CN222504184U - Fresh air module and air conditioner - Google Patents

Abstract

The utility model provides a fresh air module and an air conditioner. The base defines a wind wheel accommodating cavity, a first sub-air duct and a second sub-air duct which are respectively positioned at two sides of the wind wheel accommodating cavity in a first direction, and a third sub-air duct which is positioned at one side of the wind wheel accommodating cavity in a second direction. Wherein the first direction and the second direction are perpendicular. The first sub-air duct is connected with the first air opening and is configured to be communicated with the outdoor space. The second sub-air duct is connected with the second air opening and is configured to be communicated with the indoor space. The third sub-air duct is connected with the third air opening so as to be configured to be communicated with the indoor space. The wind wheel is arranged in the wind wheel accommodating cavity and is at least configured to discharge air from the third sub-air duct under the condition of air inlet from the first sub-air duct and the second sub-air duct. The fresh air module and the air conditioner provided by the utility model can solve the problem of local heat rapid flow rate caused by direct air exchange between an indoor unit and an outdoor unit of the existing air conditioner, and achieve the purpose of improving user experience.

Description

Fresh air module and air conditioner

Technical Field

The utility model relates to the technical field of air treatment, in particular to a fresh air module and an air conditioner.

Background

With the increasing deterioration of urban air quality (such as the influence of automobile exhaust, kitchen fume exhaust of restaurant and industrial waste gas discharged from surrounding factories), the air quality of outdoor environment in cities is also deteriorated, so that more air pollutants can be brought to indoor environment while fresh air enters the room under the condition of adopting the traditional indoor air purification mode of windowing ventilation, and the effect of windowing ventilation is further the opposite. Especially in the newly-installed repair house, because long-time windowing ventilation is needed to discharge formaldehyde matters volatilized by the indoor decoration materials, more air pollutants enter the indoor environment along with fresh air can be obtained.

The utility model provides an air conditioner indoor unit with new trend function, set up the fan that can positive and negative rotation in its new trend wind channel to through the mode that switches the fan and turn to, realize sending into the new trend indoor, and the outdoor purpose of indoor air discharge. However, under the condition of large indoor and outdoor temperature difference, the ventilation mode can lead to that outdoor fresh air enters the room in a large amount, or that indoor heat exchange air is discharged from the room in a large amount, so that local heat of the indoor environment is quickly lost, and further, the temperature uniformity of the indoor space is poor, and poor experience is brought to users.

Disclosure of utility model

In view of the above problems, the present utility model is provided to provide a fresh air module and an air conditioner that overcome the above problems or at least partially solve the above problems, and can solve the problem of local heat rapid flow rate caused by direct air exchange between an indoor unit and an outdoor unit of the existing air conditioner, so as to achieve the purpose of improving user experience.

Specifically, the utility model provides a fresh air module, which comprises:

The wind wheel device comprises a base, a wind wheel accommodating cavity, a first sub-air duct, a second sub-air duct and a third sub-air duct, wherein the first sub-air duct and the second sub-air duct are respectively arranged on two sides of the wind wheel accommodating cavity in a first direction, and the third sub-air duct is arranged on one side of the wind wheel accommodating cavity in a second direction;

The wind wheel is arranged in the wind wheel accommodating cavity and is at least configured to discharge air from the third sub-air duct under the condition of air inlet from the first sub-air duct and the second sub-air duct.

Optionally, the wind wheel is a wind wheel of a reversible fan, and is further configured to intake air from the first sub-air duct and/or the second sub-air duct in at least one turning state, and intake air from the second sub-air duct and/or the third sub-air duct and exhaust air from the first sub-air duct in another turning state.

Optionally, a filter assembly is disposed in the first sub-air duct and/or the second sub-air duct, so as to filter air flowing through the first sub-air duct and/or the second sub-air duct.

Optionally, the wind wheel is a centrifugal wind wheel or an inclined flow wind wheel.

Optionally, an air door mechanism is arranged on the first air port and/or the second air port and used for controlling the opening and closing of the first air port and/or the second air port.

Optionally, the third sub-duct includes:

The first air duct section is connected with the wind wheel accommodating cavity and is positioned at one side of the wind wheel accommodating cavity in the second direction;

The second air duct section is connected to one end of the first air duct section far away from the wind wheel accommodating cavity and is positioned on one side of the first air duct section in the first direction;

A third air duct section connected to one end of the first air duct section away from the wind wheel accommodating chamber and located on the other side of the first air duct section in the first direction, and

The first air duct section, the second air duct section, and the third air duct section define a T-shaped air duct structure.

