CN221005259U

CN221005259U - Air conditioner

Info

Publication number: CN221005259U
Application number: CN202322506322.0U
Authority: CN
Inventors: 李传奇; 刘德昌; 黄满良; 张蕾
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-05-24
Anticipated expiration: 2033-09-14

Abstract

The application relates to the technical field of air conditioners, and discloses an air conditioner, which comprises: the fresh air module is provided with a fresh air port; the fresh air pipe is used for communicating the fresh air port and the outdoor space, and the inner diameter of the fresh air pipe is smaller than that of the fresh air port; a first partition plate is arranged in the new air pipe and extends along the axial direction of the new air pipe so as to divide the internal space of the new air pipe into a first air channel and a second air channel; the first port of the transition pipe is communicated with the fresh air port, and the second port of the transition pipe is communicated with the fresh air pipe; a second partition plate is arranged in the transition pipe and extends along the axial direction of the transition pipe so as to divide the inner space of the transition pipe into a first communication cavity correspondingly communicated with the first air duct and a second communication cavity correspondingly communicated with the second air duct; wherein, along the first port to the second port of transition pipe, the internal diameter of transition pipe reduces gradually. The sectional area of the junction of the fresh air module and the fresh air pipe is gradually changed, so that air flow can smoothly enter the fresh air module/the fresh air pipe, and noise at the junction is reduced.

Description

Air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to an air conditioner.

Background

At present, people pay more and more attention to the quality of daily living environments. Indoor decoration materials, furniture, even goods of furniture, food and other gases can cause poor indoor air quality, influence life and health of people, and air purification is increasingly paid attention to. Therefore, more and more air conditioners are equipped with a fresh air module through which outdoor fresh air is introduced to improve indoor air quality.

In the related art, the air conditioner includes a fresh air module and a fresh air duct. A fresh air cavity is arranged in the fresh air module, a fresh air port communicated with the fresh air cavity is arranged on the wall body of the fresh air module, one end of the fresh air pipe is connected with the fresh air port, and the other end of the fresh air pipe extends to the outdoor space.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in the related art, at the junction of new trend chamber and fresh air pipe, the cross sectional area of wind path diminishes suddenly, and the wind speed increases suddenly, leads to the air current to the impact of this junction great, produces the noise easily, influences user's use experience.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of utility model

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides an air conditioner, the internal diameter of fresh air inlet is greater than the internal diameter of fresh air pipe to set up the transition pipe, make the cross sectional area of fresh air module and fresh air pipe junction change gradually, be favorable to making the air current get into fresh air module/fresh air pipe more gently, reduce the noise of junction.

In some embodiments, an air conditioner includes: the fresh air module is provided with a fresh air port; the fresh air pipe is used for communicating the fresh air port and the outdoor space, and the inner diameter of the fresh air pipe is smaller than that of the fresh air port; a first partition plate is arranged in the new air pipe and extends along the axial direction of the new air pipe so as to divide the internal space of the new air pipe into a first air channel and a second air channel; the first port of the transition pipe is communicated with the fresh air port, and the second port of the transition pipe is communicated with the fresh air pipe; a second partition plate is arranged in the transition pipe and extends along the axial direction of the transition pipe so as to divide the inner space of the transition pipe into a first communication cavity correspondingly communicated with the first air duct and a second communication cavity correspondingly communicated with the second air duct; wherein, along the first port to the second port of transition pipe, the internal diameter of transition pipe reduces gradually.

In some embodiments, the edge of the second port extends toward a side away from the transition tube to form a first fixation portion; wherein, the one end of new tuber pipe is provided with the go-between, and the go-between is used for the cover to establish at first fixed part to connect new tuber pipe and transition pipe.

In some embodiments, the outer wall surface of the first fixing portion is provided with a plurality of protrusions, and the connection ring is provided with a plurality of mounting holes in a one-to-one correspondence, and the protrusions are adapted to be inserted into the corresponding mounting holes.

In some embodiments, the mounting hole includes a fixed portion, a first communicating portion, and a second communicating portion that communicate in sequence; wherein, the inner diameter of the fixed part is matched with the outer diameter of the bulge; the first communicating part extends along the circumferential direction of the first fixing part; the second communication part extends along the axial direction of the first fixing part towards one side far away from the fresh air pipe, and a mounting opening is formed at the edge of the first fixing part.

In some embodiments, the connecting ring further comprises a fixing block, wherein the fixing block is arranged on the outer wall surface of the connecting ring and connected with the wall bodies of the connecting ring at two sides of the mounting opening, so that the wall bodies at the mounting opening are prevented from being deformed.

