duct 120 are connected by plugging and unplugging.

[0045] The hood 130 and the first fresh air duct 120 are connected by plugging and unplugging, which is convenient for installation and disassembly and easy for workers to operate.

[0046] Figure 3 It is a structural schematic diagram of a new air duct assembly 10 according to a preferred embodiment of the utility model.

[0047] See also Figure 3As shown, in some preferred or alternative embodiments according to the utility model, the fresh air duct assembly 10 also includes a first telescopic tube 140, a second fresh air duct joint 150, a second fresh air duct 160, a third fresh air duct joint 170 and a second telescopic tube 180, wherein the first fresh air duct joint 110 is connected to the first telescopic tube 140, the second fresh air duct joint 150, the second fresh air duct 160, the third fresh air duct joint 170 and the second telescopic tube 180 in sequence, the second telescopic tube 180 is connected to the fresh air module 210, the first fresh air duct 120 is located in the second wall hole (not shown in the figure), and the second wall hole (not shown in the figure) and the first wall hole 2 are located on different walls.

[0048] Among them, for the user's home, there is a situation where the fresh air duct needs to pass through two walls to reach the outdoors. At this time, in addition to the first fresh air duct joint 110 and the first fresh air duct 120, the fresh air duct assembly 10 also includes a first telescopic tube 140, a second fresh air duct joint 150, a second fresh air duct 160, a third fresh air duct joint 170 and a second telescopic tube 180. The first fresh air duct joint 110 is connected to the first telescopic tube 140, the second fresh air duct joint 150, the second fresh air duct 160, the third fresh air duct joint 170 and the second telescopic tube 180 in sequence, the second telescopic tube 180 is connected to the fresh air module 210, and the first fresh air duct 120 is located in the second wall hole, so that the air conditioner 1 obtains outdoor air through two walls.

[0049] Among them, the first fresh air duct joint 110, the second fresh air duct joint 150 and the third fresh air duct joint 170 have the same structure.

[0050] The first telescopic tube 140 and the second telescopic tube 190 have the same structure.

[0051] Among them, the first telescopic tube 140 and the second telescopic tube 190 are spiral hoses. The first telescopic tube 140 and the second telescopic tube 180 can be stretched so that they can be bent in scenes where turning is required to meet actual needs. In addition, the diameter of the telescopic tube can be selected to be 80 mm. Such a thicker design can meet the demand for large fresh air volume.

[0052] Among them, the diameter of the fresh air duct can be selected as 62mm, which is the standard punching size for the installation of cabinet air conditioners. It is wrapped together with other pipeline lines of the air conditioner, condensate drain pipes, and power cords and passed through the wall.

[0053] In some preferred or alternative embodiments according to the present invention, the new air duct assembly 10 further includes a guard ring 200, and the guard ring 200 is arranged on the air outlet side of the second wall hole.

[0054] If the first wall hole 2 is located on the first wall, the second wall hole is located on the second wall, and the first wall and the second wall are arranged in parallel, then the air outlet side of the second wall hole is the side away from the first wall.

[0055] Among them, the protective ring 200 can be optionally designed in two sections, which can be combined together by snapping, and the assembled shape is a circular ring. The setting of the protective ring 200 in this embodiment can block the air outlet side of the second wall hole, which plays an aesthetic role.

[0056] In some preferred or alternative embodiments of the present invention, the telescopic tube and the fresh air duct joint are connected by threaded connection.

[0057] Among them, the fresh air duct and the fresh air duct joint are connected by threaded connection, which makes installation and disassembly convenient and easy for workers to operate.

[0058] In some preferred or alternative embodiments according to the present invention, the fresh air duct assembly 10 further includes a fresh air module connector 190 , wherein the second telescopic tube 180 is connected to the fresh air module 210 via the fresh air module connector 190 .

[0059] Based on the same inventive concept, the utility model also proposes an air conditioner 1, Figure 4 1 is a schematic structural block diagram of an air conditioner 1 according to an embodiment of the present invention. Figure 4 As shown, the air conditioner 1 includes an air conditioner indoor unit 20 and a fresh air duct assembly 10 as in any of the above embodiments, wherein the air conditioner indoor unit 20 includes a fresh air module 210, and the fresh air duct assembly 10 and the fresh air module 210 are connected.

[0060] The utility model proposes an air conditioner 1 and a fresh air duct assembly 10 thereof, wherein the fresh air duct assembly 10 comprises a first fresh air duct joint 110 and a first fresh air duct 120, wherein the first fresh air duct joint 110 has an air outlet 111 and an air inlet 112, the air outlet 111 is located indoors, the air outlet 111 is configured to communicate with a fresh air module 210 of the indoor air conditioner 1, the air inlet 112 is configured to extend from the air outlet side of the first wall hole 2 into the first wall hole 2, and the end surface area of ​​the air outlet 111 of the first fresh air duct joint 110 is larger than the end surface area of ​​the air inlet 112 thereof. One end of the first fresh air duct 120 is configured to be connected to the air inlet 112 of the first fresh air duct joint 110, and the other end of the first fresh air duct 120 is configured to extend to the outdoors through the air inlet side of the first wall hole 2 and communicate with the outdoor environment. Based on the technical solution provided by the utility model, the first fresh air duct 120 directly extends to the outside to communicate with the outdoor environment. Compared with setting an extension pipe, it reduces the production cost and is convenient for workers to install, while reducing the installation cost.