Optionally, an air guide protrusion protruding towards the first air duct section is formed on an air duct wall on a side far away from the first air duct section at a joint part of the second air duct section and the third air duct section, so that one part of air flow discharged from the first air duct section is forced to enter the second air duct section, and the other part of air flow enters the third air duct section.

Optionally, the second duct section and the third duct section each extend in the first direction, and

The second air duct section and/or the third air duct section are/is formed at least at the position connected with the air guide protrusion, and the air duct section area is a reducing section which gradually increases along the direction away from the air guide protrusion in the first direction.

Optionally, the first direction is a front-to-back direction and the second direction is a vertical direction, and

The third sub-air duct is positioned on the upper side of the wind wheel accommodating cavity.

The utility model also provides an air conditioner, comprising:

A housing defining a heat exchange air duct to exchange heat of air in the indoor space;

The fresh air module according to any one of the above claims is connected or integrally arranged on the casing and is arranged or connected with the heat exchange air duct relatively independently.

In the fresh air module and the air conditioner, the fresh air module comprises a first air port sub-air duct, a second sub-air duct and a third sub-air duct, when the wind wheel operates, outdoor air can enter the first sub-air duct from the first air port, indoor air can enter the second sub-air duct from the second air port, and after the outdoor air and the indoor air are mixed in the third sub-air duct, mixed air is obtained, and the mixed air is blown into a room from the third sub-air duct. Under the condition of large indoor and outdoor temperature difference, the local heat of the indoor environment is prevented from being lost rapidly, the energy-saving effect is achieved, the temperature uniformity of the indoor space is improved, and the use experience of a user is improved. Moreover, only one wind wheel is needed to mix indoor air with outdoor air and enter the room, so that the production cost is reduced.

Further, when the air conditioner refrigerates, cold air blows out the back and upwards flows, and cold air blows out the back and downwards flows, promotes the mixed wind effect of air conditioner, promotes indoor temperature's homogeneity, prevents that cold air temperature from causing user's discomfort too low, and then promotes user's use experience.

The above, as well as additional objectives, advantages, and features of the present utility model will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present utility model when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic block diagram of a fresh air module according to one embodiment of the utility model;

fig. 2 is a schematic structural view of an air conditioner according to an embodiment of the present utility model;

FIG. 3 is a schematic illustration of air flow in fresh air mode according to one embodiment of the utility model;

FIG. 4 is a schematic illustration of air flow in a purge mode according to one embodiment of the utility model;

FIG. 5 is a schematic illustration of air flow in fresh air and purge mode according to one embodiment of the utility model;

FIG. 6 is a schematic illustration of air flow in a blowdown mode according to one embodiment of the utility model.

Detailed Description

The fresh air module and the air conditioner according to the embodiment of the present utility model will be described with reference to fig. 1 to 6. In the description of the present embodiment, it should be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature, i.e. one or more such features. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. When a feature "comprises or includes" a feature or some of its coverage, this indicates that other features are not excluded and may further include other features, unless expressly stated otherwise.

Unless specifically stated or limited otherwise, the terms "disposed," "mounted," "connected," "affixed," "coupled," and the like are to be construed broadly and, as they are, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through intermediaries, and in communication between two elements or in interaction with one another, unless otherwise specifically stated. Those of ordinary skill in the art will understand the specific meaning of the terms described above in the present utility model as the case may be.

Furthermore, in the description of the present embodiments, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature therebetween. That is, in the description of the present embodiment, the first feature being "above", "over" and "upper" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature "under", "beneath", or "under" a second feature may be a first feature directly under or diagonally under the second feature, or simply indicate that the first feature is less level than the second feature.

In the description of the present embodiment, a description referring to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Fig. 1 is a schematic structural diagram of a fresh air module according to an embodiment of the present utility model, as shown in fig. 1, and referring to fig. 2 and 6, an embodiment of the present utility model provides a fresh air module 100 including a base 11 and a wind wheel. The base 11 defines a wind wheel accommodating chamber 12, and first and second sub-air ducts 13 and 14 on both sides of the wind wheel accommodating chamber 12 in a first direction, and a third sub-air duct 15 on one side of the wind wheel accommodating chamber 12 in a second direction, respectively. Wherein the first direction and the second direction are perpendicular. The first sub duct 13 is connected to the first tuyere 17 to be configured to communicate with the outdoor space. The second sub-duct 14 is connected to the second tuyere 18 to be configured to communicate with the indoor space. The third sub duct 15 is connected to the third tuyere 19 to be configured to communicate with the indoor space. The wind wheel is arranged in the wind wheel accommodating cavity 12 and is configured to discharge wind from the third sub-air duct 15 at least in case of air intake from the first sub-air duct 13 and the second sub-air duct 14.