In some embodiments, the protrusions are evenly distributed along the circumference of the first fixation portion; and/or each protrusion is provided with a threaded hole with an opening facing upwards.

In some embodiments, the edge of the first port extends toward a side away from the transition tube to form a second fixation portion; the edge of the fresh air port extends outwards to form a connecting part; the second fixing part is used for being sleeved on the connecting part so as to connect the fresh air port and the transition pipe.

In some embodiments, the fresh air module comprises: the air box is provided with the fresh air port; the wind shield is arranged in the wind box and can be controlled to move so as to shield or open the fresh wind gap.

In some embodiments, the bellows includes a first bellows wall; the wind shield can slide along the height direction of the first air box wall, and the fresh air module further comprises a driving assembly; the drive assembly includes: the motor is arranged on the first air box wall; the gear is arranged on the first bellows wall and is connected with an output shaft of the motor so as to be driven to rotate; and the rack is arranged on the wind shield and can be meshed with the gear so as to slide along the height direction of the first bellows wall under the driving of the gear.

In some embodiments, the first bellows wall is configured with a gear mounting hole into which the gear is adapted to be inserted; and/or the outer wall surface of the first bellows wall is configured with a motor mounting groove, the motor being adapted to be embedded in the motor mounting groove.

The air conditioner provided by the embodiment of the disclosure can realize the following technical effects:

The air conditioner provided by the embodiment of the disclosure comprises a fresh air module, a fresh air pipe and a transition pipe. The internal diameter of the fresh air port of fresh air module is greater than the internal diameter of fresh air pipe, and the first port and the fresh air port intercommunication of transition pipe, the second port and the fresh air pipe intercommunication of transition pipe follow the first port to the second port of transition pipe, and the internal diameter of transition pipe reduces gradually. Through making the internal diameter of fresh air inlet be greater than the internal diameter of fresh air pipe to set up the transition pipe, can make the cross sectional area of fresh air module and fresh air pipe junction gradually change, be favorable to making the air current get into fresh air module/fresh air pipe more gently, reduce the noise of junction.

In addition, through setting up first division board in the fresh air pipe, separate the inner space of fresh air pipe into first wind channel and second wind channel, fresh air module's air inlet and air-out share a fresh air pipe. In the installation process of the air conditioner provided by the embodiment of the disclosure, only one hole is formed in the wall body to enable the fresh air pipe to pass through, so that damage to the wall body can be reduced, and the installation efficiency of the air conditioner is improved. In addition, the gas in the first air duct and the second air duct can exchange heat, so that the heat/cold in the discharged indoor gas can be recovered conveniently, and the outdoor fresh air introduced by the heat/cold and heating/cooling in the discharged indoor gas is utilized, so that the comfort level of the introduced outdoor fresh air is improved, and the energy efficiency of the air conditioner is improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

fig. 1 is a schematic view of a partial structure of an air conditioner according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a partial structure of a fresh air module according to an embodiment of the disclosure;

FIG. 3 is a schematic view of a transition duct according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a partial structure of a new duct according to an embodiment of the present disclosure;

Fig. 5 is a schematic view of a partial structure of another air conditioner according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a partial structure of another new duct according to an embodiment of the present disclosure;

fig. 7 is a schematic view of the structure of fig. 2 at another view angle.

Reference numerals:

100. A fresh air module; 101. a new wind gap; 102. a wind deflector; 103. a first bellows wall; 1032. a gear mounting hole; 1033. a motor mounting groove; 104. a motor; 105. a gear;

200. A new air pipe; 201. a first partition plate; 202. a connecting ring; 2021. a mounting hole; 2022. a fixing part; 2023. a first communication section; 2024. a second communication portion; 2025. a mounting opening; 2026. a fixed block;

300. a transition pipe; 301. a second partition plate; 302. a first fixing portion; 3021. a protrusion.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged where appropriate in order to describe the presently disclosed embodiments. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

As shown in fig. 1 to 3, an air conditioner according to an embodiment of the present disclosure includes a fresh air module 100, a fresh air duct 200, and a transition duct 300.

The fresh air module 100 is configured with a fresh air port 101.

The fresh air pipe 200 is used for communicating the fresh air port 101 with the outdoor space, and the inner diameter of the fresh air pipe 200 is smaller than the inner diameter of the fresh air port 101. A first partition plate 201 is disposed in the fresh air duct 200, and the first partition plate 201 extends along an axial direction of the fresh air duct 200 to partition an inner space of the fresh air duct 200 into a first air duct and a second air duct.