[0061] Furthermore, the cross-sections of the air inlet end 112 of the first fresh air duct joint 110 and the first fresh air duct 120 are semicircular, and the curved wall of the first fresh air duct 120 is adapted to the wall shape of the first wall hole 2 so that the first fresh air duct 120 and other pipeline lines of the air conditioner in the wall hole can be stably arranged.

[0062] Furthermore, the fresh air duct assembly 10 also includes a hood 130, the cross-section of which is semicircular. The hood 130 is arranged at one end of the first fresh air duct 120 that is connected to the outdoor environment. An air inlet grille 131 that is connected to the outdoor environment is formed on the flat wall of the hood 130 opposite to the curved wall, wherein the air inlet grille 131 of the hood 130 faces downward during installation, thereby filtering out larger suspended matter such as leaves and preventing rainwater from flowing back.

[0063] Furthermore, the end face diameter of the air inlet end 112 of the first fresh air duct joint 110 is larger than the cross-sectional diameter of the first fresh air duct 120, and the first fresh air duct joint 110 and the first fresh air duct 120 are connected by plugging and unplugging. When installing the first fresh air duct joint 110 and the first fresh air duct 120, one end of the first fresh air duct 120 is inserted into the air inlet end of the first fresh air duct joint 110; when disassembling the first fresh air duct joint 110 and the first fresh air duct 120, the end of the first fresh air duct 120 connected to the first fresh air duct joint 110 is pulled out from the first fresh air duct joint 110. Based on the overall structural design, the first fresh air duct joint 110 and the first fresh air duct 120 are easy to install and disassemble, and easy for workers to operate.

[0064] Furthermore, for the situation that the fresh air duct in the user's home needs to pass through two walls to reach the outdoors, in this case, in addition to the first fresh air duct joint 110 and the first fresh air duct 120, the fresh air duct assembly 10 also includes a first telescopic tube 140, a second fresh air duct joint 150, a second fresh air duct 160, a third fresh air duct joint 170 and a second telescopic tube 180. The first fresh air duct joint 110 is connected to the first telescopic tube 140, the second fresh air duct joint 150, the second fresh air duct 160, the third fresh air duct joint 170 and the second telescopic tube 180 in sequence, the second telescopic tube 180 is connected to the fresh air module 210, and the first fresh air duct 120 is located in the second wall hole, so that the air conditioner 1 obtains outdoor air through two walls.

[0065] Furthermore, the fresh air duct assembly 10 further includes a guard ring 200, which is arranged on the air outlet side of the second wall hole. The setting of the guard ring 200 can shield the air outlet side of the second wall hole, play a role in aesthetics, and improve user experience.

[0066] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived from the contents disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A new air duct assembly, characterized in that: include: A first fresh air pipe joint, comprising an air outlet end and an air inlet end, wherein the air outlet end is located indoors and is configured to communicate with a fresh air module of an indoor air conditioner, and the air inlet end is configured to extend from an air outlet side of a first wall hole into the first wall hole, wherein an end surface area of ​​the air outlet end of the first fresh air pipe joint is larger than an end surface area of ​​its air inlet end; A first fresh air duct, wherein one end of the first fresh air duct is configured to be connected to the air inlet end of the first fresh air duct joint, and the other end of the first fresh air duct is configured to extend to the outdoors through the air inlet side of the first wall hole and communicate with the outdoor environment.

2. The new air duct assembly according to claim 1, characterized in that The air inlet end of the first fresh air duct joint and the cross section of the first fresh air duct are semicircular.

3. The new air duct assembly according to claim 2, characterized in that The end face diameter of the air inlet end of the first fresh air duct connector is larger than the cross-sectional diameter of the first fresh air duct, and the first fresh air duct connector and the first fresh air duct are connected by plugging and pulling.

4. The new air duct assembly according to claim 2, characterized in that The fresh air duct assembly also includes a hood having a semicircular cross-section. The hood is arranged at one end of the first fresh air duct connected to the outdoor environment. An air inlet grille connected to the outdoor environment is formed on the flat wall of the hood opposite to the curved wall.

5. The new air duct assembly according to claim 4, characterized in that The hood and the first fresh air duct are connected by plugging and unplugging.

6. The new air duct assembly according to claim 1, characterized in that The fresh air duct assembly also includes a first telescopic pipe, a second fresh air duct joint, a second fresh air duct, a third fresh air duct joint and a second telescopic pipe, wherein The first fresh air duct joint is connected to the first telescopic tube, the second fresh air duct joint, the second fresh air duct, the third fresh air duct joint and the second telescopic tube in sequence, the second telescopic tube is connected to the fresh air module, the first fresh air duct is located in the second wall hole, and the second wall hole and the first wall hole are located on different walls.

7. The new air duct assembly according to claim 6, characterized in that The fresh air duct assembly also includes a guard ring, which is arranged on the air outlet side of the second wall hole.

8. The new air duct assembly according to claim 6, characterized in that The telescopic pipe and the fresh air pipe joint are connected by threaded connection.

9. The new air duct assembly according to claim 6, characterized in that The fresh air duct assembly also includes a fresh air module joint, and the second telescopic tube is connected to the fresh air module via the fresh air module joint.

10. An air conditioner, characterized in that: It comprises an air-conditioning indoor unit and a fresh air duct assembly as described in any one of claims 1 to 9, wherein the air-conditioning indoor unit comprises a fresh air module, and the fresh air duct assembly is connected to the fresh air module.