When the fresh air module 100 works, the wind wheel rotates, so that outdoor air can enter the first sub-air duct 13 from the first air opening 17, indoor air can enter the second sub-air duct 14 from the second air opening 18, and after the outdoor air and the indoor air are mixed in the third sub-air duct 15, mixed air is obtained, and the mixed air is blown into a room from the third sub-air duct 15. That is, the fresh air module 100 has a function of blowing out the mixed air.

In this embodiment, since the fresh air module 100 includes the first sub-air duct 13, the second sub-air duct 14 and the third sub-air duct 15, the fresh air module 100 can blow out the mixed air of the fresh air and the indoor air under the action of the wind wheel. Under the condition of large indoor and outdoor temperature difference, the local heat of the indoor environment is prevented from being lost rapidly, the energy-saving effect is achieved, the temperature uniformity of the indoor space is improved, and the use experience of a user is improved. Moreover, only one wind wheel is needed to mix indoor air with outdoor air and enter the room, so that the production cost is reduced.

In some embodiments of the utility model, the wind wheel is a wind wheel of a reversible fan, and is further configured to provide air intake from the first sub-duct 13 and air outtake from the third sub-duct 15 in at least one turning condition. In the other turning state, air is taken in from the second sub-air duct 14 or the third sub-air duct 15, and air is taken out from the first sub-air duct 13.

In this embodiment, the rotor may be counter-rotated to change the direction of air flow. As shown in fig. 3, the wind wheel rotates to make outdoor air enter the room from the first sub duct 13. When the air is exhausted from the room, the wind wheel changes the rotation direction, so that the air in the room is exhausted from the second sub-air duct 14 or the third sub-air duct 15. The setting makes fresh air can get into indoor like this, and indoor muddy air can discharge indoor, makes indoor air fresher, prevents that indoor muddy air from producing the influence to the human body, promotes user's use experience.

In some embodiments of the utility model, the rotor is a reversible fan rotor and is further configured to provide air into the first sub-duct 13 and out of the third sub-duct 15 in at least one turning condition, as shown in fig. 3. . In the other turning state, as shown in fig. 6, air is taken in from the second sub-air duct 14 and the third sub-air duct 15, and air is taken out from the first sub-air duct 13.

In the present embodiment, the indoor air flows from the second and third sub-air ducts 14 and 15 simultaneously to the outside, improving the discharge speed of the indoor air, and being able to prevent the incomplete discharge of the indoor air, improving the discharge speed of the indoor air.

In some embodiments of the utility model, the rotor is a reversible fan rotor and is further configured to provide air into the second sub-duct 14 and out of the third sub-duct 15 in at least one turning condition, as shown in fig. 4. In the other turning state, air is taken in from the second sub-air duct 14 or the third sub-air duct 15, and air is taken out from the first sub-air duct 13.

In this embodiment, when heat exchange is performed indoors, indoor air enters the fresh air module 100 from the second air duct and is blown into the room through the third air duct, and the air is mixed with heat exchange air blown into the room, so that the air mixing effect is improved, and discomfort caused by overlarge difference between the heat exchange air and the indoor temperature is prevented.

In some embodiments of the utility model, the rotor is a reversible fan rotor and is further configured to provide air into the second sub-duct 14 and out of the third sub-duct 15 in at least one turning condition, as shown in fig. 4. In the other turning state, as shown in fig. 6, air is taken in from the second sub-air duct 14 and the third sub-air duct 15, and air is taken out from the first sub-air duct 13.

In some embodiments of the present utility model, the wind wheel is a wind wheel of a reversible fan, and is further configured to provide air intake from the first sub-duct 13 and the second sub-duct 14 and air outtake from the third sub-duct 15 in at least one turning state, as shown in fig. 5. In the other turning state, air is taken in from the second sub-air duct 14 or the third sub-air duct 15, and air is taken out from the first sub-air duct 13.

In this embodiment, outdoor air enters the fresh air module 100 through the first sub-air duct 13, indoor air enters the fresh air module 100 through the second sub-air duct 14, and indoor air and outdoor air are mixed in the fresh air module and then enter the room, so that under the condition of large indoor and outdoor temperature difference, the local heat loss of the indoor environment is prevented, the temperature uniformity of the indoor space is improved, and the use experience of a user is improved.