The first port of the transition pipe 300 is communicated with the fresh air port 101, and the second port of the transition pipe 300 is communicated with the fresh air pipe 200. The transition pipe 300 is provided therein with a second partition plate 301, and the second partition plate 301 extends along an axial direction of the transition pipe 300 to partition an inner space of the transition pipe 300 into a first communication cavity corresponding to the first air duct and a second communication cavity corresponding to the second air duct. Wherein the inner diameter of the transition tube 300 gradually decreases along the first port to the second port of the transition tube 300.

The air conditioner provided by the embodiment of the present disclosure includes a fresh air module 100, a fresh air duct 200, and a transition duct 300. The inner diameter of the fresh air port 101 of the fresh air module 100 is larger than that of the fresh air pipe 200, a first port of the transition pipe 300 is communicated with the fresh air port 101, a second port of the transition pipe 300 is communicated with the fresh air pipe 200, and the inner diameter of the transition pipe 300 gradually decreases from the first port to the second port of the transition pipe 300. Through making the internal diameter of new trend mouth 101 be greater than the internal diameter of new trend pipe 200 to set up transition pipe 300, can make the cross sectional area of new trend module 100 and new tuber pipe 200 junction gradually change, be favorable to making the air current get into new trend module 100/new tuber pipe 200 more gently, reduce the noise of junction.

Meanwhile, the first partition plate 201 is arranged in the fresh air pipe 200 to partition the internal space of the fresh air pipe 200 into a first air channel and a second air channel, and the fresh air pipe 200 is shared by the air inlet and the air outlet of the fresh air module 100. In the installation process of the air conditioner provided by the embodiment of the disclosure, only one hole is formed in the wall body to enable the new air pipe 200 to pass through, so that damage to the wall body can be reduced, and the installation efficiency of the air conditioner is improved. In addition, the gas in the first air duct and the second air duct can exchange heat, so that the heat/cold in the discharged indoor gas can be recovered conveniently, and the outdoor fresh air introduced by the heat/cold and heating/cooling in the discharged indoor gas is utilized, so that the comfort level of the introduced outdoor fresh air is improved, and the energy efficiency of the air conditioner is improved.

Alternatively, the first partition plate 201 is provided as a heat conductive material. The arrangement is beneficial to improving the gas heat exchange effect between the first air duct and the second air duct. The heat conducting material comprises metallic copper, metallic aluminum, heat conducting silica gel and the like.

In some embodiments, as shown in connection with fig. 3 and 4, the edge of the second port of the transition tube 300 extends toward a side away from the transition tube 300 to form the first securing portion 302. One end of the new air duct 200 is provided with a connecting ring 202, and the connecting ring 202 is used for being sleeved on the first fixing portion 302 to connect the new air duct 200 and the transition duct 300.

Through setting up first fixed part 302 in the second port department of transition pipe 300, set up go-between 202 in the one end of new trend pipe, locate first fixed part 302 with go-between 202 cover and can connect transition pipe 300 and new tuber pipe 200, it is comparatively convenient.

In some embodiments, as shown in fig. 3, fig. 5 and fig. 6, the outer wall surface of the first fixing portion 302 is provided with a plurality of protrusions 3021, the connection ring 202 of the new air duct is provided with a plurality of mounting holes 2021, the mounting holes 2021 are in one-to-one correspondence with the protrusions 3021, and the protrusions 3021 are adapted to be inserted into the corresponding mounting holes 2021. So configured, it is convenient to connect the first fixing portion 302 and the fresh air duct.

In some embodiments, as shown in connection with fig. 1, the mounting hole 2021 includes a fixing portion 2022, a first communication portion 2023, and a second communication portion 2024 that communicate in order. Wherein the inside diameter of the fixation portion 2022 matches the outside diameter of the protrusion 3021; the first communication portion 2023 extends in the circumferential direction of the first fixing portion 302; the second communication portion 2024 extends in the axial direction of the first fixing portion 302 toward a side away from the fresh air duct 200, and a mounting opening 2025 is formed at the edge of the first fixing portion 302.

By this arrangement, the connection between the transition duct 300 and the fresh air duct 200 can be simplified. Specifically, during the connection process of the new air duct 200, the mounting opening 2025 on the new air duct 200 is aligned with the protrusion 3021 on the first fixing portion 302, then a force directed towards the transition duct 300 is applied to the new air duct 200, so that the protrusion 3021 enters the first communication portion 2023 along the second communication portion 2023, after the protrusion 3021 enters the first communication portion 2023, the new air duct 200 is rotated, so that the protrusion 3021 is clamped in the fixing portion 2022, and the connection between the new air duct 200 and the transition duct 300 can be completed.