In some embodiments of the present utility model, the wind wheel is a wind wheel of a reversible fan, and is further configured to provide air intake from the first sub-duct 13 and the second sub-duct 14 and air outtake from the third sub-duct 15 in at least one turning state, as shown in fig. 5. In the other turning state, as shown in fig. 6, air is taken in from the second sub-air duct 14 and the third sub-air duct 15, and air is taken out from the first sub-air duct 13.

In some embodiments of the present utility model, a filter assembly 16 is disposed in the first sub-duct 13 to filter air flowing through the first sub-duct 13.

In this embodiment, the filter assembly 16 is disposed in the first sub-air duct 13, and after the outdoor air enters the first sub-air duct 13, the outdoor air is filtered by the filter assembly 16 and then blown into a room, so that the pollutants carried in the outdoor air are prevented from entering the room to affect the human body, and the use experience of the user is improved.

In some embodiments of the present utility model, a filter assembly 16 is disposed in the second sub-stack 14 for filtering air flowing through the second sub-stack 14.

In this embodiment, the filter assembly 16 is disposed in the second sub-air duct 14, after the indoor air enters the second sub-air duct 14, the indoor air is filtered by the filter assembly 16 and is blown into the room again, so as to purify the indoor air, prevent the bacteria breeding caused by indoor ventilation from affecting the physical health of the user, and promote the use experience of the user.

In some embodiments of the present utility model, as shown in fig. 1 and 2, a filter assembly 16 is disposed in the first and second sub-air ducts 13 and 14 to filter air flowing through the first and second sub-air ducts 13 and 14.

In this embodiment, the filter assemblies 16 are installed in the first sub-air duct 13 and the second sub-air duct 14, so as to filter and purify the outdoor air and the indoor air, improve the quality of the indoor air, and further improve the use experience of the user.

In some embodiments of the present utility model, as shown in fig. 3-6, the modes of operation of the fresh air module 100 include a fresh air mode, a purge mode, a fresh air and purge mode, and a blowdown mode. The direction of the arrow in the figure is the direction of air flow.

As shown in fig. 3, in the fresh air mode, the air door mechanism of the first air port 17 is opened, the air door mechanism of the second air port 18 is closed, and the outdoor air passes through the first air port 17, is filtered and purified by the filter assembly 16, and then enters the first sub-air duct 13. The wind wheel rotates to send the filtered and purified outdoor air into the third sub-air duct 15, and the air is blown into a room through the third air port 19. Fresh air enters the room, so that the indoor air quality is improved, and the use experience of a user is improved.

As shown in fig. 4, when the indoor and outdoor temperature difference is large, the outdoor air enters the room to affect the room temperature, but the indoor turbid air needs to be filtered, the indoor air needs to be filtered and purified, and the fresh air module 100 operates in the purifying mode. The air door mechanism of the second air port 18 is opened, the air door mechanism of the first air port 17 is closed, and indoor air passes through the second air port 18, is filtered and purified by the filtering component 16, and then enters the second sub-air duct 14. The wind wheel rotates, sends the indoor air after filtering and purifying into the third sub-air duct 15, blows in indoor through the third wind gap 19, accomplishes the purification to indoor air, promotes indoor air quality, promotes user's use experience.

As shown in fig. 5, the fresh air module 100 operates in fresh air and clean mode when the indoor and outdoor temperature differences are not large and the air needs to be filtered at the same time. The air door mechanism of the first air port 17 and the air door mechanism of the second air port 18 are opened, so that the outdoor air passes through the first air port 17, is filtered and purified by the filtering component 16, and enters the first sub-air duct 13. The indoor air passes through the second air port 18, is filtered and purified by the filter assembly 16, and enters the second sub-air duct 14. The wind wheel rotates, sends the outdoor air and the indoor air after filtering and purifying into the third sub-air duct 15, blows into the room through the third air port 19, improves indoor air quality, and improves user experience.

As shown in fig. 6, when the indoor air is dirty and the indoor air needs to be exhausted, the fresh air module 100 operates in a blowdown mode. The wind wheel is reversed by opening the damper mechanism of the first tuyere 17 and the damper mechanism of the second tuyere 18. Indoor air enters the second sub-air duct 14 and the third sub-air duct 15 through the second air opening 18 and the third air opening 19, and is discharged out of the room through the first sub-air duct 13 under the negative pressure of the wind wheel. Purifying makes indoor environment, promotes indoor air quality, promotes user's use experience.

In some embodiments of the utility model, the wind wheel is a centrifugal wind wheel. The centrifugal wind wheel has better ventilation effect and better ventilation and air supply effects. In addition, the operation is stable and efficient.

In some embodiments of the utility model, the wind wheel is an diagonal flow wind wheel.

In some embodiments of the present utility model, a damper mechanism is disposed on the first tuyere 17 to control the opening and closing of the first tuyere 17.

In this embodiment, a damper mechanism is provided on the first tuyere 17. When the damper mechanism is opened, the outdoor air can enter the room through the first air port 17, or the indoor air can be discharged out of the room through the first air port 17.

In some embodiments of the present utility model, a damper mechanism is disposed on the second tuyere 18 for controlling the opening and closing of the second tuyere 18.

In this embodiment, a damper mechanism is provided on the second tuyere 18. When the air door mechanism is opened, indoor air can circulate through the second air port 18, and indoor air is filtered and purified, so that the quality of indoor air is improved, and the use experience of a user is improved.

In some embodiments of the present utility model, a damper mechanism is provided on the first tuyere 17 and the second tuyere 18 for controlling the opening and closing of the first tuyere 17 and the second tuyere 18.

In this embodiment, the air door mechanisms are disposed on the first air port 17 and the second air port 18, so that the first air port 17 and the second air port 18 can be controlled to be used independently or simultaneously, diversity of air outlet is increased, and use effect of a user is improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the third sub-stack 15 includes a first stack section 151, a second stack section 152, and a third stack section 153. The first air duct section 151 is connected to the rotor accommodating chamber 12 and is located at one side of the rotor accommodating chamber 12 in the second direction. The second air duct section 152 is connected to an end of the first air duct section 151 remote from the wind wheel accommodating chamber 12 and is located at one side of the first air duct section 151 in the first direction. The third air duct section 153 is connected to an end of the first air duct section 151 remote from the wind wheel accommodating chamber 12 and is located at the other side of the first air duct section 151 in the first direction. And, the first air duct section 151, the second air duct section 152, and the third air duct section 153 define a T-shaped air duct structure.

In the present embodiment, the third sub duct 15 includes a first duct section 151, a second duct section 152, and a third duct section 153, and the second duct section 152 and the third duct section 153 are located on both sides of the first duct section 151. When the air is blown indoors, the air can be blown indoors through the second air channel section 152 and the third air channel section 153, namely, two third air inlets 19 are arranged, and the blowing directions of the two third air inlets 19 are different, so that the effect that fresh air enters indoors or indoor air is purified is improved. When the air is discharged outdoors, the air discharge effect is improved.

In some embodiments of the present utility model, as shown in fig. 1 and 2, an air guide protrusion 21 protruding toward the first air duct section 151 is formed on a side air duct wall of the junction of the second air duct section 152 and the third air duct section 153, away from the first air duct section 151, so as to promote a part of the air flow discharged from the first air duct section 151 to enter the second air duct section 152 and the other part to enter the third air duct section 153.

In this embodiment, the air flows upward after entering the first air duct section 151, and flows along the walls of the second air duct section 152 and the third air duct section 153 toward the third air port 19 under the action of the air guide protrusions 21, so that the fresh air flows more easily to the air ducts on both sides.

In some embodiments of the utility model, both the second air duct section 152 and the third air duct section 153 extend in a first direction. The second duct segment 152 is formed at least at a position where it contacts the air guide protrusion 21, and is a variable diameter segment in which the duct cross-sectional area gradually increases in the first direction in a direction away from the air guide protrusion 21.

In some embodiments of the utility model, both the second air duct section 152 and the third air duct section 153 extend in a first direction. The third duct segment 153 is formed at least at a position where it contacts the air guide protrusion 21, and has a variable diameter section in which the duct cross-sectional area gradually increases in the first direction in a direction away from the air guide protrusion 21.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the second duct section 152 and the third duct section 153 each extend in a first direction. The second duct section 152 and the third duct section 153 are formed at least at positions where they meet the air guide protrusions 21, and the duct cross-sectional area is a variable diameter section that gradually increases in the first direction in a direction away from the air guide protrusions 21.

In this embodiment, the second air duct section 152 and the third air duct section 153 are connected together, and the cross-sectional area of the connected air duct gradually decreases from two ends to the middle, which helps to increase the wind pressure at the inlet of the first air duct section 151. In addition, the air duct with the gradually-widened structure is beneficial to the air to be directly blown out along the pipe wall, so that the outside air can be prevented from blocking the air flow, and the stable output of the wind wheel is ensured.