In some embodiments, as shown in connection with fig. 6, the attachment ring 202 also includes a securing block 2026. The fixing block 2026 is disposed on the outer wall surface of the connection ring 202, and the fixing block 2026 is connected to the wall of the connection ring 202 at two sides of the mounting opening 2024, so as to prevent the wall at the mounting opening 2024 from deforming.

By providing the fixing holes 2026, the fixing holes 2026 connect the wall bodies of the connection ring 202 on both sides of the mounting opening 2024, which is advantageous in preventing the wall bodies at the mounting opening 2024 from being deformed, thereby improving the connection strength between the connection ring 202 and the transition pipe 300.

In some embodiments, as shown in connection with fig. 3, the protrusions 3021 are evenly distributed along the circumference of the first fixing portion 302. This arrangement is advantageous in ensuring the strength of the connection between the connection ring 202 and the transition pipe 300.

In some embodiments, each protrusion 3021 is provided with a threaded hole opening upward. By arranging the threaded holes, the connecting ring 202 and the transition pipe 300 are further fixed by the matched connecting piece, and the connection strength between the new air pipe 200 and the transition pipe 300 is ensured.

In some embodiments, the edge of the first port of the transition tube 300 extends toward a side away from the transition tube 300 to form a second fixation portion. The rim of the fresh air port 101 extends outwardly to form a connection. The second fixing portion is used for being sleeved on the connecting portion to connect the fresh air port 101 and the transition pipe 300. By providing the second fixing portion and the connecting portion, it is convenient to connect the fresh air port 101 and the transition duct 300.

In some embodiments, as shown in connection with FIG. 7, the fresh air module 100 includes a bellows and a wind deflector 102. The bellows is provided with a fresh air opening 101. The wind deflector 102 is provided in the bellows, and the wind deflector 102 can be controlled to move to block or open the fresh air port 101.

Because the fresh air pipe is communicated with the outdoor, under the condition of severe outdoor environment, outdoor wind and outdoor dirt can flow back into the room along the fresh air pipe, so that pollution is caused. Under the condition that the fresh air module does not work, the wind shield 102 slides to the fresh air port 101 to shield the fresh air port 101, so that outside air is prevented from flowing back into the air conditioner from the fresh air port 101. In the case where the fresh air module is operated, the wind deflector 102 slides away from the fresh air port 101 to open the fresh air port 101, to suck fresh air from the outside through the fresh air port 101, or to discharge indoor air to the outside through the fresh air port 101.

In some embodiments, as shown in connection with fig. 5, 7 and 2, the bellows comprises a first bellows wall 103. The wind deflector 102 is slidable in the height direction of the first bellows wall 103, and the fresh air module 100 further comprises a drive assembly.

The drive assembly includes a motor 104, a gear 105 and a rack. The motor 104 is provided to the first bellows wall 103. A gear 105 is provided to the first bellows wall 103, and the gear 105 is connected to an output shaft of the motor 104 to be driven to rotate. The rack is provided to the wind deflector 102, and the rack is capable of meshing with the gear 105 so as to slide in the height direction of the first bellows wall 103 under the drive of the gear 105.

The motor 104 drives the gear 105 to roll through the output shaft, the rack is meshed with the gear 105, and the rack slides along the height direction of the first bellows wall 103 under the driving of the gear 105, so that the wind shield 102 is driven to slide along the height direction of the first bellows wall 103. By providing a drive assembly, it is facilitated to drive the wind deflector 102 to slide in the height direction of the first bellows wall 103. The wind shield 102 slides downwards to the fresh air port 101, so that the fresh air port 101 can be shielded; the wind shield 102 slides upwards to leave the fresh air port 101, so that the fresh air port 101 can be avoided, and the structure is simple and easy to realize.

In some embodiments, as shown in connection with fig. 2 and 5, the first bellows wall 103 is configured with a gear mounting hole 1032, and the gear 105 is adapted to be inserted into the gear mounting hole 1032. Through setting up gear mounting hole 1032, be convenient for install the gear, can reduce the shared space of gear simultaneously, reduce the thickness of new trend module.

In some embodiments, as shown in connection with fig. 2 and 5, the outer wall surface of the first bellows wall 103 is configured with motor mounting grooves 1033, and the motor 104 is adapted to be embedded in the motor mounting grooves 1033. So set up, the piece motor 104 sets up in the outside of new trend module, and the outer wall of embedding first bellows wall 103 is favorable to reducing the space that motor 104 occupy, reduces the thickness of new trend module.