In some embodiments of the utility model, the first direction is a front-to-back direction and the second direction is a vertical direction. And, the third sub duct 15 is located at the upper side of the wind wheel accommodating chamber 12.

The utility model also provides an air conditioner 200, as shown in fig. 2, comprising a casing and a fresh air module 100. The casing defines a heat exchange air duct to exchange heat air in the indoor space. The fresh air module 100 is, as in any one of the above embodiments, the fresh air module 100 is connected or integrally disposed on the casing, and the fresh air module 100 is disposed or connected with the heat exchange air duct relatively independently.

In this embodiment, the heat exchange air duct is located above the non-heat exchange air, and the heat exchange air duct is connected to the heat exchange air outlet 22. The heat exchange air is blown into the room from the heat exchange air outlet 22 through the heat exchange air duct, and the non-heat exchange air is blown into the room through the third air port 19. When the air conditioner 200 refrigerates, cold air blows out and then flows upwards, and cold air blows out and then flows downwards, so that the air mixing effect of the air conditioner 200 is improved, the uniformity of indoor temperature is improved, discomfort of a user caused by excessively low cold air temperature is prevented, and the use experience of the user is further improved.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been shown and described herein in detail, many other variations or modifications of the utility model consistent with the principles of the utility model may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the utility model. Accordingly, the scope of the present utility model should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A fresh air module, comprising:

The wind wheel device comprises a base, a wind wheel accommodating cavity, a first sub-air duct, a second sub-air duct and a third sub-air duct, wherein the first sub-air duct and the second sub-air duct are respectively arranged on two sides of the wind wheel accommodating cavity in a first direction, and the third sub-air duct is arranged on one side of the wind wheel accommodating cavity in a second direction;

The wind wheel is arranged in the wind wheel accommodating cavity and is at least configured to discharge air from the third sub-air duct under the condition of air inlet from the first sub-air duct and the second sub-air duct.

2. The fresh air module according to claim 1, wherein,

The wind wheel is a wind wheel of a reversible fan and is also at least configured to intake air from the first sub-air duct and/or the second sub-air duct in one turning state, and intake air from the second sub-air duct and/or the third sub-air duct and exhaust air from the first sub-air duct in the other turning state.

3. The fresh air module according to claim 1, wherein,

And a filter assembly is arranged in the first sub-air duct and/or the second sub-air duct and is used for filtering air flowing through the first sub-air duct and/or the second sub-air duct.

4. The fresh air module according to claim 1, wherein,

The wind wheel is a centrifugal wind wheel or an inclined flow wind wheel.

5. The fresh air module according to claim 1, wherein,

And the first air port and/or the second air port are/is provided with an air door mechanism for controlling the opening and closing of the first air port and/or the second air port.

6. The fresh air module according to claim 1, wherein,

The third sub-duct includes:

The first air duct section is connected with the wind wheel accommodating cavity and is positioned at one side of the wind wheel accommodating cavity in the second direction;

The second air duct section is connected to one end of the first air duct section far away from the wind wheel accommodating cavity and is positioned on one side of the first air duct section in the first direction;

A third air duct section connected to one end of the first air duct section away from the wind wheel accommodating chamber and located on the other side of the first air duct section in the first direction, and

The first air duct section, the second air duct section, and the third air duct section define a T-shaped air duct structure.

7. The fresh air module according to claim 6, wherein,

And a wind guide protrusion protruding towards the first air duct section is formed on the air duct wall at the connecting part of the second air duct section and the third air duct section at the side far away from the first air duct section, so that one part of the airflow discharged from the first air duct section is forced to enter the second air duct section, and the other part of the airflow enters the third air duct section.

8. The fresh air module according to claim 7, wherein,

The second air duct section and the third air duct section both extend along the first direction, and

The second air duct section and/or the third air duct section are/is formed at least at the position connected with the air guide protrusion, and the air duct section area is a reducing section which gradually increases along the direction away from the air guide protrusion in the first direction.

9. The fresh air module according to claim 1, wherein,

The first direction being a front-to-back direction and the second direction being a vertical direction, and

The third sub-air duct is positioned on the upper side of the wind wheel accommodating cavity.

10. An air conditioner, comprising:

A housing defining a heat exchange air duct to exchange heat of air in the indoor space;

The fresh air module according to any one of claims 1 to 9, being connected or integrally provided to the housing and being arranged or connected independently of the heat exchange duct.