In some embodiments, the fresh air module includes a bi-directional fresh air change mode, where the fresh air module discharges indoor air while introducing outdoor fresh air. The outdoor fresh air is discharged to the outside through the first air duct/the second air duct, and meanwhile, the indoor air is introduced into the room through the second air duct/the first air duct. The outdoor fresh air and the indoor air exchange heat through the first partition plate 201.

For the indoor with better tightness, when outdoor fresh air is introduced, the indoor air pressure is gradually increased, and the indoor air can only flow outdoors through the gaps of doors and windows, so that the imbalance of indoor and outdoor air pressure is easily caused, and the efficiency of introducing fresh air is influenced. Through making new trend module include two-way fresh air mode of changing, new trend module can introduce outdoor new trend and exhaust indoor air simultaneously, is favorable to improving air purification efficiency.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An air conditioner, comprising:

The fresh air module is provided with a fresh air port;

The fresh air pipe is used for communicating the fresh air port and the outdoor space, and the inner diameter of the fresh air pipe is smaller than that of the fresh air port; a first partition plate is arranged in the new air pipe and extends along the axial direction of the new air pipe so as to divide the internal space of the new air pipe into a first air channel and a second air channel;

The first port of the transition pipe is communicated with the fresh air port, and the second port of the transition pipe is communicated with the fresh air pipe; a second partition plate is arranged in the transition pipe and extends along the axial direction of the transition pipe so as to divide the inner space of the transition pipe into a first communication cavity correspondingly communicated with the first air duct and a second communication cavity correspondingly communicated with the second air duct; wherein, along the first port to the second port of transition pipe, the internal diameter of transition pipe reduces gradually.

2. The air conditioner of claim 1, wherein an edge of the second port extends toward a side away from the transition duct to form a first fixing portion;

Wherein, the one end of new tuber pipe is provided with the go-between, and the go-between is used for the cover to establish at first fixed part to connect new tuber pipe and transition pipe.

3. The air conditioner of claim 2, wherein the outer wall surface of the first fixing portion is provided with a plurality of protrusions, the connection ring is provided with a plurality of mounting holes in one-to-one correspondence, and the protrusions are adapted to be inserted into the corresponding mounting holes.

4. The air conditioner of claim 3, wherein the mounting hole includes a fixing portion, a first communicating portion, and a second communicating portion that communicate in sequence;

Wherein, the inner diameter of the fixed part is matched with the outer diameter of the bulge; the first communicating part extends along the circumferential direction of the first fixing part; the second communication part extends along the axial direction of the first fixing part towards one side far away from the fresh air pipe, and a mounting opening is formed at the edge of the first fixing part.

5. The air conditioner of claim 4, wherein the connection ring further comprises a fixing block disposed on an outer wall surface of the connection ring and connected to the wall of the connection ring at both sides of the installation opening to prevent the wall at the installation opening from being deformed.

6. The air conditioner as claimed in claim 3, wherein the protrusions are uniformly distributed along a circumferential direction of the first fixing portion; and/or each protrusion is provided with a threaded hole with an opening facing upwards.

7. The air conditioner according to any one of claims 1 to 6, wherein an edge of the first port extends toward a side away from the transition duct to form a second fixing portion; the edge of the fresh air port extends outwards to form a connecting part; the second fixing part is used for being sleeved on the connecting part so as to connect the fresh air port and the transition pipe.

8. The air conditioner according to any one of claims 1 to 6, wherein the fresh air module includes:

The air box is provided with the fresh air port;

The wind shield is arranged in the wind box and can be controlled to move so as to shield or open the fresh wind gap.

9. The air conditioner of claim 8, wherein the bellows includes a first bellows wall; the wind shield can slide along the height direction of the first air box wall, and the fresh air module further comprises a driving assembly;

the drive assembly includes:

the motor is arranged on the first air box wall;

The gear is arranged on the first bellows wall and is connected with an output shaft of the motor so as to be driven to rotate; and, a step of, in the first embodiment,

The rack is arranged on the wind shield and can be meshed with the gear so as to slide along the height direction of the first bellows wall under the driving of the gear.

10. The air conditioner of claim 9, wherein the first bellows wall is configured with a gear mounting hole, the gear being adapted to be inserted into the gear mounting hole; and/or the outer wall surface of the first bellows wall is configured with a motor mounting groove, the motor being adapted to be embedded in the motor mounting groove.